import { Component } from '@angular/core';
import { FormBuilder, FormGroup, ReactiveFormsModule, Validators } from '@angular/forms';
import { Router, RouterLink } from '@angular/router';
import { LoginRequest } from '../../../model/auth/LoginRequest';
import { AuthService } from '../../../service/auth.service';
import { CommonModule } from '@angular/common';
import { NavbarComponent } from '@shared/components/navbar/navbar.component';

@Component({
  selector: 'app-login',
  standalone: true,
  imports: [CommonModule, ReactiveFormsModule, RouterLink, NavbarComponent],
  templateUrl: './login.component.html',
})
export class LoginComponent {
  loginForm: FormGroup;
  errorMessage = '';
  isLoading = false;

  constructor(
    private fb: FormBuilder,
    private authService: AuthService,
    private router: Router
  ) {
    this.loginForm = this.fb.group({
      usernameOrEmail: ['', [Validators.required]],
      password: ['', [Validators.required]],
    });
  }

  get form() {
    return this.loginForm.controls;
  }

  onSubmit(): void {
    if (this.loginForm.invalid) {
      return;
    }

    this.isLoading = true;
    this.errorMessage = '';

    const loginRequest: LoginRequest = {
      usernameOrEmail: this.form['usernameOrEmail'].value,
      password: this.form['password'].value,
    };

    this.authService.login(loginRequest).subscribe({
      next: () => {
        this.router.navigate(['/home']);
      },
      error: (err) => {
        this.isLoading = false;
        this.errorMessage = err.error?.message || 'Failed to login. Please check your credentials.';
      },
    });
  }
}