@extends('layouts.app')

@section('content')
<div class="min-h-screen bg-gradient-to-br from-slate-50 to-slate-100 py-8 px-4 md:px-8">
    <div class="max-w-7xl mx-auto">
        <div class="mb-8">
            <div class="flex items-center justify-between mb-6">
                <div>
                    <h1 class="text-3xl font-bold text-black mb-2">📊 تقرير المصروفات حسب فئة مركز التكلفة</h1>
                    <p class="text-black">تجميع المصروفات حسب الفئة وتحليلها</p>
                </div>
                <div class="flex gap-2">
                    <a href="{{ request()->fullUrlWithQuery(['export' => 1]) }}" class="inline-flex items-center px-4 py-2 bg-green-600 text-white font-semibold rounded-lg hover:bg-green-700 transition-all duration-200 shadow-md">
                        <i class="fas fa-file-excel ml-2"></i>
                        <span>تصدير Excel</span>
                    </a>
                    <a href="{{ route('reports.cost-center') }}" class="inline-flex items-center px-4 py-2 bg-gray-600 text-white font-semibold rounded-lg hover:bg-gray-700 transition-all duration-200 shadow-md">
                        <i class="fas fa-arrow-right ml-2"></i>
                        <span>رجوع</span>
                    </a>
                </div>
            </div>

            <!-- Filters -->
            <div class="bg-white rounded-xl shadow-md p-6 mb-8 border border-gray-200">
                <form action="{{ route('reports.cost-center.expenses-by-category') }}" method="GET" class="grid grid-cols-1 md:grid-cols-3 gap-4">
                    <div>
                        <label class="block text-sm font-medium text-black mb-1">من تاريخ</label>
                        <input type="date" name="date_from" value="{{ $filters['date_from'] ?? '' }}" class="w-full rounded-lg border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500">
                    </div>
                    <div>
                        <label class="block text-sm font-medium text-black mb-1">إلى تاريخ</label>
                        <input type="date" name="date_to" value="{{ $filters['date_to'] ?? '' }}" class="w-full rounded-lg border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500">
                    </div>
                    <div class="flex items-end">
                        <button type="submit" class="w-full bg-blue-600 text-white px-4 py-2 rounded-lg hover:bg-blue-700 transition-colors shadow-sm font-semibold">
                            <i class="fas fa-filter ml-2"></i> تصفية
                        </button>
                    </div>
                </form>
            </div>
        </div>

        @if(empty($report))
        <div class="bg-white rounded-xl shadow-lg p-12 text-center border border-gray-200">
            <i class="fas fa-inbox text-black text-5xl mb-4"></i>
            <p class="text-black font-medium text-lg">لا توجد بيانات للعرض</p>
        </div>
        @else
        <div class="grid grid-cols-1 lg:grid-cols-3 gap-6 mb-8">
            <div class="bg-white rounded-xl shadow-lg p-6 border border-gray-200 lg:col-span-2">
                <h3 class="text-lg font-semibold text-black mb-6">تحليل المصروفات حسب الفئة</h3>
                <div class="h-80">
                    <canvas id="categoryChart"></canvas>
                </div>
            </div>

            <div class="bg-white rounded-xl shadow-lg p-6 border border-gray-200">
                <h3 class="text-lg font-semibold text-black mb-4">ملخص الأرقام</h3>
                <div class="space-y-4">
                    <div class="p-4 bg-blue-50 rounded-lg">
                        <p class="text-sm text-blue-600 mb-1">إجمالي المصروفات</p>
                        <p class="text-2xl font-bold text-blue-900">{{ number_format($total_all, 2) }} ر.س</p>
                    </div>
                </div>
            </div>
        </div>

        <div class="bg-white rounded-xl shadow-lg overflow-hidden border border-gray-200">
            <div class="overflow-x-auto">
                <table class="w-full text-right">
                    <thead class="bg-gray-800 text-white">
                        <tr>
                            <th class="px-6 py-4 font-semibold text-sm">الفئة</th>
                            <th class="px-6 py-4 font-semibold text-sm text-center">إجمالي المصروفات</th>
                            <th class="px-6 py-4 font-semibold text-sm text-center">النسبة من الإجمالي</th>
                        </tr>
                    </thead>
                    <tbody class="divide-y divide-gray-200">
                        @foreach($report as $item)
                        <tr class="hover:bg-gray-50 transition-colors">
                            <td class="px-6 py-4 font-medium text-black">{{ $item['category_name'] }}</td>
                            <td class="px-6 py-4 text-center font-bold text-black">
                                {{ number_format($item['total_expenses'], 2) }} ر.س
                            </td>
                            <td class="px-6 py-4 text-center">
                                <div class="flex items-center justify-center gap-4">
                                    <div class="w-32 bg-gray-200 rounded-full h-2">
                                        <div class="bg-cyan-600 h-2 rounded-full" style="width: {{ $item['percentage'] }}%"></div>
                                    </div>
                                    <span class="text-sm font-semibold text-cyan-700">{{ $item['percentage'] }}%</span>
                                </div>
                            </td>
                        </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>
        </div>
        @endif
    </div>
</div>

@if(!empty($report))
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<script>
    const ctx = document.getElementById('categoryChart').getContext('2d');
    new Chart(ctx, {
        type: 'pie',
        data: {
            labels: {!! json_encode(collect($report)->pluck('category_name')) !!},
            datasets: [{
                data: {!! json_encode(collect($report)->pluck('total_expenses')) !!},
                backgroundColor: ['#06B6D4', '#8B5CF6', '#EC4899', '#4F46E5', '#10B981', '#F59E0B', '#EF4444'],
                borderWidth: 1
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            plugins: {
                legend: { position: 'bottom' }
            }
        }
    });
</script>
@endif
@endsection