@page
@model DXApp.TemplateKitProject.Pages.Invoices.UploadModel
@{
    ViewData["Title"] = "PDF/A Upload";
}

<h2>PDF/A Rechnung hochladen</h2>

<form method="post" enctype="multipart/form-data">
    <div class="mb-3">
        <label asp-for="PdfFile" class="form-label">PDF/A-Datei auswählen</label>
        <input asp-for="PdfFile" type="file" class="form-control" accept=".pdf" />
        <span asp-validation-for="PdfFile" class="text-danger"></span>
    </div>
    <button type="submit" class="btn btn-primary">Hochladen &amp; Analysieren</button>
</form>

@if (Model.ExtractionDone)
{
    <hr />
    <h4>Ergebnis</h4>

    @if (!string.IsNullOrEmpty(Model.ErrorMessage))
    {
        <div class="alert alert-danger">@Model.ErrorMessage</div>
    }
    else if (Model.Result == null || !Model.Result.HasAttachments)
    {
        <div class="alert alert-warning">Keine Anhänge in der PDF gefunden.</div>
    }
    else
    {
        <div class="alert @(Model.Result.HasZugferdXml ? "alert-success" : "alert-warning")">
            @if (Model.Result.HasZugferdXml)
            {
                <strong>✔ ZUGFeRD/Factur-X XML gefunden:</strong>
                <span>@Model.Result.ZugferdXmlAttachment!.OriginalFileName</span>
            }
            else
            {
                <strong>⚠ Kein ZUGFeRD-XML gefunden.</strong>
            }
            @if (!string.IsNullOrEmpty(Model.ResultFilePath))
            {
                <div class="alert alert-success mt-2">
                    📦 <strong>Result-PDF erstellt:</strong>
                    <small class="text-muted">@Model.ResultFilePath</small>
                </div>
            }
        </div>

        @* PDF/A-Konformitätsstufe anzeigen *@
        <div class="alert @(Model.Result.PdfAWarning ? "alert-warning" : "alert-info") mt-2">
            <strong>PDF/A-Konformität:</strong> @Model.Result.PdfALevel
            @if (!string.IsNullOrEmpty(Model.Result.ZugferdGuidelineId))
            {
                <br />
    
                <strong>Guideline-ID:</strong>
                <code>@Model.Result.ZugferdGuidelineId</code>
            }
            @if (Model.Result.PdfAWarning)
            {
                <span> – ⚠️ ZUGFeRD-Rechnungen müssen PDF/A-3b sein.</span>
            }
        </div>

        <table class="table table-sm table-bordered">
            <thead class="table-light">
                <tr>
                    <th>Dateiname</th>
                    <th>Größe</th>
                    <th>ZUGFeRD?</th>
                    <th>Gespeichert unter</th>
                </tr>
            </thead>
            <tbody>
                @foreach (var a in Model.Result.Attachments)
                {
                    <tr class="@(a.IsZugferdXml ? "table-success" : "")">
                        <td>@a.OriginalFileName</td>
                        <td>@($"{a.FileSizeBytes:N0}") Bytes</td>
                        <td>@(a.IsZugferdXml ? "✔ Ja" : "Nein")</td>
                        <td><small class="text-muted">@a.SavedFilePath</small></td>
                    </tr>
                }
            </tbody>
        </table>
    }
    @if (Model.ImportedInvoice is not null)
    {
        <hr />
        <h4>📄 Geparste Rechnungsdaten</h4>
        <table class="table table-sm table-bordered w-auto">
            <tr><th>Rechnungsnummer</th><td>@Model.ImportedInvoice.InvoiceNumber</td></tr>
            <tr><th>Rechnungsdatum</th><td>@Model.ImportedInvoice.InvoiceDate.ToString("dd.MM.yyyy")</td></tr>
            <tr><th>Verkäufer</th><td>@Model.ImportedInvoice.SellerName</td></tr>
            <tr><th>USt-ID Verkäufer</th><td>@Model.ImportedInvoice.SellerTaxId</td></tr>
            <tr><th>Käufer</th><td>@Model.ImportedInvoice.BuyerName</td></tr>
            <tr><th>Währung</th><td>@Model.ImportedInvoice.CurrencyCode</td></tr>
            <tr><th>Steuerbetrag</th><td>@Model.ImportedInvoice.TaxAmount.ToString("N2")</td></tr>
            <tr><th>Gesamtbetrag</th><td><strong>@Model.ImportedInvoice.TotalAmount.ToString("N2")</strong></td></tr>
            <tr><th>IBAN</th><td>@Model.ImportedInvoice.Iban</td></tr>
            <tr><th>Importiert am</th><td>@Model.ImportedInvoice.ImportedAt.ToString("dd.MM.yyyy HH:mm")</td></tr>
        </table>
        <div class="alert alert-success mt-2">✔ Rechnung wurde in der Datenbank gespeichert (ID: @Model.ImportedInvoice.Id)</div>
    }
}