nomina_ventas/resources/views/settings/isr/index.blade.php

<div class="row">
    <div class="col-12">
        <h4 class="mb-3">
            <i class="bi bi-calculator text-primary"></i> Tablas ISR
        </h4>
    </div>
</div>

<!-- Lista de Tablas ISR -->
<div class="card mb-3">
    <div class="card-header bg-primary text-white">
        <div class="d-flex justify-content-between align-items-center">
            <h6 class="mb-0">
                <i class="bi bi-table"></i> Tablas ISR Existentes
            </h6>
            <span class="badge bg-light text-dark">{{ $isrTables->count() }} tabla(s)</span>
        </div>
    </div>
    <div class="card-body">
        @if($isrTables->isEmpty())
            <div class="alert alert-info mb-0">
                <i class="bi bi-info-circle"></i> No hay tablas ISR configuradas. Crea una nueva tabla para comenzar.
            </div>
        @else
            <div class="table-responsive">
                <table class="table table-hover mb-0">
                    <thead class="table-light">
                        <tr>
                            <th>Año</th>
                            <th>Brackets</th>
                            <th>Última Actualización</th>
                            <th class="text-center">Acciones</th>
                        </tr>
                    </thead>
                    <tbody>
                        @foreach($isrTables as $table)
                        <tr>
                            <td>
                                <span class="badge bg-primary fs-6">{{ $table->year }}</span>
                            </td>
                            <td>
                                <span class="text-muted">{{ $table->brackets->count() }} rango(s)</span>
                            </td>
                            <td>
                                <small class="text-muted">
                                    @if($table->brackets->isNotEmpty())
                                        {{ $table->brackets->max('updated_at')->format('d/m/Y H:i') }}
                                    @else
                                        <em>Sin datos</em>
                                    @endif
                                </small>
                            </td>
                            <td class="text-center">
                                <div class="btn-group btn-group-sm" role="group">
                                    <a href="{{ route('settings.isr.edit', $table) }}" class="btn btn-primary" title="Editar">
                                        <i class="bi bi-pencil"></i> Editar
                                    </a>
                                    <form method="POST" action="{{ route('settings.isr.destroy', $table) }}" class="d-inline" onsubmit="return confirm('¿Estás seguro de eliminar la tabla ISR {{ $table->year }}?')">
                                        @csrf
                                        @method('DELETE')
                                        <button type="submit" class="btn btn-danger" title="Eliminar">
                                            <i class="bi bi-trash"></i> Eliminar
                                        </button>
                                    </form>
                                    <button type="button" class="btn btn-success" onclick="showUploadModal({{ $table->id }}, {{ $table->year }})" title="Subir CSV">
                                        <i class="bi bi-upload"></i> Subir CSV
                                    </button>
                                </div>
                            </td>
                        </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>
        @endif
    </div>
</div>

<!-- Crear Nueva Tabla ISR -->
<div class="card">
    <div class="card-header bg-success text-white">
        <h6 class="mb-0">
            <i class="bi bi-plus-circle"></i> Nueva Tabla ISR
        </h6>
    </div>
    <div class="card-body">
        <form method="POST" action="{{ route('settings.isr.store') }}">
            @csrf
            
            <div class="row">
                <div class="col-md-4">
                    <div class="mb-3">
                        <label for="year" class="form-label">Año</label>
                        <input type="number" class="form-control @error('year') is-invalid @enderror" 
                               id="isr_year" name="year" 
                               value="{{ old('year', now()->year) }}"
                               min="2000" max="2100" 
                               placeholder="Ej: 2026" required>
                        @error('year')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                        <small class="text-muted">Año para el cual aplica la tabla de ISR</small>
                    </div>
                </div>
                <div class="col-md-4 d-flex align-items-end">
                    <div class="mb-3">
                        <button type="submit" class="btn btn-success">
                            <i class="bi bi-plus-circle"></i> Nueva Tabla ISR
                        </button>
                    </div>
                </div>
            </div>
        </form>
    </div>
</div>

<!-- Modal Subir CSV -->
<div class="modal fade" id="uploadCsvModal" tabindex="-1" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header bg-success text-white">
                <h5 class="modal-title">
                    <i class="bi bi-upload"></i> Subir CSV - Año <span id="modalYear"></span>
                </h5>
                <button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Cerrar"></button>
            </div>
            <form method="POST" id="uploadCsvForm" enctype="multipart/form-data">
                @csrf
                <div class="modal-body">
                    <div class="mb-3">
                        <label for="csv_file" class="form-label">Archivo CSV</label>
                        <input type="file" class="form-control @error('csv_file') is-invalid @enderror" 
                               id="csv_file" name="csv_file" 
                               accept=".csv,.txt" required>
                        @error('csv_file')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                        <small class="text-muted">
                            Formato esperado: Límite Inferior, Límite Superior, Cuota Fija, Tasa (%)<br>
                            La primera línea puede contener encabezados (se ignorará).
                        </small>
                    </div>
                    <div class="alert alert-info mb-0">
                        <i class="bi bi-info-circle"></i> 
                        <strong>Nota:</strong> Si la tabla ya tiene datos, estos serán reemplazados por el contenido del CSV.
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancelar</button>
                    <button type="submit" class="btn btn-success">
                        <i class="bi bi-upload"></i> Importar
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>

@push('scripts')
<script>
function showUploadModal(tableId, year) {
    document.getElementById('modalYear').textContent = year;
    document.getElementById('uploadCsvForm').action = '/settings/isr/' + tableId + '/upload';
    
    var modal = new bootstrap.Modal(document.getElementById('uploadCsvModal'));
    modal.show();
}
</script>
@endpush