import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import '../../../constants/app_constants.dart';
import './widgets.dart';
import '../../home/home-load.dart';
import '../../../controllers/load/locally.dart';

/// 时间: 2026-03-26
/// 功能: 功能设置页面
/// 介绍: 应用功能开关和设置项管理
/// 最新变化: 添加自动刷新功能

class AppFunSettingsPage extends StatefulWidget {
  const AppFunSettingsPage({super.key});

  @override
  State<AppFunSettingsPage> createState() => _AppFunSettingsPageState();
}

class _AppFunSettingsPageState extends State<AppFunSettingsPage> {
  bool _autoRefreshEnabled = false;
  bool _debugInfoEnabled = false;
  bool _soundEnabled = true;
  bool _vibrationEnabled = true;
  bool _darkModeEnabled = false;
  bool _preloadEnabled = true;
  bool _notificationEnabled = true;
  bool _globalTipsEnabled = true; // 添加全局Tips开关状态
  int _cacheSize = 128;

  static const String _autoRefreshKey = 'auto_refresh_enabled';
  static const String _debugInfoKey = 'debug_info_enabled';
  static const String _globalTipsKey = 'global_tips_enabled'; // 添加全局Tips开关key

  @override
  void initState() {
    super.initState();
    _loadSettings();
  }

  Future<void> _loadSettings() async {
    final prefs = await SharedPreferences.getInstance();
    if (mounted) {
      setState(() {
        _autoRefreshEnabled = prefs.getBool(_autoRefreshKey) ?? false;
        _debugInfoEnabled = prefs.getBool(_debugInfoKey) ?? false;
        _globalTipsEnabled =
            prefs.getBool(_globalTipsKey) ?? true; // 加载全局Tips开关状态
        _preloadEnabled = prefs.getBool('preload_enabled') ?? true;
      });
    }
  }

  Future<void> _setAutoRefresh(bool value) async {
    final prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_autoRefreshKey, value);
    await AutoRefreshManager().setEnabled(value);
    if (mounted) {
      setState(() {
        _autoRefreshEnabled = value;
      });
    }
  }

  Future<void> _setDebugInfo(bool value) async {
    final prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_debugInfoKey, value);
    await DebugInfoManager().setEnabled(value);
    if (mounted) {
      setState(() {
        _debugInfoEnabled = value;
      });
    }
  }

  Future<void> _setPreload(bool value) async {
    await LocalCacheManager().setPreloadEnabled(value);
    if (mounted) {
      setState(() {
        _preloadEnabled = value;
      });
    }
  }

  // 设置全局Tips开关
  Future<void> _setGlobalTips(bool value) async {
    final prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_globalTipsKey, value);
    if (mounted) {
      setState(() {
        _globalTipsEnabled = value;
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: const Color(0xFFF5F5F5),
      appBar: AppBar(
        title: Text(
          '功能设置',
          style: TextStyle(
            color: AppConstants.primaryColor,
            fontWeight: FontWeight.bold,
          ),
        ),
        backgroundColor: Colors.white,
        elevation: 0,
        centerTitle: true,
        leading: IconButton(
          icon: Icon(Icons.arrow_back, color: AppConstants.primaryColor),
          onPressed: () => Navigator.of(context).pop(),
        ),
      ),
      body: ListView(
        padding: const EdgeInsets.all(16),
        children: [
          _buildSettingsGroup('基础功能', [
            _buildSwitchItem(
              '自动刷新',
              '首页诗句自动刷新（5s） ',
              Icons.refresh,
              _autoRefreshEnabled,
              _setAutoRefresh,
            ),
            _buildSwitchItem(
              '调式信息',
              '开启后可加载更多信息',
              Icons.bug_report,
              _debugInfoEnabled,
              _setDebugInfo,
            ),
            _buildSwitchItem(
              '预加载',
              _preloadEnabled
                  ? '开启后 部分数据优先使用本地缓存，减少与服务器的通信次数'
                  : '关闭后，优先使用云端数据，无延迟，但刷新缓慢',
              Icons.storage,
              _preloadEnabled,
              _setPreload,
            ),
          ]),
          const SizedBox(height: 16),
          _buildSettingsGroup('显示设置', [
            _buildSwitchItem(
              'Tap沉浸光感',
              '开启后底栏显示类iOS26 风格\nbeta实验功能',
              Icons.dark_mode,
              _darkModeEnabled,
              (value) => setState(() => _darkModeEnabled = value),
            ),
            _buildFontSliderItem(),
          ]),
          const SizedBox(height: 16),
          _buildSettingsGroup('交互反馈', [
            _buildSwitchItem(
              '全局Tips开关',
              '显示一些使用技巧',
              Icons.volume_up,
              _globalTipsEnabled,
              (value) => _setGlobalTips(value),
            ),
            _buildSwitchItem(
              '声音反馈',
              '操作时播放提示音',
              Icons.volume_up,
              _soundEnabled,
              (value) => setState(() => _soundEnabled = value),
            ),
            _buildSwitchItem(
              '震动反馈',
              '操作时震动提示',
              Icons.vibration,
              _vibrationEnabled,
              (value) => setState(() => _vibrationEnabled = value),
            ),
          ]),
          const SizedBox(height: 16),

          _buildSettingsGroup('高级设置', [
            _buildActionItem(
              'Beta开关 关闭软件',
              '开发者选项',
              Icons.developer_mode,
              () => _showSnackBar('调试模式开发中'),
            ),
            _buildActionItem(
              '重置设置',
              '恢复默认设置',
              Icons.restore,
              () => _showResetDialog(),
            ),
            _buildActionItem(
              '调试模式',
              '开发者选项',
              Icons.developer_mode,
              () => _showSnackBar('调试模式开发中'),
            ),
          ]),
          const SizedBox(height: 32),
          _buildVersionInfo(),
        ],
      ),
    );
  }

  Widget _buildSettingsGroup(String title, List<Widget> items) {
    return Container(
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(16),
        boxShadow: [
          BoxShadow(
            color: Colors.black.withValues(alpha: 0.05),
            blurRadius: 10,
            offset: const Offset(0, 2),
          ),
        ],
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Padding(
            padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
            child: Text(
              title,
              style: TextStyle(
                fontSize: 14,
                fontWeight: FontWeight.bold,
                color: AppConstants.primaryColor,
              ),
            ),
          ),
          ...items,
        ],
      ),
    );
  }

  Widget _buildSwitchItem(
    String title,
    String subtitle,
    IconData icon,
    bool value,
    ValueChanged<bool> onChanged,
  ) {
    return ListTile(
      leading: Container(
        padding: const EdgeInsets.all(8),
        decoration: BoxDecoration(
          color: AppConstants.primaryColor.withValues(alpha: 0.1),
          borderRadius: BorderRadius.circular(8),
        ),
        child: Icon(icon, color: AppConstants.primaryColor, size: 20),
      ),
      title: Text(
        title,
        style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w500),
      ),
      subtitle: Text(
        subtitle,
        style: TextStyle(fontSize: 12, color: Colors.grey[600]),
      ),
      trailing: Switch(
        value: value,
        onChanged: onChanged,
        activeThumbColor: AppConstants.primaryColor,
      ),
    );
  }

  Widget _buildFontSliderItem() {
    return ListTile(
      leading: Container(
        padding: const EdgeInsets.all(8),
        decoration: BoxDecoration(
          color: AppConstants.primaryColor.withValues(alpha: 0.1),
          borderRadius: BorderRadius.circular(8),
        ),
        child: Icon(Icons.widgets, color: AppConstants.primaryColor, size: 20),
      ),
      title: const Text(
        '桌面卡片',
        style: TextStyle(fontSize: 15, fontWeight: FontWeight.w500),
      ),
      subtitle: Text(
        '使用帮助',
        style: TextStyle(fontSize: 12, color: Colors.grey[600]),
      ),
      trailing: Icon(Icons.chevron_right, color: Colors.grey[400]),
      onTap: () {
        Navigator.push(
          context,
          MaterialPageRoute(builder: (context) => const WidgetsPage()),
        );
      },
    );
  }

  Widget _buildCacheItem() {
    return ListTile(
      leading: Container(
        padding: const EdgeInsets.all(8),
        decoration: BoxDecoration(
          color: AppConstants.primaryColor.withValues(alpha: 0.1),
          borderRadius: BorderRadius.circular(8),
        ),
        child: Icon(Icons.storage, color: AppConstants.primaryColor, size: 20),
      ),
      title: const Text(
        '缓存大小',
        style: TextStyle(fontSize: 15, fontWeight: FontWeight.w500),
      ),
      subtitle: Text(
        '$_cacheSize MB',
        style: TextStyle(fontSize: 12, color: Colors.grey[600]),
      ),
      trailing: Icon(Icons.chevron_right, color: Colors.grey[400]),
    );
  }

  Widget _buildActionItem(
    String title,
    String subtitle,
    IconData icon,
    VoidCallback onTap,
  ) {
    return ListTile(
      leading: Container(
        padding: const EdgeInsets.all(8),
        decoration: BoxDecoration(
          color: AppConstants.primaryColor.withValues(alpha: 0.1),
          borderRadius: BorderRadius.circular(8),
        ),
        child: Icon(icon, color: AppConstants.primaryColor, size: 20),
      ),
      title: Text(
        title,
        style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w500),
      ),
      subtitle: Text(
        subtitle,
        style: TextStyle(fontSize: 12, color: Colors.grey[600]),
      ),
      trailing: Icon(Icons.chevron_right, color: Colors.grey[400]),
      onTap: onTap,
    );
  }

  Widget _buildVersionInfo() {
    return Container(
      padding: const EdgeInsets.all(20),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(16),
        boxShadow: [
          BoxShadow(
            color: Colors.black.withValues(alpha: 0.05),
            blurRadius: 10,
            offset: const Offset(0, 2),
          ),
        ],
      ),
      child: Column(
        children: [
          Icon(
            Icons.settings_suggest,
            size: 40,
            color: AppConstants.primaryColor,
          ),
          const SizedBox(height: 12),
          Text(
            AppConstants.appName,
            style: const TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
          ),
          const SizedBox(height: 4),
          Text(
            '版本 ${AppConstants.appVersion}',
            style: TextStyle(fontSize: 13, color: Colors.grey[600]),
          ),
        ],
      ),
    );
  }

  void _showSnackBar(String message) {
    ScaffoldMessenger.of(
      context,
    ).showSnackBar(SnackBar(content: Text(message)));
  }

  void _showClearCacheDialog() {
    showDialog(
      context: context,
      builder: (context) => AlertDialog(
        title: const Text('清除缓存'),
        content: const Text('确定要清除所有缓存数据吗？这不会影响您的笔记和收藏。'),
        actions: [
          TextButton(
            onPressed: () => Navigator.of(context).pop(),
            child: const Text('取消'),
          ),
          TextButton(
            onPressed: () {
              Navigator.of(context).pop();
              setState(() {
                _cacheSize = 0;
              });
              _showSnackBar('缓存已清除');
            },
            child: Text('确定', style: TextStyle(color: Colors.red[400])),
          ),
        ],
      ),
    );
  }

  void _showResetDialog() {
    showDialog(
      context: context,
      builder: (context) => AlertDialog(
        title: const Text('重置设置'),
        content: const Text('确定要恢复默认设置吗？'),
        actions: [
          TextButton(
            onPressed: () => Navigator.of(context).pop(),
            child: const Text('取消'),
          ),
          TextButton(
            onPressed: () async {
              Navigator.of(context).pop();
              await _setAutoRefresh(false);
              await _setDebugInfo(false);
              setState(() {
                _soundEnabled = true;
                _vibrationEnabled = true;
                _globalTipsEnabled = true; // 重置全局Tips开关为开启
                _darkModeEnabled = false;
                _notificationEnabled = true;
              });
              _showSnackBar('已恢复默认设置');
            },
            child: Text('确定', style: TextStyle(color: Colors.red[400])),
          ),
        ],
      ),
    );
  }
}