// components/LoginForm.tsx
'use client';

import { useRouter } from 'next/navigation';
import { useState } from 'react';

export function LoginForm() {
  const [username, setUsername] = useState('');
  const [password, setPassword] = useState('');
  const [error, setError] = useState('');
  const [isLoading, setIsLoading] = useState(false);

  const router = useRouter()

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();
    setError('');
    setIsLoading(true);

    console.log('🔵 [Form] Submitting login...');

    try {
      const response = await fetch('/api/auth/login', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
        },
        body: JSON.stringify({ username, password }),
      });

      console.log('🔵 [Form] Response status:', response.status);

      const data = await response.json();

      if (!response.ok) {
        console.log('🔵 [Form] Login failed:', data.message);
        setError(data.message || 'Login failed');
        setIsLoading(false);
        return;
      }

      console.log('🔵 [Form] Login successful!');
      console.log('🔵 [Form] User data:', data);

      // Use window.location for a full page reload to ensure cookie is loaded
      console.log('🔵 [Form] Redirecting to /recruitment...');
      // window.location.href = '/recruitment';
      router.push("/recruitment")
      
    } catch (err) {
      console.error('🔵 [Form] Error:', err);
      setError('Something went wrong. Please try again.');
      setIsLoading(false);
    }
  };

  return (
    <form onSubmit={handleSubmit} className="space-y-6">
      {error && (
        <div className="bg-red-50 border border-red-200 text-red-700 px-4 py-3 rounded-md text-sm">
          {error}
        </div>
      )}

      <div>
        <label htmlFor="username" className="block text-sm font-medium text-gray-700">
          Username
        </label>
        <input
          id="username"
          type="text"
          value={username}
          onChange={(e) => setUsername(e.target.value)}
          required
          disabled={isLoading}
          className="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-blue-500 focus:border-blue-500"
        />
      </div>

      <div>
        <label htmlFor="password" className="block text-sm font-medium text-gray-700">
          Password
        </label>
        <input
          id="password"
          type="password"
          value={password}
          onChange={(e) => setPassword(e.target.value)}
          required
          disabled={isLoading}
          className="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-blue-500 focus:border-blue-500"
        />
      </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-blue-600 hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 disabled:opacity-50 disabled:cursor-not-allowed"
      >
        {isLoading ? 'Signing in...' : 'Sign in'}
      </button>
    </form>
  );
}