@page "/management-cockpit"
@rendermode @(Microsoft.AspNetCore.Components.Web.RenderMode.InteractiveServer)
@using System.Globalization
@using Microsoft.AspNetCore.Components
@using Microsoft.JSInterop
@using TrafagSalesExporter.Models
@using TrafagSalesExporter.Services
@inject IManagementCockpitPageService CockpitPageService
@inject ISnackbar Snackbar
@inject IUiTextService UiText
@inject IJSRuntime JsRuntime

<PageTitle>@T("Management Analyse", "Management analysis")</PageTitle>

<MudText Typo="Typo.h4" Class="mb-4">@T("Management Analyse", "Management analysis")</MudText>

<MudPaper Class="pa-4 mb-4" Elevation="1">
    <MudGrid>
        <MudItem xs="12" md="3">
            <MudSelect T="int" @bind-Value="_selectedFinanceYear" Label="@T("Finance-Jahr", "Finance year")" Dense>
                @foreach (var year in _financeYearOptions)
                {
                    <MudSelectItem Value="@year">@year</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12" md="3">
            <MudSelect T="string" @bind-Value="_selectedFinanceCountryKey" Label="@T("Land", "Country")" Dense Clearable>
                @foreach (var option in _financeCountryOptions)
                {
                    <MudSelectItem Value="@option">@option</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12" md="3">
            <MudSelect T="string" @bind-Value="_selectedFinanceCurrency" Label="@T("Waehrung", "Currency")" Dense Clearable>
                @foreach (var option in _financeCurrencyOptions)
                {
                    <MudSelectItem Value="@option">@option</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12" md="3">
            <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="AnalyzeFinanceSummary"
                       StartIcon="@Icons.Material.Filled.FactCheck" Disabled="_analyzingFinance" FullWidth>
                @(_analyzingFinance ? T("Lade...", "Loading...") : T("Finance Summary laden", "Load finance summary"))
            </MudButton>
        </MudItem>
    </MudGrid>
</MudPaper>

@if (_financeResult is not null)
{
    <MudTabs Elevation="1" Rounded="false" PanelClass="pt-4" @bind-ActivePanelIndex="_activeOverviewTabIndex">
        <MudTabPanel Text="@T("Schnelluebersicht", "Quick overview")" Icon="@Icons.Material.Filled.Speed">
            <MudGrid Class="mb-4">
                <MudItem xs="12" sm="6" md="3">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Net Sales Actual", "Net sales actual")</MudText>
                        <MudText Typo="Typo.h5">@FormatValue(_financeResult.NetSalesActual, _financeResult.DisplayCurrency)</MudText>
                        <MudText Typo="Typo.body2">@($"{_financeResult.Filter.Year}")</MudText>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" sm="6" md="3">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Laender OK", "Countries OK")</MudText>
                        <MudText Typo="Typo.h5">@_financeResult.CountryRows.Count(row => row.Status == "OK").ToString("N0")</MudText>
                        <MudText Typo="Typo.body2">@T("Soll/Ist ohne Abweichung", "Actual/reference without deviation")</MudText>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" sm="6" md="3">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Zu pruefen", "To check")</MudText>
                        <MudText Typo="Typo.h5">@_financeResult.CountryRows.Count(row => row.Status == "Pruefen").ToString("N0")</MudText>
                        <MudText Typo="Typo.body2">@T("Abweichung oder offene Regel", "Deviation or open rule")</MudText>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" sm="6" md="3">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Datenstandorte", "Data sites")</MudText>
                        <MudText Typo="Typo.h5">@_financeResult.DataStatusRows.Count(row => row.IsActive).ToString("N0")</MudText>
                        <MudText Typo="Typo.body2">@T("aktive Quellen", "active sources")</MudText>
                    </MudPaper>
                </MudItem>
            </MudGrid>

            <MudTabs Elevation="0" Rounded="false" PanelClass="pt-4">
                <MudTabPanel Text="@T("Freigabe", "Approval")" Icon="@Icons.Material.Filled.FactCheck">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.h6" Class="mb-2">@T("Finance-Freigabe je Land", "Finance approval by country")</MudText>
                        <MudTable Items="_financeResult.CountryRows" Dense Hover Striped>
                            <HeaderContent>
                                <MudTh>@T("Status", "Status")</MudTh>
                                <MudTh>@T("Land", "Country")</MudTh>
                                <MudTh>@T("Ist", "Actual")</MudTh>
                                <MudTh>@T("Soll", "Reference")</MudTh>
                                <MudTh>@T("Differenz", "Difference")</MudTh>
                                <MudTh>@T("Datenstand", "Data status")</MudTh>
                                <MudTh>@T("Hinweis", "Note")</MudTh>
                            </HeaderContent>
                            <RowTemplate>
                                <MudTd><MudChip T="string" Size="Size.Small" Color="@StatusColor(context.Status)" Variant="Variant.Filled">@context.Status</MudChip></MudTd>
                                <MudTd>@FormatCountryWithFlag(context.CountryKey)</MudTd>
                                <MudTd>@FormatValue(context.NetSalesActual, context.Currency)</MudTd>
                                <MudTd>@FormatNullableValue(context.ReferenceValue, context.Currency)</MudTd>
                                <MudTd>@FormatNullableValue(context.Difference, context.Currency)</MudTd>
                                <MudTd>@BuildDataStatusText(context)</MudTd>
                                <MudTd>@BuildQuickFinanceNote(context)</MudTd>
                            </RowTemplate>
                        </MudTable>
                    </MudPaper>
                </MudTabPanel>
                <MudTabPanel Text="@T("Datenstand", "Data status")" Icon="@Icons.Material.Filled.Storage">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.h6" Class="mb-2">@T("Letzter Datenstand je Standort", "Latest data status by site")</MudText>
                        <MudTable Items="_financeResult.DataStatusRows" Dense Hover Striped>
                            <HeaderContent>
                                <MudTh>@T("Aktiv", "Active")</MudTh>
                                <MudTh>@T("Land", "Country")</MudTh>
                                <MudTh>TSC</MudTh>
                                <MudTh>@T("Quelle", "Source")</MudTh>
                                <MudTh>@T("Zentrale Zeilen", "Central rows")</MudTh>
                                <MudTh>@T("Letzter Export", "Latest export")</MudTh>
                                <MudTh>@T("Status", "Status")</MudTh>
                                <MudTh>@T("Manual Import", "Manual import")</MudTh>
                            </HeaderContent>
                            <RowTemplate>
                                <MudTd>
                                    <MudIcon Icon="@(context.IsActive ? Icons.Material.Filled.CheckCircle : Icons.Material.Filled.Cancel)"
                                             Color="@(context.IsActive ? Color.Success : Color.Default)" Size="Size.Small" />
                                </MudTd>
                                <MudTd>@context.Land</MudTd>
                                <MudTd>@context.Tsc</MudTd>
                                <MudTd>@context.SourceSystem</MudTd>
                                <MudTd>@context.RowCount.ToString("N0")</MudTd>
                                <MudTd>@FormatDateTime(context.LatestExportAt)</MudTd>
                                <MudTd>@(string.IsNullOrWhiteSpace(context.LatestExportStatus) ? "-" : context.LatestExportStatus)</MudTd>
                                <MudTd>@FormatManualImportStatus(context)</MudTd>
                            </RowTemplate>
                        </MudTable>
                    </MudPaper>
                </MudTabPanel>
                <MudTabPanel Text="@T("Sparten", "Divisions")" Icon="@Icons.Material.Filled.AccountTree">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.h6" Class="mb-2">@T("Sparten-Abdeckung nach Land", "Division coverage by country")</MudText>
                        <MudTable Items="_financeResult.ProductFinanceCountryRows" Dense Hover Striped>
                            <HeaderContent>
                                <MudTh>@T("Land", "Country")</MudTh>
                                <MudTh>TSC</MudTh>
                                <MudTh>@T("Gesamtumsatz", "Total sales")</MudTh>
                                <MudTh>@T("Zugeordnet", "Assigned")</MudTh>
                                <MudTh>@T("Nicht im Stamm", "Not in master")</MudTh>
                                <MudTh>@T("Abdeckung", "Coverage")</MudTh>
                            </HeaderContent>
                            <RowTemplate>
                                <MudTd>@FormatCountryWithFlag(context.CountryKey)</MudTd>
                                <MudTd>@context.Tsc</MudTd>
                                <MudTd>@FormatValue(context.TotalValue, context.Currency)</MudTd>
                                <MudTd>@FormatValue(context.AssignedValue, context.Currency)</MudTd>
                                <MudTd>@FormatValue(context.MissingReferenceValue, context.Currency)</MudTd>
                                <MudTd>@FormatPercent(context.AssignedValuePercent)</MudTd>
                            </RowTemplate>
                        </MudTable>
                    </MudPaper>
                </MudTabPanel>
            </MudTabs>
        </MudTabPanel>

        <MudTabPanel Text="@T("Experten", "Experts")" Icon="@Icons.Material.Filled.Tune">
    <MudTabs Elevation="0" Rounded="false" PanelClass="pt-4" @bind-ActivePanelIndex="_activeFinanceTabIndex">
        <MudTabPanel Text="@T("Finance Summary", "Finance summary")" Icon="@Icons.Material.Filled.Dashboard">
            <MudGrid Class="mb-4">
                <MudItem xs="12" sm="6" md="3">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Net Sales Actual", "Net sales actual")</MudText>
                        <MudText Typo="Typo.h5">@FormatValue(_financeResult.NetSalesActual, _financeResult.DisplayCurrency)</MudText>
                        <MudText Typo="Typo.body2">@T("gefiltertes Endergebnis", "filtered final result")</MudText>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" sm="6" md="3">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Enthaltene Zeilen", "Included rows")</MudText>
                        <MudText Typo="Typo.h5">@_financeResult.IncludedRows.ToString("N0")</MudText>
                        <MudText Typo="Typo.body2">@T("Finance Include = TRUE", "Finance Include = TRUE")</MudText>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" sm="6" md="3">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Ausgeschlossen", "Excluded")</MudText>
                        <MudText Typo="Typo.h5">@_financeResult.ExcludedRows.ToString("N0")</MudText>
                        <MudText Typo="Typo.body2">@T("Finance-Regeln", "Finance rules")</MudText>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" sm="6" md="3">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Laender / Waehrungen", "Countries / currencies")</MudText>
                        <MudText Typo="Typo.h5">@($"{_financeResult.CountryCount:N0} / {_financeResult.CurrencyCount:N0}")</MudText>
                        <MudText Typo="Typo.body2">@($"{_financeResult.Filter.Year}")</MudText>
                    </MudPaper>
                </MudItem>
            </MudGrid>

            <MudGrid Class="mb-4">
                <MudItem xs="12" md="8">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.h6" Class="mb-2">@T("Summen wie im Excel-Blatt Finance Summary", "Totals matching the Finance Summary Excel sheet")</MudText>
                        <MudTable Items="_financeResult.Rows" Dense Hover Striped>
                            <HeaderContent>
                                <MudTh>@T("Jahr", "Year")</MudTh>
                                <MudTh>@T("Land", "Country")</MudTh>
                                <MudTh>@T("Waehrung", "Currency")</MudTh>
                                <MudTh>@T("Net Sales Actual", "Net sales actual")</MudTh>
                                <MudTh>@T("Enthalten", "Included")</MudTh>
                                <MudTh>@T("Ausgeschlossen", "Excluded")</MudTh>
                            </HeaderContent>
                            <RowTemplate>
                                <MudTd>@context.Year</MudTd>
                                <MudTd>@FormatCountryWithFlag(context.CountryKey)</MudTd>
                                <MudTd>@context.Currency</MudTd>
                                <MudTd>@FormatValue(context.NetSalesActual, context.Currency)</MudTd>
                                <MudTd>@context.IncludedRows.ToString("N0")</MudTd>
                                <MudTd>@context.ExcludedRows.ToString("N0")</MudTd>
                            </RowTemplate>
                            <NoRecordsContent>
                                <MudText Typo="Typo.body2">
                                    @T("Keine Finance-Summary-Daten fuer diese Filter.", "No finance summary data for these filters.")
                                </MudText>
                            </NoRecordsContent>
                        </MudTable>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" md="4">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.h6" Class="mb-2">@T("Hinweise", "Notes")</MudText>
                        @foreach (var notice in _financeResult.Notices)
                        {
                            <MudAlert Severity="Severity.Info" Dense Variant="Variant.Outlined" Class="mb-2">@notice</MudAlert>
                        }
                    </MudPaper>
                </MudItem>
            </MudGrid>

            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Jahresvergleich mit aktuellem Filter", "Year comparison with current filter")</MudText>
                <MudTable Items="_financeResult.YearRows" Dense Hover Striped>
                    <HeaderContent>
                        <MudTh>@T("Jahr", "Year")</MudTh>
                        <MudTh>@T("Waehrung", "Currency")</MudTh>
                        <MudTh>@T("Net Sales Actual", "Net sales actual")</MudTh>
                        <MudTh>@T("Enthalten", "Included")</MudTh>
                        <MudTh>@T("Ausgeschlossen", "Excluded")</MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd>@context.Year</MudTd>
                        <MudTd>@context.Currency</MudTd>
                        <MudTd>@FormatValue(context.NetSalesActual, context.Currency)</MudTd>
                        <MudTd>@context.IncludedRows.ToString("N0")</MudTd>
                        <MudTd>@context.ExcludedRows.ToString("N0")</MudTd>
                    </RowTemplate>
                </MudTable>
            </MudPaper>
        </MudTabPanel>
        <MudTabPanel Text="@T("Laender", "Countries")" Icon="@Icons.Material.Filled.Public">
            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Finance-Status nach Land", "Finance status by country")</MudText>
                <MudTable Items="_financeResult.CountryRows" Dense Hover Striped>
                    <HeaderContent>
                        <MudTh>@T("Status", "Status")</MudTh>
                        <MudTh>@T("Land", "Country")</MudTh>
                        <MudTh>TSC</MudTh>
                        <MudTh>@T("Quelle", "Source")</MudTh>
                        <MudTh>@T("Waehrung", "Currency")</MudTh>
                        <MudTh>@T("Ist", "Actual")</MudTh>
                        <MudTh>@T("IC/2nd-party", "IC/2nd-party")</MudTh>
                        <MudTh>@T("Ist ohne IC", "Actual excl. IC")</MudTh>
                        <MudTh>@T("Soll", "Reference")</MudTh>
                        <MudTh>@T("Differenz", "Difference")</MudTh>
                        <MudTh>@T("Zeilen", "Rows")</MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd><MudChip T="string" Size="Size.Small" Color="@StatusColor(context.Status)" Variant="Variant.Outlined">@context.Status</MudChip></MudTd>
                        <MudTd>@FormatCountryWithFlag(context.CountryKey)</MudTd>
                        <MudTd>@context.Tscs</MudTd>
                        <MudTd>@context.SourceSystems</MudTd>
                        <MudTd>@context.Currency</MudTd>
                        <MudTd>@FormatValue(context.NetSalesActual, context.Currency)</MudTd>
                        <MudTd>@FormatValue(context.IntercompanyValue, context.Currency)</MudTd>
                        <MudTd>@FormatValue(context.NetSalesActualExcludingIntercompany, context.Currency)</MudTd>
                        <MudTd>@FormatNullableValue(context.ReferenceValue, context.Currency)</MudTd>
                        <MudTd>@FormatNullableValue(context.Difference, context.Currency)</MudTd>
                        <MudTd>@context.IncludedRows.ToString("N0") / @context.ExcludedRows.ToString("N0")</MudTd>
                    </RowTemplate>
                    <NoRecordsContent>
                        <MudText Typo="Typo.body2">@T("Keine Laenderdaten fuer diese Filter.", "No country data for these filters.")</MudText>
                    </NoRecordsContent>
                </MudTable>
            </MudPaper>
        </MudTabPanel>
        <MudTabPanel Text="@T("Datenstatus", "Data status")" Icon="@Icons.Material.Filled.FactCheck">
            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Datenbestand nach Standort", "Data inventory by site")</MudText>
                <MudTable Items="_financeResult.DataStatusRows" Dense Hover Striped>
                    <HeaderContent>
                        <MudTh>@T("Aktiv", "Active")</MudTh>
                        <MudTh>@T("Land", "Country")</MudTh>
                        <MudTh>TSC</MudTh>
                        <MudTh>@T("Quelle", "Source")</MudTh>
                        <MudTh>@T("Zentrale Zeilen", "Central rows")</MudTh>
                        <MudTh>@T("Letzter Export", "Latest export")</MudTh>
                        <MudTh>@T("Exportstatus", "Export status")</MudTh>
                        <MudTh>@T("Letzte Speicherung", "Latest stored")</MudTh>
                        <MudTh>@T("Manual Import", "Manual import")</MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd>
                            <MudIcon Icon="@(context.IsActive ? Icons.Material.Filled.CheckCircle : Icons.Material.Filled.Cancel)"
                                     Color="@(context.IsActive ? Color.Success : Color.Default)" Size="Size.Small" />
                        </MudTd>
                        <MudTd>@context.Land</MudTd>
                        <MudTd>@context.Tsc</MudTd>
                        <MudTd>@context.SourceSystem</MudTd>
                        <MudTd>@context.RowCount.ToString("N0")</MudTd>
                        <MudTd>@FormatDateTime(context.LatestExportAt)</MudTd>
                        <MudTd>@(string.IsNullOrWhiteSpace(context.LatestExportStatus) ? "-" : context.LatestExportStatus)</MudTd>
                        <MudTd>@FormatDateTime(context.LatestStoredAtUtc)</MudTd>
                        <MudTd>@FormatManualImportStatus(context)</MudTd>
                    </RowTemplate>
                </MudTable>
            </MudPaper>
        </MudTabPanel>
        <MudTabPanel Text="@T("Abweichungen", "Deviations")" Icon="@Icons.Material.Filled.WarningAmber">
            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Soll/Ist-Abweichungen", "Actual/reference deviations")</MudText>
                <MudTable Items="_financeResult.DeviationRows" Dense Hover Striped>
                    <HeaderContent>
                        <MudTh>@T("Status", "Status")</MudTh>
                        <MudTh>@T("Land", "Country")</MudTh>
                        <MudTh>@T("Waehrung", "Currency")</MudTh>
                        <MudTh>@T("Ist", "Actual")</MudTh>
                        <MudTh>@T("Soll", "Reference")</MudTh>
                        <MudTh>@T("Differenz", "Difference")</MudTh>
                        <MudTh>%</MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd><MudChip T="string" Size="Size.Small" Color="@StatusColor(context.Status)" Variant="Variant.Outlined">@context.Status</MudChip></MudTd>
                        <MudTd>@FormatCountryWithFlag(context.CountryKey)</MudTd>
                        <MudTd>@context.Currency</MudTd>
                        <MudTd>@FormatValue(context.NetSalesActual, context.Currency)</MudTd>
                        <MudTd>@FormatNullableValue(context.ReferenceValue, context.Currency)</MudTd>
                        <MudTd>@FormatNullableValue(context.Difference, context.Currency)</MudTd>
                        <MudTd>@FormatPercent(context.DifferencePercent)</MudTd>
                    </RowTemplate>
                    <NoRecordsContent>
                        <MudText Typo="Typo.body2">@T("Keine Sollwerte oder keine Abweichungen fuer diese Filter.", "No reference values or deviations for these filters.")</MudText>
                    </NoRecordsContent>
                </MudTable>
            </MudPaper>
        </MudTabPanel>
        <MudTabPanel Text="@T("Gutschriften", "Credit notes")" Icon="@Icons.Material.Filled.AssignmentReturn">
            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Gutschriften-Kandidaten", "Credit-note candidates")</MudText>
                <MudAlert Severity="Severity.Info" Dense Variant="Variant.Outlined" Class="mb-3">
                    @T("Diese Sicht zeigt technische Kandidaten anhand negativer Werte und erkennbarer Belegtypen/-nummern. Sie ersetzt keine landesspezifische Fachfreigabe.",
                        "This view shows technical candidates based on negative values and recognizable document types/numbers. It does not replace country-specific business approval.")
                </MudAlert>
                <MudTable Items="_financeResult.CreditCandidates" Dense Hover Striped>
                    <HeaderContent>
                        <MudTh>@T("Land", "Country")</MudTh>
                        <MudTh>TSC</MudTh>
                        <MudTh>@T("Rechnung", "Invoice")</MudTh>
                        <MudTh>@T("Typ", "Type")</MudTh>
                        <MudTh>@T("Wert", "Value")</MudTh>
                        <MudTh>@T("Menge", "Quantity")</MudTh>
                        <MudTh>@T("Grund", "Reason")</MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd>@FormatCountryWithFlag(context.CountryKey)</MudTd>
                        <MudTd>@context.Tsc</MudTd>
                        <MudTd>@context.InvoiceNumber</MudTd>
                        <MudTd>@context.DocumentType</MudTd>
                        <MudTd>@FormatValue(context.NetSalesActual, context.Currency)</MudTd>
                        <MudTd>@context.Quantity.ToString("N2")</MudTd>
                        <MudTd>@context.Reason</MudTd>
                    </RowTemplate>
                    <NoRecordsContent>
                        <MudText Typo="Typo.body2">@T("Keine Gutschriften-Kandidaten fuer diese Filter.", "No credit-note candidates for these filters.")</MudText>
                    </NoRecordsContent>
                </MudTable>
            </MudPaper>
        </MudTabPanel>
        <MudTabPanel Text="@T("Datenqualitaet", "Data quality")" Icon="@Icons.Material.Filled.Rule">
            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Pruefpunkte", "Checkpoints")</MudText>
                <MudTable Items="_financeResult.DataQualityRows" Dense Hover Striped>
                    <HeaderContent>
                        <MudTh>@T("Status", "Status")</MudTh>
                        <MudTh>@T("Pruefpunkt", "Checkpoint")</MudTh>
                        <MudTh>@T("Anzahl", "Count")</MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd><MudChip T="string" Size="Size.Small" Color="@SeverityColor(context.Severity)" Variant="Variant.Outlined">@context.Severity</MudChip></MudTd>
                        <MudTd>@context.Issue</MudTd>
                        <MudTd>@context.Count.ToString("N0")</MudTd>
                    </RowTemplate>
                    <NoRecordsContent>
                        <MudText Typo="Typo.body2">@T("Keine Datenqualitaetsauffaelligkeiten fuer diese Filter.", "No data-quality findings for these filters.")</MudText>
                    </NoRecordsContent>
                </MudTable>
            </MudPaper>
        </MudTabPanel>
        <MudTabPanel Text="@T("Spartenanalyse", "Division analysis")" Icon="@Icons.Material.Filled.AccountTree">
            <MudTabs Elevation="0" Rounded="false" PanelClass="pt-4" @bind-ActivePanelIndex="_activeDivisionTabIndex">
                <MudTabPanel Text="@T("Finanzanalyse", "Finance analysis")" Icon="@Icons.Material.Filled.PieChart">
            <MudGrid Class="mb-4">
                <MudItem xs="12" sm="6" md="3">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Gesamtumsatz", "Total sales")</MudText>
                        <MudText Typo="Typo.h6">@FormatValue(_financeResult.ProductFinanceSummary.TotalValue, _financeResult.ProductFinanceSummary.DisplayCurrency)</MudText>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" sm="6" md="3">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Zugeordneter Umsatz", "Assigned sales")</MudText>
                        <MudText Typo="Typo.h6">@FormatValue(_financeResult.ProductFinanceSummary.AssignedValue, _financeResult.ProductFinanceSummary.DisplayCurrency)</MudText>
                        <MudText Typo="Typo.caption">@FormatPercent(_financeResult.ProductFinanceSummary.AssignedValuePercent)</MudText>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" sm="6" md="3">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Nicht zugeordnet", "Unassigned")</MudText>
                        <MudText Typo="Typo.h6">@FormatValue(_financeResult.ProductFinanceSummary.UnassignedValue, _financeResult.ProductFinanceSummary.DisplayCurrency)</MudText>
                        <MudText Typo="Typo.caption">@FormatPercent(_financeResult.ProductFinanceSummary.UnassignedValuePercent)</MudText>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" sm="6" md="3">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Nicht im Stamm", "Not in master")</MudText>
                        <MudText Typo="Typo.h6">@FormatValue(_financeResult.ProductFinanceSummary.MissingReferenceValue, _financeResult.ProductFinanceSummary.DisplayCurrency)</MudText>
                        <MudText Typo="Typo.caption">@FormatPercent(_financeResult.ProductFinanceSummary.MissingReferenceValuePercent)</MudText>
                    </MudPaper>
                </MudItem>
            </MudGrid>

            <MudPaper Class="pa-4 mb-4" Elevation="1">
                <MudGrid Class="mb-2">
                    <MudItem xs="12" md="6">
                        <MudText Typo="Typo.h6">@T("Umsatz nach Produktsparte", "Sales by product division")</MudText>
                    </MudItem>
                    <MudItem xs="12" sm="6" md="3">
                        <MudSelect T="string" @bind-Value="_productFinanceGroupLevel" Label="@T("Gruppierung", "Grouping")" Dense>
                            @foreach (var option in _productFinanceGroupingOptions)
                            {
                                <MudSelectItem Value="@option.Key">@T(option.GermanLabel, option.EnglishLabel)</MudSelectItem>
                            }
                        </MudSelect>
                    </MudItem>
                    <MudItem xs="12" sm="6" md="3">
                        <MudButton Variant="@(_limitProductFinanceTop10 ? Variant.Filled : Variant.Outlined)"
                                   Color="Color.Primary"
                                   StartIcon="@Icons.Material.Filled.FilterAlt"
                                   OnClick="ToggleProductFinanceTop10"
                                   FullWidth>
                            @T("Top 10 anzeigen", "Show top 10")
                        </MudButton>
                    </MudItem>
                </MudGrid>
                <MudTable Items="BuildProductFinanceRows()" Dense Hover Striped>
                    <HeaderContent>
                        <MudTh>@T("Produktsparte", "Product division")</MudTh>
                        @if (ShowProductFamilyColumn)
                        {
                            <MudTh>@T("Produktfamilie", "Product family")</MudTh>
                        }
                        @if (ShowProductHierarchyColumn)
                        {
                            <MudTh>PAPH1</MudTh>
                        }
                        <MudTh>@T("Umsatz", "Sales")</MudTh>
                        <MudTh>@T("Anteil", "Share")</MudTh>
                        <MudTh>@T("Materialien", "Materials")</MudTh>
                        <MudTh>@T("Zeilen", "Rows")</MudTh>
                        <MudTh>@T("Laender", "Countries")</MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd>
                            <MudIcon Icon="@ResolveProductDivisionIcon(context.ProductDivisionCode, context.ProductDivisionText, context.ProductFamilyText, context.ProductHierarchyText)"
                                     Size="Size.Small" Class="mr-1" />
                            @BuildCodeText(context.ProductDivisionCode, context.ProductDivisionText)
                        </MudTd>
                        @if (ShowProductFamilyColumn)
                        {
                            <MudTd>@BuildCodeText(context.ProductFamilyCode, context.ProductFamilyText)</MudTd>
                        }
                        @if (ShowProductHierarchyColumn)
                        {
                            <MudTd>@BuildCodeText(context.ProductHierarchyCode, context.ProductHierarchyText)</MudTd>
                        }
                        <MudTd>@FormatValue(context.NetSalesActual, context.Currency)</MudTd>
                        <MudTd>@FormatPercent(context.SharePercent)</MudTd>
                        <MudTd>@context.MaterialCount.ToString("N0")</MudTd>
                        <MudTd>@context.RowCount.ToString("N0")</MudTd>
                        <MudTd>@FormatCountriesWithFlags(context.Countries)</MudTd>
                    </RowTemplate>
                    <NoRecordsContent>
                        <MudText Typo="Typo.body2">@T("Keine zugeordneten Spartenumsaetze fuer diese Filter.", "No assigned division sales for these filters.")</MudText>
                    </NoRecordsContent>
                </MudTable>
            </MudPaper>

            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Umsatzabdeckung nach Land", "Sales coverage by country")</MudText>
                <MudTable Items="_financeResult.ProductFinanceCountryRows" Dense Hover Striped>
                    <HeaderContent>
                        <MudTh>@T("Land", "Country")</MudTh>
                        <MudTh>TSC</MudTh>
                        <MudTh>@T("Gesamt", "Total")</MudTh>
                        <MudTh>@T("Zugeordnet", "Assigned")</MudTh>
                        <MudTh>@T("Nicht zugeordnet", "Unassigned")</MudTh>
                        <MudTh>@T("Nicht im Stamm", "Not in master")</MudTh>
                        <MudTh>@T("Material fehlt", "Material missing")</MudTh>
                        <MudTh>@T("Abdeckung", "Coverage")</MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd>@FormatCountryWithFlag(context.CountryKey)</MudTd>
                        <MudTd>@context.Tsc</MudTd>
                        <MudTd>@FormatValue(context.TotalValue, context.Currency)</MudTd>
                        <MudTd>@FormatValue(context.AssignedValue, context.Currency)</MudTd>
                        <MudTd>@FormatValue(context.UnassignedValue, context.Currency)</MudTd>
                        <MudTd>@FormatValue(context.MissingReferenceValue, context.Currency)</MudTd>
                        <MudTd>@FormatValue(context.MissingMaterialValue, context.Currency)</MudTd>
                        <MudTd>@FormatPercent(context.AssignedValuePercent)</MudTd>
                    </RowTemplate>
                    <NoRecordsContent>
                        <MudText Typo="Typo.body2">@T("Keine Umsatzabdeckung fuer diese Filter.", "No sales coverage for these filters.")</MudText>
                    </NoRecordsContent>
                </MudTable>
            </MudPaper>
                </MudTabPanel>
                <MudTabPanel Text="@T("Zentrale Zuordnung", "Central mapping")" Icon="@Icons.Material.Filled.AccountTree">
            <MudGrid Class="mb-4">
                <MudItem xs="12" sm="6" md="2">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Materialien", "Materials")</MudText>
                        <MudText Typo="Typo.h6">@_financeResult.ProductAssignmentSummary.DistinctMaterialCount.ToString("N0")</MudText>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" sm="6" md="2">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Zugeordnet", "Assigned")</MudText>
                        <MudText Typo="Typo.h6">@_financeResult.ProductAssignmentSummary.MatchedMaterialCount.ToString("N0")</MudText>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" sm="6" md="2">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Nicht zugeordnet", "Unassigned")</MudText>
                        <MudText Typo="Typo.h6">@_financeResult.ProductAssignmentSummary.UnassignedMaterialCount.ToString("N0")</MudText>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" sm="6" md="2">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Nicht im Stamm", "Not in master")</MudText>
                        <MudText Typo="Typo.h6">@_financeResult.ProductAssignmentSummary.MissingReferenceMaterialCount.ToString("N0")</MudText>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" sm="6" md="2">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("Material fehlt", "Material missing")</MudText>
                        <MudText Typo="Typo.h6">@_financeResult.ProductAssignmentSummary.MissingMaterialNumberCount.ToString("N0")</MudText>
                    </MudPaper>
                </MudItem>
                <MudItem xs="12" sm="6" md="2">
                    <MudPaper Class="pa-4" Elevation="1">
                        <MudText Typo="Typo.caption">@T("TR-AG Referenz", "TR AG reference")</MudText>
                        <MudText Typo="Typo.h6">@_financeResult.ProductAssignmentSummary.ReferenceMaterialCount.ToString("N0")</MudText>
                    </MudPaper>
                </MudItem>
            </MudGrid>

            <MudAlert Severity="Severity.Info" Dense Variant="Variant.Outlined" Class="mb-4">
                @T("Diese Sicht prueft Materialnummern aller gefilterten Laender gegen die fuehrende TR-AG-Referenz aus `ProductDivisionRefSet`. Die Produktsparten der lokalen ERPs werden nicht verwendet.",
                    "This view checks material numbers from all filtered countries against the leading TR AG reference from `ProductDivisionRefSet`. Local ERP product divisions are not used.")
            </MudAlert>

            <MudPaper Class="pa-4 mb-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Abdeckung nach Land", "Coverage by country")</MudText>
                <MudTable Items="_financeResult.ProductAssignmentCountryRows" Dense Hover Striped>
                    <HeaderContent>
                        <MudTh>@T("Land", "Country")</MudTh>
                        <MudTh>TSC</MudTh>
                        <MudTh>@T("Materialien", "Materials")</MudTh>
                        <MudTh>@T("Zugeordnet", "Assigned")</MudTh>
                        <MudTh>@T("Nicht zugeordnet", "Unassigned")</MudTh>
                        <MudTh>@T("Nicht im Stamm", "Not in master")</MudTh>
                        <MudTh>@T("Material fehlt", "Material missing")</MudTh>
                        <MudTh>@T("Trefferquote", "Match rate")</MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd>@FormatCountryWithFlag(context.CountryKey)</MudTd>
                        <MudTd>@context.Tsc</MudTd>
                        <MudTd>@context.DistinctMaterialCount.ToString("N0")</MudTd>
                        <MudTd>@context.MatchedMaterialCount.ToString("N0")</MudTd>
                        <MudTd>@context.UnassignedMaterialCount.ToString("N0")</MudTd>
                        <MudTd>@context.MissingReferenceMaterialCount.ToString("N0")</MudTd>
                        <MudTd>@context.MissingMaterialNumberCount.ToString("N0")</MudTd>
                        <MudTd>@FormatPercent(context.MatchPercent)</MudTd>
                    </RowTemplate>
                    <NoRecordsContent>
                        <MudText Typo="Typo.body2">@T("Keine Materialdaten fuer diese Filter.", "No material data for these filters.")</MudText>
                    </NoRecordsContent>
                </MudTable>
            </MudPaper>

            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Materialpruefung gegen TR-AG-Referenz", "Material check against TR AG reference")</MudText>
                <MudTable Items="_financeResult.ProductAssignmentRows" Dense Hover Striped>
                    <HeaderContent>
                        <MudTh>@T("Status", "Status")</MudTh>
                        <MudTh>@T("Land", "Country")</MudTh>
                        <MudTh>TSC</MudTh>
                        <MudTh>@T("Land-Material", "Local material")</MudTh>
                        <MudTh>@T("Land-Text", "Local text")</MudTh>
                        <MudTh>@T("TR-AG-MATNR", "TR AG MATNR")</MudTh>
                        <MudTh>PAPH1</MudTh>
                        <MudTh>@T("Produktfamilie", "Product family")</MudTh>
                        <MudTh>@T("Produktsparte", "Product division")</MudTh>
                        <MudTh>@T("Zeilen", "Rows")</MudTh>
                        <MudTh>@T("Finance-Wert", "Finance value")</MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd><MudChip T="string" Size="Size.Small" Color="@ProductAssignmentColor(context.Status)" Variant="Variant.Outlined">@context.Status</MudChip></MudTd>
                        <MudTd>@FormatCountryWithFlag(context.CountryKey)</MudTd>
                        <MudTd>@context.Tsc</MudTd>
                        <MudTd>@context.Material</MudTd>
                        <MudTd>@context.ArticleName</MudTd>
                        <MudTd>@context.ReferenceMaterial</MudTd>
                        <MudTd>@BuildCodeText(context.ProductHierarchyCode, context.ProductHierarchyText)</MudTd>
                        <MudTd>@BuildCodeText(context.ProductFamilyCode, context.ProductFamilyText)</MudTd>
                        <MudTd>
                            <MudIcon Icon="@ResolveProductDivisionIcon(context.ProductDivisionCode, context.ProductDivisionText, context.ProductFamilyText, context.ProductHierarchyText)"
                                     Size="Size.Small" Class="mr-1" />
                            @BuildCodeText(context.ProductDivisionCode, context.ProductDivisionText)
                        </MudTd>
                        <MudTd>@context.RowCount.ToString("N0")</MudTd>
                        <MudTd>@FormatValue(context.NetSalesActual, context.Currency)</MudTd>
                    </RowTemplate>
                    <NoRecordsContent>
                        <MudText Typo="Typo.body2">@T("Keine Materialpruefung fuer diese Filter.", "No material check for these filters.")</MudText>
                    </NoRecordsContent>
                </MudTable>
            </MudPaper>
                </MudTabPanel>
            </MudTabs>
        </MudTabPanel>
        <MudTabPanel Text="@T("3D Datenanalyse", "3D data analysis")" Icon="@Icons.Material.Filled.ViewInAr">
            <MudPaper Class="pa-4 mb-4" Elevation="1">
                <MudGrid>
                    <MudItem xs="12" md="3">
                        <MudSelect T="string" Value="_finance3dIndicator" ValueChanged="SetFinance3dIndicator" Label="@T("Indikator", "Indicator")" Dense>
                            @foreach (var option in _finance3dIndicatorOptions)
                            {
                                <MudSelectItem Value="@option.Key">@T(option.GermanLabel, option.EnglishLabel)</MudSelectItem>
                            }
                        </MudSelect>
                    </MudItem>
                    <MudItem xs="12" md="2">
                        <MudSelect T="string" Value="_finance3dChartType" ValueChanged="SetFinance3dChartType" Label="@T("Grafik", "Chart")" Dense>
                            @foreach (var option in _finance3dChartTypeOptions)
                            {
                                <MudSelectItem Value="@option.Key">@T(option.GermanLabel, option.EnglishLabel)</MudSelectItem>
                            }
                        </MudSelect>
                    </MudItem>
                    <MudItem xs="12" md="4">
                        <MudText Typo="Typo.caption">@T("Szenario-Faktor / Wechselkurs", "Scenario factor / exchange rate")</MudText>
                        <div class="finance-3d-range-row">
                            <MudButton Variant="Variant.Outlined" Size="Size.Small" OnClick="@(() => SetFinance3dScenarioFactorPreset(0.9d))">-10%</MudButton>
                            <input class="finance-3d-range"
                                   type="range"
                                   min="0.5"
                                   max="1.5"
                                   step="0.01"
                                   value="@_finance3dScenarioFactor.ToString("0.00", CultureInfo.InvariantCulture)"
                                   @oninput="SetFinance3dScenarioFactor" />
                            <MudText Typo="Typo.body2" Class="finance-3d-factor">@_finance3dScenarioFactor.ToString("0.00", CultureInfo.InvariantCulture)x</MudText>
                            <MudIconButton Icon="@Icons.Material.Filled.RestartAlt"
                                           Size="Size.Small"
                                           Color="Color.Default"
                                           OnClick="ResetFinance3dScenarioFactor" />
                            <MudButton Variant="Variant.Outlined" Size="Size.Small" OnClick="@(() => SetFinance3dScenarioFactorPreset(1.1d))">+10%</MudButton>
                        </div>
                        @if (Finance3dScenarioAffectsValue)
                        {
                            <MudText Typo="Typo.caption">
                                @T("Basis", "Base"): @FormatFinance3dValue(Finance3dBaseTotal) |
                                @T("Szenario", "Scenario"): @FormatFinance3dValue(Finance3dScenarioTotal) |
                                @T("Delta", "Delta"): @FormatFinance3dValue(Finance3dScenarioDelta)
                            </MudText>
                        }
                        else
                        {
                            <MudText Typo="Typo.caption">
                                @T("Der Faktor wirkt nur auf Wertindikatoren, nicht auf Zeilenanzahlen.",
                                    "The factor only affects value indicators, not row counts.")
                            </MudText>
                        }
                    </MudItem>
                    <MudItem xs="12" md="2">
                        <MudText Typo="Typo.caption">@T("Beschriftung", "Labels")</MudText>
                        <div class="finance-3d-range-row">
                            <input class="finance-3d-range"
                                   type="range"
                                   min="0.8"
                                   max="2.5"
                                   step="0.1"
                                   value="@_finance3dLabelScale.ToString("0.0", CultureInfo.InvariantCulture)"
                                   @oninput="SetFinance3dLabelScale" />
                            <MudText Typo="Typo.body2" Class="finance-3d-factor">@_finance3dLabelScale.ToString("0.0", CultureInfo.InvariantCulture)x</MudText>
                        </div>
                    </MudItem>
                    <MudItem xs="12" md="1">
                        <MudText Typo="Typo.body2">
                            @T("Linke Maustaste drehen, Mausrad zoomen, Shift+Ziehen oder rechte Maustaste verschieben. Balken/Linie/Flaeche zeigen Land-Jahr-Verlauf, Kreis zeigt Laenderanteile.",
                                "Left mouse button rotates, mouse wheel zooms, Shift+drag or right mouse button pans. Bar/line/surface show country-year trend, pie shows country shares.")
                        </MudText>
                    </MudItem>
                </MudGrid>
            </MudPaper>

            <MudPaper Class="pa-0 finance-3d-surface" Elevation="1" Style="width:100%;height:calc(100vh - 260px);min-height:680px;overflow:hidden;background:#f7f9fb;">
                <canvas @ref="_finance3dCanvas" class="finance-3d-canvas" style="display:block;width:100%;height:100%;touch-action:none;"></canvas>
            </MudPaper>
        </MudTabPanel>
        <MudTabPanel Text="@T("Rohdaten Diagnose", "Raw-data diagnostics")" Icon="@Icons.Material.Filled.QueryStats">

<MudPaper Class="pa-4 mb-4" Elevation="1">
    <MudGrid>
        <MudItem xs="12" md="6">
            <MudSelect T="string" @bind-Value="_selectedFilePath" Label="@T("Vorhandene Excel-Datei", "Available Excel file")" Dense>
                @foreach (var file in _files)
                {
                    <MudSelectItem Value="@file.Path">@file.DisplayName</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12" md="3">
            <MudSelect T="string" @bind-Value="_selectedFileValueField" Label="@T("Summenfeld", "Value field")" Dense>
                @foreach (var option in _valueFieldOptions)
                {
                    <MudSelectItem Value="@option.Key">@option.Label</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12" md="3">
            <MudSelect T="string" @bind-Value="_selectedFileTargetCurrency" Label="@T("Anzeige-Waehrung", "Display currency")" Dense>
                @foreach (var option in _currencyOptions)
                {
                    <MudSelectItem Value="@option.Key">@option.Label</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12">
            <MudStack Row Spacing="2">
                <MudButton Variant="Variant.Outlined" Color="Color.Info" OnClick="ReloadFiles"
                           StartIcon="@Icons.Material.Filled.Refresh" Disabled="_loadingFiles">
                    @T("Dateien laden", "Load files")
                </MudButton>
                <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="Analyze"
                           StartIcon="@Icons.Material.Filled.Analytics" Disabled="_analyzing || string.IsNullOrWhiteSpace(_selectedFilePath)">
                    @(_analyzing ? T("Analysiere...", "Analyzing...") : T("Cockpit erzeugen", "Build cockpit"))
                </MudButton>
            </MudStack>
        </MudItem>
    </MudGrid>
</MudPaper>

<MudPaper Class="pa-4 mb-4" Elevation="1">
    <MudText Typo="Typo.h6" Class="mb-3">@T("Zentrale Roh-Auswertung", "Central raw analysis")</MudText>
    <MudAlert Severity="Severity.Info" Dense Variant="Variant.Outlined" Class="mb-3">
        @T("Diese Sicht arbeitet direkt auf `CentralSalesRecords`. Summenfeld und Anzeige-Waehrung koennen gewaehlt werden; fachliche Filter wie Intercompany, Budget und Spartenlogik sind weiterhin nicht enthalten.", "This view works directly on `CentralSalesRecords`. Value field and display currency can be selected; business filters such as intercompany, budget and divisional logic are still not included.")
    </MudAlert>
    <MudAlert Severity="Severity.Warning" Dense Variant="Variant.Outlined" Class="mb-3">
        @T("Diese Analyse ist eine Plausibilitaets- und Rohdatensicht. Fuer den verbindlichen Finance-Abgleich bitte `Soll/Ist Vergleich` oder im Endexcel die `Finance | ...`-Spalten verwenden.",
            "This analysis is a plausibility/raw-data view. For the authoritative finance reconciliation, use `Actual/reference comparison` or the `Finance | ...` columns in the final Excel.")
    </MudAlert>
    <MudGrid>
        <MudItem xs="12" md="2">
            <MudSelect T="int" @bind-Value="_selectedCentralYear" Label='@T("Jahr", "Year")' Dense>
                @foreach (var year in _centralYears)
                {
                    <MudSelectItem Value="@year">@year</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12" md="2">
            <MudTextField @bind-Value="_centralLandFilter" Label="@T("Landfilter", "Country filter")" />
        </MudItem>
        <MudItem xs="12" md="2">
            <MudTextField @bind-Value="_centralTscFilter" Label="TSC" />
        </MudItem>
        <MudItem xs="12" md="2">
            <MudSelect T="int?" @bind-Value="_selectedCentralMonth" Label='@T("Monat (optional)", "Month (optional)")' Dense Clearable>
                @foreach (var month in Enumerable.Range(1, 12))
                {
                    <MudSelectItem Value="@((int?)month)">@($"{month:D2}")</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12" md="3">
            <MudSelect T="string" @bind-Value="_selectedCentralValueField" Label="@T("Summenfeld", "Value field")" Dense>
                @foreach (var option in _valueFieldOptions)
                {
                    <MudSelectItem Value="@option.Key">@option.Label</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12" md="3">
            <MudSelect T="string"
                       SelectedValues="_selectedCentralAdditionalValueFields"
                       SelectedValuesChanged="SetSelectedCentralAdditionalValueFields"
                       MultiSelection="true"
                       Label="@T("Weitere Summenfelder", "Additional value fields")"
                       Dense>
                @foreach (var option in _valueFieldOptions)
                {
                    <MudSelectItem Value="@option.Key">@option.Label</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12" md="2">
            <MudSelect T="string" @bind-Value="_selectedCentralTargetCurrency" Label="@T("Anzeige-Waehrung", "Display currency")" Dense>
                @foreach (var option in _currencyOptions)
                {
                    <MudSelectItem Value="@option.Key">@option.Label</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12">
            <MudStack Row Spacing="2" AlignItems="AlignItems.Center">
                <MudButton Variant="Variant.Filled" Color="Color.Secondary" OnClick="AnalyzeCentral"
                           StartIcon="@Icons.Material.Filled.QueryStats" Disabled="_analyzingCentral || _selectedCentralYear == 0">
                    @(_analyzingCentral ? T("Analysiere...", "Analyzing...") : T("Zentrale Auswertung laden", "Load central analysis"))
                </MudButton>
                <MudButton Variant="Variant.Outlined" Color="Color.Default" OnClick="ClearCentralScope"
                           StartIcon="@Icons.Material.Filled.FilterAltOff">
                    @T("Global", "Global")
                </MudButton>
                @if (!string.IsNullOrWhiteSpace(_centralLandFilter) || !string.IsNullOrWhiteSpace(_centralTscFilter))
                {
                    <MudChip T="string" Size="Size.Small" Color="Color.Info" Variant="Variant.Outlined">
                        @T("Gefiltert", "Filtered"): @($"{(_centralLandFilter ?? "-")} / {(_centralTscFilter ?? "-")}")
                    </MudChip>
                }
            </MudStack>
        </MudItem>
    </MudGrid>
</MudPaper>

@if (_result is not null)
{
    <MudGrid Class="mb-4">
        <MudItem xs="12" md="3"><MudPaper Class="pa-4"><MudText Typo="Typo.caption">@T("Land", "Country")</MudText><MudText Typo="Typo.h6">@_result.Summary.Land</MudText></MudPaper></MudItem>
        <MudItem xs="12" md="3"><MudPaper Class="pa-4"><MudText Typo="Typo.caption">TSC</MudText><MudText Typo="Typo.h6">@_result.Summary.Tsc</MudText></MudPaper></MudItem>
        <MudItem xs="12" md="3"><MudPaper Class="pa-4"><MudText Typo="Typo.caption">@_result.Summary.ValueFieldLabel</MudText><MudText Typo="Typo.h6">@FormatValue(_result.Summary.AggregatedValueTotal, _result.Summary.DisplayCurrency)</MudText></MudPaper></MudItem>
        <MudItem xs="12" md="3"><MudPaper Class="pa-4"><MudText Typo="Typo.caption">@T("Nicht umgerechnet", "Not converted")</MudText><MudText Typo="Typo.h6">@_result.Summary.MissingExchangeRateCount.ToString("N0")</MudText></MudPaper></MudItem>
    </MudGrid>

    <MudPaper Class="pa-4 mb-4" Elevation="1">
        <MudText Typo="Typo.h6" Class="mb-2">@T("Management Aussagen", "Management statements")</MudText>
        @foreach (var finding in _result.Findings)
        {
            <MudAlert Severity="@MapSeverity(finding.Severity)" Dense Variant="Variant.Outlined" Class="mb-2">
                <b>@finding.Title:</b> @finding.Detail
            </MudAlert>
        }
    </MudPaper>

    <MudGrid Class="mb-4">
        <MudItem xs="12" md="4">
            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Top Kunden", "Top customers")</MudText>
                @foreach (var item in _result.TopCustomers)
                {
                    <MudText Typo="Typo.body2">@($"{item.Label}: {FormatValue(item.Value, _result.Summary.DisplayCurrency)} ({item.SharePercent:F1}%)")</MudText>
                }
            </MudPaper>
        </MudItem>
        <MudItem xs="12" md="4">
            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Top Produktgruppen", "Top product groups")</MudText>
                @foreach (var item in _result.TopProductGroups)
                {
                    <MudText Typo="Typo.body2">@($"{item.Label}: {FormatValue(item.Value, _result.Summary.DisplayCurrency)} ({item.SharePercent:F1}%)")</MudText>
                }
            </MudPaper>
        </MudItem>
        <MudItem xs="12" md="4">
            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Top Sales Owner", "Top sales owner")</MudText>
                @foreach (var item in _result.TopSalesEmployees)
                {
                    <MudText Typo="Typo.body2">@($"{item.Label}: {FormatValue(item.Value, _result.Summary.DisplayCurrency)} ({item.SharePercent:F1}%)")</MudText>
                }
            </MudPaper>
        </MudItem>
    </MudGrid>

    <MudPaper Class="pa-4" Elevation="1">
        <MudText Typo="Typo.h6" Class="mb-2">@T("Datenqualitaet", "Data quality")</MudText>
        @foreach (var entry in _result.DataQualityCounts.OrderByDescending(x => x.Value))
        {
            <MudText Typo="Typo.body2">@($"{entry.Key}: {entry.Value}")</MudText>
        }
    </MudPaper>
}

@if (_centralResult is not null)
{
    <MudGrid Class="mb-4">
        <MudItem xs="12" md="2"><MudPaper Class="pa-4"><MudText Typo="Typo.caption">@T("Zeilen", "Rows")</MudText><MudText Typo="Typo.h6">@_centralResult.Summary.RowCount.ToString("N0")</MudText></MudPaper></MudItem>
        <MudItem xs="12" md="2"><MudPaper Class="pa-4"><MudText Typo="Typo.caption">@T("Rechnungen", "Invoices")</MudText><MudText Typo="Typo.h6">@_centralResult.Summary.InvoiceCount.ToString("N0")</MudText></MudPaper></MudItem>
        <MudItem xs="12" md="2"><MudPaper Class="pa-4"><MudText Typo="Typo.caption">@T("Standorte", "Sites")</MudText><MudText Typo="Typo.h6">@_centralResult.Summary.SiteCount.ToString("N0")</MudText></MudPaper></MudItem>
        <MudItem xs="12" md="2"><MudPaper Class="pa-4"><MudText Typo="Typo.caption">@T("Laender", "Countries")</MudText><MudText Typo="Typo.h6">@_centralResult.Summary.CountryCount.ToString("N0")</MudText></MudPaper></MudItem>
        <MudItem xs="12" md="2"><MudPaper Class="pa-4"><MudText Typo="Typo.caption">@_centralResult.Summary.ValueFieldLabel</MudText><MudText Typo="Typo.h6">@FormatValue(_centralResult.Summary.ValueTotal, _centralResult.Summary.DisplayCurrency)</MudText></MudPaper></MudItem>
        <MudItem xs="12" md="2"><MudPaper Class="pa-4"><MudText Typo="Typo.caption">@T("Nicht umgerechnet", "Not converted")</MudText><MudText Typo="Typo.h6">@_centralResult.Summary.MissingExchangeRateCount.ToString("N0")</MudText></MudPaper></MudItem>
        <MudItem xs="12" md="2"><MudPaper Class="pa-4"><MudText Typo="Typo.caption">@T("Kursdatum", "Rate date")</MudText><MudText Typo="Typo.body2">@_centralResult.Summary.ExchangeRateDateLabel</MudText></MudPaper></MudItem>
    </MudGrid>

    <MudPaper Class="pa-4 mb-4" Elevation="1">
        <MudText Typo="Typo.h6" Class="mb-2">@T("Hinweise", "Notes")</MudText>
        @foreach (var notice in _centralResult.Notices)
        {
            <MudAlert Severity="Severity.Info" Dense Variant="Variant.Outlined" Class="mb-2">@notice</MudAlert>
        }
    </MudPaper>

    <MudGrid Class="mb-4">
        <MudItem xs="12" md="6">
            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Jahreswerte", "Yearly values")</MudText>
                <MudTable Items="_centralResult.YearlyTotals" Dense Hover Striped>
                    <HeaderContent>
                        <MudTh>@T("Jahr", "Year")</MudTh>
                        <MudTh>@T("Waehrung", "Currency")</MudTh>
                        <MudTh>@_centralResult.Summary.ValueFieldLabel</MudTh>
                        @foreach (var field in _centralResult.AdditionalValueFields)
                        {
                            <MudTh>@field.Label</MudTh>
                        }
                        <MudTh>@T("Zeilen", "Rows")</MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd>@context.Year</MudTd>
                        <MudTd>@context.Currency</MudTd>
                        <MudTd>@FormatValue(context.SalesValue, context.Currency)</MudTd>
                        @foreach (var field in _centralResult.AdditionalValueFields)
                        {
                            <MudTd>@FormatAdditionalValue(context, field.Key)</MudTd>
                        }
                        <MudTd>@context.RowCount.ToString("N0")</MudTd>
                    </RowTemplate>
                </MudTable>
            </MudPaper>
        </MudItem>
        <MudItem xs="12" md="6">
            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Monatswerte", "Monthly values")</MudText>
                <MudTable Items="_centralResult.MonthlyTotals" Dense Hover Striped>
                    <HeaderContent>
                        <MudTh>@T("Monat", "Month")</MudTh>
                        <MudTh>@T("Waehrung", "Currency")</MudTh>
                        <MudTh>@_centralResult.Summary.ValueFieldLabel</MudTh>
                        @foreach (var field in _centralResult.AdditionalValueFields)
                        {
                            <MudTh>@field.Label</MudTh>
                        }
                        <MudTh>@T("Zeilen", "Rows")</MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd>@context.Label</MudTd>
                        <MudTd>@context.Currency</MudTd>
                        <MudTd>@FormatValue(context.SalesValue, context.Currency)</MudTd>
                        @foreach (var field in _centralResult.AdditionalValueFields)
                        {
                            <MudTd>@FormatAdditionalValue(context, field.Key)</MudTd>
                        }
                        <MudTd>@context.RowCount.ToString("N0")</MudTd>
                    </RowTemplate>
                </MudTable>
            </MudPaper>
        </MudItem>
    </MudGrid>

    <MudGrid Class="mb-4">
        <MudItem xs="12" md="6">
            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Tageswerte im ausgewaehlten Monat", "Daily values in selected month")</MudText>
                <MudTable Items="_centralResult.DailyTotals" Dense Hover Striped>
                    <HeaderContent>
                        <MudTh>@T("Tag", "Day")</MudTh>
                        <MudTh>@T("Waehrung", "Currency")</MudTh>
                        <MudTh>@_centralResult.Summary.ValueFieldLabel</MudTh>
                        @foreach (var field in _centralResult.AdditionalValueFields)
                        {
                            <MudTh>@field.Label</MudTh>
                        }
                        <MudTh>@T("Zeilen", "Rows")</MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd>@context.Label</MudTd>
                        <MudTd>@context.Currency</MudTd>
                        <MudTd>@FormatValue(context.SalesValue, context.Currency)</MudTd>
                        @foreach (var field in _centralResult.AdditionalValueFields)
                        {
                            <MudTd>@FormatAdditionalValue(context, field.Key)</MudTd>
                        }
                        <MudTd>@context.RowCount.ToString("N0")</MudTd>
                    </RowTemplate>
                    <NoRecordsContent>
                        <MudText Typo="Typo.caption">@T("Fuer die Tagessicht bitte zusaetzlich einen Monat waehlen.", "Please select a month as well for the daily view.")</MudText>
                    </NoRecordsContent>
                </MudTable>
            </MudPaper>
        </MudItem>
        <MudItem xs="12" md="6">
            <MudPaper Class="pa-4" Elevation="1">
                <MudText Typo="Typo.h6" Class="mb-2">@T("Werte nach Quelle", "Values by source")</MudText>
                <MudTable Items="_centralResult.SourceSystemTotals" Dense Hover Striped>
                    <HeaderContent>
                        <MudTh>@T("Quelle", "Source")</MudTh>
                        <MudTh>@T("Waehrung", "Currency")</MudTh>
                        <MudTh>@_centralResult.Summary.ValueFieldLabel</MudTh>
                        <MudTh>@T("Rechnungen", "Invoices")</MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd>@context.Label</MudTd>
                        <MudTd>@context.Currency</MudTd>
                        <MudTd>@FormatValue(context.SalesValue, context.Currency)</MudTd>
                        <MudTd>@context.InvoiceCount.ToString("N0")</MudTd>
                    </RowTemplate>
                </MudTable>
            </MudPaper>
        </MudItem>
    </MudGrid>

    <MudPaper Class="pa-4" Elevation="1">
        <MudText Typo="Typo.h6" Class="mb-2">@T("Werte nach Land", "Values by country")</MudText>
        <MudTable Items="_centralResult.CountryTotals" Dense Hover Striped>
            <HeaderContent>
                <MudTh>@T("Land", "Country")</MudTh>
                <MudTh>@T("Waehrung", "Currency")</MudTh>
                <MudTh>@_centralResult.Summary.ValueFieldLabel</MudTh>
                <MudTh>@T("Rechnungen", "Invoices")</MudTh>
                <MudTh>@T("Zeilen", "Rows")</MudTh>
            </HeaderContent>
            <RowTemplate>
                <MudTd>@context.Label</MudTd>
                <MudTd>@context.Currency</MudTd>
                <MudTd>@FormatValue(context.SalesValue, context.Currency)</MudTd>
                <MudTd>@context.InvoiceCount.ToString("N0")</MudTd>
                <MudTd>@context.RowCount.ToString("N0")</MudTd>
            </RowTemplate>
        </MudTable>
    </MudPaper>
}

        </MudTabPanel>
    </MudTabs>
        </MudTabPanel>
    </MudTabs>
}

@code {
    [Parameter]
    [SupplyParameterFromQuery(Name = "section")]
    public string? Section { get; set; }

    [Parameter]
    [SupplyParameterFromQuery(Name = "division")]
    public string? Division { get; set; }

    private List<ManagementCockpitFileOption> _files = [];
    private List<int> _centralYears = [];
    private List<int> _financeYearOptions = [];
    private List<string> _financeCountryOptions = [];
    private List<string> _financeCurrencyOptions = [];
    private List<ManagementCockpitValueFieldOption> _valueFieldOptions = [];
    private readonly List<CurrencySelectOption> _currencyOptions =
    [
        new(ManagementCockpitCurrencyOptions.Chf, "CHF"),
        new(ManagementCockpitCurrencyOptions.Eur, "EUR"),
        new(ManagementCockpitCurrencyOptions.Usd, "USD"),
        new(ManagementCockpitCurrencyOptions.Native, "Original")
    ];
    private readonly List<ProductFinanceGroupingOption> _productFinanceGroupingOptions =
    [
        new(ProductFinanceGroupLevels.Hierarchy, "PAPH1 Detail", "PAPH1 detail"),
        new(ProductFinanceGroupLevels.Family, "Produktfamilie", "Product family"),
        new(ProductFinanceGroupLevels.Division, "Produktsparte", "Product division")
    ];
    private readonly List<Finance3dIndicatorOption> _finance3dIndicatorOptions =
    [
        new(Finance3dIndicators.Actual, "Ist Umsatz inkl. IC", "Actual sales incl. IC"),
        new(Finance3dIndicators.ActualExcludingIntercompany, "Ist Umsatz ohne IC", "Actual sales excl. IC"),
        new(Finance3dIndicators.IntercompanyValue, "Intercompany Wert", "Intercompany value"),
        new(Finance3dIndicators.IntercompanyShare, "Intercompany Anteil %", "Intercompany share %"),
        new(Finance3dIndicators.Quantity, "Menge", "Quantity"),
        new(Finance3dIndicators.CreditValue, "Gutschriften Wert", "Credit-note value"),
        new(Finance3dIndicators.CreditRows, "Gutschriften Zeilen", "Credit-note rows"),
        new(Finance3dIndicators.TotalRows, "Alle Zeilen", "All rows"),
        new(Finance3dIndicators.IncludedRows, "Enthaltene Zeilen", "Included rows"),
        new(Finance3dIndicators.ExcludedRows, "Ausgeschlossene Zeilen", "Excluded rows"),
        new(Finance3dIndicators.IncludeRate, "Include Quote %", "Include rate %"),
        new(Finance3dIndicators.ExcludeRate, "Exclude Quote %", "Exclude rate %"),
        new(Finance3dIndicators.ReferenceValue, "Sollwert Filterjahr", "Reference value filter year"),
        new(Finance3dIndicators.Deviation, "Soll/Ist Differenz Filterjahr", "Actual/reference difference filter year"),
        new(Finance3dIndicators.DeviationPercent, "Soll/Ist Abweichung % Filterjahr", "Actual/reference deviation % filter year")
    ];
    private readonly List<Finance3dChartTypeOption> _finance3dChartTypeOptions =
    [
        new(Finance3dChartTypes.Bar, "Balken", "Bar"),
        new(Finance3dChartTypes.Line, "Linie", "Line"),
        new(Finance3dChartTypes.Surface, "Flaeche", "Surface"),
        new(Finance3dChartTypes.Pie, "Kreis / Anteil", "Pie / share")
    ];
    private string? _selectedFilePath;
    private ManagementCockpitResult? _result;
    private ManagementCockpitCentralResult? _centralResult;
    private ManagementFinanceSummaryResult? _financeResult;
    private int _selectedFinanceYear;
    private string? _selectedFinanceCountryKey;
    private string? _selectedFinanceCurrency;
    private int _selectedCentralYear;
    private int? _selectedCentralMonth;
    private string? _centralLandFilter;
    private string? _centralTscFilter;
    private string _selectedFileValueField = ManagementCockpitValueFieldKeys.SalesPriceValue;
    private string _selectedCentralValueField = ManagementCockpitValueFieldKeys.SalesPriceValue;
    private IEnumerable<string> _selectedCentralAdditionalValueFields = [];
    private string _selectedFileTargetCurrency = ManagementCockpitCurrencyOptions.Eur;
    private string _selectedCentralTargetCurrency = ManagementCockpitCurrencyOptions.Native;
    private bool _loadingFiles;
    private bool _analyzing;
    private bool _analyzingCentral;
    private bool _analyzingFinance;
    private int _activeOverviewTabIndex;
    private int _activeFinanceTabIndex;
    private int _activeDivisionTabIndex;
    private string _productFinanceGroupLevel = ProductFinanceGroupLevels.Hierarchy;
    private bool _limitProductFinanceTop10;
    private string _finance3dIndicator = Finance3dIndicators.Actual;
    private string _finance3dChartType = Finance3dChartTypes.Bar;
    private double _finance3dScenarioFactor = 1d;
    private double _finance3dLabelScale = 1.4d;
    private ElementReference _finance3dCanvas;
    private bool _finance3dNeedsRender;

    private bool ShowProductFamilyColumn => _productFinanceGroupLevel != ProductFinanceGroupLevels.Division;
    private bool Finance3dScenarioAffectsValue => _finance3dIndicator is
        Finance3dIndicators.Actual or
        Finance3dIndicators.ActualExcludingIntercompany or
        Finance3dIndicators.IntercompanyValue or
        Finance3dIndicators.CreditValue or
        Finance3dIndicators.ReferenceValue or
        Finance3dIndicators.Deviation;
    private decimal Finance3dBaseTotal => CalculateFinance3dBaseTotal();
    private decimal Finance3dScenarioTotal => Finance3dScenarioAffectsValue
        ? Finance3dBaseTotal * (decimal)_finance3dScenarioFactor
        : Finance3dBaseTotal;
    private decimal Finance3dScenarioDelta => Finance3dScenarioTotal - Finance3dBaseTotal;

    private bool ShowProductHierarchyColumn => _productFinanceGroupLevel == ProductFinanceGroupLevels.Hierarchy;

    protected override void OnParametersSet()
    {
        _activeOverviewTabIndex = string.IsNullOrWhiteSpace(Section) ? 0 : 1;

        if (string.Equals(Section, "division", StringComparison.OrdinalIgnoreCase))
        {
            _activeFinanceTabIndex = ManagementFinanceTabIndexes.Division;
            _activeDivisionTabIndex = string.Equals(Division, "central", StringComparison.OrdinalIgnoreCase) ? 1 : 0;
        }
        else if (string.IsNullOrWhiteSpace(Section))
        {
            _activeFinanceTabIndex = ManagementFinanceTabIndexes.Summary;
            _activeDivisionTabIndex = 0;
        }
        else
        {
            _activeFinanceTabIndex = Section.ToLowerInvariant() switch
            {
                "countries" => ManagementFinanceTabIndexes.Countries,
                "status" => ManagementFinanceTabIndexes.Status,
                "deviations" => ManagementFinanceTabIndexes.Deviations,
                "credits" => ManagementFinanceTabIndexes.Credits,
                "quality" => ManagementFinanceTabIndexes.Quality,
                "3d" => ManagementFinanceTabIndexes.ThreeD,
                "raw" => ManagementFinanceTabIndexes.Raw,
                _ => ManagementFinanceTabIndexes.Summary
            };
        }
    }

    protected override async Task OnInitializedAsync()
    {
        var state = await CockpitPageService.InitializeAsync(_selectedFilePath, _selectedCentralYear);
        _files = state.Files;
        _valueFieldOptions = state.ValueFieldOptions;
        _centralYears = state.CentralYears;
        _selectedFilePath = state.SelectedFilePath;
        _selectedCentralYear = state.SelectedCentralYear;
        _selectedFinanceYear = _selectedCentralYear;
        await AnalyzeFinanceSummary();
    }

    protected override async Task OnAfterRenderAsync(bool firstRender)
    {
        if (_finance3dNeedsRender && _financeResult is not null)
        {
            _finance3dNeedsRender = false;
            await RenderFinance3dAsync();
        }
    }

    private async Task ReloadFiles()
    {
        _loadingFiles = true;
        try
        {
            _files = await CockpitPageService.LoadFilesAsync();
            _selectedFilePath ??= _files.FirstOrDefault()?.Path;
        }
        finally
        {
            _loadingFiles = false;
        }
    }

    private async Task ReloadCentralYears()
    {
        _centralYears = await CockpitPageService.LoadCentralYearsAsync();
        if (_selectedCentralYear == 0)
            _selectedCentralYear = _centralYears.LastOrDefault();
    }

    private async Task Analyze()
    {
        if (string.IsNullOrWhiteSpace(_selectedFilePath))
            return;

        _analyzing = true;
        try
        {
            _result = await CockpitPageService.AnalyzeAsync(_selectedFilePath, new ManagementCockpitAnalysisOptions
            {
                ValueField = _selectedFileValueField,
                TargetCurrency = _selectedFileTargetCurrency
            });
            _centralLandFilter = _result.Summary.Land;
            _centralTscFilter = _result.Summary.Tsc;
        }
        catch (Exception ex)
        {
            Snackbar.Add(string.Format(T("Cockpit konnte nicht erzeugt werden: {0}", "Could not build cockpit: {0}"), ex.Message), Severity.Error);
        }
        finally
        {
            _analyzing = false;
        }
    }

    private async Task AnalyzeCentral()
    {
        if (_selectedCentralYear == 0)
            return;

        _analyzingCentral = true;
        try
        {
            _centralResult = await CockpitPageService.AnalyzeCentralAsync(_selectedCentralYear, _selectedCentralMonth, new ManagementCockpitAnalysisOptions
            {
                ValueField = _selectedCentralValueField,
                AdditionalValueFields = _selectedCentralAdditionalValueFields.ToList(),
                TargetCurrency = _selectedCentralTargetCurrency,
                LandFilter = _centralLandFilter,
                TscFilter = _centralTscFilter
            });
        }
        catch (Exception ex)
        {
            Snackbar.Add(string.Format(T("Zentrale Auswertung konnte nicht erzeugt werden: {0}", "Could not build central analysis: {0}"), ex.Message), Severity.Error);
        }
        finally
        {
            _analyzingCentral = false;
        }
    }

    private async Task AnalyzeFinanceSummary()
    {
        _analyzingFinance = true;
        try
        {
            _financeResult = await CockpitPageService.AnalyzeFinanceSummaryAsync(
                _selectedFinanceYear,
                _selectedFinanceCountryKey,
                _selectedFinanceCurrency);

            _financeYearOptions = _financeResult.YearOptions;
            _financeCountryOptions = _financeResult.CountryOptions;
            _financeCurrencyOptions = _financeResult.CurrencyOptions;
            _selectedFinanceYear = _financeResult.Filter.Year;
            _finance3dNeedsRender = true;
        }
        catch (Exception ex)
        {
            Snackbar.Add(string.Format(T("Finance Summary konnte nicht erzeugt werden: {0}", "Could not build finance summary: {0}"), ex.Message), Severity.Error);
        }
        finally
        {
            _analyzingFinance = false;
        }
    }

    private void ClearCentralScope()
    {
        _centralLandFilter = null;
        _centralTscFilter = null;
    }

    private void ToggleProductFinanceTop10()
    {
        _limitProductFinanceTop10 = !_limitProductFinanceTop10;
    }

    private async Task SetFinance3dIndicator(string value)
    {
        _finance3dIndicator = string.IsNullOrWhiteSpace(value) ? Finance3dIndicators.Actual : value;
        await RenderFinance3dAsync();
    }

    private async Task SetFinance3dChartType(string value)
    {
        _finance3dChartType = string.IsNullOrWhiteSpace(value) ? Finance3dChartTypes.Bar : value;
        await RenderFinance3dAsync();
    }

    private async Task SetFinance3dScenarioFactor(ChangeEventArgs args)
    {
        if (double.TryParse(Convert.ToString(args.Value, CultureInfo.InvariantCulture), NumberStyles.Number, CultureInfo.InvariantCulture, out var value))
        {
            _finance3dScenarioFactor = Math.Clamp(value, 0.5d, 1.5d);
            await UpdateFinance3dScenarioFactorAsync();
        }
    }

    private async Task ResetFinance3dScenarioFactor()
    {
        _finance3dScenarioFactor = 1d;
        await UpdateFinance3dScenarioFactorAsync();
    }

    private async Task SetFinance3dScenarioFactorPreset(double value)
    {
        _finance3dScenarioFactor = Math.Clamp(value, 0.5d, 1.5d);
        await UpdateFinance3dScenarioFactorAsync();
    }

    private async Task SetFinance3dLabelScale(ChangeEventArgs args)
    {
        if (double.TryParse(Convert.ToString(args.Value, CultureInfo.InvariantCulture), NumberStyles.Number, CultureInfo.InvariantCulture, out var value))
        {
            _finance3dLabelScale = Math.Clamp(value, 0.8d, 2.5d);
            await RenderFinance3dAsync();
        }
    }

    private async Task RenderFinance3dAsync()
    {
        if (_financeResult is null)
            return;

        var rows = BuildFinance3dRows();
        await JsRuntime.InvokeVoidAsync("trafagFinance3d.render", _finance3dCanvas, rows, new
        {
            indicator = _finance3dIndicator,
            title = ResolveFinance3dIndicatorLabel(_finance3dIndicator),
            chartType = _finance3dChartType,
            xAxis = T("X: Land", "X: country"),
            yAxis = T("Y: Wert / Indikator", "Y: value / indicator"),
            zAxis = T("Z: Jahr / Zeit", "Z: year / time"),
            pieAxis = T("Kreis: Laenderanteile", "Pie: country shares"),
            labelScale = _finance3dLabelScale,
            scenarioFactor = Finance3dScenarioAffectsValue ? _finance3dScenarioFactor : 1d
        });
    }

    private async Task UpdateFinance3dScenarioFactorAsync()
    {
        await JsRuntime.InvokeVoidAsync(
            "trafagFinance3d.updateFactor",
            _finance3dCanvas,
            Finance3dScenarioAffectsValue ? _finance3dScenarioFactor : 1d);
    }

    private IReadOnlyList<object> BuildFinance3dRows()
    {
        if (_financeResult is null)
            return [];

        var countryRowsByKey = _financeResult.CountryRows
            .GroupBy(row => $"{row.Year}|{row.CountryKey}", StringComparer.OrdinalIgnoreCase)
            .ToDictionary(
                group => group.Key,
                group => group.ToList(),
                StringComparer.OrdinalIgnoreCase);

        var sourceRows = IsFinance3dReferenceYearIndicator(_finance3dIndicator)
            ? _financeResult.Rows
            : (_financeResult.YearCountryRows.Count > 0 ? _financeResult.YearCountryRows : _financeResult.Rows);

        return sourceRows
            .OrderBy(row => row.CountryKey, StringComparer.OrdinalIgnoreCase)
            .ThenBy(row => row.Year)
            .Select(row =>
            {
                countryRowsByKey.TryGetValue($"{row.Year}|{row.CountryKey}", out var countryRows);
                var value = ResolveFinance3dRowValue(row, countryRows);
                return new
                {
                    country = row.CountryKey,
                    year = row.Year,
                    currency = row.Currency,
                    value
                };
            })
            .Cast<object>()
            .ToList();
    }

    private decimal CalculateFinance3dBaseTotal()
    {
        if (_financeResult is null)
            return 0m;

        var countryRowsByKey = _financeResult.CountryRows
            .GroupBy(row => $"{row.Year}|{row.CountryKey}", StringComparer.OrdinalIgnoreCase)
            .ToDictionary(
                group => group.Key,
                group => group.ToList(),
                StringComparer.OrdinalIgnoreCase);

        var sourceRows = IsFinance3dReferenceYearIndicator(_finance3dIndicator)
            ? _financeResult.Rows
            : (_financeResult.YearCountryRows.Count > 0 ? _financeResult.YearCountryRows : _financeResult.Rows);

        var values = sourceRows
            .Select(row =>
            {
                countryRowsByKey.TryGetValue($"{row.Year}|{row.CountryKey}", out var countryRows);
                return ResolveFinance3dRowValue(row, countryRows);
            })
            .ToList();

        if (IsFinance3dPercentIndicator(_finance3dIndicator))
        {
            var nonZeroValues = values.Where(value => value != 0m).ToList();
            return nonZeroValues.Count == 0 ? 0m : nonZeroValues.Average();
        }

        return values.Sum();
    }

    private decimal ResolveFinance3dRowValue(ManagementFinanceSummaryRow row, IReadOnlyCollection<ManagementFinanceCountryStatusRow>? countryRows)
        => _finance3dIndicator switch
        {
            Finance3dIndicators.ActualExcludingIntercompany => Math.Abs(row.NetSalesActualExcludingIntercompany),
            Finance3dIndicators.IntercompanyValue => Math.Abs(row.IntercompanyValue),
            Finance3dIndicators.IntercompanyShare => Math.Abs(row.IntercompanySharePercent),
            Finance3dIndicators.Quantity => Math.Abs(row.Quantity),
            Finance3dIndicators.CreditValue => Math.Abs(row.CreditValue),
            Finance3dIndicators.CreditRows => row.CreditRows,
            Finance3dIndicators.TotalRows => row.TotalRows,
            Finance3dIndicators.IncludedRows => row.IncludedRows,
            Finance3dIndicators.ExcludedRows => row.ExcludedRows,
            Finance3dIndicators.IncludeRate => row.IncludeRatePercent,
            Finance3dIndicators.ExcludeRate => row.ExcludeRatePercent,
            Finance3dIndicators.ReferenceValue => Math.Abs(countryRows?.Sum(item => item.ReferenceValue ?? 0m) ?? 0m),
            Finance3dIndicators.Deviation => Math.Abs(countryRows?.Where(item => item.Difference.HasValue).Sum(item => item.Difference!.Value) ?? 0m),
            Finance3dIndicators.DeviationPercent => Math.Abs(AverageNullablePercent(countryRows?.Select(item => item.DifferencePercent))),
            _ => Math.Abs(row.NetSalesActual)
        };

    private static bool IsFinance3dReferenceYearIndicator(string indicator)
        => indicator is Finance3dIndicators.ReferenceValue or Finance3dIndicators.Deviation or Finance3dIndicators.DeviationPercent;

    private static bool IsFinance3dPercentIndicator(string indicator)
        => indicator is Finance3dIndicators.IntercompanyShare or Finance3dIndicators.IncludeRate or Finance3dIndicators.ExcludeRate or Finance3dIndicators.DeviationPercent;

    private static decimal AverageNullablePercent(IEnumerable<decimal?>? values)
    {
        if (values is null)
            return 0m;

        var actualValues = values.Where(value => value.HasValue).Select(value => value!.Value).ToList();
        return actualValues.Count == 0 ? 0m : actualValues.Average();
    }

    private string FormatFinance3dValue(decimal value)
        => value.ToString("N0", CultureInfo.CurrentCulture);

    private string ResolveFinance3dIndicatorLabel(string key)
        => _finance3dIndicatorOptions.FirstOrDefault(option => option.Key == key) is { } option
            ? T(option.GermanLabel, option.EnglishLabel)
            : T("Net Sales Actual", "Net sales actual");

    private IReadOnlyList<ManagementProductDivisionFinanceRow> BuildProductFinanceRows()
    {
        if (_financeResult is null)
            return [];

        var sourceRows = _financeResult.ProductDivisionFinanceRows;
        var totalsByCurrency = sourceRows
            .GroupBy(row => row.Currency, StringComparer.OrdinalIgnoreCase)
            .ToDictionary(group => group.Key, group => group.Sum(row => row.NetSalesActual), StringComparer.OrdinalIgnoreCase);

        var rows = sourceRows
            .GroupBy(row => BuildProductFinanceGroupKey(row))
            .Select(group =>
            {
                var value = group.Sum(row => row.NetSalesActual);
                totalsByCurrency.TryGetValue(group.Key.Currency, out var total);

                return new ManagementProductDivisionFinanceRow
                {
                    ProductDivisionCode = group.Key.ProductDivisionCode,
                    ProductDivisionText = group.Key.ProductDivisionText,
                    ProductFamilyCode = group.Key.ProductFamilyCode,
                    ProductFamilyText = group.Key.ProductFamilyText,
                    ProductHierarchyCode = group.Key.ProductHierarchyCode,
                    ProductHierarchyText = group.Key.ProductHierarchyText,
                    Currency = group.Key.Currency,
                    NetSalesActual = value,
                    SharePercent = PercentOf(value, total),
                    MaterialCount = group.Sum(row => row.MaterialCount),
                    RowCount = group.Sum(row => row.RowCount),
                    Countries = JoinCountries(group.Select(row => row.Countries))
                };
            })
            .OrderByDescending(row => Math.Abs(row.NetSalesActual))
            .ThenBy(row => row.ProductDivisionCode, StringComparer.OrdinalIgnoreCase)
            .ThenBy(row => row.ProductFamilyCode, StringComparer.OrdinalIgnoreCase)
            .ThenBy(row => row.ProductHierarchyCode, StringComparer.OrdinalIgnoreCase)
            .ToList();

        return _limitProductFinanceTop10 ? rows.Take(10).ToList() : rows;
    }

    private ProductFinanceGroupKey BuildProductFinanceGroupKey(ManagementProductDivisionFinanceRow row)
    {
        return _productFinanceGroupLevel switch
        {
            ProductFinanceGroupLevels.Division => new ProductFinanceGroupKey(
                row.ProductDivisionCode,
                row.ProductDivisionText,
                string.Empty,
                string.Empty,
                string.Empty,
                string.Empty,
                row.Currency),
            ProductFinanceGroupLevels.Family => new ProductFinanceGroupKey(
                row.ProductDivisionCode,
                row.ProductDivisionText,
                row.ProductFamilyCode,
                row.ProductFamilyText,
                string.Empty,
                string.Empty,
                row.Currency),
            _ => new ProductFinanceGroupKey(
                row.ProductDivisionCode,
                row.ProductDivisionText,
                row.ProductFamilyCode,
                row.ProductFamilyText,
                row.ProductHierarchyCode,
                row.ProductHierarchyText,
                row.Currency)
        };
    }

    private static Severity MapSeverity(string severity) => severity switch
    {
        "Warning" => Severity.Warning,
        "Error" => Severity.Error,
        _ => Severity.Info
    };

    private static string BuildPeriodLabel(ManagementCockpitCentralResult result)
    {
        if (result.Summary.PeriodStart is null || result.Summary.PeriodEnd is null)
            return "-";

        return $"{result.Summary.PeriodStart.Value:dd.MM.yyyy} - {result.Summary.PeriodEnd.Value:dd.MM.yyyy}";
    }

    private static string FormatValue(decimal value, string currency)
        => string.IsNullOrWhiteSpace(currency) || currency == "-"
            ? value.ToString("N2")
            : $"{value:N2} {currency}";

    private static string FormatNullableValue(decimal? value, string currency)
        => value.HasValue ? FormatValue(value.Value, currency) : "-";

    private static string FormatPercent(decimal? value)
        => value.HasValue ? $"{value.Value:N1}%" : "-";

    private static decimal PercentOf(decimal value, decimal total)
        => total == 0m ? 0m : value * 100m / total;

    private static string FormatDateTime(DateTime? value)
        => value.HasValue ? value.Value.ToLocalTime().ToString("dd.MM.yyyy HH:mm") : "-";

    private static string FormatManualImportStatus(ManagementFinanceDataStatusRow row)
    {
        if (!string.Equals(row.SourceSystem, "MANUAL_EXCEL", StringComparison.OrdinalIgnoreCase))
            return "-";

        if (!string.IsNullOrWhiteSpace(row.ManualImportFilePath))
            return row.ManualImportLastUploadedAtUtc.HasValue
                ? $"{System.IO.Path.GetFileName(row.ManualImportFilePath)} / {FormatDateTime(row.ManualImportLastUploadedAtUtc)}"
                : System.IO.Path.GetFileName(row.ManualImportFilePath);

        return "kein Pfad";
    }

    private string BuildDataStatusText(ManagementFinanceCountryStatusRow countryRow)
    {
        if (_financeResult is null)
            return "-";

        var tscs = countryRow.Tscs
            .Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)
            .ToHashSet(StringComparer.OrdinalIgnoreCase);
        var matchingRows = _financeResult.DataStatusRows
            .Where(row => row.Land.Equals(countryRow.CountryKey, StringComparison.OrdinalIgnoreCase) ||
                          tscs.Contains(row.Tsc))
            .OrderByDescending(row => row.LatestExportAt ?? row.LatestStoredAtUtc ?? DateTime.MinValue)
            .ToList();

        var latest = matchingRows.FirstOrDefault();
        if (latest is null)
            return "-";

        var date = latest.LatestExportAt ?? latest.LatestStoredAtUtc;
        var status = string.IsNullOrWhiteSpace(latest.LatestExportStatus) ? latest.SourceSystem : latest.LatestExportStatus;
        return $"{status} / {FormatDateTime(date)}";
    }

    private string BuildQuickFinanceNote(ManagementFinanceCountryStatusRow row)
    {
        if (!row.ReferenceValue.HasValue)
            return T("Kein Sollwert gepflegt.", "No reference value maintained.");
        if (row.Status == "OK")
            return T("Freigabefaehig.", "Ready for approval.");
        if (row.Difference.HasValue)
            return T("Abweichung pruefen.", "Check deviation.");

        return T("Pruefen.", "Check.");
    }

    private static Color StatusColor(string status) => status switch
    {
        "OK" => Color.Success,
        "Pruefen" => Color.Warning,
        _ => Color.Default
    };

    private static Color SeverityColor(string severity) => severity switch
    {
        "Warning" => Color.Warning,
        "Error" => Color.Error,
        _ => Color.Info
    };

    private static Color ProductAssignmentColor(string status) => status switch
    {
        "Zugeordnet" => Color.Success,
        "Nicht zugeordnet" => Color.Warning,
        "Nicht im TR-AG-Stamm" => Color.Error,
        "Material fehlt" => Color.Default,
        _ => Color.Info
    };

    private static string BuildCodeText(string code, string text)
    {
        if (string.IsNullOrWhiteSpace(code))
            return string.IsNullOrWhiteSpace(text) ? "-" : text;

        return string.IsNullOrWhiteSpace(text) ? code : $"{code} - {text}";
    }

    private static string ResolveProductDivisionIcon(
        string productDivisionCode,
        string productDivisionText,
        string productFamilyText,
        string productHierarchyText)
    {
        var combinedText = string.Join(' ', productDivisionText, productFamilyText, productHierarchyText).ToUpperInvariant();

        if (string.Equals(productDivisionCode, "UNASS", StringComparison.OrdinalIgnoreCase) ||
            combinedText.Contains("NICHT ZUGEORDNET", StringComparison.OrdinalIgnoreCase) ||
            combinedText.Contains("UNASS", StringComparison.OrdinalIgnoreCase))
        {
            return Icons.Material.Filled.HelpOutline;
        }

        if (combinedText.Contains("GAS", StringComparison.OrdinalIgnoreCase) ||
            combinedText.Contains("DENSITY", StringComparison.OrdinalIgnoreCase))
        {
            return Icons.Material.Filled.Sensors;
        }

        if (combinedText.Contains("PRESSURE", StringComparison.OrdinalIgnoreCase) ||
            combinedText.Contains("DRUCK", StringComparison.OrdinalIgnoreCase))
        {
            return Icons.Material.Filled.Compress;
        }

        if (combinedText.Contains("TEMP", StringComparison.OrdinalIgnoreCase) ||
            combinedText.Contains("THERMOSTAT", StringComparison.OrdinalIgnoreCase))
        {
            return Icons.Material.Filled.DeviceThermostat;
        }

        if (combinedText.Contains("SWITCH", StringComparison.OrdinalIgnoreCase) ||
            combinedText.Contains("SCHALTER", StringComparison.OrdinalIgnoreCase))
        {
            return Icons.Material.Filled.ToggleOn;
        }

        if (combinedText.Contains("ACCESS", StringComparison.OrdinalIgnoreCase) ||
            combinedText.Contains("ZUBEH", StringComparison.OrdinalIgnoreCase))
        {
            return Icons.Material.Filled.Extension;
        }

        return Icons.Material.Filled.Category;
    }

    private static string JoinCountries(IEnumerable<string> countryValues)
    {
        var countries = countryValues
            .SelectMany(value => value.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries))
            .Where(value => !string.IsNullOrWhiteSpace(value))
            .Distinct(StringComparer.OrdinalIgnoreCase)
            .OrderBy(value => value, StringComparer.OrdinalIgnoreCase)
            .Select(FormatCountryWithFlag);

        return string.Join(", ", countries);
    }

    private static string FormatCountriesWithFlags(string countries)
        => string.IsNullOrWhiteSpace(countries)
            ? "-"
            : JoinCountries([countries]);

    private static string FormatCountryWithFlag(string country)
    {
        if (string.IsNullOrWhiteSpace(country))
            return "-";

        var normalized = country.Trim().ToUpperInvariant();
        if (normalized.Length != 2 || normalized.Any(character => character is < 'A' or > 'Z'))
            return country;

        var flag = string.Concat(normalized.Select(character => char.ConvertFromUtf32(0x1F1E6 + character - 'A')));
        return $"{flag} {normalized}";
    }

    private void SetSelectedCentralAdditionalValueFields(IEnumerable<string> values)
    {
        _selectedCentralAdditionalValueFields = values
            .Where(value => !string.IsNullOrWhiteSpace(value))
            .Distinct(StringComparer.OrdinalIgnoreCase)
            .ToList();
    }

    private static string FormatAdditionalValue(ManagementCockpitTimeValueRow row, string fieldKey)
    {
        if (!row.AdditionalValues.TryGetValue(fieldKey, out var value))
            return "-";

        var formattedValue = FormatValue(value.Value, value.Currency);
        return value.MissingExchangeRateCount == 0
            ? formattedValue
            : $"{formattedValue} / {value.MissingExchangeRateCount} ohne Kurs";
    }

    private string T(string german, string english) => UiText.Text(german, english);

    private static class ProductFinanceGroupLevels
    {
        public const string Hierarchy = "hierarchy";
        public const string Family = "family";
        public const string Division = "division";
    }

    private static class ManagementFinanceTabIndexes
    {
        public const int Summary = 0;
        public const int Countries = 1;
        public const int Status = 2;
        public const int Deviations = 3;
        public const int Credits = 4;
        public const int Quality = 5;
        public const int Division = 6;
        public const int ThreeD = 7;
        public const int Raw = 8;
    }

    private static class Finance3dIndicators
    {
        public const string Actual = "actual";
        public const string ActualExcludingIntercompany = "actualExcludingIntercompany";
        public const string IntercompanyValue = "intercompanyValue";
        public const string IntercompanyShare = "intercompanyShare";
        public const string Quantity = "quantity";
        public const string CreditValue = "creditValue";
        public const string CreditRows = "creditRows";
        public const string TotalRows = "totalRows";
        public const string IncludedRows = "includedRows";
        public const string ExcludedRows = "excludedRows";
        public const string IncludeRate = "includeRate";
        public const string ExcludeRate = "excludeRate";
        public const string ReferenceValue = "referenceValue";
        public const string Deviation = "deviation";
        public const string DeviationPercent = "deviationPercent";
    }

    private static class Finance3dChartTypes
    {
        public const string Bar = "bar";
        public const string Line = "line";
        public const string Surface = "surface";
        public const string Pie = "pie";
    }

    private sealed record ProductFinanceGroupingOption(string Key, string GermanLabel, string EnglishLabel);
    private sealed record Finance3dIndicatorOption(string Key, string GermanLabel, string EnglishLabel);
    private sealed record Finance3dChartTypeOption(string Key, string GermanLabel, string EnglishLabel);

    private sealed record ProductFinanceGroupKey(
        string ProductDivisionCode,
        string ProductDivisionText,
        string ProductFamilyCode,
        string ProductFamilyText,
        string ProductHierarchyCode,
        string ProductHierarchyText,
        string Currency);

    private sealed record CurrencySelectOption(string Key, string Label);
}