@extends('layouts.app')

@section('content')
<div class="container-fluid px-0">
    <div class="module-shell">

        {{-- HEADER --}}
        <div class="erp-page-header mb-4">
            <div>
                <h1 class="h4 mb-1">Faktury w KSeF</h1>
                <p class="text-muted mb-0">
                    Przeglądaj metadane faktur zapisanych w KSeF, filtruj po różnych kryteriach
                    i pobieraj pojedyncze faktury do systemu.
                </p>
            </div>

            <div class="erp-page-actions">
                <div class="btn-group btn-group-sm" role="group">
                    {{-- Ten widok: metadane z KSeF --}}
                    <a href="{{ route('faktury.ksef.pobierz.index') }}"
                       class="btn {{ request()->routeIs('faktury.ksef.pobierz.index') ? 'btn-primary' : 'btn-outline-primary' }}">
                        <i class="bi bi-cloud-search me-1"></i> Metadane KSeF
                    </a>

                    {{-- Drugi widok: zaimportowane do bazy --}}
                    <a href="{{ route('faktury.ksef.pobierz.imported') }}"
                       class="btn {{ request()->routeIs('faktury.ksef.pobierz.imported') ? 'btn-primary' : 'btn-outline-primary' }}">
                        <i class="bi bi-database-check me-1"></i> Zaimportowane
                    </a>

                    {{-- Powrót do listy lokalnych faktur --}}
                    <a href="{{ route('faktury.index') }}"
                       class="btn btn-outline-secondary">
                        <i class="bi bi-receipt me-1"></i> Faktury lokalne
                    </a>
                </div>
            </div>
        </div>

        {{-- KOMUNIKAT O BŁĘDZIE KSEF --}}
        @if(!empty($ksefError))
            <div class="alert alert-danger d-flex align-items-start shadow-sm border-0 mb-4" role="alert">
                <div class="me-2">
                    <span class="d-inline-flex justify-content-center align-items-center rounded-circle bg-white text-danger"
                          style="width: 22px; height: 22px;">
                        <strong>!</strong>
                    </span>
                </div>
                <div>
                    {!! nl2br(e($ksefError)) !!}
                    <div class="mt-2">
                        <button type="button"
                                onclick="window.location.reload()"
                                class="btn btn-sm btn-light border">
                            <i class="bi bi-arrow-clockwise me-1"></i> Spróbuj ponownie
                        </button>
                    </div>
                </div>
            </div>
        @endif

        {{-- FILTRY --}}
        <form method="GET" class="mb-4">

            {{-- SZYBKIE FILTRY --}}
            <div class="invoice-section-soft mb-3">
                <div class="d-flex justify-content-between align-items-center mb-3">
                    <span class="fw-semibold">
                        <i class="bi bi-funnel me-1"></i> Szybkie filtrowanie
                    </span>
                    <small class="text-muted text-end">
                        Domyślnie: <strong>Subject1</strong> &amp; <strong>PermanentStorage</strong>
                        z ostatnich {{ config('ksef.metadata.days_back', 30) }} dni
                    </small>
                </div>

                <div class="row g-3">

                    {{-- Numer faktury --}}
                    <div class="col-md-3">
                        <label class="form-label form-label-sm mb-1">Numer faktury</label>
                        <input type="text"
                               name="invoiceNumber"
                               value="{{ request('invoiceNumber', $filters['invoiceNumber'] ?? '') }}"
                               class="form-control form-control-sm"
                               placeholder="np. FV/1/01/2025">
                    </div>

                    {{-- Numer KSeF --}}
                    <div class="col-md-3">
                        <label class="form-label form-label-sm mb-1">Numer KSeF</label>
                        <input type="text"
                               name="ksefNumber"
                               value="{{ request('ksefNumber', $filters['ksefNumber'] ?? '') }}"
                               class="form-control form-control-sm"
                               placeholder="pełny lub fragment numeru">
                    </div>

                    {{-- Data od --}}
                    <div class="col-md-3">
                        <label class="form-label form-label-sm mb-1">Data od</label>
                        <input type="datetime-local"
                               name="from"
                               value="{{ old('from', \Illuminate\Support\Str::of($filters['dateRange']['from'] ?? '')->limit(16, '')) }}"
                               class="form-control form-control-sm">
                    </div>

                    {{-- Data do --}}
                    <div class="col-md-3">
                        <label class="form-label form-label-sm mb-1">Data do</label>
                        <input type="datetime-local"
                               name="to"
                               value="{{ old('to', \Illuminate\Support\Str::of($filters['dateRange']['to'] ?? '')->limit(16, '')) }}"
                               class="form-control form-control-sm">
                    </div>
                </div>

                <div class="d-flex flex-column flex-md-row justify-content-between align-items-md-center mt-3 gap-2">
                    <div class="text-muted small">
                        <i class="bi bi-info-circle"></i>
                        Zalecane filtrowanie po dacie <strong>PermanentStorage</strong> przy pobieraniu przyrostowym.
                    </div>
                    <div class="btn-group btn-group-sm">
                        <a href="{{ route('faktury.ksef.pobierz.index') }}" class="btn btn-outline-secondary">
                            Wyczyść
                        </a>
                        <button type="submit" class="btn btn-primary">
                            <i class="bi bi-search me-1"></i> Zastosuj filtry
                        </button>
                    </div>
                </div>
            </div>

            {{-- ZAAWANSOWANE FILTRY --}}
            @php
                $hasFilters = collect(request()->except('page'))->isNotEmpty();
            @endphp
            <div class="invoice-section-soft mb-3">
                <div class="d-flex justify-content-between align-items-center">
                    <button class="btn btn-link btn-sm p-0 text-decoration-none" type="button"
                            data-bs-toggle="collapse" data-bs-target="#advancedFilters"
                            aria-expanded="{{ $hasFilters ? 'true' : 'false' }}">
                        <span class="fw-semibold">
                            <i class="bi bi-sliders me-1"></i> Zaawansowane filtry
                        </span>
                        <span class="text-muted small ms-2 d-block d-md-inline">
                            Podmiot, typ dokumentu, kwoty, waluty, załączniki…
                        </span>
                    </button>
                    @if($hasFilters)
                        <span class="badge bg-primary-subtle text-primary small">
                            Aktywne filtry
                        </span>
                    @endif
                </div>

                <div id="advancedFilters"
                     class="collapse {{ $hasFilters ? 'show' : '' }} mt-3">
                    <div class="row g-3">

                        {{-- SubjectType --}}
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Podmiot (subjectType)</label>
                            @php $st = $filters['subjectType'] ?? 'Subject1'; @endphp
                            <select name="subjectType" class="form-select form-select-sm">
                                <option value="">(domyślny: Subject1)</option>
                                <option value="Subject1" @selected($st === 'Subject1')>Subject1 – sprzedawca</option>
                                <option value="Subject2" @selected($st === 'Subject2')>Subject2 – nabywca</option>
                                <option value="Subject3" @selected($st === 'Subject3')>Subject3</option>
                                <option value="SubjectAuthorized" @selected($st === 'SubjectAuthorized')>Podmiot upoważniony</option>
                            </select>
                        </div>

                        {{-- dateType --}}
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Typ daty</label>
                            @php $dt = $filters['dateRange']['dateType'] ?? 'PermanentStorage'; @endphp
                            <select name="dateType" class="form-select form-select-sm">
                                <option value="">(domyślny: PermanentStorage)</option>
                                <option value="PermanentStorage" @selected($dt === 'PermanentStorage')>PermanentStorage</option>
                                <option value="Invoicing" @selected($dt === 'Invoicing')>Invoicing</option>
                                <option value="Issue" @selected($dt === 'Issue')>Issue</option>
                            </select>
                        </div>

                        {{-- sellerNip --}}
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">NIP sprzedawcy</label>
                            <input type="text"
                                   name="sellerNip"
                                   value="{{ request('sellerNip', $filters['sellerNip'] ?? '') }}"
                                   class="form-control form-control-sm"
                                   placeholder="bez znaków specjalnych">
                        </div>

                        {{-- invoicingMode --}}
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Tryb wystawienia</label>
                            @php $im = $filters['invoicingMode'] ?? ''; @endphp
                            <select name="invoicingMode" class="form-select form-select-sm">
                                <option value="">(dowolny)</option>
                                <option value="Online" @selected($im === 'Online')>Online</option>
                                <option value="Offline" @selected($im === 'Offline')>Offline</option>
                            </select>
                        </div>

                        {{-- isSelfInvoicing --}}
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Samofakturowanie</label>
                            @php $si = $filters['isSelfInvoicing'] ?? null; @endphp
                            <select name="isSelfInvoicing" class="form-select form-select-sm">
                                <option value="">(dowolne)</option>
                                <option value="1" @selected($si === true || $si === '1')>Tak</option>
                                <option value="0" @selected($si === false || $si === '0')>Nie</option>
                            </select>
                        </div>

                        {{-- formType --}}
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Typ dokumentu (formType)</label>
                            @php $ft = $filters['formType'] ?? ''; @endphp
                            <select name="formType" class="form-select form-select-sm">
                                <option value="">(dowolny)</option>
                                <option value="FA"  @selected($ft === 'FA')>FA – faktura VAT</option>
                                <option value="PEF" @selected($ft === 'PEF')>PEF</option>
                                <option value="RR"  @selected($ft === 'RR')>RR</option>
                            </select>
                        </div>

                        {{-- invoiceTypes --}}
                        @php $it = $filters['invoiceTypes'] ?? []; @endphp
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Rodzaj faktury</label>
                            <select name="invoiceTypes[]" multiple size="4" class="form-select form-select-sm">
                                @foreach(['Vat','Zal','Kor','Roz','Upr'] as $type)
                                    <option value="{{ $type }}" @selected(in_array($type, $it ?? []))>
                                        {{ $type }}
                                    </option>
                                @endforeach
                            </select>
                            <small class="text-muted">
                                Przytrzymaj Ctrl, aby zaznaczyć kilka.
                            </small>
                        </div>

                        {{-- hasAttachment --}}
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Załącznik</label>
                            @php $ha = $filters['hasAttachment'] ?? null; @endphp
                            <select name="hasAttachment" class="form-select form-select-sm">
                                <option value="">(dowolne)</option>
                                <option value="1" @selected($ha === true || $ha === '1')>Ma załącznik</option>
                                <option value="0" @selected($ha === false || $ha === '0')>Bez załącznika</option>
                            </select>
                        </div>

                        {{-- amount --}}
                        @php $amount = $filters['amount'] ?? null; @endphp
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Kwota – typ</label>
                            <select name="amount_type" class="form-select form-select-sm">
                                <option value="">(brak)</option>
                                <option value="Brutto" @selected(($amount['type'] ?? '') === 'Brutto')>Brutto</option>
                                <option value="Netto"  @selected(($amount['type'] ?? '') === 'Netto')>Netto</option>
                                <option value="Vat"    @selected(($amount['type'] ?? '') === 'Vat')>VAT</option>
                            </select>
                        </div>
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Kwota od</label>
                            <input type="number" step="0.01"
                                   name="amount_from"
                                   value="{{ request('amount_from', $amount['from'] ?? '') }}"
                                   class="form-control form-control-sm">
                        </div>
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Kwota do</label>
                            <input type="number" step="0.01"
                                   name="amount_to"
                                   value="{{ request('amount_to', $amount['to'] ?? '') }}"
                                   class="form-control form-control-sm">
                        </div>

                        {{-- buyerIdentifier --}}
                        @php $buyer = $filters['buyerIdentifier'] ?? null; @endphp
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Identyfikator nabywcy – typ</label>
                            <select name="buyerIdentifier_type" class="form-select form-select-sm">
                                <option value="">(brak)</option>
                                <option value="Nip"   @selected(($buyer['type'] ?? '') === 'Nip')>NIP</option>
                                <option value="VatUe" @selected(($buyer['type'] ?? '') === 'VatUe')>VAT UE</option>
                                <option value="Other" @selected(($buyer['type'] ?? '') === 'Other')>Inny</option>
                                <option value="None"  @selected(($buyer['type'] ?? '') === 'None')>Brak</option>
                            </select>
                        </div>
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Identyfikator nabywcy – wartość</label>
                            <input type="text"
                                   name="buyerIdentifier_value"
                                   value="{{ request('buyerIdentifier_value', $buyer['value'] ?? '') }}"
                                   class="form-control form-control-sm">
                        </div>

                        {{-- currencyCodes --}}
                        @php $curr = $filters['currencyCodes'] ?? []; @endphp
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Waluty</label>
                            <select name="currencyCodes[]" multiple size="3" class="form-select form-select-sm">
                                @foreach(['PLN','EUR','USD'] as $code)
                                    <option value="{{ $code }}" @selected(in_array($code, $curr ?? []))>
                                        {{ $code }}
                                    </option>
                                @endforeach
                            </select>
                            <small class="text-muted">
                                Przytrzymaj Ctrl, aby zaznaczyć kilka.
                            </small>
                        </div>

                        {{-- sort & pageSize --}}
                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Sortowanie</label>
                            <select name="sortOrder" class="form-select form-select-sm">
                                <option value="Asc"  @selected($sortOrder === 'Asc')>Rosnąco</option>
                                <option value="Desc" @selected($sortOrder === 'Desc')>Malejąco</option>
                            </select>
                        </div>

                        <div class="col-md-3">
                            <label class="form-label form-label-sm mb-1">Na stronę</label>
                            <select name="pageSize" class="form-select form-select-sm">
                                @foreach([10,25,50,100,250] as $size)
                                    <option value="{{ $size }}" @selected($pageSize == $size)>{{ $size }}</option>
                                @endforeach
                            </select>
                        </div>

                    </div>
                </div>
            </div>

        </form>

        {{-- TABELA FAKTUR --}}
        <div class="erp-content-card card border-0 shadow-sm mb-4">
            <div class="card-body p-0">
                <div class="table-responsive">
                    <table class="table table-sm table-hover mb-0 align-middle">
                        <thead class="table-light">
                        <tr class="text-muted small text-uppercase">
                            <th class="text-nowrap">Nr KSeF</th>
                            <th class="text-nowrap">Nr faktury</th>
                            <th class="text-nowrap">Data</th>
                            <th class="text-nowrap">Waluta</th>
                            <th class="text-end text-nowrap">Brutto</th>
                            <th class="text-center text-nowrap">Status</th>
                            <th class="text-center text-nowrap">Akcje</th>
                        </tr>
                        </thead>
                        <tbody>
                        @forelse($invoices as $inv)
                            @php
                                $ksefNumber   = $inv['ksefNumber']      ?? '';
                                $invoiceNo    = $inv['invoiceNumber']   ?? '';
                                $issueDate    = $inv['issueDate']       ?? ($inv['invoicingDate'] ?? ($inv['permanentStorageDate'] ?? ''));
                                $currencyCode = $inv['currencyCode']    ?? '';
                                $brutto       = $inv['grossAmount']     ?? ($inv['amountBrutto'] ?? ($inv['amountGross'] ?? ''));
                                $imported     = $importedByKsef->get($ksefNumber) ?? null;
                            @endphp
                            <tr>
                                {{-- Nr KSeF --}}
                                <td class="small text-monospace text-break" style="max-width: 260px;">
                                    {{ $ksefNumber }}
                                </td>

                                {{-- Nr faktury + krótki KSeF --}}
                                <td style="max-width: 220px;">
                                    <div class="fw-semibold text-truncate" title="{{ $invoiceNo ?: '—' }}">
                                        {{ $invoiceNo ?: '—' }}
                                    </div>
                                    @if($ksefNumber)
                                        <div class="text-muted small">
                                            {{ \Illuminate\Support\Str::limit($ksefNumber, 24) }}
                                        </div>
                                    @endif
                                </td>

                                {{-- Data --}}
                                <td class="text-nowrap">
                                    @if($issueDate)
                                        <span class="badge bg-light border text-dark fw-normal">
                                            {{ $issueDate }}
                                        </span>
                                    @else
                                        <span class="text-muted">—</span>
                                    @endif
                                </td>

                                {{-- Waluta --}}
                                <td class="text-nowrap">
                                    @if($currencyCode)
                                        <span class="badge bg-light border text-dark px-3">
                                            {{ $currencyCode }}
                                        </span>
                                    @else
                                        <span class="text-muted">—</span>
                                    @endif
                                </td>

                                {{-- Brutto --}}
                                <td class="text-end text-nowrap">
                                    @if($brutto !== '' && $brutto !== null)
                                        <span class="fw-semibold">
                                            {{ $brutto }}
                                        </span>
                                    @else
                                        <span class="text-muted">—</span>
                                    @endif
                                </td>

                                {{-- Status importu --}}
                                <td class="text-center text-nowrap">
                                    @if($imported)
                                        <span class="badge bg-success-subtle text-success">
                                            <i class="bi bi-check-circle me-1"></i> Zaimportowana
                                        </span>
                                    @else
                                        <span class="badge bg-secondary-subtle text-secondary">
                                            <i class="bi bi-circle me-1"></i> Niezaimportowana
                                        </span>
                                    @endif
                                </td>

                                {{-- Akcje --}}
                                <td class="text-center text-nowrap">
                                    @if($ksefNumber)
                                        <div class="d-inline-flex align-items-center gap-2">

                                            {{-- Link do XML --}}
                                            <a href="{{ route('faktury.ksef.pobierz.downloadXml', $ksefNumber) }}"
                                               class="btn btn-link btn-sm p-0"
                                               title="Pobierz XML z KSeF">
                                                <i class="bi bi-code-slash me-1"></i> XML
                                            </a>

                                            {{-- Import --}}
                                            <form action="{{ route('faktury.ksef.pobierz.import', $ksefNumber) }}"
                                                  method="POST"
                                                  class="d-inline">
                                                @csrf
                                                <button type="submit"
                                                        class="btn btn-sm {{ $imported ? 'btn-outline-secondary' : 'btn-success' }}"
                                                        @if($imported) disabled @endif>
                                                    @if($imported)
                                                        <i class="bi bi-check2-all me-1"></i> Zaimportowana
                                                    @else
                                                        <i class="bi bi-download me-1"></i> Importuj
                                                    @endif
                                                </button>
                                            </form>

                                        </div>
                                    @else
                                        <span class="text-muted small">Brak numeru KSeF</span>
                                    @endif
                                </td>
                            </tr>
                        @empty
                            <tr>
                                <td colspan="7" class="text-center text-muted py-4">
                                    Brak faktur do wyświetlenia dla zadanych kryteriów.
                                </td>
                            </tr>
                        @endforelse
                        </tbody>
                    </table>
                </div>
            </div>
        </div>

        {{-- PAGINACJA (pageOffset) --}}
        <div class="d-flex flex-column flex-md-row justify-content-between align-items-center small text-muted mb-2 gap-2">
            <div class="order-2 order-md-1">
                @if($pageOffset > 0)
                    <a href="{{ request()->fullUrlWithQuery(['page' => max(0, $pageOffset - 1)]) }}"
                       class="btn btn-outline-primary btn-sm">
                        &laquo; Poprzednia strona
                    </a>
                @else
                    <button class="btn btn-outline-secondary btn-sm" disabled>
                        &laquo; Poprzednia strona
                    </button>
                @endif
            </div>
            <div class="order-1 order-md-2">
                Strona: <strong>{{ $pageOffset + 1 }}</strong>
            </div>
            <div class="order-3">
                @if($hasMore)
                    <a href="{{ request()->fullUrlWithQuery(['page' => $pageOffset + 1]) }}"
                       class="btn btn-outline-primary btn-sm">
                        Następna strona &raquo;
                    </a>
                @else
                    <button class="btn btn-outline-secondary btn-sm" disabled>
                        Następna strona &raquo;
                    </button>
                @endif
            </div>
        </div>

    </div>
</div>
@endsection