import 'package:flutter/material.dart';
// import 'package:hive_flutter/hive_flutter.dart';

// 数据层服务
import 'services/database_service.dart';
import 'services/book_repository.dart';
import 'services/bookshelf_repository.dart';
import 'services/highlight_repository.dart';

// 数据模型（仅导入测试中使用的）
import 'models/book.dart';
import 'models/bookshelf.dart';
import 'models/bookmark.dart';
import 'models/highlight.dart';

// UI层
import 'pages/main_navigation.dart';
import 'theme/app_theme.dart';

/// Readful 电子书阅读器应用入口
///
/// 这是一个跨平台的Flutter电子书阅读器应用，支持：
/// - 多格式电子书导入（EPUB、MOBI、TXT、PDF）
/// - 智能文本高亮和批注系统
/// - 个性化书签和阅读进度管理
/// - Material Design 3 界面设计
/// - 暗夜模式自动跟随系统
void main() async {
  // 确保Flutter绑定初始化完成，这是使用异步操作的前提
  WidgetsFlutterBinding.ensureInitialized();

  // 初始化Hive数据库系统
  // 数据库包含：书籍、书架、书签、高亮批注等数据
  try {
    await DatabaseService.instance.init();
    print('✅ Hive数据库初始化成功');
  } catch (e) {
    print('❌ 数据库初始化失败: $e');
  }

  // 启动Readful应用
  runApp(const ReadfulApp());
}

/// 测试BookRepository的数据持久化功能
Future<void> runBookRepositoryTest() async {
  final bookRepository = BookRepository();

  print('\n🧪 开始测试BookRepository数据持久化功能...\n');

  try {
    // 1. 获取当前所有书籍
    List<Book> currentBooks = await bookRepository.getAllBooks();
    print('📚 当前书籍数量: ${currentBooks.length}');

    // 2. 创建测试书籍
    final testBook = Book(
      id: 'test_book_001',
      title: 'Flutter开发入门',
      author: '张三',
      publisher: '技术出版社',
      description: '这是一本关于Flutter开发的入门书籍',
      filePath: '/path/to/flutter_book.epub',
      format: BookFormat.epub,
      fileSize: 1024 * 1024, // 1MB
      addedDate: DateTime.now(),
      status: ReadingStatus.pending,
      totalPages: 300,
    );

    // 3. 添加测试书籍
    await bookRepository.addBook(testBook);

    // 4. 再次获取所有书籍
    List<Book> updatedBooks = await bookRepository.getAllBooks();
    print('📚 添加后书籍数量: ${updatedBooks.length}');

    // 5. 根据ID查找书籍
    Book? foundBook = await bookRepository.getBookById(testBook.id);
    if (foundBook != null) {
      print('🔍 成功找到书籍: ${foundBook.title}');
      print('   - 作者: ${foundBook.author}');
      print('   - 格式: ${foundBook.format.name}');
      print('   - 状态: ${foundBook.status.name}');
    } else {
      print('❌ 未找到指定书籍');
    }

    // 6. 测试更新书籍
    final updatedBook = testBook.copyWith(status: ReadingStatus.completed);
    await bookRepository.updateBook(updatedBook);
    print('✅ 书籍状态更新为: ${updatedBook.status.name}');

    // 7. 验证更新后的状态
    Book? updatedFoundBook = await bookRepository.getBookById(testBook.id);
    if (updatedFoundBook != null &&
        updatedFoundBook.status == ReadingStatus.completed) {
      print('✅ 状态更新验证成功！');
    } else {
      print('❌ 状态更新验证失败！');
    }

    print('\n✅ BookRepository测试完成！所有功能正常工作\n');
  } catch (e) {
    print('❌ BookRepository测试失败: $e\n');
  }
}

///测试书架持久化
Future<void> runBookshelfRepositoryTest() async {
  final bookshelfRepository = BookshelfRepository();

  print('\n🧪 开始测试BookshelfRepository数据持久化功能...\n');

  try {
    // 1. 获取当前所有书架
    List<Bookshelf> currentBookshelves =
        await bookshelfRepository.getAllBookshelves();
    print('📚 当前书架数量: ${currentBookshelves.length}');

    // 2. 创建测试书架
    final testBookshelf = Bookshelf(
      id: 'test_shelf_001',
      name: '我的测试书架',
      createdTime: DateTime.now(),
      lastModifiedTime: DateTime.now(),
      bookCount: 0,
      type: BookshelfType.custom,
      isDefault: false,
      sortOrder: 1,
    );

    // 3. 添加测试书架
    await bookshelfRepository.addBookshelf(testBookshelf);

    // 4. 再次获取所有书架
    List<Bookshelf> updatedBookshelves =
        await bookshelfRepository.getAllBookshelves();
    print('📚 添加后书架数量: ${updatedBookshelves.length}');

    print('\n✅ BookshelfRepository测试完成！所有功能正常工作\n');
  } catch (e) {
    print('❌ BookshelfRepository测试失败: $e\n');
  }
}

///测试bookmark持久化
Future<void> runBookmarkRepositoryTest() async {
  final databaseService = DatabaseService.instance;

  print('\n🧪 开始测试Bookmark数据持久化功能...\n');

  try {
    // 1. 获取Bookmark Box
    final bookmarksBox = databaseService.getBookmarksBox();
    print('📚 当前书签数量: ${bookmarksBox.length}');

    // 2. 创建测试书签
    final testBookmark = Bookmark(
      id: 'test_bookmark_001',
      bookId: 'test_book_001',
      chapterId: null,
      title: '第一章开始',
      description: '这是第一章的书签',
      pageIndex: 1,
      position: 0.0,
      previewText: '这是书签的预览文本',
      createdTime: DateTime.now(),
      sortOrder: 1,
    );

    // 3. 添加测试书签
    await bookmarksBox.put(testBookmark.id, testBookmark);

    // 4. 再次获取所有书签
    print('📚 添加后书签数量: ${bookmarksBox.length}');

    // 5. 根据ID查找书签
    Bookmark? foundBookmark = bookmarksBox.get(testBookmark.id);
    if (foundBookmark != null) {
      print('🔍 成功找到书签: ${foundBookmark.title}');
      print('   - 所属书籍ID: ${foundBookmark.bookId}');
      print('   - 页码索引: ${foundBookmark.pageIndex}');
    } else {
      print('❌ 未找到指定书签');
    }

    print('\n✅ Bookmark测试完成！所有功能正常工作\n');
  } catch (e) {
    print('❌ Bookmark测试失败: $e\n');
  }
}

///測試Highlight持久化
Future<void> runHighlightRepositoryTest() async {
  final highlightRepository = HighlightRepository();

  print('\n🧪 开始测试HighlightRepository数据持久化功能...\n');

  try {
    // 1. 获取当前所有高亮
    List<Highlight> currentHighlights =
        await highlightRepository.getAllHighlights();
    print('📚 当前高亮数量: ${currentHighlights.length}');

    // 2. 创建测试高亮
    final testHighlight = Highlight(
      id: 'test_highlight_001',
      bookId: 'test_book_001',
      chapterId: null,
      color: HighlightColor.yellow,
      annotationType: AnnotationType.note,
      createdTime: DateTime.now(),
      selectedText: '这是一个测试高亮文本',
      startIndex: 100,
      endIndex: 130,
    );

    // 3. 添加测试高亮
    await highlightRepository.addHighlight(testHighlight);

    // 4. 根据ID查找高亮
    Highlight? foundHighlight =
        await highlightRepository.getHighlightById(testHighlight.id);
    if (foundHighlight != null) {
      print('🔍 成功找到高亮: ${foundHighlight.selectedText}');
      print('   - 所属书籍ID: ${foundHighlight.bookId}');
      print('   - 颜色: ${foundHighlight.color.name}');
    } else {
      print('❌ 未找到指定高亮');
    }
    // 5. 再次获取所有高亮
    List<Highlight> updatedHighlights =
        await highlightRepository.getAllHighlights();
    print('📚 添加后高亮数量: ${updatedHighlights.length}');

    print('\n✅ HighlightRepository测试完成！所有功能正常工作\n');

  } catch (e) {
    print('❌ HighlightRepository测试失败: $e\n');
  }
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Readful',
      theme: ThemeData(primarySwatch: Colors.blue),
      home: Scaffold(
        appBar: AppBar(title: const Text('readful 电子书阅读器')),
        body: const Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Text('欢迎使用 readful', style: TextStyle(fontSize: 20)),
              SizedBox(height: 20),
              Text('✅ 数据库已初始化', style: TextStyle(color: Colors.green)),
              Text('✅ BookRepository测试完成',
                  style: TextStyle(color: Colors.green)),
              SizedBox(height: 10),
              Text('请查看控制台输出查看详细测试结果'),
            ],
          ),
        ),
      ),
    );
  }
}

/// Readful应用根Widget
///
/// 配置Material Design应用，包括：
/// - 主题系统（亮色/暗色模式自动跟随）
/// - 应用标题和图标
/// - 主导航页面
class ReadfulApp extends StatelessWidget {
  const ReadfulApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Readful',
      debugShowCheckedModeBanner: false, // 隐藏调试横幅

      // 主题配置
      theme: AppTheme.lightTheme,        // 亮色主题
      darkTheme: AppTheme.darkTheme,      // 暗色主题
      themeMode: ThemeMode.system,       // 跟随系统主题设置

      // 主页面：底部Tab导航
      home: const MainNavigation(),
    );
  }
}