@extends('layouts.app')

@section('title', 'Reporte de Inventario')

@section('content')
<div class="container-fluid py-4">
    <!-- Header -->
    <div class="d-flex justify-content-between align-items-center mb-4">
        <div>
            <h1 class="h3 mb-1 text-dark">
                <i class="fas fa-boxes me-2 text-primary"></i>Reporte de Inventario
            </h1>
            <p class="text-muted mb-0 small">Análisis detallado del inventario y productos del sistema</p>
        </div>
        <div class="d-flex gap-2">
            <a href="{{ route('admin.reports.export-pdf', 'inventory') }}" class="btn btn-danger btn-sm">
                <i class="fas fa-file-pdf me-2"></i>Exportar PDF
            </a>
            <a href="{{ route('admin.reports.export-excel', 'inventory') }}" class="btn btn-success btn-sm">
                <i class="fas fa-file-excel me-2"></i>Exportar Excel
            </a>
            <a href="{{ route('admin.reports.index') }}" class="btn btn-secondary btn-sm">
                <i class="fas fa-arrow-left me-2"></i>Volver
            </a>
        </div>
    </div>

    <!-- Estadísticas -->
    <div class="row g-3 mb-4">
        <div class="col-xl-3 col-md-6">
            <div class="stat-card stat-card-info">
                <div class="stat-card-icon">
                    <i class="fas fa-boxes"></i>
                </div>
                <div class="stat-card-content">
                    <div class="stat-card-label">Total Productos</div>
                    <div class="stat-card-value">{{ number_format($stats['total_products'] ?? 0) }}</div>
                </div>
            </div>
        </div>
        <div class="col-xl-3 col-md-6">
            <div class="stat-card stat-card-success">
                <div class="stat-card-icon">
                    <i class="fas fa-dollar-sign"></i>
                </div>
                <div class="stat-card-content">
                    <div class="stat-card-label">Valor Total</div>
                    <div class="stat-card-value">${{ number_format($stats['total_value'] ?? 0, 2) }}</div>
                </div>
            </div>
        </div>
        <div class="col-xl-3 col-md-6">
            <div class="stat-card stat-card-warning">
                <div class="stat-card-icon">
                    <i class="fas fa-exclamation-triangle"></i>
                </div>
                <div class="stat-card-content">
                    <div class="stat-card-label">Stock Bajo</div>
                    <div class="stat-card-value">{{ number_format($stats['low_stock_count'] ?? 0) }}</div>
                </div>
            </div>
        </div>
        <div class="col-xl-3 col-md-6">
            <div class="stat-card stat-card-danger">
                <div class="stat-card-icon">
                    <i class="fas fa-times-circle"></i>
                </div>
                <div class="stat-card-content">
                    <div class="stat-card-label">Sin Stock</div>
                    <div class="stat-card-value">{{ number_format($stats['out_of_stock_count'] ?? 0) }}</div>
                </div>
            </div>
        </div>
    </div>

    <!-- Filtros -->
    <div class="card shadow-sm border-0 mb-4">
        <div class="card-header bg-white border-bottom py-3">
            <button class="btn btn-link text-dark text-decoration-none p-0 w-100 text-start" type="button" 
                    data-bs-toggle="collapse" data-bs-target="#filtersCollapse" aria-expanded="true" aria-controls="filtersCollapse">
                <h5 class="mb-0">
                    <i class="fas fa-filter me-2 text-primary"></i>Filtros de Búsqueda
                    <i class="fas fa-chevron-down float-end mt-1"></i>
                </h5>
            </button>
        </div>
        <div class="collapse show" id="filtersCollapse">
            <div class="card-body">
                <form method="GET" action="{{ route('admin.reports.inventory') }}">
                    <div class="row g-3">
                        <div class="col-md-3">
                            <label for="category_id" class="form-label fw-semibold">Categoría</label>
                            <select name="category_id" id="category_id" class="form-select">
                                <option value="">Todas las categorías</option>
                                @foreach($categories as $category)
                                    <option value="{{ $category->id }}" {{ request('category_id') == $category->id ? 'selected' : '' }}>
                                        {{ $category->name }}
                                    </option>
                                @endforeach
                            </select>
                        </div>
                        <div class="col-md-3">
                            <label for="brand_id" class="form-label fw-semibold">Marca</label>
                            <select name="brand_id" id="brand_id" class="form-select">
                                <option value="">Todas las marcas</option>
                                @foreach($brands as $brand)
                                    <option value="{{ $brand->id }}" {{ request('brand_id') == $brand->id ? 'selected' : '' }}>
                                        {{ $brand->name }}
                                    </option>
                                @endforeach
                            </select>
                        </div>
                        <div class="col-md-3">
                            <label for="stock_filter" class="form-label fw-semibold">Filtro de Stock</label>
                            <select name="stock_filter" id="stock_filter" class="form-select">
                                <option value="">Todos</option>
                                <option value="low" {{ request('stock_filter') == 'low' ? 'selected' : '' }}>Stock Bajo</option>
                                <option value="out" {{ request('stock_filter') == 'out' ? 'selected' : '' }}>Sin Stock</option>
                                <option value="high" {{ request('stock_filter') == 'high' ? 'selected' : '' }}>Stock Alto</option>
                            </select>
                        </div>
                        <div class="col-md-3 d-flex align-items-end gap-2">
                            <button type="submit" class="btn btn-primary">
                                <i class="fas fa-search me-1"></i>Filtrar
                            </button>
                            <a href="{{ route('admin.reports.inventory') }}" class="btn btn-secondary">
                                <i class="fas fa-times me-1"></i>Limpiar
                            </a>
                        </div>
                    </div>
                </form>
            </div>
        </div>
    </div>

    <!-- Tabla de Productos -->
    <div class="card shadow-sm border-0">
        <div class="card-header bg-white border-bottom py-3">
            <h5 class="mb-0 text-dark">
                <i class="fas fa-list me-2 text-primary"></i>Productos en Inventario
            </h5>
        </div>
        <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="border-0 ps-4">ID</th>
                            <th class="border-0">Producto</th>
                            <th class="border-0">Categoría</th>
                            <th class="border-0">Marca</th>
                            <th class="border-0 text-center">Stock Total</th>
                            <th class="border-0 text-end">Valor Total</th>
                            <th class="border-0">Estado</th>
                        </tr>
                    </thead>
                    <tbody>
                        @forelse($products as $product)
                            <tr class="table-row-hover">
                                <td class="ps-4">
                                    <span class="badge bg-secondary bg-opacity-10 text-secondary fw-bold">#{{ $product->id }}</span>
                                </td>
                                <td>
                                    <div>
                                        <div class="fw-semibold text-dark mb-1">{{ $product->name }}</div>
                                        @if($product->code)
                                            <small class="text-muted">
                                                <i class="fas fa-barcode me-1"></i>{{ $product->code }}
                                            </small>
                                        @endif
                                    </div>
                                </td>
                                <td>
                                    @if($product->category)
                                        <span class="badge bg-primary px-2 py-1">{{ $product->category->name }}</span>
                                    @else
                                        <span class="text-muted">Sin categoría</span>
                                    @endif
                                </td>
                                <td>
                                    @if($product->brand)
                                        <span class="badge bg-info px-2 py-1">{{ $product->brand->name }}</span>
                                    @else
                                        <span class="text-muted">Sin marca</span>
                                    @endif
                                </td>
                                <td class="text-center">
                                    <span class="badge bg-secondary px-2 py-1">
                                        {{ $product->total_stock ?? 0 }} {{ $product->unit_of_measure ?? 'u' }}
                                    </span>
                                </td>
                                <td class="text-end">
                                    @php
                                        $totalValue = $product->stocks->sum(function($stock) { 
                                            return ($stock->quantity ?? 0) * ($stock->cost_price ?? 0); 
                                        });
                                    @endphp
                                    <span class="fw-bold text-success">${{ number_format($totalValue, 2) }}</span>
                                </td>
                                <td>
                                    @php
                                        $stockTotal = $product->total_stock ?? 0;
                                        if($stockTotal <= 0) {
                                            $statusConfig = ['class' => 'danger', 'icon' => 'times-circle', 'label' => 'Sin Stock'];
                                        } elseif($stockTotal <= ($product->stock_min ?? 0)) {
                                            $statusConfig = ['class' => 'warning', 'icon' => 'exclamation-triangle', 'label' => 'Stock Bajo'];
                                        } elseif($stockTotal >= ($product->stock_max ?? 999999999)) {
                                            $statusConfig = ['class' => 'info', 'icon' => 'arrow-up', 'label' => 'Stock Alto'];
                                        } else {
                                            $statusConfig = ['class' => 'success', 'icon' => 'check-circle', 'label' => 'Normal'];
                                        }
                                    @endphp
                                    <span class="badge bg-{{ $statusConfig['class'] }} px-3 py-2">
                                        <i class="fas fa-{{ $statusConfig['icon'] }} me-1"></i>{{ $statusConfig['label'] }}
                                    </span>
                                </td>
                            </tr>
                        @empty
                            <tr>
                                <td colspan="7" class="text-center py-5">
                                    <div class="empty-state">
                                        <i class="fas fa-boxes fa-4x text-muted mb-3"></i>
                                        <h5 class="text-muted">No hay productos en el inventario</h5>
                                        <p class="text-muted mb-0">Los productos aparecerán aquí</p>
                                    </div>
                                </td>
                            </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>
        </div>
        @if($products->hasPages())
            <div class="card-footer bg-white border-top py-3">
                <div class="d-flex justify-content-center">
                    {{ $products->appends(request()->query())->links() }}
                </div>
            </div>
        @endif
    </div>
</div>

@push('styles')
<style>
    /* Estilos para las tarjetas de estadísticas */
    .stat-card {
        background: white;
        border-radius: 12px;
        padding: 1.5rem;
        display: flex;
        align-items: center;
        gap: 1rem;
        box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        transition: all 0.3s ease;
        border-left: 4px solid;
        height: 100%;
    }

    .stat-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0,0,0,0.12);
    }

    .stat-card-info {
        border-left-color: #17a2b8;
    }

    .stat-card-success {
        border-left-color: #28a745;
    }

    .stat-card-warning {
        border-left-color: #ffc107;
    }

    .stat-card-danger {
        border-left-color: #dc3545;
    }

    .stat-card-icon {
        width: 60px;
        height: 60px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        flex-shrink: 0;
    }

    .stat-card-info .stat-card-icon {
        background: rgba(23, 162, 184, 0.1);
        color: #17a2b8;
    }

    .stat-card-success .stat-card-icon {
        background: rgba(40, 167, 69, 0.1);
        color: #28a745;
    }

    .stat-card-warning .stat-card-icon {
        background: rgba(255, 193, 7, 0.1);
        color: #ffc107;
    }

    .stat-card-danger .stat-card-icon {
        background: rgba(220, 53, 69, 0.1);
        color: #dc3545;
    }

    .stat-card-label {
        font-size: 0.875rem;
        color: #6c757d;
        font-weight: 500;
        margin-bottom: 0.25rem;
    }

    .stat-card-value {
        font-size: 1.75rem;
        font-weight: 700;
        color: #2c3e50;
        line-height: 1;
    }

    /* Estilos para la tabla */
    .table thead th {
        font-weight: 600;
        font-size: 0.875rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: #495057;
        padding: 1rem;
    }

    .table tbody td {
        padding: 1rem;
        vertical-align: middle;
    }

    .table-row-hover {
        transition: background-color 0.2s ease;
    }

    .table-row-hover:hover {
        background-color: #f8f9fa;
    }

    .empty-state {
        padding: 2rem;
    }

    .card {
        border-radius: 12px;
        overflow: hidden;
    }

    .badge {
        font-weight: 500;
        letter-spacing: 0.3px;
    }
</style>
@endpush
@endsection