@extends('layouts.dashboard')

@section('title', 'Statistiques - Professeur Sciences Afrique')
@section('page-title', 'Statistiques')
@section('page-subtitle', 'Vue d\'ensemble de vos performances.')

@section('content')
<div class="bg-white border border-gray-100 rounded-2xl overflow-hidden shadow-sm">
    <div class="p-6">
        <div class="flex justify-between items-center mb-6">
            <h2 class="text-xl font-bold text-gray-900">Statistiques</h2>
        </div>

<div class="grid grid-cols-1 md:grid-cols-3 gap-6 mb-8">
            <div class="bg-blue-50 border border-blue-200 rounded-lg p-6">
                <div class="flex items-center">
                    <div class="flex-shrink-0 p-3 bg-blue-500 rounded-lg">
                        <i class="fa-solid fa-book text-white text-xl"></i>
                    </div>
                    <div class="ml-4">
                        <p class="text-sm font-medium text-gray-600">Cours Actifs</p>
                        <p class="text-2xl font-bold text-blue-900">{{ $courses->count() }}</p>
                    </div>
                </div>
            </div>

            <div class="bg-green-50 border border-green-200 rounded-lg p-6">
                <div class="flex items-center">
                    <div class="flex-shrink-0 p-3 bg-green-500 rounded-lg">
                        <i class="fa-solid fa-users text-white text-xl"></i>
                    </div>
                    <div class="ml-4">
                        <p class="text-sm font-medium text-gray-600">Étudiants</p>
                        <p class="text-2xl font-bold text-green-900">{{ $studentsCount }}</p>
                    </div>
                </div>
            </div>

            <div class="bg-purple-50 border border-purple-200 rounded-lg p-6">
                <div class="flex items-center">
                    <div class="flex-shrink-0 p-3 bg-purple-500 rounded-lg">
                        <i class="fa-solid fa-chart-line text-white text-xl"></i>
                    </div>
                    <div class="ml-4">
                        <p class="text-sm font-medium text-gray-600">Taux de Réussite</p>
                        <p class="text-2xl font-bold text-purple-900">{{ $successRate }}%</p>
                    </div>
                </div>
            </div>
        </div>

        <div class="grid grid-cols-1 lg:grid-cols-2 gap-6">
            <div class="bg-white border border-gray-100 rounded-2xl overflow-hidden shadow-sm">
                <div class="p-6">
                    <h3 class="text-lg font-semibold text-gray-900 mb-4">Dernières Évaluations</h3>
<div class="space-y-4">
                        @forelse($recentAssessments as $assessment)
                        <div class="flex justify-between items-center border-b pb-3">
                            <div>
                                <p class="font-medium text-gray-900">{{ $assessment->title ?? 'Évaluation sans titre' }}</p>
                                <p class="text-sm text-gray-600">{{ $assessment->course->title ?? 'N/A' }} - {{ $assessment->type ?? 'N/A' }}</p>
                            </div>
                            <div class="text-right">
                                <p class="text-lg font-bold {{ $assessment->percentage >= 70 ? 'text-green-600' : ($assessment->percentage >= 50 ? 'text-yellow-600' : 'text-red-600') }}">
                                    {{ $assessment->percentage }}%
                                </p>
                                <p class="text-xs text-gray-500">{{ $assessment->graded_at?->format('d/m/Y') ?? 'N/A' }}</p>
                            </div>
                        </div>
                        @empty
                        <div class="text-center py-8 text-gray-500">
                            <i class="fa-solid fa-clipboard-list text-4xl mb-2"></i>
                            <p>Aucune évaluation récente</p>
                        </div>
                        @endforelse
                    </div>
                </div>
            </div>

            <div class="bg-white border border-gray-100 rounded-2xl overflow-hidden shadow-sm">
                <div class="p-6">
                    <h3 class="text-lg font-semibold text-gray-900 mb-4">Progrès des Étudiants</h3>
<div class="space-y-4">
                        @forelse($studentProgress as $student)
                        <div class="flex justify-between items-center">
                            <div class="flex items-center space-x-3">
                                <div class="w-8 h-8 bg-blue-100 rounded-full flex items-center justify-center">
                                    <i class="fa-solid fa-user text-blue-600"></i>
                                </div>
                                <div>
                                    <p class="font-medium text-gray-900">{{ $student->user->name ?? 'Étudiant anonyme' }}</p>
                                    <p class="text-sm text-gray-600">{{ $student->department->name ?? 'Non spécifié' }}</p>
                                </div>
                            </div>
                            <div class="text-right">
                                <p class="text-lg font-bold {{ $student->progress->count() > 0 ? 
                                    (($student->progress->where('completed', true)->count() / $student->progress->count()) * 100) >= 70 ? 'text-green-600' : 
                                    ((($student->progress->where('completed', true)->count() / $student->progress->count()) * 100) >= 50 ? 'text-yellow-600' : 'text-red-600') 
                                    : 'text-gray-400' }}">
                                    @if($student->progress->count() > 0)
                                        {{ round(($student->progress->where('completed', true)->count() / $student->progress->count()) * 100) }}%
                                    @else
                                        0%
                                    @endif
                                </p>
                            </div>
                        </div>
                        @empty
                        <div class="text-center py-8 text-gray-500">
                            <i class="fa-solid fa-graduation-cap text-4xl mb-2"></i>
                            <p>Aucun étudiant inscrit</p>
                        </div>
                        @endforelse
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection