574 lines
20 KiB
Dart
574 lines
20 KiB
Dart
import 'package:flutter/material.dart';
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import '../../core/app_state.dart';
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import '../../core/assessment_bank.dart';
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import '../../core/ai_service.dart';
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import '../../core/app_theme.dart';
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import '../../core/models.dart';
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import '../../core/voice_service.dart';
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import '../../widgets/app_widgets.dart';
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class ProgressPage extends StatelessWidget {
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const ProgressPage({
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super.key,
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required this.state,
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required this.onSettings,
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required this.onOpenAssessment,
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});
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final AppState state;
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final VoidCallback onSettings;
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final ValueChanged<AssessmentPack> onOpenAssessment;
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@override
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Widget build(BuildContext context) {
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final recall = state.mastery.values
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.where((item) => item.status == MasteryStatus.recall)
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.length;
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final recentEvidence = state.attemptEvidence.reversed.take(5).toList();
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return AppPage(
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child: SpacedColumn(
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children: [
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const Eyebrow('当前：A0 起步'),
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Text('进度来自掌握证据。', style: Theme.of(context).textTheme.headlineMedium),
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const Text('不是上完固定课数就升级。核心表达需要在不同时间、不同情境中独立用出。'),
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_AbilityRow(
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icon: Icons.psychology_outlined,
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title: '已接触',
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note: '${state.knownItemCount} 个词句或任务',
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completed: state.knownItemCount > 0,
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),
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_AbilityRow(
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icon: Icons.replay_outlined,
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title: '能回忆',
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note: '$recall 项正在巩固',
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completed: recall > 0,
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),
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_AbilityRow(
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icon: Icons.record_voice_over_outlined,
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title: '可使用',
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note: '${state.coreUsableCount} / 48 项核心内容已获得独立使用证据',
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completed: state.coreUsableCount >= 48,
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),
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_AbilityRow(
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icon: Icons.verified_outlined,
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title: '已掌握（间隔复习）',
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note: '${state.coreMasteredCount} / 30 项达到四次间隔复习要求',
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completed: state.coreMasteredCount >= 30,
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),
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_AbilityRow(
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icon: Icons.assignment_turned_in_outlined,
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title: '两套四技能评估',
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note: state.hasTwoValidAssessmentPasses
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? '两套不同题组已在有效时间内通过'
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: '尚需两套不同题组通过，间隔至少 24 小时',
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completed: state.hasTwoValidAssessmentPasses,
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),
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SectionCard(
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tint: state.dueReviewCount > 0
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? AppColors.warm
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: AppColors.softGreen,
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child: Row(
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children: [
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Icon(
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state.dueReviewCount > 0
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? Icons.schedule
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: Icons.check_circle_outline,
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color: state.dueReviewCount > 0
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? AppColors.warmInk
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: AppColors.green,
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),
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const SizedBox(width: 10),
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Expanded(
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child: Text(
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state.dueReviewCount > 0
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? '有 ${state.dueReviewCount} 项到期复习，完成后会更新掌握证据。'
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: '目前没有到期复习。',
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),
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),
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],
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),
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),
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const SectionCard(
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child: Text(
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'进入下一阶段条件：60 项固定核心内容中至少 48 项可使用、30 项已掌握，且两套不同题组的听说读写评估都通过并间隔至少 24 小时。',
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),
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),
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if (state.a0Passed)
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const SectionCard(
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tint: AppColors.softGreen,
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child: Text('A0 已通过。A1 主线内容尚未提供，可继续进行 A0 巩固。'),
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),
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if (recentEvidence.isNotEmpty) ...[
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const Text(
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'最近学习证据',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600),
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),
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const Text('用于解释进度，不是公开记录。'),
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for (final evidence in recentEvidence)
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SectionCard(
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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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'${_evidenceLabel(evidence.outcome)} · ${evidence.skill}',
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style: const TextStyle(fontWeight: FontWeight.w600),
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),
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if (evidence.rawAnswer?.isNotEmpty == true) ...[
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const SizedBox(height: 4),
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Text('你的回答：${evidence.rawAnswer}'),
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],
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const SizedBox(height: 4),
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Text(
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_relativeTime(evidence.createdAt),
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style: Theme.of(context).textTheme.bodyMedium,
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),
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],
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),
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),
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],
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const Text(
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'A0 四技能评估',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600),
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),
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Text(
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'评估不会提供翻译或句框；第二套题组须在第一套通过至少 24 小时后完成。',
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style: Theme.of(context).textTheme.bodyMedium,
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),
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for (final pack in a0AssessmentPacks)
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SecondaryButton(
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label: state.canStartAssessmentPack(pack.id)
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? '开始 ${pack.id}'
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: '${pack.id} 需等待第一套评估通过 24 小时',
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onPressed: state.canStartAssessmentPack(pack.id)
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? () => onOpenAssessment(pack)
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: null,
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),
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SecondaryButton(label: '调整学习与 AI 设置', onPressed: onSettings),
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],
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),
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);
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}
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static String _evidenceLabel(EvidenceKind outcome) => switch (outcome) {
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EvidenceKind.independentSuccess => '独立完成',
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EvidenceKind.assisted => '带提示完成',
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EvidenceKind.languageError => '需要复核',
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EvidenceKind.pending => '稍后完成',
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EvidenceKind.exposure => '已查看',
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};
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static String _relativeTime(DateTime time) {
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final difference = DateTime.now().difference(time);
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if (difference.inMinutes < 1) return '刚刚';
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if (difference.inHours < 1) return '${difference.inMinutes} 分钟前';
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if (difference.inDays < 1) return '${difference.inHours} 小时前';
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return '${difference.inDays} 天前';
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}
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}
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class _AbilityRow extends StatelessWidget {
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const _AbilityRow({
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required this.icon,
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required this.title,
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required this.note,
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required this.completed,
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});
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final IconData icon;
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final String title;
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final String note;
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final bool completed;
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@override
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Widget build(BuildContext context) => Padding(
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padding: const EdgeInsets.symmetric(vertical: 8),
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child: Row(
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children: [
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Icon(icon, color: completed ? AppColors.green : AppColors.muted),
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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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Text(title, style: const TextStyle(fontWeight: FontWeight.w600)),
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Text(note, style: Theme.of(context).textTheme.bodyMedium),
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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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class SettingsPage extends StatefulWidget {
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const SettingsPage({super.key, required this.state});
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final AppState state;
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@override
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State<SettingsPage> createState() => _SettingsPageState();
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}
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class _SettingsPageState extends State<SettingsPage> {
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late final TextEditingController endpoint;
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late final TextEditingController model;
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final apiKey = TextEditingController();
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@override
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void initState() {
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super.initState();
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endpoint = TextEditingController(text: widget.state.aiEndpoint);
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model = TextEditingController(text: widget.state.aiModel);
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}
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@override
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void dispose() {
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endpoint.dispose();
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model.dispose();
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apiKey.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) => AppPage(
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appBar: AppBar(title: const Text('学习设置')),
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child: SpacedColumn(
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spacing: 4,
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children: [
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_SettingTile(
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title: '每日学习时间',
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subtitle: '${widget.state.dailyMinutes} 分钟',
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onTap: () => _chooseDuration(context),
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),
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SwitchListTile(
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contentPadding: const EdgeInsets.symmetric(horizontal: 4),
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title: const Text('默认显示中文提示'),
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subtitle: const Text('A0 阶段开启'),
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value: widget.state.showChineseHints,
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activeThumbColor: AppColors.green,
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onChanged: widget.state.toggleChineseHints,
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),
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SwitchListTile(
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contentPadding: const EdgeInsets.symmetric(horizontal: 4),
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title: const Text('保存原始录音'),
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subtitle: const Text('录音功能启用后仅保存在本机'),
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value: widget.state.keepRecordings,
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activeThumbColor: AppColors.green,
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onChanged: widget.state.toggleKeepRecordings,
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),
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_SettingTile(
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title: '已保存的录音',
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subtitle: '回听或删除本机英语练习录音',
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onTap: () => _showRecordings(context),
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),
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_SettingTile(
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title: '清除已保存的录音',
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subtitle: '只删除本机原始音频，不影响学习进度或 AI 密钥',
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onTap: () => _confirmDeleteRecordings(context),
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),
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const Divider(height: 28),
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const Text(
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'AI 对话服务',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600),
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),
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const Text(
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'订阅版 ChatGPT / Gemini 不能直接作为 App API 使用。请使用自己的 API Key，或填写兼容 OpenAI 接口的 CLIProxyAPI 地址。密钥不在此页面保存。',
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style: TextStyle(fontSize: 12, color: AppColors.muted),
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),
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DropdownButtonFormField<AiProviderType>(
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initialValue: widget.state.aiProvider,
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decoration: const InputDecoration(
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labelText: '服务类型',
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border: OutlineInputBorder(),
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),
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items: const [
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DropdownMenuItem(
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value: AiProviderType.mock,
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child: Text('内置练习模式（无需网络）'),
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),
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DropdownMenuItem(
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value: AiProviderType.openAi,
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child: Text('OpenAI API'),
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),
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DropdownMenuItem(
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value: AiProviderType.gemini,
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child: Text('Gemini API'),
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),
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DropdownMenuItem(
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value: AiProviderType.compatible,
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child: Text('OpenAI 兼容 / CLIProxyAPI'),
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),
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],
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onChanged: (value) {
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if (value == null) return;
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widget.state.setAiProvider(value);
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if (value == AiProviderType.gemini &&
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endpoint.text.trim().isEmpty) {
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endpoint.text =
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'https://generativelanguage.googleapis.com/v1beta';
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model.text = model.text.trim().isEmpty
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? 'gemini-2.5-flash'
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: model.text;
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}
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},
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),
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TextField(
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controller: endpoint,
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keyboardType: TextInputType.url,
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decoration: const InputDecoration(
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labelText: 'Base URL（可选）',
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hintText:
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'OpenAI / 兼容： https://…/v1；Gemini： https://generativelanguage.googleapis.com/v1beta',
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border: OutlineInputBorder(),
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),
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),
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TextField(
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controller: model,
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decoration: const InputDecoration(
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labelText: '模型名称（可选）',
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hintText: '例如 gpt-4.1-mini',
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border: OutlineInputBorder(),
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),
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),
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TextField(
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controller: apiKey,
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obscureText: true,
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decoration: const InputDecoration(
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labelText: 'API Key（仅保存到设备安全存储）',
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border: OutlineInputBorder(),
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),
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),
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PrimaryButton(
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label: '保存服务设置',
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onPressed: () async {
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widget.state.saveAiConfiguration(
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endpoint: endpoint.text,
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model: model.text,
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);
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if (apiKey.text.trim().isNotEmpty) {
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await AiService.instance.saveApiKey(apiKey.text);
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}
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if (!context.mounted) return;
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ScaffoldMessenger.of(
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context,
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).showSnackBar(const SnackBar(content: Text('服务设置已保存。')));
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},
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),
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SecondaryButton(
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label: '测试连接',
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onPressed: () async {
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final result = await AiService.instance.testConnection(
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provider: widget.state.aiProvider,
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endpoint: endpoint.text,
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model: model.text,
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);
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if (!context.mounted) return;
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ScaffoldMessenger.of(
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context,
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).showSnackBar(SnackBar(content: Text(result.message)));
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},
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),
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const Divider(height: 28),
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_DangerAction(
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label: '清除学习进度',
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message:
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'这会清除本机的课程/分段进度、草稿、复习队列、学习作答证据、掌握记录、对话草稿、AI 补练缓存和阶段评估结果，且不可恢复。不会删除 API 密钥、AI 服务设置或已保存的原始录音；录音请使用下方独立操作删除。',
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onConfirm: widget.state.clearProgress,
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),
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],
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),
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);
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Future<void> _confirmDeleteRecordings(BuildContext context) async {
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('清除已保存的录音？'),
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content: const Text('这些原始音频只保存在本机。删除后无法恢复，学习进度不会改变。'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('取消'),
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),
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FilledButton(
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style: FilledButton.styleFrom(backgroundColor: Colors.redAccent),
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onPressed: () => Navigator.pop(context, true),
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child: const Text('清除'),
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),
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],
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),
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);
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if (confirmed != true || !context.mounted) return;
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final count = await VoiceService.instance.deleteAllRecordings();
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if (!context.mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text(count == 0 ? '没有已保存的录音。' : '已清除 $count 段本机录音。')),
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);
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}
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Future<void> _showRecordings(
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BuildContext context,
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) => showModalBottomSheet<void>(
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context: context,
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showDragHandle: true,
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builder: (context) => SafeArea(
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child: FutureBuilder<List<String>>(
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future: VoiceService.instance.listRecordingPaths(),
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builder: (context, snapshot) {
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if (!snapshot.hasData) {
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return const Padding(
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padding: EdgeInsets.all(24),
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child: Center(child: CircularProgressIndicator()),
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);
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}
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final paths = snapshot.data!;
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if (paths.isEmpty) {
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return const Padding(
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padding: EdgeInsets.all(24),
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child: Text('还没有保存的录音。开启“保存原始录音”后，在跟读步骤完成录音即可在这里回听。'),
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);
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}
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return Padding(
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padding: const EdgeInsets.fromLTRB(16, 0, 16, 24),
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child: SpacedColumn(
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children: [
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const Text(
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'已保存的录音',
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style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600),
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),
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for (final path in paths)
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SectionCard(
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child: Row(
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children: [
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const Icon(Icons.mic_none, color: AppColors.green),
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const SizedBox(width: 10),
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Expanded(
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child: Text(
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path.split('/').last.replaceAll('.m4a', ''),
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),
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),
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IconButton(
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tooltip: '回听',
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onPressed: () =>
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VoiceService.instance.playRecording(path),
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icon: const Icon(Icons.play_arrow),
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),
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IconButton(
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tooltip: '删除',
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onPressed: () async {
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await VoiceService.instance.deleteRecording(path);
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if (context.mounted) Navigator.pop(context);
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},
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icon: const Icon(Icons.delete_outline),
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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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),
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);
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Future<void> _chooseDuration(BuildContext context) async {
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final value = await showModalBottomSheet<int>(
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context: context,
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builder: (context) => SafeArea(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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for (final minute in [10, 20, 30])
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ListTile(
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title: Text('$minute 分钟'),
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trailing: widget.state.dailyMinutes == minute
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? const Icon(Icons.check)
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: null,
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onTap: () => Navigator.pop(context, minute),
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),
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],
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),
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),
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);
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if (value != null) widget.state.setDailyMinutes(value);
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}
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}
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class _SettingTile extends StatelessWidget {
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const _SettingTile({
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required this.title,
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required this.subtitle,
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required this.onTap,
|
||
});
|
||
final String title;
|
||
final String subtitle;
|
||
final VoidCallback? onTap;
|
||
@override
|
||
Widget build(BuildContext context) => ListTile(
|
||
contentPadding: const EdgeInsets.symmetric(horizontal: 4),
|
||
title: Text(title),
|
||
subtitle: Text(subtitle),
|
||
trailing: const Icon(Icons.chevron_right),
|
||
onTap: onTap,
|
||
);
|
||
}
|
||
|
||
class _DangerAction extends StatelessWidget {
|
||
const _DangerAction({
|
||
required this.label,
|
||
required this.message,
|
||
required this.onConfirm,
|
||
});
|
||
final String label;
|
||
final String message;
|
||
final VoidCallback? onConfirm;
|
||
@override
|
||
Widget build(BuildContext context) => ListTile(
|
||
contentPadding: const EdgeInsets.symmetric(horizontal: 4),
|
||
title: Text(label, style: const TextStyle(color: Colors.redAccent)),
|
||
trailing: const Icon(Icons.chevron_right, color: Colors.redAccent),
|
||
onTap: () => showDialog<void>(
|
||
context: context,
|
||
builder: (context) {
|
||
var acknowledged = false;
|
||
return StatefulBuilder(
|
||
builder: (context, setDialogState) => AlertDialog(
|
||
title: Text(label),
|
||
content: Column(
|
||
mainAxisSize: MainAxisSize.min,
|
||
children: [
|
||
Text(message),
|
||
const SizedBox(height: 12),
|
||
const Text(
|
||
'会清除：课程步骤、复习、掌握记录、学习证据、评估草稿和课程对话草稿。\n不会清除：已保存录音、AI API Key 与应用设置。',
|
||
),
|
||
CheckboxListTile(
|
||
contentPadding: EdgeInsets.zero,
|
||
value: acknowledged,
|
||
onChanged: (value) =>
|
||
setDialogState(() => acknowledged = value ?? false),
|
||
title: const Text('我了解这些本机学习数据无法恢复'),
|
||
),
|
||
],
|
||
),
|
||
actions: [
|
||
TextButton(
|
||
onPressed: () => Navigator.pop(context),
|
||
child: const Text('取消'),
|
||
),
|
||
FilledButton(
|
||
style: FilledButton.styleFrom(
|
||
backgroundColor: Colors.redAccent,
|
||
),
|
||
onPressed: acknowledged
|
||
? () {
|
||
onConfirm?.call();
|
||
Navigator.pop(context);
|
||
}
|
||
: null,
|
||
child: const Text('确认清除'),
|
||
),
|
||
],
|
||
),
|
||
);
|
||
},
|
||
),
|
||
);
|
||
}
|