@page "/settings"
@using Microsoft.EntityFrameworkCore
@inject IDbContextFactory<AppDbContext> DbFactory
@inject CryptoService CryptoService
@inject SharePointUploadService SharePointUploadService

<PageTitle>Settings</PageTitle>

<MudText Typo="Typo.h4" Class="mb-4">Settings</MudText>

<MudPaper Class="pa-4 mb-4">
    <MudText Typo="Typo.h6">SharePoint</MudText>
    <MudGrid>
        <MudItem xs="12" md="6"><MudTextField Label="SiteUrl" @bind-Value="sharePointConfig.SiteUrl" /></MudItem>
        <MudItem xs="12" md="6"><MudTextField Label="ExportFolder" @bind-Value="sharePointConfig.ExportFolder" /></MudItem>
        <MudItem xs="12" md="4"><MudTextField Label="TenantId" @bind-Value="sharePointConfig.TenantId" /></MudItem>
        <MudItem xs="12" md="4"><MudTextField Label="ClientId" @bind-Value="sharePointConfig.ClientId" /></MudItem>
        <MudItem xs="12" md="4"><MudTextField Label="ClientSecret" InputType="InputType.Password" @bind-Value="sharePointClientSecret" /></MudItem>
    </MudGrid>
    <MudStack Row="true" Spacing="2" Class="mt-3">
        <MudButton Variant="Variant.Filled" OnClick="SaveAsync">Speichern</MudButton>
        <MudButton Variant="Variant.Outlined" OnClick="TestSharePointAsync">SharePoint Verbindung testen</MudButton>
    </MudStack>
</MudPaper>

<MudPaper Class="pa-4 mb-4">
    <MudText Typo="Typo.h6">Export & Timer</MudText>
    <MudGrid>
        <MudItem xs="12" md="3"><MudTextField Label="DateFilter" @bind-Value="settings.DateFilter" /></MudItem>
        <MudItem xs="12" md="2"><MudNumericField T="int" Label="TimerHour" Min="0" Max="23" @bind-Value="settings.TimerHour" /></MudItem>
        <MudItem xs="12" md="2"><MudNumericField T="int" Label="TimerMinute" Min="0" Max="59" @bind-Value="settings.TimerMinute" /></MudItem>
        <MudItem xs="12" md="2"><MudCheckBox Label="TimerEnabled" @bind-Value="settings.TimerEnabled" /></MudItem>
    </MudGrid>
    <MudText Typo="Typo.body2" Class="mt-3">Dateiname-Vorschau: @PreviewFileName</MudText>
</MudPaper>

<MudAlert Severity="Severity.Info" Variant="Variant.Outlined">@message</MudAlert>

@code {
    private SharePointConfig sharePointConfig = new();
    private ExportSettings settings = new();
    private string sharePointClientSecret = string.Empty;
    private string message = "Bereit.";

    private string PreviewFileName => $"Sales_{{TSC}}_{DateTime.UtcNow:yyyy-MM-dd}.xlsx";

    protected override async Task OnInitializedAsync()
    {
        await using var db = await DbFactory.CreateDbContextAsync();
        sharePointConfig = await db.SharePointConfigs.OrderBy(x => x.Id).FirstAsync();
        settings = await db.ExportSettings.OrderBy(x => x.Id).FirstAsync();
        sharePointClientSecret = CryptoService.Decrypt(sharePointConfig.EncryptedClientSecret);
    }

    private async Task SaveAsync()
    {
        await using var db = await DbFactory.CreateDbContextAsync();
        var sp = await db.SharePointConfigs.SingleAsync(x => x.Id == sharePointConfig.Id);
        var es = await db.ExportSettings.SingleAsync(x => x.Id == settings.Id);

        sp.SiteUrl = sharePointConfig.SiteUrl;
        sp.ExportFolder = sharePointConfig.ExportFolder;
        sp.TenantId = sharePointConfig.TenantId;
        sp.ClientId = sharePointConfig.ClientId;
        sp.EncryptedClientSecret = CryptoService.Encrypt(sharePointClientSecret);

        es.DateFilter = settings.DateFilter;
        es.TimerHour = settings.TimerHour;
        es.TimerMinute = settings.TimerMinute;
        es.TimerEnabled = settings.TimerEnabled;

        await db.SaveChangesAsync();
        message = "Settings gespeichert.";
    }

    private async Task TestSharePointAsync()
    {
        try
        {
            var ok = await SharePointUploadService.TestConnectionAsync(
                sharePointConfig.SiteUrl,
                sharePointConfig.TenantId,
                sharePointConfig.ClientId,
                sharePointClientSecret);

            message = ok ? "SharePoint Verbindung OK." : "SharePoint Verbindung fehlgeschlagen.";
        }
        catch (Exception ex)
        {
            message = $"SharePoint Test fehlgeschlagen: {ex.Message}";
        }
    }
}