@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">Wysyłka do KSeF</h1>
                <p class="text-muted mb-0 small">
                    Zaznacz faktury, które chcesz wysłać do KSeF – system wyśle je, a następnie pobierze UPO (jeśli dostępne).
                </p>
            </div>

            <div class="erp-page-actions">
                <a href="{{ route('faktury.index') }}" class="btn btn-outline-secondary btn-sm">
                    <i class="bi bi-arrow-left me-1"></i> Powrót do listy faktur
                </a>
            </div>
        </div>

        {{-- Komunikaty --}}
        @if(session('success'))
            <div class="alert alert-success alert-dismissible fade show shadow-sm border-0 mb-3" role="alert">
                <div class="d-flex align-items-center">
                    <i class="bi bi-check-circle-fill me-2"></i>
                    <span>{{ session('success') }}</span>
                </div>
                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Zamknij"></button>
            </div>
        @endif

        @if(session('error'))
            <div class="alert alert-danger alert-dismissible fade show shadow-sm border-0 mb-3" role="alert">
                <div class="d-flex align-items-center">
                    <i class="bi bi-exclamation-triangle-fill me-2"></i>
                    <span>{{ session('error') }}</span>
                </div>
                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Zamknij"></button>
            </div>
        @endif

        {{-- FILTRY --}}
        <form method="GET" class="mb-4">
            <div class="invoice-section-soft">
                <div class="d-flex flex-column flex-md-row justify-content-between align-items-md-center mb-2 gap-2">
                    <div class="fw-semibold">
                        <i class="bi bi-funnel me-1"></i> Filtry
                    </div>
                    <div class="text-muted small text-md-end">
                        <i class="bi bi-info-circle"></i>
                        Wyszukujesz wśród faktur lokalnych, które mogą zostać wysłane do KSeF.
                    </div>
                </div>

                <div class="row g-3 align-items-end">
                    <div class="col-md-5 col-lg-4">
                        <label class="form-label form-label-sm mb-1">Szukaj po numerze faktury</label>
                        <div class="input-group input-group-sm">
                            <span class="input-group-text">
                                <i class="bi bi-search"></i>
                            </span>
                            <input name="q"
                                   value="{{ request('q') }}"
                                   class="form-control"
                                   placeholder="np. FV/2025/001">
                        </div>
                    </div>

                    <div class="col-md-3 col-lg-3">
                        <label class="form-label form-label-sm mb-1">Status KSeF</label>
                        <select name="ksef" class="form-select form-select-sm">
                            <option value="">– wszystkie –</option>
                            <option value="sent" @selected(request('ksef')=='sent')>Wysłane (oczekuje na UPO)</option>
                            <option value="upo_ready" @selected(request('ksef')=='upo_ready')>UPO pobrane</option>
                            <option value="error" @selected(request('ksef')=='error')>Błąd</option>
                        </select>
                    </div>

                    <div class="col-md-2 col-lg-2">
                        <button class="btn btn-primary btn-sm w-100">
                            <i class="bi bi-funnel me-1"></i> Filtruj
                        </button>
                    </div>

                    <div class="col-md mt-3 mt-md-0">
                        {{-- miejsce na przyszłe szybkie filtry / tagi --}}
                    </div>
                </div>
            </div>
        </form>

        {{-- GŁÓWNY FORMULARZ: zbiorcza wysyłka + akcje pojedyncze --}}
        <form id="ksef-form" method="POST" action="{{ route('faktury.ksef.sendBulk') }}">
            @csrf

            <div class="erp-content-card card border-0 shadow-sm">
                <div class="card-header bg-white border-0 pb-0">
                    <div class="d-flex flex-column flex-md-row justify-content-between align-items-md-center gap-2">
                        <div class="small text-muted">
                            <span class="fw-semibold">Lista faktur</span>
                            @if($faktury->total())
                                &nbsp;·&nbsp;<span>łącznie <strong>{{ $faktury->total() }}</strong> dokumentów</span>
                            @endif
                        </div>

                        {{-- PRZYCISK ZBIORCZY – zawsze klikalny --}}
                        <button type="submit" class="btn btn-success btn-sm">
                            <i class="bi bi-cloud-upload me-1"></i>
                            Wyślij zaznaczone do KSeF i pobierz UPO
                        </button>
                    </div>
                </div>

                <div class="card-body p-0 mt-3">
                    <div class="table-responsive">
                        <table class="table table-sm table-hover align-middle mb-0">
                            <thead class="table-light">
                            <tr class="text-muted small text-uppercase">
                                <th style="width: 36px;" class="text-center">
                                    <input type="checkbox" id="check-all" class="form-check-input">
                                </th>
                                <th class="text-nowrap">Lp.</th>
                                <th class="text-nowrap">Numer</th>
                                <th class="text-nowrap">Data wystawienia</th>
                                <th class="text-nowrap">Status KSeF</th>
                                <th class="text-nowrap">Sesja</th>
                                <th class="text-nowrap">Ref. faktury</th>
                                <th class="text-nowrap" style="min-width: 260px;">Akcje</th>
                            </tr>
                            </thead>

                            <tbody>
                            @forelse($faktury as $faktura)
                                <tr>
                                    {{-- Checkbox --}}
                                    <td class="text-center">
                                        <input type="checkbox"
                                               class="invoice-checkbox form-check-input"
                                               name="ids[]"
                                               value="{{ $faktura->id }}">
                                    </td>

                                    {{-- Lp. --}}
                                    <td class="small text-muted text-nowrap">
                                        {{ $loop->iteration + ($faktury->currentPage() - 1) * $faktury->perPage() }}
                                    </td>

                                    {{-- Numer --}}
                                    <td style="max-width: 240px;">
                                        <div class="fw-semibold text-truncate" title="{{ $faktura->numer }}">
                                            {{ $faktura->numer }}
                                        </div>
                                    </td>

                                    {{-- Data wystawienia --}}
                                    <td class="text-nowrap">
                                        @if($faktura->data_wystawienia)
                                            <span class="badge bg-light border text-dark fw-normal">
                                                {{ optional($faktura->data_wystawienia)->format('Y-m-d') }}
                                            </span>
                                        @else
                                            <span class="text-muted">—</span>
                                        @endif
                                    </td>

                                    {{-- Status KSeF --}}
                                    <td class="text-nowrap">
                                        @if(!$faktura->ksef_sent)
                                            <span class="badge bg-secondary-subtle text-secondary">
                                                <i class="bi bi-circle me-1"></i> nie wysłano
                                            </span>
                                        @else
                                            @switch($faktura->ksef_status)
                                                @case('upo_ready')
                                                    <span class="badge bg-success-subtle text-success">
                                                        <i class="bi bi-check-circle me-1"></i> UPO pobrane
                                                    </span>
                                                    @break

                                                @case('sent')
                                                    <span class="badge bg-info-subtle text-info">
                                                        <i class="bi bi-cloud-arrow-up me-1"></i> wysłane
                                                    </span>
                                                    @break

                                                @case('error')
                                                    <span class="badge bg-danger-subtle text-danger">
                                                        <i class="bi bi-exclamation-triangle me-1"></i> błąd
                                                    </span>
                                                    @break

                                                @default
                                                    <span class="badge bg-light text-muted">
                                                        {{ $faktura->ksef_status }}
                                                    </span>
                                            @endswitch
                                        @endif
                                    </td>

                                    {{-- Sesja --}}
                                    <td class="small text-muted text-monospace text-truncate" style="max-width: 200px;">
                                        {{ $faktura->ksef_session_reference ?? '–' }}
                                    </td>

                                    {{-- Ref. faktury --}}
                                    <td class="small text-muted text-monospace text-truncate" style="max-width: 200px;">
                                        {{ $faktura->ksef_invoice_reference ?? '–' }}
                                    </td>

                                    {{-- Akcje --}}
                                    <td>
                                        <div class="d-flex flex-wrap gap-1">

                                            {{-- WYŚLIJ POJEDYNCZO --}}
                                            @if(!$faktura->ksef_sent)
                                                <button type="submit"
                                                        class="btn btn-sm btn-primary"
                                                        formaction="{{ route('faktury.ksef.send', $faktura) }}"
                                                        formmethod="POST">
                                                    <i class="bi bi-cloud-upload me-1"></i> Wyślij do KSeF
                                                </button>
                                            @endif

                                            {{-- POBIERZ UPO z KSeF (online) --}}
                                            @if($faktura->ksef_sent && !$faktura->ksef_upo_xml_path)
                                                <button type="submit"
                                                        class="btn btn-sm btn-outline-secondary"
                                                        formaction="{{ route('faktury.ksef.fetchUpo', $faktura) }}"
                                                        formmethod="POST">
                                                    <i class="bi bi-download me-1"></i> Pobierz UPO z KSeF
                                                </button>
                                            @endif

                                            {{-- UPO zapisane w systemie --}}
                                            @if($faktura->ksef_upo_xml_path)
                                                <a href="{{ route('faktury.ksef.downloadUpo', $faktura) }}"
                                                   class="btn btn-sm btn-success">
                                                    <i class="bi bi-file-earmark-code me-1"></i> Pobierz UPO (XML)
                                                </a>
                                            @endif

                                            {{-- XML faktury --}}
                                            <a href="{{ route('faktury.xml', $faktura) }}"
                                               class="btn btn-sm btn-outline-dark">
                                                <i class="bi bi-filetype-xml me-1"></i> XML faktury
                                            </a>

                                        </div>

                                        {{-- komunikat błędu --}}
                                        @if($faktura->ksef_status === 'error' && $faktura->ksef_last_error)
                                            <div class="text-danger small mt-1">
                                                {{ \Illuminate\Support\Str::limit($faktura->ksef_last_error, 160) }}
                                            </div>
                                        @endif
                                    </td>
                                </tr>
                            @empty
                                <tr>
                                    <td colspan="8" class="text-center text-muted py-4">
                                        Brak faktur spełniających kryteria wyszukiwania.
                                    </td>
                                </tr>
                            @endforelse
                            </tbody>
                        </table>
                    </div>
                </div>

                @if($faktury->hasPages())
                    <div class="card-footer bg-white border-0 py-3">
                        <div class="d-flex flex-column flex-md-row justify-content-between align-items-md-center small text-muted gap-2">
                            <div>
                                Łącznie faktur: <strong>{{ $faktury->total() }}</strong>
                            </div>
                            <div class="d-flex justify-content-md-end justify-content-center w-100 w-md-auto">
                                {{ $faktury->onEachSide(1)->links('pagination::bootstrap-5') }}
                            </div>
                        </div>
                    </div>
                @endif
            </div>
        </form>

    </div>
</div>
@endsection

@push('scripts')
<script>
    document.addEventListener('DOMContentLoaded', function () {
        const checkAll = document.getElementById('check-all');
        const checkboxes = document.querySelectorAll('.invoice-checkbox');

        if (!checkAll) return;

        checkAll.addEventListener('change', function () {
            checkboxes.forEach(cb => cb.checked = checkAll.checked);
        });
    });
</script>
@endpush