import {Inject, Injectable} from '@angular/core';
import {FileOpener} from '@ionic-native/file-opener/ngx';
import {FileTransfer, FileTransferObject} from '@ionic-native/file-transfer/ngx';
import {File} from '@ionic-native/file/ngx';
import {InAppBrowser} from '@ionic-native/in-app-browser/ngx';
import {Storage} from '@ionic/storage';
import {NativeService} from './native-service';
import {AlertController, LoadingController, ModalController, Platform, ToastController} from '@ionic/angular';
import {M2_DEVICE_INFO_PROVIDER} from '../../core/tokens/m2.tokens';
import {DeviceInfoInterface} from '../../core/interfaces/device-info.interface';
import {PLATFORM} from '../../core/enum/platform';
import {M2Toast} from '../../layout/setting/m2.toast';
import {ModalUpdatePage} from './modal-update/modal-update.page';
import {AppData} from '../../../df-ext/app-data';

@Injectable({
  providedIn: 'root'
})
export class UpgradeService {

  constructor(private alertCtrl: AlertController,
              private fileOpener: FileOpener,
              private transfer: FileTransfer,
              @Inject(M2_DEVICE_INFO_PROVIDER) private deviceInfoInterface: DeviceInfoInterface,
              private file: File,
              private iab: InAppBrowser,
              private loadingCtrl: LoadingController,
              private platform: Platform,
              private modalController: ModalController,
              private storage: Storage,
              private m2Toast: M2Toast) {
  }

  checkAndUpgrade() {
    this.deviceInfoInterface.ready().then(item => {
      if (item.appVersion !== item.remoteVersion) {
        if (item.platform === PLATFORM.Android) {
          this.detectionUpgradeAndroid(AppData.config.APK_DOWNLOAD,
            item.forceUpgrade,
            item.upgradeContent,
            item.remoteVersion);
        } else if (item.platform === PLATFORM.IOS) {
          this.detectionUpgradeIOS(item.forceUpgrade,
            item.upgradeContent);
        } else {
          this.m2Toast.presentInfoToast('运行环境是：' + item.platform + ', 不应该有更新！请检查配置！');
        }
      }
    });
  }

  checkVersionSelf(appVersion: string, pltVersion: number) {
    this.deviceInfoInterface.ready().then(async item => {
      if (item.appVersion !== item.remoteVersion) {
        if (item.platform === PLATFORM.Android) {
          this.detectionUpgradeAndroid(AppData.config.APK_DOWNLOAD,
            item.forceUpgrade,
            item.upgradeContent,
            item.remoteVersion);
        } else if (item.platform === PLATFORM.IOS) {
          this.detectionUpgradeIOS(item.forceUpgrade,
            item.upgradeContent);
        }
      } else {
        this.m2Toast.presentInfoToast('当前已是最新版本!');
      }
    });
  }

  private async detectionUpgradeAndroid(apkUrl, ifForce, upgradeContent: string, remoteVersion: string) {
    // if (ifForce) {
    //   const alert = await this.alertCtrl.create({
    //     subHeader: '发现新版本,需要立即升级',
    //     message: upgradeContent,
    //     backdropDismiss: false,
    //     buttons: [{
    //       text: '取消',
    //       handler: () => {
    //         navigator['app'].exitApp(); // work in ionic 4
    //       }
    //     }, {
    //       text: '确定',
    //       handler: () => {
    //         this.downloadApp(apkUrl);
    //       }
    //     }]
    //   });
    //   await alert.present();
    // } else {
    //   const alert = await this.alertCtrl.create({
    //     subHeader: '发现新版本,是否立即升级？',
    //     message: upgradeContent,
    //     backdropDismiss: false,
    //     buttons: [{
    //       text: '取消'
    //     }, {
    //       text: '确定',
    //       handler: () => {
    //         this.downloadApp(apkUrl);
    //       }
    //     }]
    //   });
    //   await alert.present();
    // }
    const modal = await this.modalController.create({
      component: ModalUpdatePage,
      componentProps: {
        title: '发现新版本,需要立即升级',
        remoteVersion,
        upgradeContent,
        ifForce
      },
      backdropDismiss: false
    });
    await modal.present();
    return;
  }

  private async detectionUpgradeIOS(ifForce: boolean, upgradeContent: string) {
    if (ifForce) {
      const alert = await this.alertCtrl.create({
        header: '发现新版本,需要立即升级',
        subHeader: upgradeContent,
        backdropDismiss: false,
        buttons: [{
          text: '确定',
          handler: () => {
            this.openBrowser();
            return false;
          }
        }]
      });
      await alert.present();
    } else {
      const alert = await this.alertCtrl.create({
        header: '发现新版本,是否立即升级？',
        subHeader: upgradeContent,
        backdropDismiss: false,
        buttons: [{
          text: '取消'
        }, {
          text: '确定',
          handler: () => {
            this.openBrowser();
          }
        }]
      });
      await alert.present();
    }
  }

  private async downloadApp(apkUrl) {
    const loading = await this.loadingCtrl.create({
      message: '下载进度：0%',
      backdropDismiss: false
    });
    loading.present();


    const fileTransfer: FileTransferObject = this.transfer.create();
    const apk = this.file.externalDataDirectory + 'm2app.apk'; // apk保存的目录

    fileTransfer.download(apkUrl, apk).then(() => {

      this.fileOpener.open(apk, 'application/vnd.android.package-archive').then(() => {
        console.log('File is opened');
      }).catch(async e => {
        console.log('Error openening file', e);
        const alert1 = await this.alertCtrl.create({
          header: '自动升级失败，将转入下载页面！',
          backdropDismiss: false,
          buttons: [{
            text: '确定',
            handler: () => {
              this.openBrowser();
              (navigator as any).app.exitApp(); // work in ionic 4
            }
          }]
        });
        await alert1.present();
      });
    });


    let num = 0;
    fileTransfer.onProgress((event: ProgressEvent) => {
      num = Math.floor(event.loaded / event.total * 100);
    });

    setInterval(async () => {
      if (num === 100) {
        await loading.dismiss();
      } else {
        // loading('下载进度：' + num + '%');
      }
    }, 300);
  }


  private openBrowser() {
    this.iab.create(AppData.config.APP_DOWNLOAD, '_system');
  }


}