520 lines
17 KiB
Dart
520 lines
17 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:fl_chart/fl_chart.dart'; // La librairie pour les courbes
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import '../../data/models/session.dart';
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import '../../data/repositories/session_repository.dart';
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import '../../services/statistics_service.dart';
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class StatisticsScreen extends StatefulWidget {
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final Session? singleSession;
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const StatisticsScreen({super.key, this.singleSession});
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@override
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State<StatisticsScreen> createState() => _StatisticsScreenState();
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}
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class _StatisticsScreenState extends State<StatisticsScreen> {
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final StatisticsService _statisticsService = StatisticsService();
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StatsPeriod _selectedPeriod = StatsPeriod.all;
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SessionStatistics? _statistics;
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bool _isLoading = true;
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List<Session> _allSessions = [];
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// Valeurs pour les Dropdowns (Filtres)
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String _selectedWeapon = 'Toutes';
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String _selectedDistance = 'Toutes';
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addPostFrameCallback((_) => _loadStatistics());
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}
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Future<void> _loadStatistics() async {
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if (!mounted) return;
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setState(() => _isLoading = true);
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try {
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final repository = context.read<SessionRepository>();
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_allSessions = await repository.getAllSessions();
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_calculateStats();
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} catch (e) {
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debugPrint('Error: $e');
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} finally {
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if (mounted) setState(() => _isLoading = false);
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}
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}
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void _calculateStats() {
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_statistics = _statisticsService.calculateStatistics(
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_allSessions,
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period: _selectedPeriod,
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);
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}
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List<double> _getScoreHistory() {
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if (_statistics == null || _statistics!.sessions.isEmpty) return [0];
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// Sort sessions by date and take last 10
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final sortedSessions = List<Session>.from(_statistics!.sessions)
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..sort((a, b) => a.createdAt.compareTo(b.createdAt));
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return sortedSessions.map((s) => s.totalScore.toDouble()).toList();
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}
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List<double> _getPrecisionHistory() {
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if (_statistics == null || _statistics!.sessions.isEmpty) return [0];
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// We would need to calculate precision for each session individually to have a history.
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// For now, let's just use the score trend as a proxy if we don't have per-session precision cached.
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// Actually, let's use the scores but normalized if possible.
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final sortedSessions = List<Session>.from(_statistics!.sessions)
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..sort((a, b) => a.createdAt.compareTo(b.createdAt));
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return sortedSessions.map((s) {
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if (s.shots.isEmpty) return 0.0;
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// Simple precision proxy: score / max possible (assuming 10 is max)
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return (s.totalScore / (s.shots.length * 10)) * 100;
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}).toList();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: const Color(
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0xFF121212,
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), // Fond sombre comme sur le design
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appBar: AppBar(
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backgroundColor: Colors.transparent,
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elevation: 0,
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leading: IconButton(
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icon: const Icon(Icons.arrow_back, color: Colors.white),
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onPressed: () => Navigator.pop(context),
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),
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title: const Text(
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'Statistiques',
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style: TextStyle(color: Colors.white),
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),
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centerTitle: true,
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),
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body: _isLoading
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? const Center(child: CircularProgressIndicator())
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: SingleChildScrollView(
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padding: const EdgeInsets.all(16),
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child: Column(
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children: [
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// 1. FILTRES (Arme et Distance)
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Row(
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children: [
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Expanded(
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child: _buildDropdown('Arme utilisée', _selectedWeapon),
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),
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const SizedBox(width: 12),
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Expanded(
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child: _buildDropdown('Distance', _selectedDistance),
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),
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],
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),
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const SizedBox(height: 20),
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// 2. DONNÉES RAPIDES (Tirs et Sessions)
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Row(
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children: [
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Expanded(
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child: _buildQuickStat(
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'Nbre de tirs',
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'${_statistics?.totalShots ?? 0}',
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Icons.gps_fixed,
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: _buildQuickStat(
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'Nbre de sessions',
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'${_statistics?.sessions.length ?? 0}',
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Icons.analytics,
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),
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),
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],
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),
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const SizedBox(height: 25),
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// 3. LES GRAPHIQUES
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_buildChartSection(
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'Score',
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'${_statistics?.totalScore ?? 0}',
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_getScoreHistory(),
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),
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const SizedBox(height: 20),
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_buildChartSection(
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'Précision',
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'${_statistics?.precision.precisionScore.toStringAsFixed(1)}%',
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_getPrecisionHistory(),
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),
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const SizedBox(height: 20),
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_buildChartSection(
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'Groupement moyen',
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'${(_statistics?.precision.groupingDiameter ?? 0 * 100).toStringAsFixed(1)}%',
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_getScoreHistory().map((e) => e / 10).toList(), // Proxy for grouping history
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),
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const SizedBox(height: 25),
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// 4. DISTRIBUTION ET BIAIS (Restauré)
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if (_statistics != null && _statistics!.totalShots > 0) ...[
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_buildRegionalDistribution(),
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const SizedBox(height: 20),
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_buildQuadrantGrid(),
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const SizedBox(height: 20),
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if (_statistics!.regional.biasX.abs() > 0.05 ||
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_statistics!.regional.biasY.abs() > 0.05)
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_buildBiasWarning(),
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],
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const SizedBox(height: 30),
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// 4. BOUTON ACCUEIL
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SizedBox(
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width: double.infinity,
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height: 50,
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child: ElevatedButton(
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style: ElevatedButton.styleFrom(
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backgroundColor: const Color(0xFF1A73E8),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8),
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),
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),
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onPressed: () => Navigator.of(
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context,
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).popUntil((route) => route.isFirst),
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child: const Text(
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'ACCUEIL',
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style: TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.bold,
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),
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),
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),
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),
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],
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),
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),
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);
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}
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// Widget pour les Dropdowns de filtres
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Widget _buildDropdown(String label, String value) {
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
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decoration: BoxDecoration(
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color: const Color(0xFF1E1E1E),
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: Colors.white12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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label,
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style: const TextStyle(color: Colors.white54, fontSize: 10),
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),
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DropdownButton<String>(
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value: value,
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isExpanded: true,
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underline: Container(),
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dropdownColor: const Color(0xFF1E1E1E),
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style: const TextStyle(color: Colors.white, fontSize: 14),
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items: [value]
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.map(
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(String val) =>
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DropdownMenuItem(value: val, child: Text(val)),
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)
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.toList(),
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onChanged: (newValue) {},
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),
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],
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),
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);
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}
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// Widget pour les petites cartes de stats
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Widget _buildQuickStat(String label, String value, IconData icon) {
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return Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: const Color(0xFF1E1E1E),
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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children: [
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Icon(icon, color: const Color(0xFF1A73E8), size: 20),
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const SizedBox(height: 8),
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Text(
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value,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 20,
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fontWeight: FontWeight.bold,
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),
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),
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Text(
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label,
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style: const TextStyle(color: Colors.white54, fontSize: 12),
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),
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],
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),
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);
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}
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// Widget pour une section de graphique
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Widget _buildChartSection(
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String title,
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String value,
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List<double> dataPoints,
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) {
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return Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: const Color(0xFF1E1E1E),
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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title,
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style: const TextStyle(color: Colors.white70, fontSize: 14),
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),
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const SizedBox(height: 10),
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Row(
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children: [
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Text(
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value,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 24,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(width: 20),
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Expanded(
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child: SizedBox(
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height: 60,
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child: LineChart(_mainChartData(dataPoints)),
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),
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),
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],
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),
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],
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),
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);
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}
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LineChartData _mainChartData(List<double> points) {
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if (points.isEmpty) points = [0];
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return LineChartData(
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gridData: const FlGridData(show: false),
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titlesData: const FlTitlesData(show: false),
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borderData: FlBorderData(show: false),
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lineBarsData: [
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LineChartBarData(
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spots: points.length == 1
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? [const FlSpot(0, 0), FlSpot(1, points[0])]
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: points
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.asMap()
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.entries
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.map((e) => FlSpot(e.key.toDouble(), e.value))
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.toList(),
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isCurved: true,
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color: const Color(0xFF4CAF50), // Vert comme sur ton design
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barWidth: 3,
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isStrokeCapRound: true,
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dotData: const FlDotData(show: false),
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belowBarData: BarAreaData(
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show: true,
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color: const Color(0xFF4CAF50).withOpacity(0.2),
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),
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),
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],
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);
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}
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// --- NOUVEAUX WIDGETS RESTAURÉS ---
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Widget _buildRegionalDistribution() {
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final regional = _statistics!.regional;
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return Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: const Color(0xFF1E1E1E),
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'Distribution Régionale',
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style: TextStyle(
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color: Colors.white,
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fontSize: 16,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 12),
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Row(
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children: [
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const Icon(Icons.explore, color: Color(0xFF1A73E8), size: 20),
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const SizedBox(width: 8),
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Text(
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'Direction dominante : ${regional.dominantDirection}',
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style: const TextStyle(color: Colors.white70, fontSize: 14),
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),
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],
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),
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const SizedBox(height: 12),
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Wrap(
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spacing: 8,
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runSpacing: 8,
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children: regional.sectorDistribution.entries
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.where((e) => e.value > 0)
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.map((e) {
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final percentage = (e.value / _statistics!.totalShots * 100);
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
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decoration: BoxDecoration(
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color: const Color(0xFF1A73E8).withOpacity(0.1),
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borderRadius: BorderRadius.circular(20),
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border: Border.all(color: const Color(0xFF1A73E8).withOpacity(0.3)),
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),
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child: Text(
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'${e.key}: ${e.value} (${percentage.toStringAsFixed(0)}%)',
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style: const TextStyle(color: Colors.white, fontSize: 12),
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),
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);
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}).toList(),
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),
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],
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),
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);
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}
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Widget _buildQuadrantGrid() {
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final quadrants = _statistics!.regional.quadrantDistribution;
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return Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: const Color(0xFF1E1E1E),
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'Répartition par Quadrant',
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style: TextStyle(
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color: Colors.white,
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fontSize: 16,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 16),
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AspectRatio(
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aspectRatio: 1,
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child: GridView.count(
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crossAxisCount: 2,
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mainAxisSpacing: 4,
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crossAxisSpacing: 4,
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shrinkWrap: true,
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physics: const NeverScrollableScrollPhysics(),
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children: [
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_buildQuadrantCell('Haut-Gauche', quadrants['Haut-Gauche'] ?? 0),
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_buildQuadrantCell('Haut-Droite', quadrants['Haut-Droite'] ?? 0),
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_buildQuadrantCell('Bas-Gauche', quadrants['Bas-Gauche'] ?? 0),
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_buildQuadrantCell('Bas-Droite', quadrants['Bas-Droite'] ?? 0),
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],
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),
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),
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],
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),
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);
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}
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Widget _buildQuadrantCell(String label, int count) {
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final percentage = (count / _statistics!.totalShots * 100);
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final intensity = count / _statistics!.totalShots;
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return Container(
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decoration: BoxDecoration(
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color: Color.lerp(
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const Color(0xFF2A2A2A),
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const Color(0xFF1A73E8),
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intensity,
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)!.withOpacity(0.8),
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borderRadius: BorderRadius.circular(8),
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),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(
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'$count',
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style: const TextStyle(
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color: Colors.white,
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fontSize: 20,
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fontWeight: FontWeight.bold,
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),
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),
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Text(
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'${percentage.toStringAsFixed(0)}%',
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style: const TextStyle(color: Colors.white70, fontSize: 12),
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),
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Text(
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label,
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style: const TextStyle(color: Colors.white54, fontSize: 10),
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),
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],
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),
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);
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}
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Widget _buildBiasWarning() {
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final regional = _statistics!.regional;
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String description = '';
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if (regional.biasX.abs() > 0.05) {
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description += regional.biasX > 0 ? 'vers la droite' : 'vers la gauche';
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}
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if (regional.biasY.abs() > 0.05) {
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if (description.isNotEmpty) description += ' et ';
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description += regional.biasY > 0 ? 'vers le bas' : 'vers le haut';
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}
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return Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Colors.orange.withOpacity(0.1),
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: Colors.orange.withOpacity(0.3)),
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),
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child: Row(
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children: [
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const Icon(Icons.warning_amber_rounded, color: Colors.orange),
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const SizedBox(width: 12),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'Biais détecté',
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style: TextStyle(
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color: Colors.orange,
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fontWeight: FontWeight.bold,
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),
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),
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Text(
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'Tendance $description',
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style: const TextStyle(color: Colors.white70, fontSize: 13),
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),
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],
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),
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),
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],
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),
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);
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}
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}
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