// Author: fruit.com.cn

import 'package:flutter/material.dart';

import '../../core/data/models/watch_progress.dart';
import '../../core/data/repositories/watch_history_repository.dart';
import 'mine_types.dart';

/// 「我的」页状态：最近观看与根导航动作。
class MineLogic extends ChangeNotifier {
  MineLogic({required this.history}) {
    refreshRecent();
  }

  final WatchHistoryRepository history;
  List<WatchProgress> recent = const [];
  bool recentLoading = false;
  String? recentError;
  bool _disposed = false;

  void notify() {
    if (!_disposed) notifyListeners();
  }

  /// 最近观看：服务端只给 dramaId/位置，剧名封面用目录卡片按 id 映射。
  Future<void> refreshRecent() async {
    recentLoading = true;
    recentError = null;
    notify();
    try {
      recent = await history.recent(limit: 20);
    } catch (_) {
      recentError = 'progressError';
    } finally {
      recentLoading = false;
      notify();
    }
  }

  /// 页面重新可见时刷新最近观看，避免停留在旧进度。
  void syncPage({required bool active, required bool wasActive}) {
    if (active && !wasActive) refreshRecent();
  }

  void act(
    BuildContext context,
    MyPageAction action, {
    required bool embedded,
    ValueChanged<MyPageAction>? onAction,
  }) {
    if (embedded) {
      onAction?.call(action);
    } else {
      Navigator.pop(context, action);
    }
  }

  @override
  void dispose() {
    _disposed = true;
    super.dispose();
  }
}