@extends('admin.layout')

@section('title', 'الرئيسية')
@section('header', 'نظرة عامة على النظام')

@section('content')
    <!-- Animated Background -->
    <div class="fixed inset-0 -z-10 overflow-hidden pointer-events-none">
        <div class="absolute top-0 -left-4 w-72 h-72 bg-blue-300 rounded-full mix-blend-multiply filter blur-xl opacity-20 animate-blob"></div>
        <div class="absolute top-0 -right-4 w-72 h-72 bg-purple-300 rounded-full mix-blend-multiply filter blur-xl opacity-20 animate-blob animation-delay-2000"></div>
        <div class="absolute -bottom-8 left-20 w-72 h-72 bg-pink-300 rounded-full mix-blend-multiply filter blur-xl opacity-20 animate-blob animation-delay-4000"></div>
    </div>

    <!-- Stats Grid -->
    <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6 mb-8 animate-fade-in">
        <!-- Students Card -->
        <div class="glass-card rounded-2xl p-6 service-card group hover:shadow-2xl transition-all duration-300">
            <div class="flex items-center justify-between">
                <div>
                    <h3 class="text-gray-600 text-sm font-medium mb-2">إجمالي الطلاب</h3>
                    <div class="text-4xl font-bold bg-gradient-to-r from-blue-600 to-blue-400 bg-clip-text text-transparent">
                        {{ number_format($stats['total_students']) }}
                    </div>
                </div>
                <div class="icon-container relative">
                    <div class="absolute inset-0 bg-blue-500 rounded-2xl opacity-20 blur-lg group-hover:opacity-30 transition-opacity"></div>
                    <div class="relative p-4 bg-gradient-to-br from-blue-500 to-blue-600 rounded-2xl text-white shadow-lg">
                        <svg class="w-8 h-8" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4.354a4 4 0 110 5.292M15 21H3v-1a6 6 0 0112 0v1zm0 0h6v-1a6 6 0 00-9-5.197M13 7a4 4 0 11-8 0 4 4 0 018 0z"/>
                        </svg>
                    </div>
                </div>
            </div>
            <div class="mt-4 flex items-center text-sm">
                <span class="text-green-600 font-semibold flex items-center">
                    <svg class="w-4 h-4 mr-1" fill="currentColor" viewBox="0 0 20 20">
                        <path fill-rule="evenodd" d="M12 7a1 1 0 110-2h5a1 1 0 011 1v5a1 1 0 11-2 0V8.414l-4.293 4.293a1 1 0 01-1.414 0L8 10.414l-4.293 4.293a1 1 0 01-1.414-1.414l5-5a1 1 0 011.414 0L11 10.586 14.586 7H12z" clip-rule="evenodd"/>
                    </svg>
                    +12%
                </span>
                <span class="text-gray-500 mr-2">من الشهر الماضي</span>
            </div>
        </div>

        <!-- Teachers Card -->
        <div class="glass-card rounded-2xl p-6 service-card group hover:shadow-2xl transition-all duration-300">
            <div class="flex items-center justify-between">
                <div>
                    <h3 class="text-gray-600 text-sm font-medium mb-2">إجمالي المعلمين</h3>
                    <div class="text-4xl font-bold bg-gradient-to-r from-indigo-600 to-indigo-400 bg-clip-text text-transparent">
                        {{ number_format($stats['total_teachers']) }}
                    </div>
                </div>
                <div class="icon-container relative">
                    <div class="absolute inset-0 bg-indigo-500 rounded-2xl opacity-20 blur-lg group-hover:opacity-30 transition-opacity"></div>
                    <div class="relative p-4 bg-gradient-to-br from-indigo-500 to-indigo-600 rounded-2xl text-white shadow-lg">
                        <svg class="w-8 h-8" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path d="M12 14l9-5-9-5-9 5 9 5z"/>
                            <path d="M12 14l6.16-3.422a12.083 12.083 0 01.665 6.479A11.952 11.952 0 0012 20.055a11.952 11.952 0 00-6.824-2.998 12.078 12.078 0 01.665-6.479L12 14z"/>
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 14l9-5-9-5-9 5 9 5zm0 0l6.16-3.422a12.083 12.083 0 01.665 6.479A11.952 11.952 0 0012 20.055a11.952 11.952 0 00-6.824-2.998 12.078 12.078 0 01.665-6.479L12 14zm-4 6v-7.5l4-2.222"/>
                        </svg>
                    </div>
                </div>
            </div>
            <div class="mt-4 flex items-center text-sm">
                <span class="text-green-600 font-semibold flex items-center">
                    <svg class="w-4 h-4 mr-1" fill="currentColor" viewBox="0 0 20 20">
                        <path fill-rule="evenodd" d="M12 7a1 1 0 110-2h5a1 1 0 011 1v5a1 1 0 11-2 0V8.414l-4.293 4.293a1 1 0 01-1.414 0L8 10.414l-4.293 4.293a1 1 0 01-1.414-1.414l5-5a1 1 0 011.414 0L11 10.586 14.586 7H12z" clip-rule="evenodd"/>
                    </svg>
                    +8%
                </span>
                <span class="text-gray-500 mr-2">من الشهر الماضي</span>
            </div>
        </div>

        <!-- Schools Card -->
        <div class="glass-card rounded-2xl p-6 service-card group hover:shadow-2xl transition-all duration-300">
            <div class="flex items-center justify-between">
                <div>
                    <h3 class="text-gray-600 text-sm font-medium mb-2">إجمالي المدارس</h3>
                    <div class="text-4xl font-bold bg-gradient-to-r from-green-600 to-green-400 bg-clip-text text-transparent">
                        {{ $stats['total_schools'] }}
                    </div>
                </div>
                <div class="icon-container relative">
                    <div class="absolute inset-0 bg-green-500 rounded-2xl opacity-20 blur-lg group-hover:opacity-30 transition-opacity"></div>
                    <div class="relative p-4 bg-gradient-to-br from-green-500 to-green-600 rounded-2xl text-white shadow-lg">
                        <svg class="w-8 h-8" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4"/>
                        </svg>
                    </div>
                </div>
            </div>
            <div class="mt-4 flex gap-2">
                <span class="bg-green-100 text-green-800 px-3 py-1 rounded-full text-xs font-semibold">
                    نشط: {{ $stats['active_schools'] }}
                </span>
                <span class="bg-yellow-100 text-yellow-800 px-3 py-1 rounded-full text-xs font-semibold">
                    تجريبي: {{ $stats['trial_schools'] }}
                </span>
            </div>
        </div>

        <!-- Premium Card -->
        <div class="glass-card rounded-2xl p-6 service-card group hover:shadow-2xl transition-all duration-300 relative overflow-hidden">
            <div class="absolute inset-0 bg-gradient-to-br from-purple-500/10 to-pink-500/10 opacity-0 group-hover:opacity-100 transition-opacity"></div>
            <div class="relative flex items-center justify-between">
                <div>
                    <h3 class="text-gray-600 text-sm font-medium mb-2">اشتراكات مدفوعة</h3>
                    <div class="text-4xl font-bold bg-gradient-to-r from-purple-600 to-pink-600 bg-clip-text text-transparent">
                        {{ $stats['premium_schools'] }}
                    </div>
                </div>
                <div class="icon-container relative">
                    <div class="absolute inset-0 bg-purple-500 rounded-2xl opacity-20 blur-lg group-hover:opacity-30 transition-opacity"></div>
                    <div class="relative p-4 bg-gradient-to-br from-purple-500 to-pink-600 rounded-2xl text-white shadow-lg">
                        <svg class="w-8 h-8" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 3v4M3 5h4M6 17v4m-2-2h4m5-16l2.286 6.857L21 12l-5.714 2.143L13 21l-2.286-6.857L5 12l5.714-2.143L13 3z"/>
                        </svg>
                    </div>
                </div>
            </div>
            <div class="relative mt-4 flex items-center text-sm">
                <span class="text-purple-600 font-semibold">💎 Premium</span>
            </div>
        </div>
    </div>

    <!-- Analytics Section -->
    <div class="grid grid-cols-1 lg:grid-cols-3 gap-6 mb-8">
        <!-- Revenue Chart -->
        <div class="lg:col-span-2 glass-card rounded-2xl p-6 shadow-xl">
            <div class="flex items-center justify-between mb-6">
                <div>
                    <h3 class="text-xl font-bold text-gray-800">نمو الإيرادات</h3>
                    <p class="text-sm text-gray-500 mt-1">تحليل شهري للأداء المالي</p>
                </div>
                <div class="flex gap-2">
                    <button class="px-4 py-2 bg-blue-100 text-blue-600 rounded-lg text-sm font-semibold hover:bg-blue-200 transition-colors">
                        شهري
                    </button>
                    <button class="px-4 py-2 bg-gray-100 text-gray-600 rounded-lg text-sm font-semibold hover:bg-gray-200 transition-colors">
                        سنوي
                    </button>
                </div>
            </div>
            <div class="relative h-72 w-full">
                <canvas id="revenueChart"></canvas>
            </div>
        </div>

        <!-- Churn Risk -->
        <div class="glass-card rounded-2xl p-6 shadow-xl border-t-4 border-red-500">
            <div class="flex items-center gap-2 mb-4">
                <div class="p-2 bg-red-100 rounded-lg">
                    <svg class="w-5 h-5 text-red-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"/>
                    </svg>
                </div>
                <div>
                    <h3 class="text-lg font-bold text-gray-800">مدارس في خطر</h3>
                    <p class="text-xs text-gray-500">غير نشطة لمدة 30 يوم</p>
                </div>
            </div>
            
            <div class="space-y-3 max-h-64 overflow-y-auto">
                @forelse($churnRiskTenants as $tenant)
                <div class="flex justify-between items-center p-3 bg-gradient-to-r from-red-50 to-orange-50 rounded-xl hover:shadow-md transition-shadow">
                    <div>
                        <div class="font-bold text-gray-800 text-sm">{{ $tenant->name }}</div>
                        <div class="text-xs text-gray-500 mt-1">{{ $tenant->created_at->format('Y-m-d') }}</div>
                    </div>
                    <form action="{{ route('admin.tenants.destroy', $tenant->id) }}" method="POST" onsubmit="return confirm('حذف؟');">
                        @csrf @method('DELETE')
                        <button class="p-2 text-red-600 hover:bg-red-100 rounded-lg transition-colors">
                            <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/>
                            </svg>
                        </button>
                    </form>
                </div>
                @empty
                <div class="text-center py-8">
                    <div class="inline-flex items-center justify-center w-16 h-16 bg-green-100 rounded-full mb-3">
                        <svg class="w-8 h-8 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"/>
                        </svg>
                    </div>
                    <p class="text-gray-600 font-medium">ممتاز!</p>
                    <p class="text-sm text-gray-500">جميع المدارس نشطة</p>
                </div>
                @endforelse
            </div>
        </div>
    </div>

    <!-- Charts & Recent Activity -->
    <div class="grid grid-cols-1 lg:grid-cols-3 gap-6">
        <!-- System Status -->
        <div class="lg:col-span-1 glass-card rounded-2xl p-6 shadow-xl">
            <div class="flex items-center gap-2 mb-6 pb-4 border-b border-gray-200">
                <div class="p-2 bg-blue-100 rounded-lg">
                    <svg class="w-5 h-5 text-blue-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m5.618-4.016A11.955 11.955 0 0112 2.944a11.955 11.955 0 01-8.618 3.04A12.02 12.02 0 003 9c0 5.591 3.824 10.29 9 11.622 5.176-1.332 9-6.03 9-11.622 0-1.042-.133-2.052-.382-3.016z"/>
                    </svg>
                </div>
                <h3 class="text-lg font-bold text-gray-800">حالة النظام</h3>
            </div>
            
            <div class="space-y-3">
                <div class="flex justify-between items-center p-4 bg-gradient-to-r from-gray-50 to-gray-100 rounded-xl hover:shadow-md transition-shadow">
                    <div class="flex items-center gap-3">
                        <div class="w-2 h-2 bg-green-500 rounded-full animate-pulse"></div>
                        <span class="text-gray-700 font-medium">قاعدة البيانات</span>
                    </div>
                    @if($health['database'])
                        <span class="bg-green-100 text-green-800 px-3 py-1 rounded-full text-xs font-bold">Connected</span>
                    @else
                        <span class="bg-red-100 text-red-800 px-3 py-1 rounded-full text-xs font-bold">Error</span>
                    @endif
                </div>

                <div class="flex justify-between items-center p-4 bg-gradient-to-r from-gray-50 to-gray-100 rounded-xl hover:shadow-md transition-shadow">
                    <div class="flex items-center gap-3">
                        <div class="w-2 h-2 bg-green-500 rounded-full animate-pulse"></div>
                        <span class="text-gray-700 font-medium">نظام التخزين</span>
                    </div>
                    @if($health['cache'])
                        <span class="bg-green-100 text-green-800 px-3 py-1 rounded-full text-xs font-bold">Working</span>
                    @else
                        <span class="bg-yellow-100 text-yellow-800 px-3 py-1 rounded-full text-xs font-bold">Issue</span>
                    @endif
                </div>

                <div class="flex justify-between items-center p-4 bg-gradient-to-r from-gray-50 to-gray-100 rounded-xl">
                    <span class="text-gray-700 font-medium">إصدار Laravel</span>
                    <span class="text-blue-600 font-mono text-sm font-bold">{{ app()->version() }}</span>
                </div>

                <div class="flex justify-between items-center p-4 bg-gradient-to-r from-gray-50 to-gray-100 rounded-xl">
                    <span class="text-gray-700 font-medium">إصدار PHP</span>
                    <span class="text-purple-600 font-mono text-sm font-bold">{{ phpversion() }}</span>
                </div>
            </div>
        </div>

        <!-- Recent Tenants -->
        <div class="lg:col-span-2 glass-card rounded-2xl shadow-xl overflow-hidden">
            <div class="p-6 border-b border-gray-200 flex justify-between items-center bg-gradient-to-r from-gray-50 to-white">
                <div>
                    <h3 class="text-xl font-bold text-gray-800">النشاط الأخير</h3>
                    <p class="text-sm text-gray-500 mt-1">آخر المدارس المسجلة</p>
                </div>
                <a href="{{ route('admin.tenants.index') }}" class="btn-premium px-4 py-2 rounded-lg text-white text-sm font-semibold">
                    عرض الكل
                </a>
            </div>
            <div class="overflow-x-auto">
                <table class="w-full text-sm text-right">
                    <thead class="bg-gradient-to-r from-gray-100 to-gray-50 text-gray-700">
                        <tr>
                            <th class="px-6 py-4 font-semibold">المدرسة</th>
                            <th class="px-6 py-4 font-semibold">الخطة</th>
                            <th class="px-6 py-4 font-semibold">آخر نشاط</th>
                            <th class="px-6 py-4 font-semibold">تاريخ التسجيل</th>
                        </tr>
                    </thead>
                    <tbody class="divide-y divide-gray-100">
                        @forelse($recentTenants as $tenant)
                        <tr class="hover:bg-gradient-to-r hover:from-blue-50 hover:to-transparent transition-colors">
                            <td class="px-6 py-4 font-bold text-gray-800">{{ $tenant->name }}</td>
                            <td class="px-6 py-4">
                                @php $planSlug = $tenant->plan?->slug ?? 'none'; $planName = $tenant->plan?->name ?? 'لا يوجد'; @endphp
                                <span class="px-3 py-1 rounded-full text-xs font-semibold
                                    @if($planSlug === 'premium') bg-purple-100 text-purple-800
                                    @elseif($planSlug === 'standard') bg-blue-100 text-blue-800
                                    @elseif($planSlug === 'trial') bg-yellow-100 text-yellow-800
                                    @else bg-gray-100 text-gray-800
                                    @endif">
                                    {{ $planName }}
                                </span>
                            </td>
                            <td class="px-6 py-4 text-gray-600">
                                @if($tenant->last_login_at)
                                    <span class="text-green-600 font-semibold text-xs flex items-center gap-1" dir="ltr">
                                        <div class="w-2 h-2 bg-green-500 rounded-full"></div>
                                        {{ \Carbon\Carbon::parse($tenant->last_login_at)->diffForHumans() }}
                                    </span>
                                @else
                                    <span class="text-gray-400 text-xs">غير متوفر</span>
                                @endif
                            </td>
                            <td class="px-6 py-4 text-gray-500 font-medium" dir="ltr">{{ $tenant->created_at->diffForHumans() }}</td>
                        </tr>
                        @empty
                        <tr>
                            <td colspan="4" class="px-6 py-12 text-center">
                                <div class="inline-flex items-center justify-center w-16 h-16 bg-gray-100 rounded-full mb-3">
                                    <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 13V6a2 2 0 00-2-2H6a2 2 0 00-2 2v7m16 0v5a2 2 0 01-2 2H6a2 2 0 01-2-2v-5m16 0h-2.586a1 1 0 00-.707.293l-2.414 2.414a1 1 0 01-.707.293h-3.172a1 1 0 01-.707-.293l-2.414-2.414A1 1 0 006.586 13H4"/>
                                    </svg>
                                </div>
                                <p class="text-gray-500 font-medium">لا توجد بيانات</p>
                            </td>
                        </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>
        </div>
    </div>

    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
    <script>
        const ctx = document.getElementById('revenueChart').getContext('2d');
        const revenueChart = new Chart(ctx, {
            type: 'line',
            data: {
                labels: ['يناير', 'فبراير', 'مارس', 'أبريل', 'مايو', 'يونيو', 'يوليو', 'أغسطس', 'سبتمبر', 'أكتوبر', 'نوفمبر', 'ديسمبر'],
                datasets: [{
                    label: 'الإيرادات ($)',
                    data: @json($revenueData),
                    borderColor: '#3B82F6',
                    backgroundColor: 'rgba(59, 130, 246, 0.1)',
                    borderWidth: 3,
                    fill: true,
                    tension: 0.4,
                    pointBackgroundColor: '#3B82F6',
                    pointBorderColor: '#fff',
                    pointBorderWidth: 2,
                    pointRadius: 5,
                    pointHoverRadius: 7,
                    pointHoverBackgroundColor: '#2563EB',
                    pointHoverBorderColor: '#fff',
                    pointHoverBorderWidth: 3
                }]
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,
                plugins: {
                    legend: {
                        display: false
                    },
                    tooltip: {
                        backgroundColor: 'rgba(15, 23, 42, 0.9)',
                        padding: 12,
                        borderColor: '#3B82F6',
                        borderWidth: 1,
                        titleColor: '#fff',
                        bodyColor: '#fff',
                        displayColors: false,
                        callbacks: {
                            label: function(context) {
                                return '$' + context.parsed.y.toLocaleString();
                            }
                        }
                    }
                },
                scales: {
                    y: {
                        beginAtZero: true,
                        grid: {
                            color: 'rgba(0, 0, 0, 0.05)',
                            drawBorder: false
                        },
                        ticks: {
                            callback: function(value) {
                                return '$' + value.toLocaleString();
                            },
                            color: '#6B7280',
                            font: {
                                size: 12
                            }
                        }
                    },
                    x: {
                        grid: {
                            display: false,
                            drawBorder: false
                        },
                        ticks: {
                            color: '#6B7280',
                            font: {
                                size: 12
                            }
                        }
                    }
                },
                interaction: {
                    intersect: false,
                    mode: 'index'
                }
            }
        });
    </script>
@endsection