import 'dart:async';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import '../../constants/app_constants.dart';
import '../../services/get/theme_controller.dart';
import '../../models/colors/app_colors.dart';
import '../../views/profile/theme/app-diy.dart';
import '../../views/footprint/collect_notes.dart';
import '../../views/profile/app-info.dart';
import '../../views/home/care/care-page.dart';
import '../../views/profile/guide/beginner_page.dart';
import '../../views/active/active_search_page.dart';
import '../../views/active/rate.dart';
import '../../views/profile/components/entire_page.dart';

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

  @override
  State<SuggestionsCard> createState() => _SuggestionsCardState();
}

class _SuggestionsCardState extends State<SuggestionsCard> {
  final ThemeController _themeController = Get.find<ThemeController>();
  bool _showAlternativeContent = false;
  final PageController _pageController = PageController();
  int _currentPage = 0;
  late List<Map<String, dynamic>> _actionItems;

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

  /// 随机排序选项
  void _shuffleActionItems() {
    _actionItems = [
      {
        'title': '主题风格',
        'subtitle': '自定义应用主题',
        'icon': Icons.palette,
        'page': const AppDiyPage(),
      },
      {
        'title': '创建笔记',
        'subtitle': '快速创建新笔记',
        'icon': Icons.note_add,
        'page': const CollectNotesPage(),
      },
      {
        'title': '关怀模式',
        'subtitle': '大字简洁模式',
        'icon': Icons.favorite,
        'page': const CarePage(),
      },
      {
        'title': '使用教程',
        'subtitle': '软件功能指南',
        'icon': Icons.menu_book,
        'page': const BeginnerPage(),
      },
      {
        'title': '诗词搜索',
        'subtitle': '全站诗词搜索',
        'icon': Icons.search,
        'page': const ActiveSearchPage(),
      },
      {
        'title': '调试页面',
        'subtitle': '活跃数据调试',
        'icon': Icons.bug_report,
        'page': const RatePage(),
      },
      {
        'title': ' 搜索设置',
        'subtitle': '搜索软件内的设置',
        'icon': Icons.search,
        'page': const _PlaceholderPage(title: '搜索设置'),
      },
      {
        'title': '统计',
        'subtitle': '全站数据统计',
        'icon': Icons.bar_chart,
        'page': const EntirePage(),
      },
      {
        'title': '了解软件',
        'subtitle': '查看应用信息',
        'icon': Icons.info,
        'page': const AppInfoPage(),
      },
    ];
    _actionItems.shuffle();
  }

  @override
  void dispose() {
    _pageController.dispose();
    super.dispose();
  }

  /// 导航到页面并添加返回悬浮按钮
  void _navigateToPage(Widget page) {
    Get.to(() => _PageWithBackButton(child: page));
  }

  @override
  Widget build(BuildContext context) {
    return Obx(() {
      final isDark = _themeController.isDarkModeRx.value;
      final themeColor = AppColors.primary;

      return Container(
        padding: const EdgeInsets.all(20),
        decoration: BoxDecoration(
          color: isDark ? const Color(0xFF2A2A2A) : Colors.white,
          borderRadius: BorderRadius.circular(16),
          boxShadow: [
            BoxShadow(
              color: Colors.black.withValues(alpha: isDark ? 0.3 : 0.05),
              blurRadius: 10,
              offset: const Offset(0, 2),
            ),
          ],
        ),
        child: Column(
          children: [
            GestureDetector(
              onTap: () {
                setState(() {
                  _showAlternativeContent = !_showAlternativeContent;
                });
              },
              child: Row(
                children: [
                  Icon(Icons.settings_suggest, size: 40, color: themeColor),
                  const SizedBox(width: 16),
                  Expanded(
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        Text(
                          '设置建议',
                          style: TextStyle(
                            fontSize: 16,
                            fontWeight: FontWeight.bold,
                            color: isDark ? Colors.white : Colors.black,
                          ),
                        ),
                        const SizedBox(height: 4),
                        Text(
                          _showAlternativeContent ? '是否在找，清理数据' : '是否在找，主题风格',
                          style: TextStyle(
                            fontSize: 13,
                            color: isDark ? Colors.grey[400] : Colors.grey[600],
                          ),
                        ),
                      ],
                    ),
                  ),
                  GestureDetector(
                    onTap: () {
                      final nextPage = (_currentPage + 1) % 3;
                      _pageController.animateToPage(
                        nextPage,
                        duration: const Duration(milliseconds: 300),
                        curve: Curves.easeInOut,
                      );
                    },
                    child: Icon(Icons.refresh, color: themeColor),
                  ),
                ],
              ),
            ),
            const SizedBox(height: 16),
            SizedBox(
              height: 160,
              child: PageView(
                controller: _pageController,
                onPageChanged: (index) {
                  setState(() {
                    _currentPage = index;
                  });
                },
                children: [
                  // 第一页：随机排序后的前4个选项
                  Column(
                    children: [
                      Row(
                        children: [
                          Expanded(
                            child: _buildActionButton(
                              _actionItems[0]['title'],
                              _actionItems[0]['subtitle'],
                              _actionItems[0]['icon'],
                              () => _navigateToPage(_actionItems[0]['page']),
                            ),
                          ),
                          const SizedBox(width: 12),
                          Expanded(
                            child: _buildActionButton(
                              _actionItems[1]['title'],
                              _actionItems[1]['subtitle'],
                              _actionItems[1]['icon'],
                              () => _navigateToPage(_actionItems[1]['page']),
                            ),
                          ),
                        ],
                      ),
                      const SizedBox(height: 12),
                      Row(
                        children: [
                          Expanded(
                            child: _buildActionButton(
                              _actionItems[2]['title'],
                              _actionItems[2]['subtitle'],
                              _actionItems[2]['icon'],
                              () => _navigateToPage(_actionItems[2]['page']),
                            ),
                          ),
                          const SizedBox(width: 12),
                          Expanded(
                            child: _buildActionButton(
                              _actionItems[3]['title'],
                              _actionItems[3]['subtitle'],
                              _actionItems[3]['icon'],
                              () => _navigateToPage(_actionItems[3]['page']),
                            ),
                          ),
                        ],
                      ),
                    ],
                  ),
                  // 第二页：随机排序后的中间4个选项
                  Column(
                    children: [
                      Row(
                        children: [
                          Expanded(
                            child: _buildActionButton(
                              _actionItems[4]['title'],
                              _actionItems[4]['subtitle'],
                              _actionItems[4]['icon'],
                              () => _navigateToPage(_actionItems[4]['page']),
                            ),
                          ),
                          const SizedBox(width: 12),
                          Expanded(
                            child: _buildActionButton(
                              _actionItems[5]['title'],
                              _actionItems[5]['subtitle'],
                              _actionItems[5]['icon'],
                              () => _navigateToPage(_actionItems[5]['page']),
                            ),
                          ),
                        ],
                      ),
                      const SizedBox(height: 12),
                      Row(
                        children: [
                          Expanded(
                            child: _buildActionButton(
                              _actionItems[6]['title'],
                              _actionItems[6]['subtitle'],
                              _actionItems[6]['icon'],
                              () => _navigateToPage(_actionItems[6]['page']),
                            ),
                          ),
                          const SizedBox(width: 12),
                          Expanded(
                            child: _buildActionButton(
                              _actionItems[7]['title'],
                              _actionItems[7]['subtitle'],
                              _actionItems[7]['icon'],
                              () => _navigateToPage(_actionItems[7]['page']),
                            ),
                          ),
                        ],
                      ),
                    ],
                  ),
                  // 第三页：最后一个选项
                  Column(
                    children: [
                      Row(
                        children: [
                          Expanded(
                            child: _buildActionButton(
                              _actionItems[8]['title'],
                              _actionItems[8]['subtitle'],
                              _actionItems[8]['icon'],
                              () => _navigateToPage(_actionItems[8]['page']),
                            ),
                          ),
                          const SizedBox(width: 12),
                          Expanded(child: Container()),
                        ],
                      ),
                    ],
                  ),
                ],
              ),
            ),
            const SizedBox(height: 8),
            // 页面指示器
            Row(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Container(
                  width: 8,
                  height: 8,
                  decoration: BoxDecoration(
                    shape: BoxShape.circle,
                    color: _currentPage == 0
                        ? themeColor
                        : (isDark ? Colors.grey[600] : Colors.grey[300]),
                  ),
                ),
                const SizedBox(width: 8),
                Container(
                  width: 8,
                  height: 8,
                  decoration: BoxDecoration(
                    shape: BoxShape.circle,
                    color: _currentPage == 1
                        ? themeColor
                        : (isDark ? Colors.grey[600] : Colors.grey[300]),
                  ),
                ),
                const SizedBox(width: 8),
                Container(
                  width: 8,
                  height: 8,
                  decoration: BoxDecoration(
                    shape: BoxShape.circle,
                    color: _currentPage == 2
                        ? themeColor
                        : (isDark ? Colors.grey[600] : Colors.grey[300]),
                  ),
                ),
              ],
            ),
          ],
        ),
      );
    });
  }

  Widget _buildActionButton(
    String title,
    String subtitle,
    IconData icon,
    VoidCallback onTap,
  ) {
    final isDark = _themeController.isDarkModeRx.value;
    final themeColor = AppColors.primary;

    return InkWell(
      onTap: onTap,
      borderRadius: BorderRadius.circular(12),
      child: Container(
        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
        decoration: BoxDecoration(
          color: isDark ? const Color(0xFF333333) : const Color(0xFFF5F5F7),
          borderRadius: BorderRadius.circular(12),
          border: Border.all(
            color: themeColor.withValues(alpha: 0.2),
            width: 1,
          ),
        ),
        child: Row(
          mainAxisAlignment: MainAxisAlignment.spaceBetween,
          children: [
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    title,
                    style: TextStyle(
                      fontSize: 14,
                      fontWeight: FontWeight.w600,
                      color: isDark ? Colors.white : Colors.black,
                    ),
                  ),
                  const SizedBox(height: 2),
                  Text(
                    subtitle,
                    style: TextStyle(
                      fontSize: 11,
                      color: isDark ? Colors.grey[400] : Colors.grey[600],
                    ),
                    maxLines: 1,
                    overflow: TextOverflow.ellipsis,
                  ),
                ],
              ),
            ),
            const SizedBox(width: 8),
            Container(
              width: 36,
              height: 36,
              decoration: BoxDecoration(
                color: themeColor.withValues(alpha: 0.15),
                borderRadius: BorderRadius.circular(10),
              ),
              child: Icon(icon, color: themeColor, size: 20),
            ),
          ],
        ),
      ),
    );
  }
}

/// 页面包装器 - 添加左侧返回悬浮按钮
class _PageWithBackButton extends StatefulWidget {
  final Widget child;

  const _PageWithBackButton({required this.child});

  @override
  State<_PageWithBackButton> createState() => _PageWithBackButtonState();
}

class _PageWithBackButtonState extends State<_PageWithBackButton> {
  bool _showBackButton = true;
  Timer? _hideTimer;

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

  void _startHideTimer() {
    _hideTimer?.cancel();
    _hideTimer = Timer(const Duration(seconds: 5), () {
      if (mounted) {
        setState(() {
          _showBackButton = false;
        });
      }
    });
  }

  @override
  void dispose() {
    _hideTimer?.cancel();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    final themeController = Get.find<ThemeController>();

    return Obx(() {
      final isDark = themeController.isDarkModeRx.value;
      final themeColor = AppColors.primary;

      return Scaffold(
        body: Stack(
          children: [
            // 原始页面内容
            widget.child,

            // 左侧返回悬浮按钮
            if (_showBackButton)
              Positioned(
                left: 0,
                top: MediaQuery.of(context).size.height * 0.45,
                child: GestureDetector(
                  onTap: () => Get.back(),
                  child: AnimatedOpacity(
                    opacity: _showBackButton ? 1.0 : 0.0,
                    duration: const Duration(milliseconds: 300),
                    child: Container(
                      padding: const EdgeInsets.symmetric(
                        horizontal: 12,
                        vertical: 16,
                      ),
                      decoration: BoxDecoration(
                        color: isDark ? const Color(0xFF2A2A2A) : Colors.white,
                        borderRadius: const BorderRadius.only(
                          topRight: Radius.circular(20),
                          bottomRight: Radius.circular(20),
                        ),
                        boxShadow: [
                          BoxShadow(
                            color: Colors.black.withValues(
                              alpha: isDark ? 0.4 : 0.15,
                            ),
                            blurRadius: 8,
                            offset: const Offset(2, 0),
                          ),
                        ],
                      ),
                      child: Row(
                        mainAxisSize: MainAxisSize.min,
                        children: [
                          Icon(
                            Icons.arrow_back_ios,
                            color: themeColor,
                            size: 18,
                          ),
                          const SizedBox(width: 4),
                          Text(
                            '返回',
                            style: TextStyle(
                              fontSize: 14,
                              fontWeight: FontWeight.w500,
                              color: isDark ? Colors.white : Colors.black87,
                            ),
                          ),
                        ],
                      ),
                    ),
                  ),
                ),
              ),
          ],
        ),
      );
    });
  }
}

/// 占位页面 - 用于清理数据功能
class _PlaceholderPage extends StatelessWidget {
  final String title;

  const _PlaceholderPage({required this.title});

  @override
  Widget build(BuildContext context) {
    final themeController = Get.find<ThemeController>();

    return Obx(() {
      final isDark = themeController.isDarkModeRx.value;
      final themeColor = AppColors.primary;

      return Scaffold(
        appBar: AppBar(
          title: Text(title),
          backgroundColor: isDark ? const Color(0xFF1A1A1A) : Colors.white,
          foregroundColor: isDark ? Colors.white : Colors.black,
          elevation: 0,
        ),
        backgroundColor: isDark ? const Color(0xFF121212) : Colors.grey[50],
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Icon(
                Icons.construction,
                size: 64,
                color: themeColor.withValues(alpha: 0.5),
              ),
              const SizedBox(height: 16),
              Text(
                '$title 功能开发中',
                style: TextStyle(
                  fontSize: 18,
                  fontWeight: FontWeight.w500,
                  color: isDark ? Colors.white : Colors.black87,
                ),
              ),
              const SizedBox(height: 8),
              Text(
                '敬请期待',
                style: TextStyle(
                  fontSize: 14,
                  color: isDark ? Colors.grey[400] : Colors.grey[600],
                ),
              ),
            ],
          ),
        ),
      );
    });
  }
}