import { useState } from 'react';
import { TextInput, PasswordInput, Button, Paper, Title, Container, Group, Alert } from '@mantine/core';
import { User, Lock } from 'phosphor-react'; // ← Importa los iconos Phosphor

export function LoginPage() {
  const [email, setEmail] = useState('');
  const [password, setPassword] = useState('');
  const [error, setError] = useState('');
  const [loading, setLoading] = useState(false);

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();
    setLoading(true);
    setError('');
    // Aquí deberías llamar a tu endpoint de login (ajusta la URL y payload)
    try {
      const res = await fetch('/api/v1/usuarios/login', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ email, password })
      });
      if (!res.ok) {
        throw new Error('Credenciales incorrectas');
      }
      // Aquí puedes guardar el usuario/token en el estado global o localStorage
      window.location.href = '/';
    } catch (err: any) {
      setError(err.message);
    } finally {
      setLoading(false);
    }
  };

  return (
    <Container size={420} my={40}>
      <Title ta="center" mb={20}>Iniciar sesión</Title>
      <Paper withBorder shadow="md" p={30} mt={30} radius="md">
        <form onSubmit={handleSubmit}>
          <TextInput
            label="Email"
            placeholder="tucorreo@ejemplo.com"
            leftSection={<User size={18} />}
            value={email}
            onChange={e => setEmail(e.target.value)}
            required
            mb={10}
          />
          <PasswordInput
            label="Contraseña"
            placeholder="Tu contraseña"
            leftSection={<Lock size={18} />}
            value={password}
            onChange={e => setPassword(e.target.value)}
            required
            mb={20}
          />
          {error && <Alert color="red" mb={10}>{error}</Alert>}
          <Group mt="md">
            <Button type="submit" loading={loading} fullWidth>
              Entrar
            </Button>
          </Group>
        </form>
      </Paper>
    </Container>
  );
}
