import 'package:flutter/material.dart';

import '../../core/app_state.dart';
import '../../core/app_theme.dart';
import '../../widgets/app_widgets.dart';
import 'lesson_path.dart';
import 'today_task_card.dart';

/// 学习 tab：今天的任务在上，完整课程路径在下。
class HomePage extends StatelessWidget {
  const HomePage({
    super.key,
    required this.state,
    required this.onStartLesson,
    required this.onOpenLesson,
    required this.onStartReview,
    required this.onResumeLessonDialogue,
    required this.onStartReinforcement,
    required this.onOpenAssessment,
  });

  final AppState state;
  final VoidCallback onStartLesson;
  final ValueChanged<String> onOpenLesson;
  final VoidCallback onStartReview;
  final VoidCallback onResumeLessonDialogue;
  final VoidCallback onStartReinforcement;
  final ValueChanged<String> onOpenAssessment;

  @override
  Widget build(BuildContext context) => AppPage(
    child: SpacedColumn(
      spacing: 16,
      children: [
        Text('学习', style: Theme.of(context).textTheme.headlineMedium),
        TodayTaskCard(
          state: state,
          onStartLesson: onStartLesson,
          onStartReview: onStartReview,
          onResumeLessonDialogue: onResumeLessonDialogue,
          onStartReinforcement: onStartReinforcement,
          onOpenAssessment: onOpenAssessment,
        ),
        LessonPath(state: state, onOpenLesson: onOpenLesson),
        const _FrameworkNote(),
      ],
    ),
  );
}

class _FrameworkNote extends StatelessWidget {
  const _FrameworkNote();

  @override
  Widget build(BuildContext context) => Row(
    crossAxisAlignment: CrossAxisAlignment.start,
    children: [
      Icon(Icons.info_outline, color: AppColors.muted, size: 16),
      const SizedBox(width: 6),
      Expanded(
        child: Text(
          '口语掌握以录音或语音识别结果为准；AI 服务可在“我的”中配置。',
          style: TextStyle(color: AppColors.muted, fontSize: 12, height: 1.45),
        ),
      ),
    ],
  );
}