import React, { useState } from 'react';
import Link from '@docusaurus/Link';
import { useHistory } from '@docusaurus/router';
import apiService from '../../utils/apiService';
import './Auth.css';

const Login = () => {
  const [formData, setFormData] = useState({
    email: '',
    password: ''
  });
  const [error, setError] = useState('');
  const [loading, setLoading] = useState(false);

  const history = useHistory();

  const handleChange = (e) => {
    setFormData({
      ...formData,
      [e.target.name]: e.target.value
    });
  };

  const handleSubmit = async (e) => {
    e.preventDefault();
    setLoading(true);
    setError('');

    try {
      // Call the backend API using apiService
      const response = await apiService.auth.login(formData);

      // Store token and redirect
      localStorage.setItem('access_token', response.access_token);
      history.push('/');
    } catch (err) {
      setError(err.message || 'Login failed. Please check your credentials and try again.');
    } finally {
      setLoading(false);
    }
  };

  return (
    <div className="auth-container">
      <div className="auth-form">
        <h2>Login to Your Account</h2>
        {error && <div className="error-message">{error}</div>}
        <form onSubmit={handleSubmit}>
          <div className="form-group">
            <label htmlFor="email">Email</label>
            <input
              type="email"
              id="email"
              name="email"
              value={formData.email}
              onChange={handleChange}
              required
            />
          </div>
          <div className="form-group">
            <label htmlFor="password">Password</label>
            <input
              type="password"
              id="password"
              name="password"
              value={formData.password}
              onChange={handleChange}
              required
            />
          </div>
          <button type="submit" disabled={loading} className="auth-button">
            {loading ? 'Logging in...' : 'Login'}
          </button>
        </form>
        <div className="auth-footer">
          <p>
            Don't have an account? <Link to="/signup">Sign up</Link>
          </p>
          <p>
            <Link to="/">Back to home</Link>
          </p>
        </div>
      </div>
    </div>
  );
};

export default Login;