import { HttpClient } from '@angular/common/http';
import { Component, inject } from '@angular/core';
import { ActivatedRoute, Router } from '@angular/router';
import { CommonModule } from '@angular/common';
import { FormControl, FormGroup, FormsModule, ReactiveFormsModule } from '@angular/forms';
import { environment } from '../../../environments/environment';
import { HotToastService } from '@ngxpert/hot-toast';

@Component({
  selector: 'app-login',
  standalone: true,
  imports: [CommonModule, FormsModule, ReactiveFormsModule],
  templateUrl: './login.component.html',
  styleUrl: '../auth.scss'
})
export class LoginComponent {
  private http: HttpClient = inject(HttpClient);
  private route: ActivatedRoute = inject(ActivatedRoute);
  private toast: HotToastService = inject(HotToastService);
  private router: Router = inject(Router);

  redirectUri = null;
  client: string = "";
  client_id = null;

  loginForm = new FormGroup({
    username: new FormControl(''),
    password: new FormControl(''),
  })

  constructor() {
    this.getclient();
    this.loginWithSessionId();
  }

  loginWithSessionId() {
    const id = window.localStorage.getItem("auth_sesion_key");
    if (!id ||id.length < 2) { return; }

    this.http.post(environment.api_url + 'auth/login-with-session-id', {
      code: id,
      client_id: this.client_id
    }).subscribe({
      next: (data) => {
        if (data["code"] != null) {
          location.href = this.redirectUri + "?code=" + data["code"];
        }
      },
      error: (error) => {
        this.toast.error('Invalid session, please log in with your credentials');
        console.error(error);
      }
    });
  }


  getclient() {
    const params = (this.route.snapshot.queryParamMap as any)["params"];
    this.redirectUri = params.redirect_uri;
    this.client_id = params.client_id;

    this.http.get<any>(environment.api_url + 'auth/', {
      params
    }).subscribe({
      next: (client) => {
        this.client = client.clientName;
      },
      error: (error) => {
        console.error(error);
        this.toast.error('Invalid client');
      }
    })
  }

  login() {
    this.toast.loading('Logging in...');
    this.http.post(environment.api_url + 'auth/login?'+ 'client_id=' + this.client_id, this.loginForm.value).subscribe({
      next: (data) => {
        if (data["code"] != null) {
          window.localStorage.setItem("auth_sesion_key", data["session_key"]);
          location.href = this.redirectUri + "?code=" + data["code"];
        }
      },
      error: (error) => {
        console.error(error);
        this.toast.error('Invalid login');
      }
    })
  }

  toRegister() {
    this.router.navigate(['/register'], { queryParams: this.route.snapshot.queryParams });
  }
}