@extends('layouts.app')

@section('content')
<div class="py-8">
    <div class="max-w-7xl mx-auto sm:px-6 lg:px-8">
        <!-- Header -->
        <div class="flex items-center justify-between mb-8">
            <div class="flex items-center space-x-4">
                <a href="{{ route('reports.index') }}" class="text-gray-500 hover:text-gray-700 p-2 rounded-lg hover:bg-gray-100 transition-colors duration-200">
                    <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path>
                    </svg>
                </a>
                <div>
                    <h1 class="text-3xl font-bold text-gray-900">📦 Laporan Stok</h1>
                    <p class="text-gray-600 mt-1">Monitor inventory dan stok produk</p>
                </div>
            </div>
        </div>

        <div class="space-y-6">
            
            <!-- Filter Form -->
            <div class="bg-white overflow-hidden shadow-sm rounded-lg">
                <div class="p-6">
                    <form method="GET" action="{{ route('reports.stock') }}" class="flex flex-col sm:flex-row sm:flex-wrap items-stretch sm:items-end gap-4">
                        <div class="w-full sm:flex-1 min-w-48">
                            <label for="status" class="block text-sm font-medium text-gray-700 mb-1">Status Stok</label>
                            <select name="status" id="status" 
                                    class="w-full rounded-lg border-gray-300 focus:border-purple-500 focus:ring-purple-500">
                                <option value="all" {{ $status == 'all' ? 'selected' : '' }}>Semua Produk</option>
                                <option value="low" {{ $status == 'low' ? 'selected' : '' }}>Stok Rendah</option>
                                <option value="out" {{ $status == 'out' ? 'selected' : '' }}>Stok Habis</option>
                            </select>
                        </div>
                        <div class="flex gap-2 w-full sm:w-auto">
                            <button type="submit" 
                                    class="w-full justify-center flex items-center px-4 py-2 bg-purple-600 hover:bg-purple-700 text-white font-medium rounded-lg transition-colors duration-200">
                                <svg class="w-4 h-4 inline mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"></path>
                                </svg>
                                Filter
                            </button>
                        </div>
                    </form>
                </div>
            </div>

            <!-- Summary Cards -->
            <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
                <div class="bg-white overflow-hidden shadow-sm rounded-lg">
                    <div class="p-4 text-center">
                        <p class="text-sm text-gray-500">Total Produk</p>
                        <p class="text-2xl font-bold text-blue-600">{{ number_format($summary['total_products']) }}</p>
                    </div>
                </div>
                <div class="bg-white overflow-hidden shadow-sm rounded-lg">
                    <div class="p-4 text-center">
                        <p class="text-sm text-gray-500">Stok Normal</p>
                        <p class="text-2xl font-bold text-green-600">{{ number_format($summary['normal_stock_products']) }}</p>
                    </div>
                </div>
                <div class="bg-white overflow-hidden shadow-sm rounded-lg">
                    <div class="p-4 text-center">
                        <p class="text-sm text-gray-500">Stok Rendah</p>
                        <p class="text-2xl font-bold text-yellow-600">{{ number_format($summary['low_stock_products']) }}</p>
                    </div>
                </div>
                <div class="bg-white overflow-hidden shadow-sm rounded-lg">
                    <div class="p-4 text-center">
                        <p class="text-sm text-gray-500">Stok Habis</p>
                        <p class="text-2xl font-bold text-red-600">{{ number_format($summary['out_of_stock_products']) }}</p>
                    </div>
                </div>
            </div>

            <!-- Export Buttons -->
            <div class="bg-white overflow-hidden shadow-sm rounded-lg">
                <div class="p-6">
                    <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between mb-4 gap-4">
                        <h3 class="text-lg font-semibold text-gray-900">Export Laporan</h3>
                        <div class="flex flex-col sm:flex-row gap-2 w-full sm:w-auto">
                            <a href="{{ route('reports.stock', array_merge(request()->query(), ['format' => 'pdf'])) }}" 
                               class="inline-flex items-center justify-center px-4 py-2 bg-red-600 hover:bg-red-700 text-white font-medium rounded-lg transition-colors duration-200">
                                <svg class="w-4 h-4 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 10v6m0 0l-3-3m3 3l3-3m2 8H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"></path>
                                </svg>
                                Download PDF
                            </a>
                            <a href="{{ route('reports.stock', array_merge(request()->query(), ['format' => 'excel'])) }}" 
                               class="inline-flex items-center justify-center px-4 py-2 bg-green-600 hover:bg-green-700 text-white font-medium rounded-lg transition-colors duration-200">
                                <svg class="w-4 h-4 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 10v6m0 0l-3-3m3 3l3-3m2 8H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"></path>
                                </svg>
                                Download Excel
                            </a>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Stock Table -->
            <div class="bg-white overflow-hidden shadow-sm rounded-lg">
                <div class="p-6">
                    <h3 class="text-lg font-semibold text-gray-900 mb-4">
                        Status Stok Produk
                        @if($status !== 'all')
                            <span class="text-sm font-normal text-gray-500">
                                ({{ ucfirst($status === 'low' ? 'Stok Rendah' : 'Stok Habis') }})
                            </span>
                        @endif
                    </h3>
                    <!-- Desktop Table -->
                    <div class="overflow-x-auto hidden md:block">
                        <table class="min-w-full divide-y divide-gray-200">
                            <thead class="bg-gray-50">
                                <tr>
                                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Produk</th>
                                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Kategori</th>
                                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Stok Saat Ini</th>
                                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Stok Minimum</th>
                                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Selisih</th>
                                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Status</th>
                                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Nilai Stok</th>
                                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Prioritas</th>
                                </tr>
                            </thead>
                            <tbody class="bg-white divide-y divide-gray-200">
                                @forelse($products as $product)
                                    @php
                                        $difference = $product->stock - $product->minimum_stock;
                                        $stockValue = $product->stock * $product->selling_price;
                                        $priority = $product->stock <= 0 ? 'Urgent' : ($product->stock <= $product->minimum_stock ? 'Tinggi' : 'Normal');
                                        $priorityColor = $product->stock <= 0 ? 'bg-red-100 text-red-800' : ($product->stock <= $product->minimum_stock ? 'bg-yellow-100 text-yellow-800' : 'bg-green-100 text-green-800');
                                    @endphp
                                    <tr class="hover:bg-gray-50 {{ $product->stock <= 0 ? 'bg-red-50' : ($product->stock <= $product->minimum_stock ? 'bg-yellow-50' : '') }}">
                                        <td class="px-6 py-4 whitespace-nowrap">
                                            <div class="flex items-center">
                                                @if($product->image)
                                                    <img class="h-10 w-10 rounded-lg object-cover mr-3" src="{{ Storage::url($product->image) }}" alt="{{ $product->name }}">
                                                @else
                                                    <div class="h-10 w-10 rounded-lg bg-gray-200 flex items-center justify-center mr-3">
                                                        <svg class="w-6 h-6 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4"></path>
                                                        </svg>
                                                    </div>
                                                @endif
                                                <div>
                                                    <div class="text-sm font-medium text-gray-900">{{ $product->name }}</div>
                                                    <div class="text-sm text-gray-500">{{ $product->barcode }}</div>
                                                </div>
                                            </div>
                                        </td>
                                        <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">
                                            {{ $product->category->name ?? 'Tanpa Kategori' }}
                                        </td>
                                        <td class="px-6 py-4 whitespace-nowrap">
                                            <span class="text-lg font-bold {{ $product->stock <= 0 ? 'text-red-600' : ($product->stock <= $product->minimum_stock ? 'text-yellow-600' : 'text-green-600') }}">
                                                {{ $product->stock }}
                                            </span>
                                        </td>
                                        <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">
                                            {{ $product->minimum_stock }}
                                        </td>
                                        <td class="px-6 py-4 whitespace-nowrap">
                                            <span class="text-sm font-medium {{ $difference < 0 ? 'text-red-600' : ($difference == 0 ? 'text-yellow-600' : 'text-green-600') }}">
                                                {{ $difference >= 0 ? '+' : '' }}{{ $difference }}
                                            </span>
                                        </td>
                                        <td class="px-6 py-4 whitespace-nowrap">
                                            @if($product->stock <= 0)
                                                <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-red-100 text-red-800">
                                                    <svg class="w-3 h-3 mr-1" fill="currentColor" viewBox="0 0 20 20">
                                                        <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z" clip-rule="evenodd"></path>
                                                    </svg>
                                                    Habis
                                                </span>
                                            @elseif($product->stock <= $product->minimum_stock)
                                                <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-yellow-100 text-yellow-800">
                                                    <svg class="w-3 h-3 mr-1" fill="currentColor" viewBox="0 0 20 20">
                                                        <path fill-rule="evenodd" d="M8.257 3.099c.765-1.36 2.722-1.36 3.486 0l5.58 9.92c.75 1.334-.213 2.98-1.742 2.98H4.42c-1.53 0-2.493-1.646-1.743-2.98l5.58-9.92zM11 13a1 1 0 11-2 0 1 1 0 012 0zm-1-8a1 1 0 00-1 1v3a1 1 0 002 0V6a1 1 0 00-1-1z" clip-rule="evenodd"></path>
                                                    </svg>
                                                    Rendah
                                                </span>
                                            @else
                                                <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-green-100 text-green-800">
                                                    <svg class="w-3 h-3 mr-1" fill="currentColor" viewBox="0 0 20 20">
                                                        <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zm3.707-9.293a1 1 0 00-1.414-1.414L9 10.586 7.707 9.293a1 1 0 00-1.414 1.414l2 2a1 1 0 001.414 0l4-4z" clip-rule="evenodd"></path>
                                                    </svg>
                                                    Normal
                                                </span>
                                            @endif
                                        </td>
                                        <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">
                                            Rp {{ number_format($stockValue, 0, ',', '.') }}
                                        </td>
                                        <td class="px-6 py-4 whitespace-nowrap">
                                            <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium {{ $priorityColor }}">
                                                {{ $priority }}
                                            </span>
                                        </td>
                                    </tr>
                                @empty
                                    <tr>
                                        <td colspan="8" class="px-6 py-12 text-center text-gray-500">
                                            <svg class="mx-auto h-12 w-12 text-gray-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4" />
                                            </svg>
                                            <h3 class="mt-2 text-sm font-medium text-gray-900">Tidak ada produk</h3>
                                            <p class="mt-1 text-sm text-gray-500">Tidak ada produk yang sesuai dengan filter status stok.</p>
                                        </td>
                                    </tr>
                                @endforelse
                            </tbody>
                        </table>
                    </div>

                    <!-- Mobile Cards -->
                    <div class="md:hidden space-y-4">
                        @forelse($products as $product)
                            @php
                                $difference = $product->stock - $product->minimum_stock;
                                $stockValue = $product->stock * $product->selling_price;
                                $priority = $product->stock <= 0 ? 'Urgent' : ($product->stock <= $product->minimum_stock ? 'Tinggi' : 'Normal');
                                $priorityColor = $product->stock <= 0 ? 'bg-red-100 text-red-800' : ($product->stock <= $product->minimum_stock ? 'bg-yellow-100 text-yellow-800' : 'bg-green-100 text-green-800');
                            @endphp
                            <div class="bg-white rounded-xl shadow-md border {{ $product->stock <= 0 ? 'border-red-300' : ($product->stock <= $product->minimum_stock ? 'border-yellow-300' : 'border-gray-200') }} p-4">
                                <div class="flex items-start gap-4">
                                    @if($product->image)
                                        <img class="h-16 w-16 rounded-lg object-cover" src="{{ Storage::url($product->image) }}" alt="{{ $product->name }}">
                                    @else
                                        <div class="h-16 w-16 rounded-lg bg-gray-200 flex items-center justify-center">
                                            <svg class="w-8 h-8 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4"></path></svg>
                                        </div>
                                    @endif
                                    <div class="flex-1">
                                        <div class="flex justify-between items-start">
                                            <div>
                                                <p class="font-bold text-gray-900">{{ $product->name }}</p>
                                                <p class="text-sm text-gray-500">{{ $product->category->name ?? 'N/A' }}</p>
                                            </div>
                                            <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium {{ $priorityColor }}">
                                                {{ $priority }}
                                            </span>
                                        </div>
                                    </div>
                                </div>

                                <div class="mt-4 pt-4 border-t border-gray-200 text-sm space-y-2">
                                    <div class="flex justify-between items-center">
                                        <p class="text-gray-500">Stok</p>
                                        <div class="text-right">
                                            <p class="font-bold text-lg {{ $product->stock <= 0 ? 'text-red-600' : ($product->stock <= $product->minimum_stock ? 'text-yellow-600' : 'text-green-600') }}">{{ $product->stock }}</p>
                                            <p class="text-xs text-gray-500">Min: {{ $product->minimum_stock }}</p>
                                        </div>
                                    </div>
                                    <div class="flex justify-between">
                                        <p class="text-gray-500">Selisih</p>
                                        <p class="font-medium {{ $difference < 0 ? 'text-red-600' : ($difference == 0 ? 'text-yellow-600' : 'text-green-600') }}">{{ $difference >= 0 ? '+' : '' }}{{ $difference }}</p>
                                    </div>
                                    <div class="flex justify-between border-t pt-2 mt-2">
                                        <p class="text-gray-500">Nilai Stok (Jual)</p>
                                        <p class="font-bold">Rp {{ number_format($stockValue, 0, ',', '.') }}</p>
                                    </div>
                                </div>
                            </div>
                        @empty
                            <div class="text-center py-8">
                                <svg class="mx-auto h-12 w-12 text-gray-400" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4" /></svg>
                                <h3 class="mt-2 text-sm font-medium text-gray-900">Tidak ada produk</h3>
                                <p class="mt-1 text-sm text-gray-500">Tidak ada produk yang sesuai dengan filter.</p>
                            </div>
                        @endforelse
                    </div>
                </div>
            </div>

        </div>
    </div>
</div>
@endsection