import { useForm } from 'react-hook-form';
import { zodResolver } from '@hookform/resolvers/zod';
import { z } from 'zod';
import { useNavigate } from 'react-router-dom';
import { useAuthStore } from '@/stores/auth';
import { formatErrorMessage } from '@/utils/apiErrorHandler';
import type { LoginRequest } from '@/services/api/auth';
import type { ApiError } from '@/types/api';

const loginSchema = z.object({
  email: z.string().email('Email invalide'),
  password: z.string().min(1, 'Le mot de passe est requis'),
  remember_me: z.boolean().optional(),
});

type LoginFormData = z.infer<typeof loginSchema>;

export const LoginForm = () => {
  const navigate = useNavigate();
  const { login: loginStore, isLoading, error } = useAuthStore();

  const {
    register,
    handleSubmit,
    formState: { errors },
  } = useForm<LoginFormData>({
    resolver: zodResolver(loginSchema),
    defaultValues: {
      email: '',
      password: '',
      remember_me: false,
    },
  });

  const onSubmit = async (data: LoginFormData) => {
    try {
      const loginRequest: LoginRequest = {
        email: data.email,
        password: data.password,
        remember_me: data.remember_me || false,
      };
      await loginStore(loginRequest);
      // Redirection après succès
      navigate('/dashboard');
    } catch (err) {
      // L'erreur est déjà gérée par le store
      console.error('Login error:', err);
    }
  };

  return (
    <form
      onSubmit={handleSubmit(onSubmit)}
      className="space-y-4 max-w-sm mx-auto p-4 border rounded shadow"
    >
      <h2 className="text-2xl font-bold mb-4 text-center">Connexion</h2>

      {error && (
        <div
          className="bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded relative"
          role="alert"
        >
          <span className="block sm:inline">
            {formatErrorMessage(error as ApiError)}
          </span>
        </div>
      )}

      <div>
        <label className="block text-sm font-medium text-gray-700">Email</label>
        <input
          type="email"
          {...register('email')}
          className="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50 p-2 border"
        />
        {errors.email && (
          <p className="text-red-500 text-xs mt-1">{errors.email.message}</p>
        )}
      </div>

      <div>
        <label className="block text-sm font-medium text-gray-700">
          Mot de passe
        </label>
        <input
          type="password"
          {...register('password')}
          className="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50 p-2 border"
        />
        {errors.password && (
          <p className="text-red-500 text-xs mt-1">{errors.password.message}</p>
        )}
      </div>

      <div className="flex items-center">
        <input
          type="checkbox"
          {...register('remember_me')}
          id="remember_me"
          className="h-4 w-4 text-indigo-600 focus:ring-indigo-500 border-gray-300 rounded"
        />
        <label
          htmlFor="remember_me"
          className="ml-2 block text-sm text-gray-900"
        >
          Se souvenir de moi
        </label>
      </div>

      <button
        type="submit"
        disabled={isLoading}
        className="w-full flex justify-center py-2 px-4 border border-transparent rounded-md shadow-sm text-sm font-medium text-white bg-indigo-600 hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500 disabled:bg-gray-400"
      >
        {isLoading ? 'Connexion...' : 'Se connecter'}
      </button>
    </form>
  );
};