import {Injectable} from '@angular/core';
import {HttpClient} from '@angular/common/http';
import {JwtHelperService} from '@auth0/angular-jwt';
import {Observable} from 'rxjs';
import {jwtDecode} from 'jwt-decode';
import {environment} from '../../environments/environment';

@Injectable({
  providedIn: 'root',
})
export class AuthService {
  baseApi = `${environment.baseApi}/auth/login`;
  jwtHelper = new JwtHelperService();

  constructor(private http: HttpClient) {
  }

  login(username: string, password: string): Observable<any> {
    return this.http.post(this.baseApi, {username, password});
  }

  isAuthenticated(): boolean {
    const token = localStorage.getItem('token');
    return token !== null && !this.jwtHelper.isTokenExpired(token);
  }

  logout(): void {
    localStorage.removeItem('token');
  }

  getToken(): string | null {
    return localStorage.getItem('token');
  }

  getUserInfo(): any {
    const token = this.getToken();
    if (token) {
      return jwtDecode(token);
    }
    return null;
  }
}