import { Injectable } from '@angular/core'
import { HttpClient } from '@angular/common/http'
import { environment } from 'src/environments/environment'

/**
 *
 * This service takes care of following actions:
 * - Log in users.
 * - Log out users.
 * - Verify redirect uri.
 * @export
 */
@Injectable({
  providedIn: 'root',
})
export class SessionService {
  url = ''

  constructor(private httpClient: HttpClient) {
    this.url = environment.environmentUrl
  }

  /**
   * Redirect to invalid page if the url is not correct ,
   * else continue with the login page
   *
   * @param redirectUri Uri to redirect the browser afte login success.
   * @returns Returns true or false depending on the url validity.
   */
  verifyRedirectUri(redirectUri: string): Promise<boolean> {
    return this.httpClient
      .get(this.url + '/auth/verify_redirect_uri', {
        params: { redirect_uri: redirectUri },
      })
      .toPromise()
      .then(
        (response: { msg: string }) => response.msg === 'Valid redirect_uri',
      )
  }

  /**
   * Login service with credentials Email and password
   *
   * @param email User email
   * @param password User password
   * @returns IdToken and AccessToken
   */
  login(
    email: string,
    password: string,
  ): Promise<{ IdToken: string; AccessToken: string; RobotinuumToken: string }> {
    return this.httpClient
      .post(this.url + '/auth/login', {
        data: {
          user: email,
          password,
        },
      })
      .toPromise()
      .then((response: { IdToken: string; AccessToken: string;  RobotinuumToken: string }) => response)
  }

  /**
   * Register user with email and password
   *
   * @param {string} email
   * @param {string} password
   * @returns {Promise<{ user: any}>}
   * @memberof SessionService
   */
  signUp(
    userCreate:any
  ): Promise<{ user: any}> {
    return this.httpClient
      .post(this.url + '/admin/users', userCreate)
      .toPromise()
      .then((response: any) => response)
  }
}