import 'dart:async';

import 'package:yx_app_upgrade_flutter/app_upgrade_plugin.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_localizations/flutter_localizations.dart';

void main() {
  // 确保Flutter绑定已初始化
  WidgetsFlutterBinding.ensureInitialized();

  // 插件现在会自动配置证书验证：
  // - Debug模式：自动绕过证书验证
  // - Release模式：严格证书验证

  // 如需强制绕过证书（不推荐），可以使用：
  // AppUpgradePlugin.ignoreCertificate = true;

  // 或手动配置HTTP设置：
  // AppUpgradePlugin().configureHttp(HttpConfig.unsafe);

  // 延迟插件配置到Flutter完全初始化后

  runApp(const MyApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      // 这里是国际化支持，确保添加flutter_localizations依赖
      supportedLocales: const [Locale('zh', 'CN')],
      localizationsDelegates: const [
        GlobalMaterialLocalizations.delegate,
        GlobalWidgetsLocalizations.delegate,
        GlobalCupertinoLocalizations.delegate,
      ],
      home: const HomePage(),
    );
  }
}

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

  @override
  State<HomePage> createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  String _platformVersion = 'Unknown';
  final _appUpgradePlugin = AppUpgradePlugin();

  @override
  void initState() {
    super.initState();
    initPlatformState();
    // Use addPostFrameCallback to ensure the context is valid and mounted
    // after the first frame has been rendered.
    WidgetsBinding.instance.addPostFrameCallback((_) {
      if (mounted) {
        _testNetworkFunctionality();
      }
    });
  }

  Future<void> _testNetworkFunctionality() async {
    await AppUpgradeSimple.instance.checkUpdate(
      context: context,
      future: () async {
        // 模拟获取服务器版本信息
        // 实际使用时，您应该调用您的API，并返回 AppUpgradeVersion 对象
        // final response = await myApi.checkVersion();
        // return AppUpgradeVersion(...);

        // 这里为了演示，我们手动构造一个版本信息
        return AppUpgradeVersion(
          versionName: '1.0.1',
          versionBuildNumber: 11,
          isForce: true,
          updateContent: '修复了一些Bug\n优化了用户体验',
          downloadUrl: 'https://example.com/app.apk',
          supportedMethods: [AppUpgradeMethod.browser, AppUpgradeMethod.inApp, AppUpgradeMethod.market],
        );
      },
      showNoUpdateToast: false, // 禁用"已是最新版本"的提示
      autoInstall: true,
    );
    debugPrint('=== 网络功能测试完成 ===');
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      platformVersion = await _appUpgradePlugin.getPlatformVersion() ?? 'Unknown platform version';
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('App Upgrade Plugin 示例'),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text('Running on: $_platformVersion\n'),
            const SizedBox(height: 16),
            ElevatedButton(
              onPressed: () {
                AppUpgradeSimple.instance.checkUpdate(
                  context: context,
                  future: () async {
                    // 模拟获取服务器版本信息
                    return AppUpgradeVersion(
                      versionName: '1.0.1',
                      versionBuildNumber: 11,
                      updateContent: '这是一个新版本',
                      downloadUrl: 'https://example.com/app.apk',
                    );
                  },
                  showNoUpdateToast: false, // 禁用"已是最新版本"的提示
                  autoInstall: false,
                );
              },
              child: const Text('检查更新'),
            ),
          ],
        ),
      ),
    );
  }
}