import 'dart:io';

import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:install_plugin/install_plugin.dart';
import 'package:lszlgl/base/base_lifecycle_state.dart';
import 'package:lszlgl/config/app_config.dart';
import 'package:lszlgl/widget/button.dart';
import 'package:path_provider/path_provider.dart';
import 'package:permission_handler/permission_handler.dart';

import '../main.dart';
import '../network/my_api.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 String? getContentsString(String? v) {
    if (v != null && v.contains('*')) {
      v = v.replaceAll('*', '\n');
    }
    return v;
  }

  static bool checking = false;

  /// 检查版本更新
  static Future<void> checkUpgrade(bool showLoading, {bool pop = false}) 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 rsp = await MyApi.get().getAppDownLoadUrlAndName();
      var path = rsp.data?.url;
      var contents = rsp.data?.name ?? '';
      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(AppConfig.packageInfo.buildNumber);
        logger.d('versionUpgrade:localCode:$localCode onlineCode:$onlineCode');
        if (localCode >= onlineCode) {
          if (showLoading && !pop) {
            MyNavigator.showToast('已是最新版本');
          }
          if (showLoading && pop) {
            MyNavigator.showDialog(
              tag: 'pop',
              builder: (ctx) {
                return Container(
                  margin: const EdgeInsets.symmetric(horizontal: 12),
                  padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 24),
                  decoration: const BoxDecoration(
                    color: Colors.white,
                    borderRadius: BorderRadius.all(Radius.circular(8)),
                  ),
                  child: Column(
                    mainAxisSize: MainAxisSize.min,
                    crossAxisAlignment: CrossAxisAlignment.stretch,
                    children: [
                      Image.asset(
                        imgAppSetIcon,
                        width: 80,
                        height: 80,
                      ),
                      const SizedBox(height: 12),
                      const Align(
                          child: Text(
                        '国粮质检',
                        style: TextStyle(fontWeight: FontWeight.bold, fontSize: 18),
                      )),
                      const SizedBox(height: 2),
                      Align(
                        child: Text(
                          '版本 ${AppConfig.packageInfo.version}',
                          style: const TextStyle(fontSize: 15,color: Colors.grey),
                        ),
                      ),
                      const SizedBox(height: 32),
                      const Text(
                        '当前版本更新内容：',
                        style: TextStyle(fontWeight: FontWeight.bold, fontSize: 14),
                      ),
                      const SizedBox(height: 10),
                      Text(UpgradeService.getContentsString(contents) ?? ''),
                      const SizedBox(height: 22),
                      MyButton(
                        '知道了',
                        radius: 8,
                        gradient:
                            const LinearGradient(colors: [Color(0xFF3BD2E5), Color(0xFF247AF8)]),
                        onTap: () {
                          MyNavigator.dismiss(tag: 'pop');
                        },
                      )
                    ],
                  ),
                );
              },
            );
          }
        } else {
          // 版本更新
          UpgradeDialog.showDialog(path, UpgradeService.getContentsString(contents) ?? '');
        }
      }
    } catch (e) {
      logger.e(e);
      if (showLoading) MyNavigator.dismissLoading();
    }
    checking = false;
  }
}