import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Inject, OnDestroy, Optional } from '@angular/core';
import { AbstractControl, FormBuilder, FormGroup, Validators } from '@angular/forms';
import { Router } from '@angular/router';
import { StartupService } from '@core';
import { ReuseTabService } from '@delon/abc/reuse-tab';
import { DA_SERVICE_TOKEN, ITokenService, SocialOpenType, SocialService } from '@delon/auth';
import { SettingsService, _HttpClient } from '@delon/theme';
import { User } from '@delon/theme/src/services/settings/types';
import { NzTabChangeEvent } from 'ng-zorro-antd/tabs';
import { finalize } from 'rxjs/operators';

import { Message } from '../../../pojo/Message';
import { LocalStorageService } from '../../../service/local-storage.service';

@Component({
  selector: 'passport-login',
  templateUrl: './login.component.html',
  styleUrls: ['./login.component.less'],
  providers: [SocialService],
  changeDetection: ChangeDetectionStrategy.OnPush
})
export class UserLoginComponent implements OnDestroy {
  constructor(
    fb: FormBuilder,
    private router: Router,
    private settingsService: SettingsService,
    private socialService: SocialService,
    @Optional()
    @Inject(ReuseTabService)
    private reuseTabService: ReuseTabService,
    @Inject(DA_SERVICE_TOKEN) private tokenService: ITokenService,
    private startupSrv: StartupService,
    private http: _HttpClient,
    private cdr: ChangeDetectorRef,
    private storageSvc: LocalStorageService
  ) {
    this.form = fb.group({
      userName: [null, [Validators.required]],
      password: [null, [Validators.required]],
      mobile: [null, [Validators.required, Validators.pattern(/^1\d{10}$/)]],
      captcha: [null, [Validators.required]],
      remember: [true]
    });
  }

  // #region fields

  get userName(): AbstractControl {
    return this.form.controls.userName;
  }
  get password(): AbstractControl {
    return this.form.controls.password;
  }
  get mobile(): AbstractControl {
    return this.form.controls.mobile;
  }
  get captcha(): AbstractControl {
    return this.form.controls.captcha;
  }
  form: FormGroup;
  error = '';
  type = 0;
  loading = false;

  // #region get captcha

  count = 0;
  interval$: any;

  // #endregion

  switch({ index }: NzTabChangeEvent): void {
    this.type = index!;
  }

  // #endregion

  submit(): void {
    this.error = '';
    if (this.type === 0) {
      this.userName.markAsDirty();
      this.userName.updateValueAndValidity();
      this.password.markAsDirty();
      this.password.updateValueAndValidity();
      if (this.userName.invalid || this.password.invalid) {
        return;
      }
    } else {
      this.mobile.markAsDirty();
      this.mobile.updateValueAndValidity();
      this.captcha.markAsDirty();
      this.captcha.updateValueAndValidity();
      if (this.mobile.invalid || this.captcha.invalid) {
        return;
      }
    }

    // 默认配置中对所有HTTP请求都会强制 [校验](https://ng-alain.com/auth/getting-started) 用户 Token
    // 然一般来说登录请求不需要校验，因此可以在请求URL加上：`/login?_allow_anonymous=true` 表示不触发用户 Token 校验
    this.loading = true;
    this.cdr.detectChanges();
    this.http
      .post<Message<any>>('/account/auth/form', {
        type: this.type,
        identifier: this.userName.value,
        credential: this.password.value
      })
      .pipe(
        finalize(() => {
          this.loading = false;
          this.cdr.detectChanges();
        })
      )
      .subscribe(message => {
        if (message.code !== 0) {
          this.error = message.msg;
          this.cdr.detectChanges();
          return;
        }
        // 清空路由复用信息
        this.reuseTabService.clear();
        // 设置用户Token信息
        this.storageSvc.storageAuthorizationToken(message.data.token);
        this.storageSvc.storageRefreshToken(message.data.refreshToken);
        let user: User = {
          name: this.userName.value,
          avatar: './assets/img/avatar.svg',
          email: '管理员'
        };
        this.settingsService.setUser(user);
        // 重新获取 StartupService 内容，我们始终认为应用信息一般都会受当前用户授权范围而影响
        this.startupSrv.load().subscribe(() => {
          let url = this.tokenService.referrer!.url || '/';
          if (url.includes('/passport')) {
            url = '/';
          }
          this.router.navigateByUrl(url);
        });
      });
  }
  // #endregion

  ngOnDestroy(): void {
    if (this.interval$) {
      clearInterval(this.interval$);
    }
  }
}
