@extends('layouts.app', ['title' => 'Rechnungswesen | Kostenstellen'])
@section('content')

    {{-- ── Neue Kostenstelle ──────────────────────────────────────────── --}}
    <div class="modal fade" id="new-item" data-bs-backdrop="static" data-bs-keyboard="false"
        tabindex="-1" aria-hidden="true">
        <div class="modal-dialog modal-dialog-centered modal-lg">
            <div class="modal-content border-0 shadow">
                <form action="{{ route('accounting.cost-center.create') }}" method="POST" novalidate>
                    @csrf
                    <div class="modal-header border-0 pb-0">
                        <h5 class="modal-title fw-semibold">
                            <i class="bi bi-plus-circle me-2 text-success"></i>Neue Kostenstelle
                        </h5>
                        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                    </div>
                    <div class="modal-body pt-2">
                        <div class="row g-3">
                            <div class="col-md-7">
                                <label class="form-label fw-semibold">Kostenstellengruppe <span class="text-danger">*</span></label>
                                <select name="ccg" id="ccg" class="form-select" onchange="getNext(this)" required>
                                    <option value="" disabled selected>— bitte auswählen —</option>
                                    @foreach ($itemg as $item)
                                        <option value="{{ $item->id }}">{{ $item->number }} – {{ $item->title }}</option>
                                    @endforeach
                                </select>
                            </div>
                            <div class="col-md-5">
                                <label class="form-label fw-semibold">Kostenstellennummer</label>
                                <input type="text" class="form-control bg-light" id="number" name="number"
                                    list="datalistOptions" autocomplete="off" required readonly>
                                <datalist id="datalistOptions">
                                    @foreach ($items as $item)
                                        <option>{{ $item->number }}</option>
                                    @endforeach
                                </datalist>
                                <div class="form-text">Wird automatisch befüllt</div>
                            </div>
                            <div class="col-12">
                                <label class="form-label fw-semibold">Name <span class="text-danger">*</span></label>
                                <input type="text" class="form-control" id="name" name="name" required>
                            </div>
                            <div class="col-12">
                                <label class="form-label fw-semibold">Beschreibung</label>
                                <textarea class="form-control" name="description" id="description" rows="3"></textarea>
                            </div>
                        </div>
                    </div>
                    <div class="modal-footer border-0">
                        <button type="button" class="btn btn-outline-secondary rounded-pill px-4"
                            data-bs-dismiss="modal">Abbrechen</button>
                        <button type="submit" class="btn btn-success rounded-pill px-4">
                            <i class="bi bi-check-lg me-1"></i>Speichern
                        </button>
                    </div>
                </form>
            </div>
        </div>
    </div>

    {{-- ── Bearbeiten ─────────────────────────────────────────────────── --}}
    <div class="modal fade" id="edit-modal" data-bs-backdrop="static" data-bs-keyboard="false"
        tabindex="-1" aria-hidden="true">
        <div class="modal-dialog modal-dialog-centered">
            <div class="modal-content border-0 shadow">
                <form action="{{ route('accounting.cost-center.update') }}" method="POST" novalidate>
                    @csrf
                    <input id="id-edit" name="id-edit" value="" hidden>
                    <div class="modal-header border-0 pb-0">
                        <h5 class="modal-title fw-semibold">
                            <i class="bi bi-pencil-square me-2 text-primary"></i>Kostenstelle bearbeiten
                        </h5>
                        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                    </div>
                    <div class="modal-body pt-2">
                        <div class="row g-3">
                            <div class="col-md-4">
                                <label class="form-label fw-semibold">Nummer</label>
                                <input type="text" class="form-control" id="number-edit" name="number-edit" required>
                            </div>
                            <div class="col-md-8">
                                <label class="form-label fw-semibold">Name</label>
                                <input type="text" class="form-control" id="name-edit" name="name-edit" required>
                            </div>
                            <div class="col-12">
                                <label class="form-label fw-semibold">Beschreibung</label>
                                <textarea class="form-control" name="desc-edit" id="desc-edit" rows="4"></textarea>
                            </div>
                        </div>
                    </div>
                    <div class="modal-footer border-0">
                        <button type="button" class="btn btn-outline-secondary rounded-pill px-4"
                            data-bs-dismiss="modal">Abbrechen</button>
                        <button type="submit" class="btn btn-primary rounded-pill px-4">
                            <i class="bi bi-check-lg me-1"></i>Aktualisieren
                        </button>
                    </div>
                </form>
            </div>
        </div>
    </div>

    {{-- ── Anzeigen ───────────────────────────────────────────────────── --}}
    <div class="modal fade" id="show-modal" data-bs-backdrop="static" data-bs-keyboard="false"
        tabindex="-1" aria-hidden="true">
        <div class="modal-dialog modal-dialog-centered">
            <div class="modal-content border-0 shadow">
                <div class="modal-header border-0 pb-0">
                    <h5 class="modal-title fw-semibold">
                        <i class="bi bi-eye me-2 text-secondary"></i>Kostenstelle
                    </h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                </div>
                <div class="modal-body pt-2">
                    <div class="row g-3">
                        <div class="col-md-4">
                            <label class="form-label fw-semibold">Nummer</label>
                            <input type="text" class="form-control" id="number-show" disabled>
                        </div>
                        <div class="col-md-8">
                            <label class="form-label fw-semibold">Name</label>
                            <input type="text" class="form-control" id="name-show" disabled>
                        </div>
                        <div class="col-12">
                            <label class="form-label fw-semibold">Beschreibung</label>
                            <textarea class="form-control" id="desc-show" rows="4" disabled></textarea>
                        </div>
                    </div>
                </div>
                <div class="modal-footer border-0">
                    <button type="button" class="btn btn-outline-secondary rounded-pill px-4"
                        data-bs-dismiss="modal">Schließen</button>
                </div>
            </div>
        </div>
    </div>

    {{-- ── Löschen ────────────────────────────────────────────────────── --}}
    <div class="modal fade" id="delete-item" data-bs-backdrop="static" data-bs-keyboard="false"
        tabindex="-1" aria-hidden="true">
        <div class="modal-dialog modal-dialog-centered">
            <div class="modal-content border-0 shadow">
                <form action="{{ route('accounting.cost-center.delete') }}" method="POST">
                    @csrf
                    <input id="id" name="id" value="" hidden>
                    <div class="modal-header border-0 pb-0">
                        <h5 class="modal-title fw-semibold text-danger">
                            <i class="bi bi-trash me-2"></i>Kostenstelle löschen
                        </h5>
                        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                    </div>
                    <div class="modal-body text-center py-4">
                        <i class="bi bi-exclamation-triangle-fill text-warning fs-1 mb-3 d-block"></i>
                        <p class="mb-0">Möchten Sie diese Kostenstelle wirklich löschen?</p>
                        <p class="fw-semibold" id="delete-item-name"></p>
                    </div>
                    <div class="modal-footer border-0">
                        <button type="button" class="btn btn-outline-secondary rounded-pill px-4"
                            data-bs-dismiss="modal">Abbrechen</button>
                        <button type="submit" class="btn btn-danger rounded-pill px-4">
                            <i class="bi bi-trash me-1"></i>Löschen
                        </button>
                    </div>
                </form>
            </div>
        </div>
    </div>

    {{-- ── Main Content ───────────────────────────────────────────────── --}}
    <div class="container-fluid py-4" style="max-width:1200px;">

        {{-- Alerts --}}
        @if (session('error'))
            <div class="alert alert-danger alert-dismissible fade show" role="alert">
                <i class="bi bi-x-circle me-2"></i>{{ session('error') }}
                @if(session('error1'))<br>{{ session('error1') }}@endif
                @if(session('error2'))<br>{{ session('error2') }}@endif
                <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
            </div>
        @endif
        @if (session('msg'))
            <div class="alert alert-success alert-dismissible fade show" role="alert">
                <i class="bi bi-check-circle me-2"></i>{{ session('msg') }}
                <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
            </div>
        @endif

        {{-- Header --}}
        <div class="d-flex align-items-center justify-content-between mb-4">
            <div>
                <h4 class="fw-bold mb-0">
                    <i class="bi bi-grid-3x3-gap me-2 text-secondary"></i>Kostenstellen
                </h4>
                <p class="text-muted small mb-0">{{ $items->total() }} Kostenstellen gesamt</p>
            </div>
            @if (Auth::user()->get_employee->is_sysadmin)
                <button type="button" class="btn btn-success rounded-pill px-3" data-bs-toggle="modal"
                    data-bs-target="#new-item">
                    <i class="bi bi-plus-lg me-1"></i>Neue Kostenstelle
                </button>
            @endif
        </div>

        {{-- Search + Filter --}}
        <div class="card border-0 shadow-sm mb-4">
            <div class="card-body py-3">
                <form action="{{ route('accounting.cost-center.index') }}" method="get">
                    <div class="row g-2 align-items-center">
                      
                        <div class="col-md-4">
                            <form action="{{ route('accounting.cost-center.index') }}" method="get" id="filterform">
                                <select name="gfilter" id="gfilter" class="form-select"
                                    onchange="document.getElementById('filterform').submit()">
                                    <option value="">Alle Gruppen</option>
                                    @foreach ($itemg as $item)
                                        <option value="{{ $item->id }}"
                                            {{ request('gfilter') == $item->id ? 'selected' : '' }}>
                                            {{ $item->number }} – {{ $item->title }}
                                        </option>
                                    @endforeach
                                </select>
                            </form>
                        </div>
                          <div class="col-md-7">
                            <div class="input-group">
                                <span class="input-group-text bg-white border-end-0">
                                    <i class="bi bi-search text-muted"></i>
                                </span>
                                <input type="text" class="form-control border-start-0 ps-0"
                                    placeholder="Suche nach Kostenstelle..." name="name"
                                    value="{{ request('name') }}">
                                <button class="btn btn-primary rounded-end-pill px-4" type="submit">Suchen</button>
                            </div>
                        </div>
                    </div>
                </form>
            </div>
        </div>

        {{-- Table --}}
        <div class="card border-0 shadow-sm">
            <div class="card-body p-0">
                <div class="table-responsive">
                    <table class="table table-hover align-middle mb-0">
                        <thead class="table-light">
                            <tr>
                                <th class="ps-4" style="width:130px;">
                                    <form action="{{ route('accounting.cost-center.sort') }}" method="post" class="d-inline">
                                        @csrf
                                        <input type="hidden" name="sort" value="number">
                                        <button type="submit" class="btn btn-link btn-sm text-muted p-0 text-decoration-none">
                                            Kst.Nr.
                                            @if (Session::get('costcenter_sort') == 'number')
                                                <i class="bi bi-sort-numeric-{{ Session::get('costcenter_sort_range') == 'asc' ? 'down' : 'up' }}"></i>
                                            @else
                                                <i class="bi bi-chevron-expand opacity-50"></i>
                                            @endif
                                        </button>
                                    </form>
                                </th>
                                <th>
                                    <form action="{{ route('accounting.cost-center.sort') }}" method="post" class="d-inline">
                                        @csrf
                                        <input type="hidden" name="sort" value="name">
                                        <button type="submit" class="btn btn-link btn-sm text-muted p-0 text-decoration-none">
                                            Name
                                            @if (Session::get('costcenter_sort') == 'name')
                                                <i class="bi bi-sort-alpha-{{ Session::get('costcenter_sort_range') == 'asc' ? 'down' : 'up' }}"></i>
                                            @else
                                                <i class="bi bi-chevron-expand opacity-50"></i>
                                            @endif
                                        </button>
                                    </form>
                                </th>
                                <th>Beschreibung</th>
                                <th>Kst.Gruppe</th>
                                @if (Auth::user()->get_employee->is_sysadmin)
                                    <th class="text-end pe-4" style="width:110px;">Aktion</th>
                                @endif
                            </tr>
                        </thead>
                        <tbody>
                            @forelse ($items as $item)
                                <tr>
                                    <td class="ps-4">
                                        @if ($item->old_number)
                                            <button type="button"
                                                class="btn btn-sm btn-success rounded-pill px-2 me-1"
                                                onclick="showItem({{ $item->id }})">
                                                {{ $item->old_number }}
                                            </button>
                                            <button type="button"
                                                class="btn btn-sm btn-outline-danger rounded-pill px-2"
                                                onclick="showItem({{ $item->id }})">
                                                {{ $item->number }}
                                            </button>
                                        @else
                                            <button type="button"
                                                class="btn btn-sm btn-outline-primary rounded-pill px-3"
                                                onclick="showItem({{ $item->id }})">
                                                {{ $item->number }}
                                            </button>
                                        @endif
                                    </td>
                                    <td class="fw-semibold">
                                        @if (Auth::user()->get_employee->is_acc)
                                            <a href="{{ route('accounting.cost-center.show', ['id' => $item->id]) }}"
                                                class="text-decoration-none text-dark">
                                                {{ $item->name }}
                                            </a>
                                        @else
                                            {{ $item->name }}
                                        @endif
                                    </td>
                                    <td class="small text-muted">
                                        {{ Illuminate\Support\Str::limit($item->description, 100) }}
                                    </td>
                                    <td>
                                        @if (!is_null($item->fk_ccg_id))
                                            <span class="badge bg-secondary bg-opacity-10 text-secondary border">
                                                {{ $item->cost_center_group->number }} – {{ $item->cost_center_group->title }}
                                            </span>
                                        @else
                                            <span class="text-muted">—</span>
                                        @endif
                                    </td>
                                    @if (Auth::user()->get_employee->is_sysadmin)
                                        <td class="text-end pe-4">
                                            <button type="button" title="Bearbeiten"
                                                class="btn btn-sm btn-outline-primary rounded-circle me-1"
                                                onclick="editItem({{ $item->id }})"
                                                style="width:32px;height:32px;">
                                                <i class="bi bi-pencil"></i>
                                            </button>
                                            <button type="button" title="Löschen"
                                                class="btn btn-sm btn-outline-danger rounded-circle delete_btn"
                                                data-id="{{ $item->id }}"
                                                data-name="{{ $item->number }} – {{ $item->name }}"
                                                style="width:32px;height:32px;">
                                                <i class="bi bi-trash"></i>
                                            </button>
                                        </td>
                                    @endif
                                </tr>
                            @empty
                                <tr>
                                    <td colspan="10" class="text-center py-5 text-muted">
                                        <i class="bi bi-inbox fs-2 d-block mb-2"></i>
                                        Keine Kostenstellen gefunden
                                    </td>
                                </tr>
                            @endforelse
                        </tbody>
                    </table>
                </div>
            </div>
            @if ($items->hasPages())
                <div class="card-footer bg-white border-0 d-flex justify-content-center py-3">
                    {!! $items->links() !!}
                </div>
            @endif
        </div>

    </div>

    <script>
        $(document).on('click', '.delete_btn', function () {
            $('#id').val($(this).data('id'));
            $('#delete-item-name').text($(this).data('name'));
            new bootstrap.Modal(document.getElementById('delete-item')).show();
        });

        function editItem(id) {
            var url = "{{ route('accounting.cost-center.get', ':id') }}".replace(':id', id);
            $.get(url, function (item) {
                $('#id-edit').val(item.id);
                $('#number-edit').val(item.number);
                $('#name-edit').val(item.name);
                $('#desc-edit').val(item.description);
                new bootstrap.Modal(document.getElementById('edit-modal')).show();
            });
        }

        function showItem(id) {
            var url = "{{ route('accounting.cost-center.get', ':id') }}".replace(':id', id);
            $.get(url, function (item) {
                $('#number-show').val(item.number);
                $('#name-show').val(item.name);
                $('#desc-show').val(item.description);
                new bootstrap.Modal(document.getElementById('show-modal')).show();
            });
        }

        function getNext(el) {
            var url = "{{ route('accounting.cost-center-group.get', ':id') }}".replace(':id', el.value);
            $.get(url, function (item) {
                $('#number').val(item.next_costcenterr_number);
            });
        }
    </script>

@endsection