import 'package:flisp_app/provider/app_provider.dart';
import 'package:flisp_app/utils/theme_utils.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

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

  @override
  State<AppDrawer> createState() => AppDrawerState();
}

class AppDrawerState extends State<AppDrawer> {
  DrawerHeader _buildDrawerHeader() {
    return DrawerHeader(
      decoration: BoxDecoration(color: Theme.of(context).colorScheme.primary),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          CircleAvatar(
            radius: 30,
            backgroundColor: Colors.white,
            child: Icon(
              Icons.flash_on,
              color: Theme.of(context).colorScheme.primary,
              size: 40,
            ),
          ),
          SizedBox(height: 10),
          Text(
            '闪灵',
            style: TextStyle(
              color: Colors.white,
              fontSize: 24,
              fontWeight: FontWeight.bold,
            ),
          ),
          Text(
            '记录每一刻的灵感',
            style: TextStyle(color: Colors.white70, fontSize: 14),
          ),
        ],
      ),
    );
  }

  Widget _buildDarkModeSection(AppProvider appProvider) {
    return ListTile(
      leading: Icon(
        appProvider.isDarkMode ? Icons.dark_mode : Icons.light_mode,
        color: Theme.of(context).colorScheme.primary,
      ),
      title: const Text('暗黑模式'),
      trailing: Switch(
        value: appProvider.isDarkMode,
        onChanged: (value) {
          appProvider.toggleDarkMode(value);
        },
      ),
      onTap: () {
        appProvider.toggleDarkMode(!appProvider.isDarkMode);
      },
    );
  }

  Widget _buildThemeSection(AppProvider appProvider) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Padding(
          padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
          child: Text('主题颜色', style: Theme.of(context).textTheme.titleMedium),
        ),
        _buildDarkModeSection(appProvider),
        buildThemeColorList(context, appProvider),
      ],
    );
  }

  // 构建抽屉菜单项
  Widget _buildDrawerItem({
    required IconData icon,
    required String title,
    required VoidCallback onTap,
  }) {
    return ListTile(
      leading: Icon(icon, color: Theme.of(context).colorScheme.primary),
      title: Text(title),
      onTap: onTap,
    );
  }

  Widget _buildVersionInfo({
    required BuildContext context,
    required String fullVersion,
  }) {
    return Container(
      width: double.infinity,
      padding: EdgeInsets.all(8),
      decoration: BoxDecoration(
        border: Border(top: BorderSide(color: Colors.grey.shade300)),
      ),
      child: Text(
        '版本 v$fullVersion',
        textAlign: TextAlign.center,
        style: TextStyle(
          fontSize: 12,
          color: Theme.of(context).colorScheme.primary,
        ),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    final appProvider = context.watch<AppProvider>();

    return Drawer(
      child: Column(
        children: [
          Expanded(
            child: ListView(
              padding: EdgeInsets.zero,
              children: [
                _buildDrawerHeader(),
                _buildThemeSection(appProvider),
                const Divider(),
                _buildDrawerItem(
                  icon: Icons.help,
                  title: '帮助与反馈',
                  onTap: () {
                    Navigator.pop(context);
                    // 这里可以导航到帮助页面
                  },
                ),
              ],
            ),
          ),
          _buildVersionInfo(
            context: context,
            fullVersion: appProvider.fullVersion,
          ),
        ],
      ),
    );
  }
}