flutter_app_android/lib/presentation/screens/profile/profile_screen.dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../../../core/constants/route_constants.dart';
import '../../providers/auth_provider.dart';
import '../../navigation/bottom_nav_bar.dart';
import '../../widgets/common/app_button.dart';
import 'profile_about_screen.dart';
import 'profile_detail_screen.dart';
import 'profile_help_screen.dart';
import 'profile_modify_password_screen.dart';

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

  @override
  Widget build(BuildContext context) {
    // 直接显示内容，认证由路由层处理
    return _ProfileContent();
  }
}

class _ProfileContent extends StatefulWidget {
  @override
  State<_ProfileContent> createState() => _ProfileContentState();
}

class _ProfileContentState extends State<_ProfileContent> {
  // @override
  // void initState() {
  //   super.initState();
  //   WidgetsBinding.instance.addPostFrameCallback((_) {
  //     final userProvider = Provider.of<UserProvider>(context, listen: false);
  //     userProvider.loadUserProfile();
  //   });
  // }

  @override
  Widget build(BuildContext context) {
    final authProvider = Provider.of<AuthProvider>(context);
    
    return Scaffold(
      appBar: AppBar(
        title: const Text('我的'),
        actions: [
          IconButton(
            icon: const Icon(Icons.settings_outlined),
            onPressed: () {
              // 跳转到设置页面
            },
          ),
        ],
      ),
      body: SingleChildScrollView(
        child: Column(
          children: [
            if (!authProvider.isAuthenticated) ...[
              // 欢迎区域
              Card(
                margin: const EdgeInsets.all(16),
                shape: RoundedRectangleBorder(
                  borderRadius: BorderRadius.circular(16),
                ),
                // color: Colors.blue[50],
                elevation: 2,
                child: Padding(
                  padding: const EdgeInsets.all(20),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Row(
                        children: [
                          CircleAvatar(
                            radius: 30,
                            backgroundColor: Colors.blue[100],
                            child: Icon(
                              Icons.person,
                              size: 30,
                              color: Colors.blue,
                            ),
                          ),
                          const SizedBox(width: 16),
                          Expanded(
                            child: Column(
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                Text(
                                  authProvider.isAuthenticated
                                      ? '您好，${authProvider.user?.fullName}'
                                      : '您好，游客',
                                  style: const TextStyle(
                                    fontSize: 18,
                                    fontWeight: FontWeight.bold,
                                  ),
                                ),
                                const SizedBox(height: 4),
                                Text(
                                  authProvider.isAuthenticated
                                      ? '欢迎回来！'
                                      : '请登录以使用完整功能',
                                  style: TextStyle(
                                    fontSize: 14,
                                    color: Colors.grey[600],
                                  ),
                                ),
                              ],
                            ),
                          ),
                        ],
                      ),
                      const SizedBox(height: 20),
                      if (!authProvider.isAuthenticated)
                        AppButton(
                          text: '立即登录',
                          onPressed: () {
                            Navigator.of(context).pushNamed('/login');
                          },
                          backgroundColor: Colors.blue,
                          height: 45,
                        ),
                    ],
                  ),
                ),
              ),
            ] else ...[
              // 用户信息卡片
              Card(
                margin: const EdgeInsets.all(16),
                shape: RoundedRectangleBorder(
                  borderRadius: BorderRadius.circular(16),
                ),
                // color: Colors.blue[50],
                elevation: 2,
                child: Padding(
                  padding: const EdgeInsets.all(20),
                  child: Column(
                    children: [
                      GestureDetector(
                        onTap: () {
                          // 点击头像
                        },
                        child: Stack(
                          children: [
                            CircleAvatar(
                              radius: 50,
                              backgroundColor: Colors.blue[100],
                              backgroundImage: authProvider.user?.avatar != null
                                  ? NetworkImage(authProvider.user!.avatar!)
                                  : null,
                              child: authProvider.user?.avatar == null
                                  ? const Icon(
                                      Icons.person,
                                      size: 60,
                                      color: Colors.blue,
                                    )
                                  : null,
                            ),
                            Positioned(
                              bottom: 0,
                              right: 0,
                              child: Container(
                                padding: const EdgeInsets.all(6),
                                decoration: BoxDecoration(
                                  color: Colors.blue,
                                  borderRadius: BorderRadius.circular(20),
                                  border: Border.all(
                                    color: Colors.white,
                                    width: 2,
                                  ),
                                ),
                              ),
                            ),
                          ],
                        ),
                      ),
                      const SizedBox(height: 16),
                      Text(
                        authProvider.user?.fullName ?? '用户',
                        style: const TextStyle(
                          fontSize: 22,
                          fontWeight: FontWeight.bold,
                        ),
                      ),
                      const SizedBox(height: 8),
                      Text(
                        authProvider.user?.email ?? '',
                        style: TextStyle(
                          fontSize: 14,
                          color: Colors.grey[600],
                        ),
                      ),
                      if (authProvider.user?.phone != null)
                        Padding(
                          padding: const EdgeInsets.only(top: 4),
                          child: Text(
                            authProvider.user!.phone!,
                            style: TextStyle(
                              fontSize: 14,
                              color: Colors.grey[600],
                            ),
                          ),
                        ),
                      const SizedBox(height: 16),
                      Row(
                        mainAxisAlignment: MainAxisAlignment.center,
                        children: [
                          _buildStatItem('关注', '0'),
                          _buildVerticalDivider(),
                          _buildStatItem('粉丝', '0'),
                          _buildVerticalDivider(),
                          _buildStatItem('积分', '0'),
                        ],
                      ),
                    ],
                  ),
                ),
              ),
            ],
            // 菜单项
            Padding(
              padding: const EdgeInsets.symmetric(horizontal: 16),
              child: Column(
                children: [
                  if (authProvider.isAuthenticated) ... [
                    _buildMenuCard(
                      title: '账户设置',
                      items: [
                        _buildMenuItem(
                          icon: Icons.person_outline,
                          title: '个人信息',
                          subtitle: '查看和编辑个人信息',
                          onTap: () {
                            Navigator.of(context).push(
                              MaterialPageRoute(
                                builder: (_) => const ProfileDetailScreen(),
                              ),
                            );
                          },
                        ),
                        _buildMenuItem(
                          icon: Icons.lock_outline,
                          title: '账号安全',
                          subtitle: '修改密码',
                          onTap: () {
                            Navigator.of(context).push(
                              MaterialPageRoute(
                                builder: (_) => const ChangePasswordScreen(),
                              ),
                            );
                          },
                        ),
                        _buildMenuItem(
                          icon: Icons.notifications_none,
                          title: '消息通知',
                          subtitle: '管理通知偏好设置',
                          onTap: () {},
                        ),
                      ],
                    ),
                    const SizedBox(height: 16),
                    _buildMenuCard(
                      title: '我的内容',
                      items: [
                        _buildMenuItem(
                          icon: Icons.bookmark_border,
                          title: '我的收藏',
                          subtitle: '查看收藏的内容',
                          onTap: () {},
                        ),
                        _buildMenuItem(
                          icon: Icons.history,
                          title: '浏览历史',
                          subtitle: '查看最近浏览记录',
                          onTap: () {},
                        ),
                        _buildMenuItem(
                          icon: Icons.download,
                          title: '我的下载',
                          subtitle: '管理下载的文件',
                          onTap: () {},
                        ),
                      ],
                    ),
                    const SizedBox(height: 16),
                  ],
                  _buildMenuCard(
                    title: '其他',
                    items: [
                      _buildMenuItem(
                        icon: Icons.help_outline,
                        title: '帮助中心',
                        subtitle: '常见问题和帮助文档',
                        onTap: () {
                          Navigator.of(context).push(
                              MaterialPageRoute(
                                builder: (_) => const HelpCenterScreen(),
                              ),
                            );
                        },
                      ),
                      _buildMenuItem(
                        icon: Icons.info_outline,
                        title: '关于我们',
                        subtitle: '了解应用信息',
                        onTap: () {
                          Navigator.of(context).push(
                              MaterialPageRoute(
                                builder: (_) => const AboutUsScreen(),
                              ),
                            );
                        },
                      ),
                      if (authProvider.isAuthenticated) ... [
                        _buildMenuItem(
                          icon: Icons.logout,
                          title: '退出登录',
                          subtitle: '安全退出当前账号',
                          onTap: () async {
                            // 防止重复点击
                            if (authProvider.isLoading) return;

                            final shouldLogout = await showDialog<bool>(
                              context: context,
                              builder: (context) {
                                final isIOS = Theme.of(context).platform == TargetPlatform.iOS;
                                
                                if (isIOS) {
                                  // iOS风格：确定在右边，取消在左边
                                  return AlertDialog(
                                    title: const Text('确认退出'),
                                    content: const Text('确定要退出登录吗？'),
                                    actionsAlignment: MainAxisAlignment.spaceBetween,
                                    actions: [
                                      TextButton(
                                        onPressed: () => Navigator.of(context).pop(true),
                                        child: const Text('确定'),
                                      ),
                                      TextButton(
                                        onPressed: () => Navigator.of(context).pop(false),
                                        child: const Text('取消'),
                                      ),
                                    ],
                                  );
                                } else {
                                  // Android/Material风格：取消在左边，确定在右边
                                  return AlertDialog(
                                    title: const Text('确认退出'),
                                    content: const Text('确定要退出登录吗？'),
                                    actionsAlignment: MainAxisAlignment.spaceBetween,
                                    actions: [
                                      TextButton(
                                        onPressed: () => Navigator.of(context).pop(false),
                                        child: const Text('取消'),
                                      ),
                                      TextButton(
                                        onPressed: () => Navigator.of(context).pop(true),
                                        child: const Text('确定'),
                                      ),
                                    ],
                                  );
                                }
                              },
                            );
                            
                            if (shouldLogout == true) {
                              await authProvider.logout();

                              // 登出后，确保在组件仍然存在时进行导航
                              if (mounted) {
                                // 使用pushReplacementNamed清空导航栈
                                Navigator.of(context).pushReplacementNamed(RouteConstants.home);
                              }
                            }
                          },
                        ),
                      ],
                    ],
                  ),
                  const SizedBox(height: 20),
                  // 版本信息
                  Padding(
                    padding: const EdgeInsets.symmetric(vertical: 20),
                    child: Text(
                      '版本 v1.0.0',
                      style: TextStyle(
                        fontSize: 12,
                        color: Colors.grey[500],
                      ),
                    ),
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
      bottomNavigationBar: const BottomNavBar(initialIndex: 3),
    );
  }
  
  Widget _buildStatItem(String label, String value) {
    return Expanded(
      child: Column(
        children: [
          Text(
            value,
            style: const TextStyle(
              fontSize: 18,
              fontWeight: FontWeight.bold,
            ),
          ),
          const SizedBox(height: 4),
          Text(
            label,
            style: TextStyle(
              fontSize: 12,
              color: Colors.grey[600],
            ),
          ),
        ],
      ),
    );
  }
  
  Widget _buildVerticalDivider() {
    return Container(
      width: 1,
      height: 40,
      color: Colors.grey[300],
      margin: const EdgeInsets.symmetric(horizontal: 16),
    );
  }
  
  Widget _buildMenuCard({
    required String title,
    required List<Widget> items,
  }) {
    return Card(
      elevation: 2,
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(12),
      ),
      child: Padding(
        padding: const EdgeInsets.all(16),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              title,
              style: const TextStyle(
                fontSize: 16,
                fontWeight: FontWeight.bold,
              ),
            ),
            const SizedBox(height: 12),
            Column(children: items),
          ],
        ),
      ),
    );
  }
  
  Widget _buildMenuItem({
    required IconData icon,
    required String title,
    required String subtitle,
    required VoidCallback onTap,
  }) {
    return ListTile(
      contentPadding: EdgeInsets.zero,
      leading: Icon(icon),
      title: Text(title),
      subtitle: Text(subtitle),
      trailing: const Icon(Icons.chevron_right),
      onTap: onTap,
    );
  }
}