import 'dart:async';

import 'package:flutter/widgets.dart';
import 'package:get/get.dart';
import 'package:making_school_asignment_app/common/job/app_version.dart';
import 'package:making_school_asignment_app/common/mixins/request_tool_mixin.dart';

import 'package:yx_app_upgrade_flutter/yx_app_upgrade_flutter.dart';

class UpgradeLogic extends GetxService with RequestToolMixin {
  Timer? _timer;

  @override
  void onReady() {
    /// 首次检查更新
    Future.delayed(const Duration(seconds: 10)).then(
      (value) => checkUpdate(Get.context!),
    );

    /// 定时检查更新
    _timer?.cancel();
    _timer = Timer.periodic(
      const Duration(seconds: 40),
      (_) => checkUpdate(Get.context!),
    );
    super.onReady();
  }

  @override
  void onClose() {
    _timer?.cancel();
    super.onClose();
  }

  void checkUpdate(BuildContext context) {
    UpgradeAuxiliaryUtils.instance.initiateVersionCheck(
      context,
      future: (int upType) async {
        // upType: 1 为 Android, 2 为 iOS
        try {
          AppVersion? result = await getClient().getLastAppVersion(
            'making_school_asignment_app',
            upType,
          );
          if (result != null) return _convertToAppUpgradeVersion(result);
        } catch (e, stack) {
          debugPrint('fetchLatestUpgradeVersion error: $e\n$stack');
        }
        return null;
      },
    );
  }

  /// 将 UpdateappResult 转换为 AppUpgradeVersion
  AppUpgradeVersion? _convertToAppUpgradeVersion(AppVersion? model) {
    if (model == null) return null;

    // 将文件大小从 KB 转换为字节
    final filePath =
        (model.appFileUrl?.isNotEmpty ?? false) ? model.appFileUrl : null;

    return AppUpgradeVersion(
      versionName: model.version,
      // versionBuildNumber: model.version,
      isForce: false,
      updateContent: model.description ?? '修复BUG，优化体验',
      downloadUrl: filePath,
      appStoreUrl: filePath,
      // apkSize: apkSizeBytes,
      supportedMethods: [
        AppUpgradeMethod.market,
        AppUpgradeMethod.inApp,
        AppUpgradeMethod.browser,
      ],
    );
  }
}