import 'dart:async';
import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:yx_app_upgrade_flutter/app_upgrade_plugin.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> {
  @override
  void initState() {
    super.initState();
    // 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 {
        final updateAppEvent = await _getUpdateAppEvent();
        debugPrint("获取最新版本: $updateAppEvent");
        if (updateAppEvent == null) return null;

        return _convertToAppUpgradeVersion(updateAppEvent);
      },
      onComplete: () {
        debugPrint("更新插件执行完成....");
      },
      config: UpgradeConfig.development,
      // showNoUpdateToast: false,
      // autoDownload: false,
      // autoInstall: true,
    );
  }

  /// 获取最新版本
  Future<Map<String, dynamic>?> _getUpdateAppEvent() async {
    // 获取设备信息
    // String deviceInfo;
    /// 1:安卓,2:IOS
    int? deviceType = Platform.isAndroid
        ? 1
        : Platform.isIOS
            ? 2
            : null;
    if (deviceType == null) return null;

    /// 支持更新内容 加粗、高亮、斜体、等
    return {
      "id": 708608950206533,
      "version": 307,
      "versionName": "1.0.9",
      "remark": """班级活动 / 文创更新，支持**多选班级**；
新增成长中心；
学科辅助可**全选学生**；
学习习惯抽查打分方式优化；
1 对 1 谈话选学生时，可直观查看本月已谈话次数；
上传图片支持多选，操作优化；
解决方案搜索移除年级限制；
总部长 / 部长可一键清除已读状态，布置任务可撤回重发。""",
      "imageBase": null,
      "updatetype": 1,
      "isActive": 1,
      "fileid": 708608942190661,
      "fileName": "app-release(62).apk",
      "filePath": AppUpgradeVersion.getAppStoreByUrl('6747421483'),
      // "filePath":
      //     "https://quanxue-oa.oss-cn-chengdu.aliyuncs.com/20251106/1762422545956.apk.1",
      "fileSize": 144214,
      "isforce": true
    };
  }

  /// 将 UpdateappResult 转换为 AppUpgradeVersion
  AppUpgradeVersion _convertToAppUpgradeVersion(Map<String, dynamic> model) {
    // 将文件大小从 KB 转换为字节
    final int? apkSizeBytes = model['fileSize'] != null ? model['fileSize'] * 1024 : null;
    final filePath = model['filePath'];
    final appUpgradeVersion = AppUpgradeVersion(
      versionName: model['versionName'],
      versionBuildNumber: model['version'],
      isForce: model['isforce'],
      updateContent: model['remark'],
      downloadUrl: filePath,
      appStoreUrl: filePath,
      apkSize: apkSizeBytes,
      apkMd5: null, // UpdateappResult 中没有 MD5 字段
      // appMarkets: null, // UpdateappResult 中没有应用商店列表字段
      supportedMethods: [AppUpgradeMethod.browser, AppUpgradeMethod.inApp, AppUpgradeMethod.market],
      // appMarkets: [
      //   AppMarket.huawei,
      //   // AppMarket.xiaomi,
      // ],
    );
    return appUpgradeVersion;
  }

  @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: [
            const SizedBox(height: 16),
            ElevatedButton(
              onPressed: () async {
                // 1. 静默检查更新（不显示任何 UI）
                final upgradeInfo = await AppUpgradeSimple.instance.silentCheckUpdate(
                  future: () async {
                    final updateAppEvent = await _getUpdateAppEvent();
                    debugPrint("获取最新版本: $updateAppEvent");
                    if (updateAppEvent == null) return null;

                    return _convertToAppUpgradeVersion(updateAppEvent);
                  },
                );
                // 2. 根据结果处理
                if (upgradeInfo != null && upgradeInfo.hasUpdate) {
                  // 有新版本，可以显示红点或在用户点击时调用弹窗
                  debugPrint('发现新版本: ${upgradeInfo.versionName}');

                  if (!mounted) return;

                  // 在需要展示弹窗的时机（如用户点击按钮）：
                  AppUpgradeSimple.instance.showPreparedUpgrade(
                    context: context,
                    info: upgradeInfo, // 传入刚才获取的 info
                  );
                }
              },
              child: const Text('检查更新'),
            ),
          ],
        ),
      ),
    );
  }
}