Files
LearnIT/lib/features/dashboard/presentation/widgets/teacher_hero_widget.dart
2026-05-17 18:27:22 +01:00

472 lines
15 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_animate/flutter_animate.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import '../../../../core/theme/app_theme_extension.dart';
import '../../../../core/services/gamification_service.dart';
import '../../../../core/models/class_stats.dart';
import '../../../../core/services/auth_service.dart';
/// Hero section for teacher dashboard showing class overview
class TeacherHeroWidget extends StatefulWidget {
final String userName;
const TeacherHeroWidget({
super.key,
required this.userName,
});
@override
State<TeacherHeroWidget> createState() => _TeacherHeroWidgetState();
}
class _TeacherHeroWidgetState extends State<TeacherHeroWidget> {
List<ClassStats> _classStats = [];
bool _loading = true;
@override
void initState() {
super.initState();
_loadClassStats();
}
Future<void> _loadClassStats() async {
try {
final user = AuthService.currentUser;
if (user == null) return;
// Obter turmas do professor
final classesSnapshot = await FirebaseFirestore.instance
.collection('classes')
.where('teacherId', isEqualTo: user.uid)
.get();
final classStatsList = <ClassStats>[];
for (final classDoc in classesSnapshot.docs) {
final classId = classDoc.id;
// Forçar atualização para obter dados mais recentes
final stats = await GamificationService.getClassStats(classId, forceRefresh: true);
if (stats != null) {
classStatsList.add(stats);
}
}
if (mounted) {
setState(() {
_classStats = classStatsList;
_loading = false;
});
}
} catch (e) {
print('Error loading class stats: $e');
if (mounted) {
setState(() {
_loading = false;
});
}
}
}
int get totalStudents => _classStats.fold(0, (sum, stats) => sum + stats.totalStudents);
int get activeQuizzes => _classStats.fold(0, (sum, stats) => sum + stats.activeQuizzes);
int get uploadedContent => _classStats.fold(0, (sum, stats) => sum + stats.totalContent);
double get classAverageProgress {
if (_classStats.isEmpty) return 0.0;
final totalProgress = _classStats.fold(0.0, (sum, stats) => sum + stats.averageProgress);
final average = totalProgress / _classStats.length;
print('=== UI PROGRESS DEBUG ===');
print('Number of classes: ${_classStats.length}');
for (int i = 0; i < _classStats.length; i++) {
print('Class ${i + 1}: ${_classStats[i].className} - ${_classStats[i].averageProgress} (${(_classStats[i].averageProgress * 100).toInt()}%)');
}
print('Total progress sum: $totalProgress');
print('Calculated average: $average (${(average * 100).toInt()}%)');
print('=== END UI PROGRESS DEBUG ===');
return average;
}
Widget build(BuildContext context) {
if (_loading) {
return Container(
margin: const EdgeInsets.only(bottom: 24),
child: const Center(child: CircularProgressIndicator()),
);
}
return Container(
margin: const EdgeInsets.only(bottom: 24),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Header
Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Visão Geral da Turma',
style: TextStyle(
color: Theme.of(context).colorScheme.onSurface,
fontSize: 20,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 4),
Text(
'Acompanhe o progresso dos seus alunos',
style: TextStyle(
color: Theme.of(context).colorScheme.onSurfaceVariant,
fontSize: 13,
),
),
],
),
),
Container(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 6,
),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.secondary,
borderRadius: BorderRadius.circular(20),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(Icons.people, color: Colors.white, size: 16),
const SizedBox(width: 4),
Text(
'$totalStudents alunos',
style: const TextStyle(
color: Colors.white,
fontSize: 12,
fontWeight: FontWeight.bold,
),
),
],
),
),
],
),
const SizedBox(height: 20),
// Main Class Progress Card
Container(
padding: const EdgeInsets.all(24),
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [
Theme.of(context).colorScheme.primary,
Theme.of(context).colorScheme.primary.withOpacity(0.8),
],
),
borderRadius: BorderRadius.circular(20),
boxShadow: [
BoxShadow(
color: Theme.of(context).colorScheme.shadow.withOpacity(0.1),
blurRadius: 20,
offset: const Offset(0, 10),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Overall Progress
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
const Flexible(
child: Text(
'Progresso Médio da Turma',
maxLines: 2,
overflow: TextOverflow.ellipsis,
style: TextStyle(
color: Colors.white,
fontSize: 15,
fontWeight: FontWeight.bold,
),
),
),
Builder(
builder: (context) {
final displayValue = (classAverageProgress * 100).toInt();
print('=== RENDER DEBUG ===');
print('classAverageProgress: $classAverageProgress');
print('displayValue: $displayValue%');
print('=== END RENDER DEBUG ===');
return Text(
'$displayValue%',
style: const TextStyle(
color: Colors.white,
fontSize: 24,
fontWeight: FontWeight.bold,
),
);
},
),
],
),
const SizedBox(height: 16),
// Progress Bar
Container(
height: 12,
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.3),
borderRadius: BorderRadius.circular(6),
),
child: FractionallySizedBox(
alignment: Alignment.centerLeft,
widthFactor: classAverageProgress,
child: Container(
decoration: BoxDecoration(
gradient: LinearGradient(
colors: [
AppThemeExtras.of(context).heroProgressStart,
AppThemeExtras.of(context).heroProgressEnd,
],
),
borderRadius: BorderRadius.circular(6),
),
),
),
),
const SizedBox(height: 20),
// Stats Grid
Row(
children: [
Expanded(
child: _buildStatCard(
icon: Icons.quiz,
value: '$activeQuizzes',
label: 'Quizzes Ativos',
),
),
const SizedBox(width: 12),
Expanded(
child: _buildStatCard(
icon: Icons.upload_file,
value: '$uploadedContent',
label: 'Conteúdos',
),
),
],
),
],
),
).animate().scale(
duration: const Duration(milliseconds: 600),
curve: Curves.elasticOut,
),
const SizedBox(height: 20),
// Recent Activity
Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surface,
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: Theme.of(
context,
).colorScheme.outline.withOpacity(0.2),
),
boxShadow: [
BoxShadow(
color: Theme.of(
context,
).colorScheme.shadow.withOpacity(0.05),
blurRadius: 10,
offset: const Offset(0, 4),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Icons.trending_up,
color: Theme.of(context).colorScheme.secondary,
size: 20,
),
const SizedBox(width: 8),
Text(
'Atividade Recente',
style: TextStyle(
color: Theme.of(context).colorScheme.onSurface,
fontSize: 16,
fontWeight: FontWeight.bold,
),
),
],
),
const SizedBox(height: 12),
..._buildRecentActivities(),
],
),
)
.animate()
.slideX(
duration: const Duration(milliseconds: 800),
curve: Curves.easeOut,
)
.then(delay: const Duration(milliseconds: 200)),
],
),
);
}
Widget _buildStatCard({
required IconData icon,
required String value,
required String label,
}) {
return Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.2),
borderRadius: BorderRadius.circular(12),
border: Border.all(color: Colors.white.withOpacity(0.3), width: 1),
),
child: Column(
children: [
Icon(icon, color: Colors.white, size: 24),
const SizedBox(height: 8),
Text(
value,
style: const TextStyle(
color: Colors.white,
fontSize: 20,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 4),
Text(
label,
style: const TextStyle(color: Colors.white, fontSize: 11),
textAlign: TextAlign.center,
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
],
),
);
}
List<Widget> _buildRecentActivities() {
final activities = <Widget>[];
if (_classStats.isEmpty) {
activities.add(_buildActivityItem(
context,
'Nenhuma atividade recente',
'Comece criando turmas e conteúdos',
Theme.of(context).colorScheme.onSurfaceVariant,
));
return activities;
}
// Adicionar atividades baseadas nas estatísticas das turmas
for (final stats in _classStats.take(3)) {
if (stats.activeQuizzes > 0) {
activities.add(_buildActivityItem(
context,
'${stats.activeQuizzes} quizzes ativos em ${stats.className}',
'Recente',
Theme.of(context).colorScheme.primary,
));
activities.add(const SizedBox(height: 8));
}
if (stats.studentsNeedingSupport.isNotEmpty) {
activities.add(_buildActivityItem(
context,
'${stats.studentsNeedingSupport.length} alunos precisam de apoio em ${stats.className}',
'Ver analytics',
Theme.of(context).colorScheme.error,
));
activities.add(const SizedBox(height: 8));
}
if (stats.totalContent > 0) {
activities.add(_buildActivityItem(
context,
'${stats.totalContent} conteúdos disponíveis em ${stats.className}',
'Atualizado',
Theme.of(context).colorScheme.secondary,
));
activities.add(const SizedBox(height: 8));
}
}
// Remover o último SizedBox se existir
if (activities.isNotEmpty && activities.last is SizedBox) {
activities.removeLast();
}
return activities.isEmpty ? [
_buildActivityItem(
context,
'Nenhuma atividade recente',
'Comece criando turmas e conteúdos',
Theme.of(context).colorScheme.onSurfaceVariant,
)
] : activities;
}
Widget _buildActivityItem(
BuildContext context,
String text,
String time,
Color color,
) {
return Row(
children: [
Container(
width: 8,
height: 8,
decoration: BoxDecoration(color: color, shape: BoxShape.circle),
),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
text,
style: TextStyle(
color: Theme.of(context).colorScheme.onSurfaceVariant,
fontSize: 14,
),
),
const SizedBox(height: 2),
Text(
time,
style: TextStyle(
color: Theme.of(
context,
).colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
fontSize: 12,
),
),
],
),
),
],
);
}
}