@extends('admin.layouts.app')

@section('title', 'Stock Report')

@section('content')
<div class="space-y-6">
    <!-- Page Header -->
    <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between">
        <div>
            <h1 class="text-2xl font-bold text-slate-800 dark:text-white">Stock Report</h1>
            <p class="mt-1 text-sm text-slate-500 dark:text-slate-400">Monitor your inventory levels and stock value</p>
        </div>
        <div class="mt-4 sm:mt-0 flex space-x-3">
            <button onclick="window.print()" class="px-4 py-2 bg-slate-100 dark:bg-slate-700 text-slate-700 dark:text-slate-300 rounded-xl text-sm font-medium hover:bg-slate-200 dark:hover:bg-slate-600 transition-colors flex items-center">
                <i data-lucide="printer" class="w-4 h-4 mr-2"></i>
                Print
            </button>
            <a href="{{ route('admin.reports.stock', ['export' => 'csv']) }}" class="px-4 py-2 bg-indigo-600 text-white rounded-xl text-sm font-medium hover:bg-indigo-700 transition-colors flex items-center">
                <i data-lucide="download" class="w-4 h-4 mr-2"></i>
                Export CSV
            </a>
        </div>
    </div>

    <!-- Summary Cards -->
    <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4 lg:gap-6">
        <!-- Total Products -->
        <div class="bg-white dark:bg-slate-800 rounded-2xl shadow-sm border border-slate-200 dark:border-slate-700 p-6">
            <div class="flex items-center justify-between">
                <div>
                    <p class="text-sm font-medium text-slate-500 dark:text-slate-400">Total Products</p>
                    <p class="text-3xl font-bold text-slate-800 dark:text-white mt-1">{{ number_format($summary['total_products']) }}</p>
                </div>
                <div class="p-4 bg-indigo-50 dark:bg-indigo-900/30 rounded-2xl">
                    <i data-lucide="package" class="w-8 h-8 text-indigo-600 dark:text-indigo-400"></i>
                </div>
            </div>
        </div>

        <!-- Low Stock -->
        <div class="bg-white dark:bg-slate-800 rounded-2xl shadow-sm border border-slate-200 dark:border-slate-700 p-6">
            <div class="flex items-center justify-between">
                <div>
                    <p class="text-sm font-medium text-slate-500 dark:text-slate-400">Low Stock</p>
                    <p class="text-3xl font-bold text-amber-600 dark:text-amber-400 mt-1">{{ number_format($summary['low_stock']) }}</p>
                    <p class="text-xs text-slate-500 mt-1">≤ {{ $lowStockThreshold }} units</p>
                </div>
                <div class="p-4 bg-amber-50 dark:bg-amber-900/30 rounded-2xl">
                    <i data-lucide="alert-triangle" class="w-8 h-8 text-amber-600 dark:text-amber-400"></i>
                </div>
            </div>
        </div>

        <!-- Out of Stock -->
        <div class="bg-white dark:bg-slate-800 rounded-2xl shadow-sm border border-slate-200 dark:border-slate-700 p-6">
            <div class="flex items-center justify-between">
                <div>
                    <p class="text-sm font-medium text-slate-500 dark:text-slate-400">Out of Stock</p>
                    <p class="text-3xl font-bold text-red-600 dark:text-red-400 mt-1">{{ number_format($summary['out_of_stock']) }}</p>
                </div>
                <div class="p-4 bg-red-50 dark:bg-red-900/30 rounded-2xl">
                    <i data-lucide="x-circle" class="w-8 h-8 text-red-600 dark:text-red-400"></i>
                </div>
            </div>
        </div>

        <!-- Total Stock Value -->
        <div class="bg-white dark:bg-slate-800 rounded-2xl shadow-sm border border-slate-200 dark:border-slate-700 p-6">
            <div class="flex items-center justify-between">
                <div>
                    <p class="text-sm font-medium text-slate-500 dark:text-slate-400">Stock Value</p>
                    <p class="text-3xl font-bold text-emerald-600 dark:text-emerald-400 mt-1">৳{{ number_format($summary['total_value']) }}</p>
                </div>
                <div class="p-4 bg-emerald-50 dark:bg-emerald-900/30 rounded-2xl">
                    <i data-lucide="wallet" class="w-8 h-8 text-emerald-600 dark:text-emerald-400"></i>
                </div>
            </div>
        </div>
    </div>

    <!-- Stock Distribution Chart -->
    <div class="grid grid-cols-1 lg:grid-cols-2 gap-6">
        <div class="bg-white dark:bg-slate-800 rounded-2xl shadow-sm border border-slate-200 dark:border-slate-700 p-6">
            <h3 class="text-lg font-semibold text-slate-800 dark:text-white mb-4">Stock Status Distribution</h3>
            <div class="h-64">
                <canvas id="stockStatusChart"></canvas>
            </div>
        </div>
        
        <div class="bg-white dark:bg-slate-800 rounded-2xl shadow-sm border border-slate-200 dark:border-slate-700 p-6">
            <h3 class="text-lg font-semibold text-slate-800 dark:text-white mb-4">Quick Stats</h3>
            <div class="space-y-4">
                <div class="flex items-center justify-between p-4 bg-emerald-50 dark:bg-emerald-900/20 rounded-xl">
                    <div class="flex items-center">
                        <div class="w-3 h-3 bg-emerald-500 rounded-full mr-3"></div>
                        <span class="text-slate-700 dark:text-slate-300">In Stock</span>
                    </div>
                    <span class="font-semibold text-emerald-600 dark:text-emerald-400">{{ $summary['total_products'] - $summary['low_stock'] - $summary['out_of_stock'] }}</span>
                </div>
                <div class="flex items-center justify-between p-4 bg-amber-50 dark:bg-amber-900/20 rounded-xl">
                    <div class="flex items-center">
                        <div class="w-3 h-3 bg-amber-500 rounded-full mr-3"></div>
                        <span class="text-slate-700 dark:text-slate-300">Low Stock</span>
                    </div>
                    <span class="font-semibold text-amber-600 dark:text-amber-400">{{ $summary['low_stock'] }}</span>
                </div>
                <div class="flex items-center justify-between p-4 bg-red-50 dark:bg-red-900/20 rounded-xl">
                    <div class="flex items-center">
                        <div class="w-3 h-3 bg-red-500 rounded-full mr-3"></div>
                        <span class="text-slate-700 dark:text-slate-300">Out of Stock</span>
                    </div>
                    <span class="font-semibold text-red-600 dark:text-red-400">{{ $summary['out_of_stock'] }}</span>
                </div>
            </div>
        </div>
    </div>

    <!-- Filters -->
    <div class="bg-white dark:bg-slate-800 rounded-2xl shadow-sm border border-slate-200 dark:border-slate-700 p-4">
        <form action="{{ route('admin.reports.stock') }}" method="GET" class="flex flex-wrap gap-4">
            <div>
                <select name="filter" class="px-4 py-2 bg-slate-50 dark:bg-slate-700 border border-slate-200 dark:border-slate-600 rounded-xl text-sm focus:ring-2 focus:ring-indigo-500">
                    <option value="all" {{ $filter == 'all' ? 'selected' : '' }}>All Products</option>
                    <option value="low" {{ $filter == 'low' ? 'selected' : '' }}>Low Stock Only</option>
                    <option value="out" {{ $filter == 'out' ? 'selected' : '' }}>Out of Stock Only</option>
                </select>
            </div>
            <button type="submit" class="px-4 py-2 bg-indigo-600 text-white rounded-xl text-sm font-medium hover:bg-indigo-700 transition-colors">
                Apply Filter
            </button>
            <a href="{{ route('admin.reports.stock') }}" class="px-4 py-2 bg-slate-100 dark:bg-slate-700 text-slate-700 dark:text-slate-300 rounded-xl text-sm font-medium hover:bg-slate-200 dark:hover:bg-slate-600 transition-colors">
                Reset
            </a>
        </form>
    </div>

    <!-- Products Table -->
    <div class="bg-white dark:bg-slate-800 rounded-2xl shadow-sm border border-slate-200 dark:border-slate-700 overflow-hidden">
        <div class="overflow-x-auto">
            <table class="w-full">
                <thead class="bg-slate-50 dark:bg-slate-700/50">
                    <tr class="text-left text-xs font-medium text-slate-500 dark:text-slate-400 uppercase tracking-wider">
                        <th class="px-6 py-4">Product</th>
                        <th class="px-6 py-4">SKU</th>
                        <th class="px-6 py-4">Category</th>
                        <th class="px-6 py-4">Stock</th>
                        <th class="px-6 py-4">Price</th>
                        <th class="px-6 py-4">Value</th>
                        <th class="px-6 py-4">Status</th>
                    </tr>
                </thead>
                <tbody class="divide-y divide-slate-200 dark:divide-slate-700">
                    @forelse($products as $product)
                    <tr class="hover:bg-slate-50 dark:hover:bg-slate-700/50 transition-colors">
                        <td class="px-6 py-4">
                            <div class="flex items-center">
                                <div class="w-10 h-10 bg-slate-100 dark:bg-slate-700 rounded-lg flex items-center justify-center mr-3">
                                    <i data-lucide="package" class="w-5 h-5 text-slate-400"></i>
                                </div>
                                <span class="font-medium text-slate-800 dark:text-white">{{ $product->name }}</span>
                            </div>
                        </td>
                        <td class="px-6 py-4 text-slate-600 dark:text-slate-400">{{ $product->sku ?? '-' }}</td>
                        <td class="px-6 py-4 text-slate-600 dark:text-slate-400">{{ $product->category->name ?? '-' }}</td>
                        <td class="px-6 py-4 font-medium {{ $product->stock == 0 ? 'text-red-600' : ($product->stock <= $lowStockThreshold ? 'text-amber-600' : 'text-slate-900 dark:text-white') }}">{{ $product->stock }}</td>
                        <td class="px-6 py-4 text-slate-600 dark:text-slate-400">৳{{ number_format($product->new_price) }}</td>
                        <td class="px-6 py-4 font-medium text-slate-800 dark:text-white">৳{{ number_format($product->stock * $product->new_price) }}</td>
                        <td class="px-6 py-4">
                            @if($product->stock == 0)
                                <span class="px-2.5 py-0.5 rounded-full text-xs font-medium bg-red-100 text-red-800 dark:bg-red-900/30 dark:text-red-400">Out of Stock</span>
                            @elseif($product->stock <= $lowStockThreshold)
                                <span class="px-2.5 py-0.5 rounded-full text-xs font-medium bg-amber-100 text-amber-800 dark:bg-amber-900/30 dark:text-amber-400">Low Stock</span>
                            @else
                                <span class="px-2.5 py-0.5 rounded-full text-xs font-medium bg-emerald-100 text-emerald-800 dark:bg-emerald-900/30 dark:text-emerald-400">In Stock</span>
                            @endif
                        </td>
                    </tr>
                    @empty
                    <tr>
                        <td colspan="7" class="px-6 py-12 text-center">
                            <div class="flex flex-col items-center">
                                <i data-lucide="package" class="w-12 h-12 text-slate-300 dark:text-slate-600 mb-4"></i>
                                <p class="text-slate-500 dark:text-slate-400">No products found</p>
                            </div>
                        </td>
                    </tr>
                    @endforelse
                </tbody>
            </table>
        </div>
        
        @if($products->hasPages())
        <div class="px-6 py-4 border-t border-slate-200 dark:border-slate-700">
            {{ $products->links() }}
        </div>
        @endif
    </div>
</div>
@endsection

@push('scripts')
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<script>
document.addEventListener('DOMContentLoaded', function() {
    const ctx = document.getElementById('stockStatusChart').getContext('2d');
    new Chart(ctx, {
        type: 'doughnut',
        data: {
            labels: ['In Stock', 'Low Stock', 'Out of Stock'],
            datasets: [{
                data: [
                    {{ $summary['total_products'] - $summary['low_stock'] - $summary['out_of_stock'] }},
                    {{ $summary['low_stock'] }},
                    {{ $summary['out_of_stock'] }}
                ],
                backgroundColor: ['#22c55e', '#f59e0b', '#ef4444'],
                borderWidth: 0
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            plugins: {
                legend: {
                    position: 'bottom',
                    labels: { padding: 20 }
                }
            },
            cutout: '70%'
        }
    });
});
</script>
@endpush