@extends('layouts.app')

@section('title', 'Análisis de Margen')

@section('content')
<div class="container-fluid">
    <div class="row mb-4">
        <div class="col-12">
            <div class="d-flex justify-content-between align-items-center">
                <h2 class="mb-0">
                    <i class="fas fa-chart-line me-2"></i>Análisis de Margen de Ganancia
                </h2>
                <div>
                    <a href="{{ route('admin.reports.index') }}" class="btn btn-secondary">
                        <i class="fas fa-arrow-left me-2"></i>Volver a Reportes
                    </a>
                    <a href="{{ route('admin.reports.margin-analysis', array_merge(request()->all(), ['export' => 'excel'])) }}" class="btn btn-success">
                        <i class="fas fa-file-excel me-2"></i>Exportar Excel
                    </a>
                    <button onclick="window.print()" class="btn btn-primary">
                        <i class="fas fa-print me-2"></i>Imprimir
                    </button>
                </div>
            </div>
        </div>
    </div>

    <!-- Filtros -->
    <div class="card shadow-sm mb-4">
        <div class="card-header bg-light">
            <h5 class="mb-0">
                <i class="fas fa-filter me-2"></i>Filtros
            </h5>
        </div>
        <div class="card-body">
            <form method="GET" action="{{ route('admin.reports.margin-analysis') }}" class="row g-3">
                <div class="col-md-4">
                    <label for="date_from" class="form-label">Fecha Desde</label>
                    <input type="date" name="date_from" id="date_from" class="form-control" value="{{ $dateFrom ?? '' }}">
                </div>
                <div class="col-md-4">
                    <label for="date_to" class="form-label">Fecha Hasta</label>
                    <input type="date" name="date_to" id="date_to" class="form-control" value="{{ $dateTo ?? '' }}">
                </div>
                <div class="col-md-4 d-flex align-items-end">
                    <button type="submit" class="btn btn-primary me-2">
                        <i class="fas fa-search me-2"></i>Buscar
                    </button>
                    <a href="{{ route('admin.reports.margin-analysis') }}" class="btn btn-secondary">
                        <i class="fas fa-redo me-2"></i>Limpiar
                    </a>
                </div>
            </form>
        </div>
    </div>

    <!-- Resumen -->
    <div class="row mb-4">
        <div class="col-md-3">
            <div class="card shadow-sm border-success">
                <div class="card-header bg-success text-white">
                    <h6 class="mb-0">Ingresos Totales</h6>
                </div>
                <div class="card-body text-center">
                    <h3 class="text-success mb-0">${{ number_format($totalRevenue, 2) }}</h3>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card shadow-sm border-danger">
                <div class="card-header bg-danger text-white">
                    <h6 class="mb-0">Costos Totales</h6>
                </div>
                <div class="card-body text-center">
                    <h3 class="text-danger mb-0">${{ number_format($totalCost, 2) }}</h3>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card shadow-sm border-primary">
                <div class="card-header bg-primary text-white">
                    <h6 class="mb-0">Margen Total</h6>
                </div>
                <div class="card-body text-center">
                    <h3 class="text-primary mb-0">${{ number_format($totalMargin, 2) }}</h3>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card shadow-sm border-info">
                <div class="card-header bg-info text-white">
                    <h6 class="mb-0">Margen %</h6>
                </div>
                <div class="card-body text-center">
                    <h3 class="text-info mb-0">
                        <span class="badge bg-{{ $totalMarginPercentage > 30 ? 'success' : ($totalMarginPercentage > 15 ? 'warning' : 'danger') }} fs-5">
                            {{ number_format($totalMarginPercentage, 2) }}%
                        </span>
                    </h3>
                </div>
            </div>
        </div>
    </div>

    <!-- Tabla de Análisis -->
    <div class="card shadow-sm">
        <div class="card-header bg-light">
            <h5 class="mb-0">
                <i class="fas fa-list me-2"></i>Análisis de Margen por Producto
            </h5>
        </div>
        <div class="card-body p-0">
            <div class="table-responsive">
                <table class="table table-bordered table-striped table-hover mb-0">
                    <thead class="table-dark">
                        <tr>
                            <th>#</th>
                            <th>Producto</th>
                            <th>SKU</th>
                            <th>Categoría</th>
                            <th class="text-end">Cantidad</th>
                            <th class="text-end">Ingresos</th>
                            <th class="text-end">Costos</th>
                            <th class="text-end">Margen</th>
                            <th class="text-end">Margen %</th>
                        </tr>
                    </thead>
                    <tbody>
                        @forelse($productAnalysis as $index => $item)
                            <tr>
                                <td>{{ $index + 1 }}</td>
                                <td>
                                    <strong>{{ $item['product']->name }}</strong>
                                    @if($item['product']->brand)
                                        <br><small class="text-muted">{{ $item['product']->brand->name }}</small>
                                    @endif
                                </td>
                                <td>{{ $item['product']->sku ?? 'N/A' }}</td>
                                <td>{{ $item['product']->category->name ?? 'N/A' }}</td>
                                <td class="text-end">{{ number_format($item['total_quantity'], 2) }}</td>
                                <td class="text-end">${{ number_format($item['total_revenue'], 2) }}</td>
                                <td class="text-end text-danger">${{ number_format($item['total_cost'], 2) }}</td>
                                <td class="text-end">
                                    <strong class="text-{{ $item['total_margin'] > 0 ? 'success' : 'danger' }}">
                                        ${{ number_format($item['total_margin'], 2) }}
                                    </strong>
                                </td>
                                <td class="text-end">
                                    <span class="badge bg-{{ $item['margin_percentage'] > 30 ? 'success' : ($item['margin_percentage'] > 15 ? 'warning' : 'danger') }}">
                                        {{ number_format($item['margin_percentage'], 2) }}%
                                    </span>
                                </td>
                            </tr>
                        @empty
                            <tr>
                                <td colspan="9" class="text-center py-4">
                                    <i class="fas fa-info-circle me-2"></i>No se encontraron ventas en el período seleccionado.
                                </td>
                            </tr>
                        @endforelse
                    </tbody>
                    @if(count($productAnalysis) > 0)
                    <tfoot class="table-light">
                        <tr>
                            <th colspan="4" class="text-end">Totales:</th>
                            <th class="text-end">{{ number_format(array_sum(array_column($productAnalysis, 'total_quantity')), 2) }}</th>
                            <th class="text-end">${{ number_format($totalRevenue, 2) }}</th>
                            <th class="text-end">${{ number_format($totalCost, 2) }}</th>
                            <th class="text-end">${{ number_format($totalMargin, 2) }}</th>
                            <th class="text-end">{{ number_format($totalMarginPercentage, 2) }}%</th>
                        </tr>
                    </tfoot>
                    @endif
                </table>
            </div>
        </div>
    </div>
</div>

<style>
    @media print {
        .btn, .card-header, .navbar, .sidebar {
            display: none !important;
        }
        .card {
            border: none !important;
            box-shadow: none !important;
        }
    }
</style>
@endsection