import { HttpClient } from '@angular/common/http';
import {Injectable} from '@angular/core';
import {Observable, of} from 'rxjs';
import {UserAuthRequest} from '../models/user-auth-request';

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

  readonly AUTH_URL: string = 'http://localhost:8080/pa165/auth/login';
  readonly JWT: string = "JWT";

  authenticated: boolean = false;
  leagueManager: boolean = false;
  teamManager: boolean = false;

  constructor(private http: HttpClient) {
  }

  authenticate(userAuthRequest: UserAuthRequest) {
    this.http.post(
      this.AUTH_URL, 
      userAuthRequest,
      {responseType : 'text'}
      )
      .subscribe((response: string) => this.handleAuthResponse(response));
  }

  logOut(): Observable<boolean> {
    localStorage.removeItem(this.JWT)
    this.authenticated = false;
    this.teamManager = false;
    this.leagueManager = false;
    return of(true);
  }

  isAuthenticated(): Observable<boolean> {
    this.authenticated = localStorage.getItem(this.JWT) !== null;
    return of(this.authenticated);
  }

  isLeagueManager(): Observable<boolean> {
    return of(this.leagueManager);
  }

  isTeamManager(): Observable<boolean> {
    return of(this.teamManager);
  }

  handleAuthResponse(response: string) : void {
    console.log("aaaaaaaaaaaaaaa");
    let parts = response.split(" ");
    let token = parts[1];
    localStorage.setItem(this.JWT, token);
  }

  getBearerHeader(): string {
    let token = localStorage.getItem(this.JWT);
    return token !== null ? `Bearer ${token}` : "";
  }
}