@extends('layouts.app')

@section('title', 'KSeF – Auth & Faktury')

@php
    // dane z uwierzytelniania (kroki 1-3)
    $result = $result ?? session('ksef_result') ?? null;
    $error  = $error  ?? session('ksef_error')  ?? null;

    // dane z wysyłki faktury / UPO (kroki 4-5)
    $invoiceResult = $invoiceResult ?? session('ksef_invoice_result') ?? null;
    $invoiceError  = $invoiceError  ?? session('ksef_invoice_error')  ?? null;

    // lista plików faktur (może być ["FA1.xml","FA2.xml"] albo [["name"=>"FA1.xml"], ...])
    $invoiceFiles = $invoiceFiles ?? [];

    // batch summary (z sendAllInvoices)
    $batch = (is_array($invoiceResult) && isset($invoiceResult['batch'])) ? $invoiceResult['batch'] : null;

    // helper do nazwy pliku niezależnie od formatu
    $fileNameOf = function($file) {
        if (is_array($file)) return $file['name'] ?? ($file['filename'] ?? '');
        return is_string($file) ? basename($file) : '';
    };
@endphp

@section('content')
<div class="container py-4">
    <h1 class="mb-3">KSeF – kroki 1–5</h1>
    <p class="text-muted mb-4">
        1) challenge → 2) unsigned AuthTokenRequest.xml → 3) podpis XAdES + redeem tokenów →
        4) wysyłka faktury XML (szyfrowanie AES/RSA, sesja online) →
        5) pobranie UPO dla wysłanej faktury.
    </p>

    {{-- Błąd auth --}}
    @if (!empty($error))
        <div class="alert alert-danger">
            <strong>Błąd (auth):</strong> {{ $error }}
        </div>
    @endif

    {{-- Błąd faktury / UPO --}}
    @if (!empty($invoiceError))
        <div class="alert alert-danger">
            <strong>Błąd (faktura):</strong> {{ $invoiceError }}
        </div>
    @endif

    {{-- ====================== TRYB WSADOWY: Wyślij WSZYSTKIE ====================== --}}
    <div class="card p-3 mb-4 border-2">
        <div class="d-flex flex-wrap align-items-center justify-content-between gap-2">
            <div>
                <h4 class="mb-1">Tryb wsadowy – Wyślij WSZYSTKIE faktury</h4>
                <p class="text-muted mb-0 small">
                    Uruchamia pełny proces dla każdej faktury z <code>storage/faktury_xml</code>:
                    challenge → unsigned → podpis XAdES → auth+redeem → wysyłka → UPO → zapis → przeniesienie do <code>wyslane/</code>.
                </p>
            </div>
            <form method="post" action="{{ route('ksef.auth.send_all') }}"
                  onsubmit="return confirm('Na pewno wysłać WSZYSTKIE faktury z katalogu?');">
                @csrf
                <button class="btn btn-primary">
                    ▶ Wyślij WSZYSTKIE faktury do KSeF
                </button>
            </form>
        </div>

        {{-- Podsumowanie batcha --}}
        @if ($batch)
            <hr>
            <div class="d-flex flex-wrap align-items-center gap-3 mb-2">
                <span class="badge bg-secondary">Przetworzono: {{ $batch['processed'] ?? 0 }}</span>
                <span class="badge bg-success">Sukcesy: {{ isset($batch['ok']) ? count($batch['ok']) : 0 }}</span>
                <span class="badge bg-danger">Błędy: {{ isset($batch['errors']) ? count($batch['errors']) : 0 }}</span>
            </div>

            @if (!empty($invoiceResult['message']))
                <p class="mb-2">{{ $invoiceResult['message'] }}</p>
            @endif

            @if (!empty($batch['ok']))
                <h6 class="mt-3">Wysłane poprawnie</h6>
                <div class="table-responsive">
                    <table class="table table-sm align-middle">
                        <thead class="table-light">
                        <tr>
                            <th>Plik</th>
                            <th>Session ref</th>
                            <th>Invoice ref</th>
                            <th>Ścieżka UPO</th>
                            <th>Przeniesiono do</th>
                        </tr>
                        </thead>
                        <tbody>
                        @foreach ($batch['ok'] as $ok)
                            <tr>
                                <td><code>{{ $ok['file'] ?? '' }}</code></td>
                                <td><code>{{ $ok['sessionReference'] ?? '' }}</code></td>
                                <td><code>{{ $ok['invoiceReference'] ?? '' }}</code></td>
                                <td class="small"><code>{{ $ok['upoPath'] ?? '' }}</code></td>
                                <td class="small"><code>{{ $ok['movedTo'] ?? '' }}</code></td>
                            </tr>
                        @endforeach
                        </tbody>
                    </table>
                </div>
            @endif

            @if (!empty($batch['errors']))
                <h6 class="mt-3 text-danger">Błędy</h6>
                <div class="table-responsive">
                    <table class="table table-sm align-middle">
                        <thead class="table-light">
                        <tr>
                            <th>Plik</th>
                            <th>Komunikat</th>
                            <th>Trace (dev)</th>
                        </tr>
                        </thead>
                        <tbody>
                        @foreach ($batch['errors'] as $err)
                            <tr>
                                <td><code>{{ $err['file'] ?? '' }}</code></td>
                                <td class="small">{{ $err['error'] ?? '' }}</td>
                                <td class="small">
                                    @if (!empty($err['trace']))
                                        <details class="mb-0"><summary>pokaż</summary><pre class="mb-0 small">{{ $err['trace'] }}</pre></details>
                                    @else
                                        <span class="text-muted">—</span>
                                    @endif
                                </td>
                            </tr>
                        @endforeach
                        </tbody>
                    </table>
                </div>
            @endif
        @endif
    </div>

    {{-- ====================== KROK 1: challenge + unsigned XML ====================== --}}
    <div class="card p-3 mb-4">
        <h4 class="mb-3">Krok 1 – Challenge i utworzenie AuthTokenRequest (unsigned)</h4>

        <p class="text-muted small mb-3">
            Ten krok:
            <br>- pobiera challenge z KSeF,
            <br>- buduje AuthTokenRequest XML na podstawie konfiguracji zapisanej w systemie,
            <br>- zapisuje plik unsigned XML do storage/app.
        </p>

        <form method="post" action="{{ route('ksef.auth.challenge') }}">
            @csrf
            <button class="btn btn-primary">
                1. Pobierz challenge i zbuduj unsigned XML
            </button>
        </form>
    </div>

    {{-- PODGLĄD unsigned XML --}}
    @if (!empty($result) && (isset($result['xml']) || isset($result['storagePath'])))
        <div class="card p-3 mb-4">
            <h5 class="mb-2">Wynik kroku 1 (unsigned XML)</h5>

            <dl class="row">
                @if(isset($result['challenge']))
                    <dt class="col-sm-3">Challenge</dt>
                    <dd class="col-sm-9"><code>{{ $result['challenge'] }}</code></dd>
                @endif

                @if(isset($result['timestamp']))
                    <dt class="col-sm-3">Timestamp (ms)</dt>
                    <dd class="col-sm-9">
                        <code>{{ $result['timestamp'] }}</code>
                        <span class="text-muted">(challenge ważny ~10 min)</span>
                    </dd>
                @endif
            </dl>

            @if(isset($result['xml']))
                <h6>AuthTokenRequest (unsigned)</h6>
                <pre class="bg-light p-3"
                     style="white-space: pre-wrap; word-break: break-word;">{{ $result['xml'] }}</pre>
            @endif

            <div class="d-flex gap-2 flex-wrap">
                @if(isset($result['storagePath']))

                    {{-- Pobierz unsigned plik --}}
                    <form method="post" action="{{ route('download.local') }}">
                        @csrf
                        <input type="hidden" name="path" value="{{ $result['storagePath'] }}">
                        <button class="btn btn-outline-secondary btn-sm">
                            Pobierz unsigned XML
                        </button>
                    </form>

                    {{-- KROK 2: Podpisz XAdES --}}
                    <form method="post" action="{{ route('ksef.auth.sign') }}">
                        @csrf
                        <input type="hidden" name="unsigned_path" value="{{ $result['storagePath'] }}">
                        <button class="btn btn-success btn-sm">
                            2. Podpisz XAdES
                        </button>
                    </form>
                @endif
            </div>
        </div>
    @endif

    {{-- ====================== KROK 2: podpisany XML ====================== --}}
    @if (!empty($result) && isset($result['signedPath']))
        <div class="card p-3 mb-4">
            <h5 class="mb-2">Krok 2 – dokument podpisany XAdES</h5>

            <dl class="row">
                <dt class="col-sm-3">Ścieżka (storage)</dt>
                <dd class="col-sm-9"><code>{{ $result['signedPath'] }}</code></dd>
            </dl>

            @if(isset($result['signedXml']))
                <h6>AuthTokenRequest (XAdES signed)</h6>
                <pre class="bg-light p-3"
                     style="white-space: pre-wrap; word-break: break-word; max-height: 40vh; overflow:auto;">{{ $result['signedXml'] }}</pre>
            @endif

            <div class="d-flex gap-2 flex-wrap">
                {{-- KROK 3: Wyślij podpisany XML do KSeF i zrób redeem --}}
                <form method="post" action="{{ route('ksef.auth.submit') }}">
                    @csrf
                    <input type="hidden" name="signed_path" value="{{ $result['signedPath'] }}">
                    <button class="btn btn-primary btn-sm">
                        3. Wyślij do KSeF (auth) + redeem tokenów
                    </button>
                </form>

                {{-- pobierz podpisany plik --}}
                <form method="post" action="{{ route('download.local') }}">
                    @csrf
                    <input type="hidden" name="path" value="{{ $result['signedPath'] }}">
                    <button class="btn btn-outline-secondary btn-sm">
                        Pobierz podpisany XML
                    </button>
                </form>
            </div>
        </div>
    @endif

    {{-- ====================== KROK 3: tokeny z redeem ====================== --}}
    @if (!empty($result) && (isset($result['authenticationToken']) || isset($result['referenceNumber'])))
        <div class="card p-3 mb-4">
            <h5 class="mb-2">Krok 3 – Wynik uwierzytelnienia (tokeny)</h5>

            <dl class="row">
                @if(isset($result['referenceNumber']))
                    <dt class="col-sm-3">referenceNumber</dt>
                    <dd class="col-sm-9"><code>{{ $result['referenceNumber'] }}</code></dd>
                @endif

                @if(isset($result['authenticationToken']))
                    <dt class="col-sm-3">authenticationToken</dt>
                    <dd class="col-sm-9"><code style="word-break: break-all;">{{ $result['authenticationToken'] }}</code></dd>
                @endif

                @if(isset($result['authenticationTokenValidUntil']))
                    <dt class="col-sm-3">auth token validUntil</dt>
                    <dd class="col-sm-9"><code>{{ $result['authenticationTokenValidUntil'] }}</code></dd>
                @endif

                @if(isset($result['accessToken']))
                    <dt class="col-sm-3">accessToken</dt>
                    <dd class="col-sm-9"><code style="word-break: break-all;">{{ $result['accessToken'] }}</code></dd>
                @endif

                @if(isset($result['accessTokenValidUntil']))
                    <dt class="col-sm-3">accessToken validUntil</dt>
                    <dd class="col-sm-9"><code>{{ $result['accessTokenValidUntil'] }}</code></dd>
                @endif

                @if(isset($result['refreshToken']))
                    <dt class="col-sm-3">refreshToken</dt>
                    <dd class="col-sm-9"><code style="word-break: break-all;">{{ $result['refreshToken'] }}</code></dd>
                @endif

                @if(isset($result['refreshTokenValidUntil']))
                    <dt class="col-sm-3">refreshToken validUntil</dt>
                    <dd class="col-sm-9"><code>{{ $result['refreshTokenValidUntil'] }}</code></dd>
                @endif
            </dl>

            @if(isset($result['raw']))
                <details class="mt-2">
                    <summary>Pełna odpowiedź KSeF (JSON)</summary>
                    <pre class="bg-light p-3 mt-2"
                         style="white-space: pre-wrap; word-break: break-word;">{{ json_encode($result['raw'], JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE) }}</pre>
                </details>
            @endif
        </div>
    @endif

    {{-- ====================== KROK 4: wysyłka faktury do KSeF ====================== --}}
    <div class="card p-3 mb-4">
        <h4 class="mb-3">Krok 4 – Wyślij fakturę XML do KSeF</h4>
        <p class="text-muted">
            Używamy accessToken z kroku 3. Tworzymy sesję online w KSeF,
            szyfrujemy fakturę AES-256, klucz AES szyfrujemy RSA/OAEP kluczem MF,
            wrzucamy fakturę i zamykamy sesję.
        </p>

        {{-- Formularz wyboru faktury --}}
        <form method="post" action="{{ route('ksef.invoice.send') }}" class="row g-3">
            @csrf

            <div class="col-md-8">
                <label class="form-label">Plik faktury (storage/faktury_xml)</label>
                <select name="invoice_file" class="form-select" required>
                    <option value="">-- wybierz fakturę XML --</option>
                    @forelse ($invoiceFiles as $file)
                        @php $name = $fileNameOf($file); @endphp
                        <option value="{{ $name }}">{{ $name }}</option>
                    @empty
                        {{-- bez opcji --}}
                    @endforelse
                </select>
                @if (empty($invoiceFiles))
                    <div class="form-text text-warning">Brak plików w katalogu z fakturami.</div>
                @endif
            </div>

            <div class="col-md-4 d-flex align-items-end">
                <button class="btn btn-warning w-100" {{ empty($invoiceFiles) ? 'disabled' : '' }}>
                    4. Wyślij fakturę do KSeF
                </button>
            </div>
        </form>

        {{-- Wynik wysyłki pojedynczej faktury --}}
        @if (!empty($invoiceResult) && isset($invoiceResult['result']))
            @php
                $r = $invoiceResult['result'];

                $sessionRefForUpo = $r['sessionReferenceNumber'] ?? null;

                $invoiceRefForUpo =
                    $r['detailsSend']['json']['invoiceReferenceNumber']
                    ?? $r['detailsSend']['json']['referenceNumber']
                    ?? $r['detailsSend']['json']['elementReferenceNumber']
                    ?? null;
            @endphp

            <hr class="my-4">

            <h6 class="mb-2">Odpowiedź z KSeF dla faktury {{ $invoiceResult['file'] ?? '' }}</h6>

            <dl class="row">
                @if(isset($r['sessionReferenceNumber']))
                    <dt class="col-sm-4">sessionReferenceNumber</dt>
                    <dd class="col-sm-8"><code>{{ $r['sessionReferenceNumber'] }}</code></dd>
                @endif

                @if(isset($r['statusOpen']))
                    <dt class="col-sm-4">statusOpen (open session)</dt>
                    <dd class="col-sm-8"><code>{{ $r['statusOpen'] }}</code></dd>
                @endif

                @if(isset($r['statusSend']))
                    <dt class="col-sm-4">statusSend (send invoice)</dt>
                    <dd class="col-sm-8"><code>{{ $r['statusSend'] }}</code></dd>
                @endif

                @if(isset($r['statusClose']))
                    <dt class="col-sm-4">statusClose (close session)</dt>
                    <dd class="col-sm-8"><code>{{ $r['statusClose'] }}</code></dd>
                @endif
            </dl>

            <details class="mt-2">
                <summary>Szczegóły wysyłki (JSON)</summary>
                <pre class="bg-light p-3 mt-2"
                     style="white-space: pre-wrap; word-break: break-word; max-height:40vh; overflow:auto;">{{ json_encode($r, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE) }}</pre>
            </details>

            {{-- ====================== KROK 5: Pobranie UPO ====================== --}}
            <hr class="my-4">
            <h6 class="mb-2">Krok 5 – Pobierz UPO dla tej faktury</h6>
            <p class="text-muted small">
                UPO jest dostępne pod
                <code>/api/v2/sessions/{referenceNumber}/invoices/{invoiceReferenceNumber}/upo</code>.
            </p>

            @if($sessionRefForUpo && $invoiceRefForUpo)
                <form method="post" action="{{ route('ksef.invoice.upo') }}"
                      class="border rounded p-3 bg-white mb-3">
                    @csrf
                    <div class="mb-2">
                        <label class="form-label">Numer sesji (referenceNumber)</label>
                        <input type="text" class="form-control" name="session_reference_number" value="{{ $sessionRefForUpo }}">
                    </div>
                    <div class="mb-2">
                        <label class="form-label">Numer faktury (invoiceReferenceNumber)</label>
                        <input type="text" class="form-control" name="invoice_reference_number" value="{{ $invoiceRefForUpo }}">
                    </div>
                    <button class="btn btn-outline-primary btn-sm">5. Pobierz UPO z KSeF</button>
                </form>
            @else
                <div class="alert alert-warning">
                    Nie udało się automatycznie ustalić numeru sesji lub numeru faktury.
                    Wprowadź je ręcznie (z odpowiedzi wysyłki) żeby pobrać UPO.
                </div>

                <form method="post" action="{{ route('ksef.invoice.upo') }}"
                      class="border rounded p-3 bg-white mb-3">
                    @csrf
                    <div class="mb-2">
                        <label class="form-label">Numer sesji (referenceNumber)</label>
                        <input type="text" class="form-control" name="session_reference_number" value="">
                    </div>
                    <div class="mb-2">
                        <label class="form-label">Numer faktury (invoiceReferenceNumber)</label>
                        <input type="text" class="form-control" name="invoice_reference_number" value="">
                    </div>
                    <button class="btn btn-outline-primary btn-sm">5. Pobierz UPO z KSeF</button>
                </form>
            @endif
        @endif
    </div>

    {{-- ====================== PODGLĄD UPO XML ====================== --}}
    @if (!empty($invoiceResult) && isset($invoiceResult['upoXml']))
        <div class="card p-3 mb-4">
            <h5 class="mb-2">UPO faktury (XML z KSeF)</h5>

            <dl class="row">
                @if(isset($invoiceResult['upoSessionReferenceNumber']))
                    <dt class="col-sm-4">Session ref</dt>
                    <dd class="col-sm-8"><code>{{ $invoiceResult['upoSessionReferenceNumber'] }}</code></dd>
                @endif

                @if(isset($invoiceResult['upoInvoiceReferenceNumber']))
                    <dt class="col-sm-4">Invoice ref</dt>
                    <dd class="col-sm-8"><code>{{ $invoiceResult['upoInvoiceReferenceNumber'] }}</code></dd>
                @endif
            </dl>

            <pre class="bg-light p-3"
                 style="white-space: pre-wrap; word-break: break-word; max-height:40vh; overflow:auto;">{{ $invoiceResult['upoXml'] }}</pre>
        </div>
    @endif
</div>
@endsection