@page "/hr-kpi"
@using Microsoft.Extensions.Options
@using TrafagSalesExporter.Components.HrKpi
@using TrafagSalesExporter.Services
@inject IHrKpiService HrKpiService
@inject IOptions<HrKpiDataSourceOptions> DataSourceOptions
@inject ISnackbar Snackbar
@inject IUiTextService UiText

<PageTitle>@T("HR KPI", "HR KPI")</PageTitle>

<MudText Typo="Typo.h4" Class="mb-4">@T("HR KPI", "HR KPI")</MudText>

<MudPaper Class="pa-4 mb-4" Elevation="1">
    <MudGrid>
        <MudItem xs="12" md="5">
            <MudTextField @bind-Value="_dataFolder" Label="@T("Datenordner", "Data folder")" />
        </MudItem>
        <MudItem xs="6" md="2">
            <MudNumericField T="int" @bind-Value="_year" Label="@T("Austrittsjahr", "Leaver year")" Min="2000" Max="2100" />
        </MudItem>
        <MudItem xs="12" md="3">
            <MudSelect T="string" @bind-Value="_organisation" Label="@T("Organisation", "Organisation")" Dense Clearable>
                @foreach (var option in _result?.OrganisationOptions ?? [])
                {
                    <MudSelectItem Value="@option">@option</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12" md="2">
            <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="LoadAsync"
                       StartIcon="@Icons.Material.Filled.Refresh" Disabled="_loading" FullWidth>
                @(_loading ? T("Lade...", "Loading...") : T("Laden", "Load"))
            </MudButton>
        </MudItem>
        <MudItem xs="12" md="3">
            <MudDatePicker @bind-Date="_fromDate" Label="@T("Von Austritt", "Exit from")" Clearable DateFormat="dd.MM.yyyy" />
        </MudItem>
        <MudItem xs="12" md="3">
            <MudDatePicker @bind-Date="_toDate" Label="@T("Bis Austritt", "Exit to")" Clearable DateFormat="dd.MM.yyyy" />
        </MudItem>
        <MudItem xs="12" md="2">
            <MudSelect T="int?" @bind-Value="_entryYear" Label="@T("Eintrittsjahr", "Entry year")" Dense Clearable>
                @foreach (var option in _result?.EntryYearOptions ?? [])
                {
                    <MudSelectItem Value="@((int?)option)">@option</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12" md="4">
            <MudTextField @bind-Value="_searchText" Label="@T("Suche Name / Personalnr.", "Search name / personnel no.")" />
        </MudItem>
        <MudItem xs="12" md="3">
            <MudSelect T="string" @bind-Value="_kostenstelle" Label="@T("Kostenstelle", "Cost center")" Dense Clearable>
                @foreach (var option in _result?.KostenstelleOptions ?? [])
                {
                    <MudSelectItem Value="@option">@option</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12" md="3">
            <MudSelect T="string" @bind-Value="_mitarbeitertyp" Label="@T("Mitarbeitertyp", "Employee type")" Dense Clearable>
                @foreach (var option in _result?.MitarbeitertypOptions ?? [])
                {
                    <MudSelectItem Value="@option">@option</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="12" md="2">
            <MudSelect T="string" @bind-Value="_fluktuationFilter" Label="@T("Fluktuation", "Turnover")" Dense>
                @foreach (var option in _fluktuationOptions)
                {
                    <MudSelectItem Value="@option.Key">@option.Label</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="6" md="2">
            <MudSelect T="string" @bind-Value="_glzAmpel" Label="@T("GLZ", "Time")" Dense Clearable>
                @foreach (var option in _ampelOptions)
                {
                    <MudSelectItem Value="@option">@option</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
        <MudItem xs="6" md="2">
            <MudSelect T="string" @bind-Value="_restferienAmpel" Label="@T("Restferien", "Vacation")" Dense Clearable>
                @foreach (var option in _restferienOptions)
                {
                    <MudSelectItem Value="@option">@option</MudSelectItem>
                }
            </MudSelect>
        </MudItem>
    </MudGrid>
</MudPaper>

@if (_result is not null)
{
    @if (_result.Notices.Count > 0)
    {
        <MudPaper Class="pa-4 mb-4" Elevation="1">
            @foreach (var notice in _result.Notices)
            {
                <MudAlert Severity="Severity.Warning" Dense Variant="Variant.Outlined" Class="mb-2">@notice</MudAlert>
            }
        </MudPaper>
    }

    <HrKpiDashboardTabs Result="_result" />

}

@code {
    private string _dataFolder = HrKpiDataSourceOptions.DefaultFolder;
    private int _year = DateTime.Today.Year;
    private DateTime? _fromDate;
    private DateTime? _toDate;
    private int? _entryYear;
    private string? _organisation;
    private string? _kostenstelle;
    private string? _mitarbeitertyp;
    private string _fluktuationFilter = "Alle";
    private string? _glzAmpel;
    private string? _restferienAmpel;
    private string? _searchText;
    private bool _loading;
    private HrKpiResult? _result;
    private readonly List<(string Key, string Label)> _fluktuationOptions =
    [
        ("Alle", "Alle"),
        ("Fluktuationsrelevant", "Relevant"),
        ("Arbeitnehmerkuendigung", "Arbeitnehmerkuendigung"),
        ("Ausgeschlossen", "Ausgeschlossen")
    ];
    private readonly List<string> _ampelOptions = ["Gruen", "Gelb", "Rot"];
    private readonly List<string> _restferienOptions = ["Gruen", "Rot"];

    protected override async Task OnInitializedAsync()
    {
        _dataFolder = DataSourceOptions.Value.Normalize().DataFolder;
        await LoadAsync();
    }

    private async Task LoadAsync()
    {
        _loading = true;
        try
        {
            _result = await HrKpiService.BuildAsync(new HrKpiOptions
            {
                DataFolder = _dataFolder,
                Year = _year,
                FromDate = _fromDate,
                ToDate = _toDate,
                EntryYear = _entryYear,
                Organisationseinheit = _organisation,
                KostenstelleText = _kostenstelle,
                Mitarbeitertyp = _mitarbeitertyp,
                FluktuationFilter = _fluktuationFilter,
                GlzAmpel = _glzAmpel,
                RestferienAmpel = _restferienAmpel,
                SearchText = _searchText
            });
        }
        catch (Exception ex)
        {
            Snackbar.Add(ex.Message, Severity.Error);
        }
        finally
        {
            _loading = false;
        }
    }

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