import { Component, OnInit } from '@angular/core';

import {FormsModule} from "@angular/forms";
import {NgIf} from "@angular/common";
import {AuthService} from '../../services/auth.service';
import {TokenStorageService} from '../../services/token-storage.service';

@Component({
    selector: 'app-login',
    templateUrl: './login.component.html',
    imports: [
        FormsModule,
        NgIf
    ],
    styleUrls: ['./login.component.scss']
})
export class LoginComponent implements OnInit {

  form: any = {
    username: null,
    password: null
  };
  isLoggedIn = false;
  isLoginFailed = false;
  errorMessage = '';
  roles: string[] = [];

  constructor(private authService: AuthService, private tokenStorage: TokenStorageService) { }

  ngOnInit(): void {
    if (this.tokenStorage.getToken()) {
      this.isLoggedIn = true;
      this.roles = this.tokenStorage.getUser().roles;
    }
  }

  onSubmit(): void {
    const { username, password } = this.form;

    this.authService.login(username, password).subscribe(
      data => {
        this.tokenStorage.saveToken(data.accessToken);
        this.tokenStorage.saveUser(data);

        this.isLoginFailed = false;
        this.isLoggedIn = true;
        this.roles = this.tokenStorage.getUser().roles;
        this.reloadPage();
      },
      err => {
        this.errorMessage = err.error.message;
        this.isLoginFailed = true;
      }
    );
  }

  reloadPage(): void {
    window.location.reload();
  }
}