@extends('layouts.app')

@section('content')
<div class="bg-body-light">
    <div class="content content-full">
        <div class="d-flex flex-column flex-sm-row justify-content-sm-between align-items-sm-center py-2">
            <div class="flex-grow-1">
                <h1 class="h3 fw-bold mb-2">
                    <i class="fa fa-folder-open text-primary me-2"></i>Gestión de Trámites
                </h1>
                <h2 class="fs-base lh-base fw-medium text-muted mb-0">
                    Búsqueda y actualización de estados documentales por cliente y ubicación.
                </h2>
            </div>
        </div>
    </div>
</div>

<div class="content">
    {{-- Notificaciones --}}
    @if(session('success'))
        <div class="alert alert-success d-flex align-items-center mb-4" role="alert">
            <i class="fa fa-check-circle me-2"></i>
            <p class="mb-0">{{ session('success') }}</p>
            <button type="button" class="btn-close ms-auto" data-bs-dismiss="alert"></button>
        </div>
    @endif

    {{-- Filtros de Búsqueda --}}
    <div class="block block-rounded block-bordered shadow-sm">
        <div class="block-content block-content-full bg-body-light">
            <form method="GET" action="{{ route('tramites.index') }}" id="formBusqueda">
                <div class="row g-3 align-items-end">
                    {{-- Urbanización --}}
                    <div class="col-md-3">
                        <label class="form-label fs-xs text-uppercase fw-bold text-muted">Urbanización</label>
                        <select name="urb" id="selUrb" class="form-select form-select-alt fs-sm">
                            <option value="0">--- Todas ---</option>
                            @foreach($urbanizaciones as $u)
                                <option value="{{ $u->id }}" {{ $urb == $u->id ? 'selected' : '' }}>
                                    {{ $u->nombre }}
                                </option>
                            @endforeach
                        </select>
                    </div>

                    {{-- Distrito --}}
                    <div class="col-md-2">
                        <label class="form-label fs-xs text-uppercase fw-bold text-muted">Distrito</label>
                        <select name="dis" id="selDis" class="form-select form-select-alt fs-sm">
                            <option value="0">--- Todos ---</option>
                            @foreach($distritos as $d)
                                <option value="{{ $d->id }}" {{ $dis == $d->id ? 'selected' : '' }}>
                                    {{ $d->nombre }}
                                </option>
                            @endforeach
                        </select>
                    </div>

                    {{-- Manzano --}}
                    <div class="col-md-2">
                        <label class="form-label fs-xs text-uppercase fw-bold text-muted">Manzano / Lote</label>
                        <div class="input-group">
                            <select name="manzano" id="selMan" class="form-select form-select-alt fs-sm">
                                <option value="">Mz.</option>
                                @foreach($manzanos as $m)
                                    <option value="{{ $m }}" {{ $manzano == $m ? 'selected' : '' }}>{{ $m }}</option>
                                @endforeach
                            </select>
                            <input type="text" class="form-control form-control-alt fs-sm" name="cliente" 
                                   value="{{ $cliente }}" placeholder="ID Cliente" style="width: 40%">
                        </div>
                    </div>

                    {{-- Botones --}}
                    <div class="col-md-3 d-flex gap-2">
                        <button type="submit" class="btn btn-primary w-100">
                            <i class="fa fa-search me-1"></i> Buscar
                        </button>
                        <a href="{{ route('tramites.index') }}" class="btn btn-alt-secondary" title="Limpiar">
                            <i class="fa fa-sync-alt"></i>
                        </a>
                    </div>
                </div>
            </form>
        </div>
    </div>

    {{-- Listado de Trámites --}}
    <div class="block block-rounded shadow-sm overflow-hidden">
        <div class="block-header block-header-default">
            <h3 class="block-title">Resultados de Trámites</h3>
            <div class="block-options text-muted fs-xs">
                Total: <strong>{{ $tramites->total() }}</strong> registros
            </div>
        </div>
        <div class="block-content p-0">
            <div class="table-responsive">
                <table class="table table-vcenter table-hover table-striped mb-0 fs-sm">
                    <thead class="bg-body-dark text-uppercase fs-xs">
                        <tr>
                            <th class="text-center" style="width: 80px;">N°</th>
                            <th>Cliente Titular</th>
                            <th>Urbanización</th>
                            <th>Distrito / Sector</th>
                            <th class="text-center" style="width: 80px;">Mz.</th>
                            <th class="text-center" style="width: 80px;">Lote</th>
                            <th class="text-center" style="width: 120px;">Acciones</th>
                        </tr>
                    </thead>
                    <tbody>
                        @forelse($tramites as $tr)
                        <tr>
                            <td class="text-center fw-medium text-muted">#{{ $tr->id }}</td>
                            <td>
                                <div class="fw-bold text-primary">{{ $tr->nom_cliente ?? 'Desconocido' }}</div>
                                <div class="fs-xs text-muted">ID: {{ $tr->idcliente ?? '—' }}</div>
                            </td>
                            <td class="fw-medium">{{ $tr->nom_urb }}</td>
                            <td>
                                <span class="badge bg-body-dark text-dark border">{{ $tr->nom_dis }}</span>
                            </td>
                            <td class="text-center fw-bold">{{ $tr->manzano }}</td>
                            <td class="text-center fw-bold">{{ $tr->lote }}</td>
                            <td class="text-center">
                                <div class="btn-group">
                                    <a href="{{ route('tramites.show', $tr->id) }}"
                                       class="btn btn-sm btn-alt-info" data-bs-toggle="tooltip" title="Ver Detalle">
                                        <i class="fa fa-eye"></i>
                                    </a>
                                    <a href="{{ route('tramites.edit', $tr->id) }}"
                                       class="btn btn-sm btn-alt-warning" data-bs-toggle="tooltip" title="Editar">
                                        <i class="fa fa-pencil-alt"></i>
                                    </a>
                                </div>
                            </td>
                        </tr>
                        @empty
                        <tr>
                            <td colspan="7" class="text-center py-5">
                                <i class="fa fa-folder-open fa-3x text-muted mb-3 opacity-25"></i>
                                <p class="text-muted mb-0">No se encontraron trámites para los criterios ingresados.</p>
                            </td>
                        </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>
        </div>
        @if($tramites->hasPages())
            <div class="block-content block-content-full block-content-sm bg-body-light border-top text-center">
                {{ $tramites->links() }}
            </div>
        @endif
    </div>
</div>

@endsection

@push('scripts')
<script>
// Selects en cascada optimizados
document.getElementById('selUrb').addEventListener('change', async function () {
    const idUrb = this.value;
    const selDis = document.getElementById('selDis');
    const selMan = document.getElementById('selMan');

    selDis.innerHTML = '<option value="0">--- Cargando... ---</option>';
    selMan.innerHTML = '<option value="">Mz.</option>';

    if (idUrb == 0) {
        selDis.innerHTML = '<option value="0">--- Todos ---</option>';
        return;
    }

    try {
        const res  = await fetch(`{{ url('tramites/distritos') }}/${idUrb}`);
        const data = await res.json();
        selDis.innerHTML = '<option value="0">--- Todos ---</option>';
        data.forEach(d => {
            selDis.innerHTML += `<option value="${d.id}">${d.nombre}</option>`;
        });
    } catch (e) {
        selDis.innerHTML = '<option value="0">--- Error ---</option>';
    }
});

document.getElementById('selDis').addEventListener('change', async function () {
    const idDis = this.value;
    const selMan = document.getElementById('selMan');
    selMan.innerHTML = '<option value="">...</option>';
    
    if (idDis == 0) {
        selMan.innerHTML = '<option value="">Mz.</option>';
        return;
    }

    try {
        const res  = await fetch(`{{ url('tramites/manzanos') }}/${idDis}`);
        const data = await res.json();
        selMan.innerHTML = '<option value="">Mz.</option>';
        data.forEach(m => {
            selMan.innerHTML += `<option value="${m}">${m}</option>`;
        });
    } catch (e) {
        selMan.innerHTML = '<option value="">Error</option>';
    }
});
</script>
@endpush