@using TrafagSalesExporter.Services
@rendermode @(Microsoft.AspNetCore.Components.Web.RenderMode.InteractiveServer)
@inject IFinanceCockpitAccessService FinanceAccess
@inject ISnackbar Snackbar
@inject NavigationManager Navigation
@inject IUiTextService UiText
@inject ILogger<FinanceCockpitUnlockPanel> Logger

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

<MudPaper Class="pa-4 mb-4" Elevation="1" Style="max-width:520px;">
    <MudStack Spacing="3">
        <MudAlert Severity="Severity.Warning" Variant="Variant.Outlined">
            @T("Finance Cockpit ist geschuetzt. Bitte separat anmelden.", "Finance Cockpit is protected. Please sign in separately.")
        </MudAlert>
        @if (!FinanceAccess.IsConfigured)
        {
            <MudAlert Severity="Severity.Error" Variant="Variant.Filled">
                @T("Finance-Cockpit-Zugang ist noch nicht konfiguriert. Bitte Username und PasswordHash in FinanceCockpitAccess konfigurieren.", "Finance Cockpit access is not configured yet. Please configure Username and PasswordHash in FinanceCockpitAccess.")
            </MudAlert>
        }
        <form method="post" action="@AccessUrl">
            <input type="hidden" name="returnUrl" value="@Navigation.Uri" />
            <MudStack Spacing="3">
                <MudTextField T="string" Name="username" Label="@T("Name", "Name")" Disabled="@(!FinanceAccess.IsConfigured)" />
                <MudTextField T="string" Name="password" Label="@T("Passwort", "Password")" InputType="InputType.Password" Disabled="@(!FinanceAccess.IsConfigured)" />
                <button type="submit" class="mud-button-root mud-button mud-button-filled mud-button-filled-primary mud-button-filled-size-medium mud-ripple">
                    @T("Finance Cockpit entsperren", "Unlock Finance Cockpit")
                </button>
            </MudStack>
        </form>
        <MudText Typo="Typo.caption">
            @T("Server-Klicks", "Server clicks"): @_unlockClickCount |
            @T("Konfiguriert", "Configured"): @(FinanceAccess.IsConfigured ? "JA" : "NEIN")
        </MudText>
        <MudDivider />
        <MudExpansionPanels Elevation="0">
            <MudExpansionPanel Text="@T("Passwort ändern", "Change password")" Icon="@Icons.Material.Filled.Password">
                <MudStack Spacing="3" Class="pt-2">
                    <MudTextField @bind-Value="_changeUsername" Label="@T("Name", "Name")" Disabled="@(!FinanceAccess.IsConfigured)" />
                    <MudTextField @bind-Value="_currentPassword" Label="@T("Aktuelles Passwort", "Current password")" InputType="InputType.Password" Disabled="@(!FinanceAccess.IsConfigured)" />
                    <MudTextField @bind-Value="_newPassword" Label="@T("Neues Passwort", "New password")" InputType="InputType.Password" HelperText="@T("Mindestens 8 Zeichen.", "At least 8 characters.")" Disabled="@(!FinanceAccess.IsConfigured)" />
                    <MudTextField @bind-Value="_newPasswordRepeat" Label="@T("Neues Passwort wiederholen", "Repeat new password")" InputType="InputType.Password" Disabled="@(!FinanceAccess.IsConfigured)" />
                    <MudButton Variant="Variant.Outlined" Color="Color.Primary" OnClick="ChangePasswordAsync"
                               StartIcon="@Icons.Material.Filled.Save" Disabled="@(!FinanceAccess.IsConfigured)">
                        @T("Passwort speichern", "Save password")
                    </MudButton>
                </MudStack>
            </MudExpansionPanel>
        </MudExpansionPanels>
    </MudStack>
</MudPaper>

@code {
    private string? _username;
    private string? _password;
    private string? _changeUsername;
    private string? _currentPassword;
    private string? _newPassword;
    private string? _newPasswordRepeat;
    private int _unlockClickCount;
    private string AccessUrl => new Uri(new Uri(Navigation.BaseUri), "access/finance").ToString();

    private Task UnlockAsync()
    {
        _unlockClickCount++;
        Logger.LogInformation(
            "Finance unlock button handler reached. ClickCount={ClickCount}, IsConfigured={IsConfigured}, UsernameLength={UsernameLength}, PasswordLength={PasswordLength}",
            _unlockClickCount,
            FinanceAccess.IsConfigured,
            _username?.Length ?? 0,
            _password?.Length ?? 0);

        if (!FinanceAccess.TryUnlock(_username ?? string.Empty, _password ?? string.Empty))
        {
            Snackbar.Add(T("Finance-Cockpit-Anmeldung fehlgeschlagen.", "Finance Cockpit sign-in failed."), Severity.Error);
            return Task.CompletedTask;
        }

        _password = string.Empty;
        Navigation.Refresh(forceReload: false);
        return Task.CompletedTask;
    }

    private Task ChangePasswordAsync()
    {
        if (string.IsNullOrWhiteSpace(_newPassword) || _newPassword.Length < 8)
        {
            Snackbar.Add(T("Das neue Passwort muss mindestens 8 Zeichen lang sein.", "The new password must be at least 8 characters long."), Severity.Warning);
            return Task.CompletedTask;
        }

        if (_newPassword != _newPasswordRepeat)
        {
            Snackbar.Add(T("Die neuen Passwörter stimmen nicht überein.", "The new passwords do not match."), Severity.Warning);
            return Task.CompletedTask;
        }

        if (!FinanceAccess.TryChangePassword(_changeUsername ?? string.Empty, _currentPassword ?? string.Empty, _newPassword))
        {
            Snackbar.Add(T("Passwort konnte nicht geändert werden. Name oder aktuelles Passwort prüfen.", "Password could not be changed. Check the name or current password."), Severity.Error);
            return Task.CompletedTask;
        }

        _currentPassword = string.Empty;
        _newPassword = string.Empty;
        _newPasswordRepeat = string.Empty;
        Snackbar.Add(T("Passwort wurde geändert.", "Password has been changed."), Severity.Success);
        return Task.CompletedTask;
    }

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