import {Inject, Injectable, OnInit} from '@angular/core';
import {M2_DEVICE_INFO_PROVIDER} from '../../core/tokens/m2.tokens';
import {DeviceInfoInterface} from '../../core/interfaces/device-info.interface';
import {StorageService} from '../../common/tools/storage.service';
import {M2Toast} from '../../layout/setting/m2.toast';
import {FingerprintAIO} from '@ionic-native/fingerprint-aio/ngx';
import {UserProvider} from '../../core/services/user/user';
import {Router} from '@angular/router';
import {AuthService} from '../../core/services/auth/auth-service';
import {CryptoJsHelp} from '../../common/tools/cryptoJs-help';
import {FingerPrintInterface} from '../../core/interfaces/finger-print.interface';

@Injectable()

export class FingerPrintService implements FingerPrintInterface {
  fingerPrintOld: boolean;
  fingerPrint: boolean;
  allowFingerPrint: boolean;
  account: any;

  constructor(@Inject(M2_DEVICE_INFO_PROVIDER) private deviceInfoInterface: DeviceInfoInterface,
              private userProvider: UserProvider,
              private m2Toast: M2Toast,
              private router: Router,
              private storageService: StorageService,
              private fingerprintAIO: FingerprintAIO,
              private authService: AuthService) {
  }

  getAllowStatus() {
    this.fingerPrintOld = this.storageService.read<boolean>('_DF_allowFingerPrint');
    this.fingerPrint = this.fingerPrintOld;
    return this.fingerPrint;
  }

  async settingFingerPrint(onOff: boolean) {
    this.fingerPrint = onOff;
    if (this.fingerPrintOld === this.fingerPrint) {
      return;
    }
    this.fingerPrintOld = this.fingerPrint;
    if (this.fingerPrint) {
      this.deviceInfoInterface.ready().then(item => {
        if (item.isCordova) {
          this.fingerprintAIO.isAvailable().then(() => {
            const options = {
              clientId: 'df2app', // Android: Used for encryption. iOS: used for dialogue if no `localizedReason` is given.
              clientSecret: 'm234adUbn45*Hfd34', // Necessary for Android encrpytion of keys. Use random secret key.
              disableBackup: true,  // Only for Android(optional)
              localizedFallbackTitle: 'Use Pin', // Only for iOS
              localizedReason: 'Please authenticate' // Only for iOS
            };
            this.fingerprintAIO.show(options)
              .then((result: any) => {
                console.log(result);
                this.storageService.write('_DF_allowFingerPrint', this.fingerPrint);
              })
              .catch((error: any) => console.log(error));
          });
        } else {
          this.m2Toast.presentInfoToast('运行在浏览器环境，开启个指纹干什么？手指头戳哪里？你戳一个我看看！').then();
        }
      });
    } else {
      this.storageService.write('_DF_allowFingerPrint', this.fingerPrint);
      this.m2Toast.presentInfoToast('指纹登录已关闭！').then();
    }
  }

  async showFingerPrint() {
    try {
      this.allowFingerPrint = this.storageService.read<boolean>('_DF_allowFingerPrint');
      const item = await this.deviceInfoInterface.ready();
      if (item.isCordova && this.allowFingerPrint) {
        this.fingerprintAIO.isAvailable().then(() => {
          const options = {
            clientId: 'df2app', // Android: Used for encryption. iOS: used for dialogue if no `localizedReason` is given.
            clientSecret: 'm234adUbn45*Hfd34', // Necessary for Android encrpytion of keys. Use random secret key.
            disableBackup: true,  // Only for Android(optional)
            localizedFallbackTitle: 'Use Pin', // Only for iOS
            localizedReason: 'Please authenticate' // Only for iOS
          };

          this.fingerprintAIO.show(options)
            .then((result: any) => {
              this.account = CryptoJsHelp.decrypt(this.storageService.readString('_DF_userPin'));
              let redirectUrl = this.authService.redirectUrl;
              if (!redirectUrl) {
                redirectUrl = '';
              }
              this.userProvider.login(this.account).then((rt: boolean) => {
                if (rt) {
                  this.storageService.write('_DF_userPin', CryptoJsHelp.encrypt(this.account));
                  this.router.navigateByUrl(redirectUrl).then();
                } else {
                  this.m2Toast.presentDangerToast('登录失败！');
                }
              }).catch((err) => {
                this.m2Toast.presentDangerToast(err.error.message);
              });
            })
            .catch((error: any) => console.log(error));
        });
      }
    } catch (e) {
      console.log(e);
    }
  }

}