import { type FormEvent, useState } from 'react';
import { Navigate } from 'react-router';
import { useAuthStore } from './auth-store';
import styles from './LoginPage.module.css';

export function LoginPage() {
  const { isAuthenticated, login, loading, error } = useAuthStore();
  const [username, setUsername] = useState('');
  const [password, setPassword] = useState('');

  if (isAuthenticated) return <Navigate to="/" replace />;

  const handleSubmit = (e: FormEvent) => {
    e.preventDefault();
    login(username, password);
  };

  return (
    <div className={styles.page}>
      <form className={styles.card} onSubmit={handleSubmit}>
        <div className={styles.logo}>
          <svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
            <path d="M12 2C6.5 2 2 6.5 2 12s4.5 10 10 10 10-4.5 10-10S17.5 2 12 2" />
            <path d="M12 6v6l4 2" />
          </svg>
          cameleer3
        </div>
        <div className={styles.subtitle}>Sign in to access the observability dashboard</div>

        <div className={styles.field}>
          <label className={styles.label}>Username</label>
          <input
            className={styles.input}
            type="text"
            value={username}
            onChange={(e) => setUsername(e.target.value)}
            autoFocus
            autoComplete="username"
          />
        </div>

        <div className={styles.field}>
          <label className={styles.label}>Password</label>
          <input
            className={styles.input}
            type="password"
            value={password}
            onChange={(e) => setPassword(e.target.value)}
            autoComplete="current-password"
          />
        </div>

        <button className={styles.submit} type="submit" disabled={loading || !username || !password}>
          {loading ? 'Signing in...' : 'Sign In'}
        </button>

        {error && <div className={styles.error}>{error}</div>}
      </form>
    </div>
  );
}