import {Injectable} from '@angular/core';
import {JSONRequest} from '../../interface/JSONRequest';
import {HttpClient} from '@angular/common/http';
import {catchError, tap} from 'rxjs/operators';
import {JSONResponse} from '../../interface/JSONResponse';
import {HttpInterface} from '../../interface/HttpInterface';
import {Observable} from 'rxjs';
import {Result} from '../../interface/Result';
import {Router} from '@angular/router';
import {MessageService} from '../../message/message.service';

@Injectable({
  providedIn: 'root'
})
export class RegisterService extends JSONRequest {

  constructor(
    private http: HttpClient,
    private router: Router,
    private messageService: MessageService
  ) {
    super();

    this.httpError.result = Result.FAIL;
    this.httpError.message = '注册失败';
  }

  /**
   *
   * @param body 注册表单
   */
  register(body) {
    this.http.post<JSONResponse<any>>(HttpInterface.register, body, this.httpOptions)
      .pipe(
        catchError(this.handleError<any>('注册', this.httpError))
      ).subscribe(r => {
        if (r.result === Result.OK) {
          this.messageService.info('注册成功');
          this.router.navigateByUrl('/login');
        } else {
          this.messageService.danger('注册失败');
        }
    });
  }


  /**
   * 获取邮箱类型
   */
  getEmailType(): Observable<any> {
    return this.http.get<JSONResponse<any>>(HttpInterface.getEmailType)
      .pipe(
        catchError(this.handleError<any>('获取邮箱类型'))
      );
  }

  /**
   * 发送验证码
   */
  sendEmail(sender): Observable<any> {
    return this.http.post<JSONResponse<any>>(HttpInterface.sendCode, {email: 'sender'})
      .pipe(
        catchError(this.handleError<any>('发送邮件验证码'))
      );
  }
}