import 'dart:io';

import 'package:dio/dio.dart';
import 'package:install_plugin/install_plugin.dart';
import 'package:package_info_plus/package_info_plus.dart';
import 'package:path_provider/path_provider.dart';
import 'package:permission_handler/permission_handler.dart';

import '../main.dart';
import '../network/my_api.dart';
import '../router/my_navigator.dart';
import '../widget/upgrade_dialog.dart';

class UpgradeService {
  UpgradeService._();

  static Future<Response> download(String apkUrl, String apkName, ProgressCallback progress) async {
    String savePath = '${await getApkDirectoryPath()}/$apkName';
    var rsp = await Dio().download(
      apkUrl,
      savePath,
      onReceiveProgress: (count, total) {
        if (total < 0) return;
        progress.call(count, total);
      },
    );
    return rsp;
  }

  /// 获取apk文件夹路径
  static Future<String> getApkDirectoryPath() async {
    return '${(await getApplicationSupportDirectory()).path}/apk';
  }

  /// 获取apk文件
  static Future<File> getApkFile(String apkName) async {
    return File('${await getApkDirectoryPath()}/$apkName');
  }

  /// 安装APK
  static Future<bool> installApk(String path) async {
    var status = await Permission.requestInstallPackages.status;
    if (!status.isGranted) {
      Permission.requestInstallPackages.request();
      return false;
    }
    await InstallPlugin.install(path);
    return true;
  }

  /// 从路径中获取文件名
  static String getName(String path) {
    var pathSplit = path.split('/');
    return pathSplit[pathSplit.length - 1];
  }

  static bool checking = false;

  /// 检查版本更新
  static Future<void> checkUpgrade(bool showLoading) async {
    if (!Platform.isAndroid) return;
    if (checking) return;
    checking = true;
    if (showLoading) MyNavigator.showLoading(msg: '正在获取版本更新');
    try {
      // 获取apk下载地址
      var path = (await MyApi.get().getAppDownloadUrl()).data;
      if (showLoading) MyNavigator.dismissLoading();
      if (path != null) {
        // 获取线上版本 lszlgl_release_0.0.2_2.apk
        List<String> nameSplit = UpgradeService.getName(path).split('_');
        int onlineCode = int.parse(nameSplit[nameSplit.length - 1].split('.').first);
        int localCode = int.parse((await PackageInfo.fromPlatform()).buildNumber);
        logger.d('versionUpgrade:localCode:$localCode onlineCode:$onlineCode');
        if (localCode >= onlineCode) {
          if (showLoading) MyNavigator.showToast('已是最新版本');
        } else {
          // 版本更新
          UpgradeDialog.showDialog(path);
        }
      }
    } catch (e) {
      logger.e(e);
      if (showLoading) MyNavigator.dismissLoading();
    }
    checking = false;
  }
}