@extends('layouts.dashboard')

@section('title', 'Administration - Sciences Afrique')
@section('page-title', 'Centre de Administration')
@section('page-subtitle', 'Surveillance en temps réel de votre écosystème universitaire.')

@section('content')
<!-- System Status Banner -->
<x-alert-banner type="success" :dismissible="false">
    <div class="flex items-center gap-3">
        <div class="w-3 h-3 bg-green-500 rounded-full animate-pulse"></div>
        <span class="font-semibold">Tous les systèmes sont opérationnels</span>
        <span class="text-green-600/70 text-sm">• Dernière vérification: il y a 2 minutes</span>
    </div>
</x-alert-banner>

<!-- Stats Overview -->
<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6 mb-10">
    <div class="bg-gradient-to-br from-royal-blue to-royal-blue-light p-6 rounded-2xl shadow-xl shadow-royal-blue/20 text-white relative overflow-hidden">
        <div class="absolute -right-4 -bottom-4 opacity-10">
            <i class="fa-solid fa-users text-8xl"></i>
        </div>
        <span class="text-blue-100/70 font-bold text-xs uppercase tracking-[0.2em] block mb-3">Total Utilisateurs</span>
        <span class="text-4xl font-display font-bold block mb-1">{{ $stats['total_users'] }}</span>
        <span class="text-blue-200 text-sm">+12% ce mois</span>
    </div>
    
    <x-stat-card 
        :value="$stats['total_faculties']" 
        label="Facultés Actives" 
        icon="fa-solid fa-university" 
        color="blue"
    />
    <x-stat-card 
        :value="$stats['total_courses']" 
        label="Cours en Ligne" 
        icon="fa-solid fa-book" 
        color="purple"
        trend="+8 cette semaine"
        :trendUp="true"
    />
    <x-stat-card 
        :value="$stats['total_enrollments']" 
        label="Inscriptions" 
        icon="fa-solid fa-graduation-cap" 
        color="green"
        trend="+25%"
        :trendUp="true"
    />
</div>

<!-- Financial Overview -->
<div class="grid grid-cols-1 md:grid-cols-3 gap-6 mb-10">
    <x-stat-card 
        :value="'€' . number_format($stats['monthly_revenue'] ?? 45000, 0, ',', ' ')" 
        label="Revenus ce Mois" 
        icon="fa-solid fa-euro-sign" 
        color="gold"
        trend="+18%"
        :trendUp="true"
    />
    <x-stat-card 
        :value="$stats['pending_payments'] ?? 23" 
        label="Paiements en Attente" 
        icon="fa-solid fa-clock" 
        color="orange"
    />
    <x-stat-card 
        :value="$stats['active_subscriptions'] ?? 156" 
        label="Abonnements Actifs" 
        icon="fa-solid fa-repeat" 
        color="royal"
    />
</div>

<!-- Main Content Grid -->
<div class="grid grid-cols-1 xl:grid-cols-3 gap-8">
    <!-- Left Column - Charts -->
    <div class="xl:col-span-2 space-y-8">
        <!-- Analytics Charts -->
        <div class="grid grid-cols-1 lg:grid-cols-2 gap-6">
            <div class="bg-white rounded-2xl border border-gray-100 shadow-sm p-6">
                <h3 class="text-lg font-display font-bold text-gray-900 flex items-center gap-3 mb-6">
                    <span class="w-2 h-6 bg-royal-blue rounded-full"></span>
                    Inscriptions Mensuelles
                </h3>
                <div style="height: 250px;">
                    <canvas id="enrollmentsChart"></canvas>
                </div>
            </div>
            
            <div class="bg-white rounded-2xl border border-gray-100 shadow-sm p-6">
                <h3 class="text-lg font-display font-bold text-gray-900 flex items-center gap-3 mb-6">
                    <span class="w-2 h-6 bg-purple-600 rounded-full"></span>
                    Répartition par Faculté
                </h3>
                <div style="height: 250px;">
                    <canvas id="facultiesChart"></canvas>
                </div>
            </div>
        </div>
        
        <!-- Revenue Chart -->
        <div class="bg-white rounded-2xl border border-gray-100 shadow-sm p-6">
            <h3 class="text-lg font-display font-bold text-gray-900 flex items-center gap-3 mb-6">
                <span class="w-2 h-6 bg-green-500 rounded-full"></span>
                Évolution des Revenus
            </h3>
            <div style="height: 300px;">
                <canvas id="revenueChart"></canvas>
            </div>
        </div>

        <!-- Recent Enrollments Table -->
        <div class="bg-white rounded-2xl border border-gray-100 shadow-sm overflow-hidden">
            <div class="p-6 border-b border-gray-100">
                <div class="flex items-center justify-between">
                    <h3 class="text-lg font-display font-bold text-gray-900 flex items-center gap-3">
                        <span class="w-2 h-6 bg-royal-blue rounded-full"></span>
                        Inscriptions Récentes
                    </h3>
                    <a href="{{ route('admin.enrollments.index') }}" class="text-sm font-semibold text-royal-blue hover:text-royal-blue-dark transition-colors">
                        Voir tout →
                    </a>
                </div>
            </div>
            
            <div class="overflow-x-auto">
                <table class="w-full">
                    <thead>
                        <tr class="text-gray-400 uppercase text-[10px] font-black tracking-widest border-b border-gray-100">
                            <th class="py-4 px-6 text-left">Utilisateur</th>
                            <th class="py-4 px-6 text-left">Cours</th>
                            <th class="py-4 px-6 text-left">Date</th>
                            <th class="py-4 px-6 text-right">Statut</th>
                        </tr>
                    </thead>
                    <tbody class="divide-y divide-gray-50">
                        @foreach($stats['latest_enrollments']->take(5) as $enrollment)
                            <tr class="hover:bg-gray-50 transition-colors">
                                <td class="py-4 px-6">
                                    <div class="flex items-center gap-3">
                                        <div class="w-10 h-10 bg-royal-blue/10 rounded-xl flex items-center justify-center">
                                            <span class="font-bold text-royal-blue text-sm">{{ substr($enrollment->user->name, 0, 1) }}</span>
                                        </div>
                                        <span class="font-bold text-gray-900">{{ $enrollment->user->name }}</span>
                                    </div>
                                </td>
                                <td class="py-4 px-6 text-gray-600">{{ Str::limit($enrollment->course->title, 30) }}</td>
                                <td class="py-4 px-6 text-gray-500 text-sm">{{ $enrollment->created_at->diffForHumans() }}</td>
                                <td class="py-4 px-6 text-right">
                                    <span class="inline-flex items-center gap-1 px-3 py-1 bg-green-50 text-green-700 text-[10px] font-bold rounded-lg uppercase">
                                        <span class="w-1.5 h-1.5 bg-green-500 rounded-full"></span>
                                        Actif
                                    </span>
                                </td>
                            </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>
        </div>
    </div>

    <!-- Right Column - Activity & Alerts -->
    <div class="space-y-8">
        <!-- Quick Actions -->
        <div class="bg-gradient-to-br from-royal-blue to-royal-blue-dark rounded-2xl p-6 text-white">
            <h3 class="text-lg font-display font-bold mb-4 flex items-center gap-3">
                <i class="fa-solid fa-bolt text-amber-400"></i>
                Actions Rapides
            </h3>
            <div class="space-y-3">
                <a href="{{ route('admin.students.create') }}" class="flex items-center gap-3 p-3 bg-white/10 rounded-xl hover:bg-white/20 transition-colors">
                    <i class="fa-solid fa-user-plus"></i>
                    <span class="font-semibold">Ajouter un étudiant</span>
                </a>
                <a href="{{ route('admin.courses.create') }}" class="flex items-center gap-3 p-3 bg-white/10 rounded-xl hover:bg-white/20 transition-colors">
                    <i class="fa-solid fa-book"></i>
                    <span class="font-semibold">Créer un cours</span>
                </a>
                <a href="{{ route('admin.teachers.create') }}" class="flex items-center gap-3 p-3 bg-white/10 rounded-xl hover:bg-white/20 transition-colors">
                    <i class="fa-solid fa-chalkboard-teacher"></i>
                    <span class="font-semibold">Ajouter un enseignant</span>
                </a>
            </div>
        </div>

        <!-- System Alerts -->
        <div class="bg-white rounded-2xl border border-gray-100 shadow-sm overflow-hidden">
            <div class="p-6 border-b border-gray-100">
                <h3 class="text-lg font-display font-bold text-gray-900 flex items-center gap-3">
                    <span class="w-2 h-6 bg-red-500 rounded-full"></span>
                    Alertes Système
                </h3>
            </div>
            
            <div class="p-4 space-y-3">
                <div class="p-4 bg-amber-50 border border-amber-200 rounded-xl flex items-start gap-3">
                    <i class="fa-solid fa-exclamation-triangle text-amber-600 mt-0.5"></i>
                    <div>
                        <p class="text-sm font-semibold text-amber-800">3 paiements échoués</p>
                        <p class="text-xs text-amber-600 mt-1">Nécessitent une attention</p>
                    </div>
                </div>
                <div class="p-4 bg-red-50 border border-red-200 rounded-xl flex items-start gap-3">
                    <i class="fa-solid fa-microchip text-red-600 mt-0.5"></i>
                    <div>
                        <p class="text-sm font-semibold text-red-800">Serveur: 85% RAM</p>
                        <p class="text-xs text-red-600 mt-1">Surveillance requise</p>
                    </div>
                </div>
                <div class="p-4 bg-blue-50 border border-blue-200 rounded-xl flex items-start gap-3">
                    <i class="fa-solid fa-file-alt text-blue-600 mt-0.5"></i>
                    <div>
                        <p class="text-sm font-semibold text-blue-800">12 admissions en attente</p>
                        <p class="text-xs text-blue-600 mt-1">À traiter rapidement</p>
                    </div>
                </div>
                <div class="p-4 bg-green-50 border border-green-200 rounded-xl flex items-start gap-3">
                    <i class="fa-solid fa-database text-green-600 mt-0.5"></i>
                    <div>
                        <p class="text-sm font-semibold text-green-800">Backup: OK</p>
                        <p class="text-xs text-green-600 mt-1">Dernier backup: il y a 1h</p>
                    </div>
                </div>
            </div>
        </div>

        <!-- Recent Activity -->
        <div class="bg-white rounded-2xl border border-gray-100 shadow-sm overflow-hidden">
            <div class="p-6 border-b border-gray-100">
                <h3 class="text-lg font-display font-bold text-gray-900 flex items-center gap-3">
                    <span class="w-2 h-6 bg-green-500 rounded-full"></span>
                    Activité Récente
                </h3>
            </div>
            
            <div class="divide-y divide-gray-50">
                <div class="p-5 hover:bg-gray-50 transition-colors">
                    <div class="flex gap-4">
                        <div class="w-10 h-10 bg-blue-100 rounded-xl flex items-center justify-center flex-shrink-0">
                            <i class="fa-solid fa-user-plus text-blue-600 text-sm"></i>
                        </div>
                        <div class="flex-1 min-w-0">
                            <p class="text-sm font-semibold text-gray-900">15 nouvelles inscriptions</p>
                            <p class="text-xs text-gray-500 mt-1">Aujourd'hui</p>
                        </div>
                    </div>
                </div>
                <div class="p-5 hover:bg-gray-50 transition-colors">
                    <div class="flex gap-4">
                        <div class="w-10 h-10 bg-green-100 rounded-xl flex items-center justify-center flex-shrink-0">
                            <i class="fa-solid fa-euro-sign text-green-600 text-sm"></i>
                        </div>
                        <div class="flex-1 min-w-0">
                            <p class="text-sm font-semibold text-gray-900">5 paiements reçus</p>
                            <p class="text-xs text-gray-500 mt-1">Il y a 2 heures</p>
                        </div>
                    </div>
                </div>
                <div class="p-5 hover:bg-gray-50 transition-colors">
                    <div class="flex gap-4">
                        <div class="w-10 h-10 bg-purple-100 rounded-xl flex items-center justify-center flex-shrink-0">
                            <i class="fa-solid fa-book text-purple-600 text-sm"></i>
                        </div>
                        <div class="flex-1 min-w-0">
                            <p class="text-sm font-semibold text-gray-900">Nouveau cours créé</p>
                            <p class="text-xs text-gray-500 mt-1">Physique Quantique</p>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Platform Health -->
        <div class="bg-white rounded-2xl border border-gray-100 shadow-sm p-6">
            <h3 class="text-lg font-display font-bold text-gray-900 flex items-center gap-3 mb-6">
                <span class="w-2 h-6 bg-green-500 rounded-full"></span>
                Santé de la Plateforme
            </h3>
            
            <div class="space-y-4">
                <div>
                    <div class="flex justify-between items-center mb-2">
                        <span class="text-sm font-semibold text-gray-700">CPU</span>
                        <span class="text-sm font-bold text-green-600">32%</span>
                    </div>
                    <div class="w-full h-2 bg-gray-100 rounded-full overflow-hidden">
                        <div class="h-full bg-green-500 rounded-full" style="width: 32%"></div>
                    </div>
                </div>
                <div>
                    <div class="flex justify-between items-center mb-2">
                        <span class="text-sm font-semibold text-gray-700">RAM</span>
                        <span class="text-sm font-bold text-amber-600">85%</span>
                    </div>
                    <div class="w-full h-2 bg-gray-100 rounded-full overflow-hidden">
                        <div class="h-full bg-amber-500 rounded-full" style="width: 85%"></div>
                    </div>
                </div>
                <div>
                    <div class="flex justify-between items-center mb-2">
                        <span class="text-sm font-semibold text-gray-700">Stockage</span>
                        <span class="text-sm font-bold text-green-600">54%</span>
                    </div>
                    <div class="w-full h-2 bg-gray-100 rounded-full overflow-hidden">
                        <div class="h-full bg-green-500 rounded-full" style="width: 54%"></div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

@push('scripts')
<script>
    // Enrollments Chart
    const enrollmentsCtx = document.getElementById('enrollmentsChart').getContext('2d');
    new Chart(enrollmentsCtx, {
        type: 'bar',
        data: {
            labels: ['Jan', 'Fév', 'Mar', 'Avr', 'Mai', 'Juin'],
            datasets: [{
                label: 'Inscriptions',
                data: [120, 150, 180, 165, 210, 245],
                backgroundColor: '#1e3a5f',
                borderRadius: 8
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            plugins: { legend: { display: false } },
            scales: {
                y: { beginAtZero: true }
            }
        }
    });

    // Faculties Chart
    const facultiesCtx = document.getElementById('facultiesChart').getContext('2d');
    new Chart(facultiesCtx, {
        type: 'doughnut',
        data: {
            labels: ['Sciences', 'Lettres', 'Médecine', 'Droit', 'Économie'],
            datasets: [{
                data: [35, 25, 20, 12, 8],
                backgroundColor: ['#1e3a5f', '#2d4a6f', '#3d5a7f', '#4d6a8f', '#5d7a9f']
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            plugins: {
                legend: {
                    position: 'bottom'
                }
            }
        }
    });

    // Revenue Chart
    const revenueCtx = document.getElementById('revenueChart').getContext('2d');
    new Chart(revenueCtx, {
        type: 'line',
        data: {
            labels: ['Jan', 'Fév', 'Mar', 'Avr', 'Mai', 'Juin'],
            datasets: [{
                label: 'Revenus (€)',
                data: [32000, 38000, 35000, 42000, 48000, 45000],
                borderColor: '#c9a227',
                backgroundColor: 'rgba(201, 162, 39, 0.1)',
                fill: true,
                tension: 0.4
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            plugins: { legend: { display: false } },
            scales: {
                y: {
                    beginAtZero: false,
                    ticks: {
                        callback: function(value) {
                            return '€' + value.toLocaleString();
                        }
                    }
                }
            }
        }
    });
</script>
@endpush
@endsection