client/src/pages/Login.jsx

import { useState } from 'react';
import { useNavigate } from 'react-router-dom';
import { useAuth } from '../context/AuthContext';
import { toast } from 'react-toastify';

export default function Login() {
  const [formData, setFormData] = useState({
    email: '',
    password: ''
  });
  const [loading, setLoading] = useState(false);
  const { login } = useAuth();
  const navigate = useNavigate();

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

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

    try {
      await login(formData);
      toast.success('ورود با موفقیت انجام شد');
      navigate('/dashboard');
    } catch (err) {
      toast.error(err.message || 'خطا در ورود');
    } finally {
      setLoading(false);
    }
  };

  return (
    <div className="min-h-screen flex items-center justify-center bg-gray-50 py-12 px-4 sm:px-6 lg:px-8">
      <div className="max-w-md w-full space-y-8 bg-white p-8 rounded-lg shadow-md">
        <div className="text-center">
          <h2 className="mt-6 text-3xl font-extrabold text-gray-900">ورود به حساب کاربری</h2>
        </div>
        <form className="mt-8 space-y-6" onSubmit={handleSubmit}>
          <div className="rounded-md shadow-sm space-y-4">
            <div>
              <label htmlFor="email" className="block text-sm font-medium text-gray-700 mb-1">
                آدرس ایمیل
              </label>
              <input
                id="email"
                name="email"
                type="email"
                autoComplete="email"
                required
                className="appearance-none relative block w-full px-3 py-2 border border-gray-300 placeholder-gray-500 text-gray-900 rounded-md focus:outline-none focus:ring-primary focus:border-primary focus:z-10 sm:text-sm"
                placeholder="example@domain.com"
                value={formData.email}
                onChange={handleChange}
              />
            </div>
            <div>
              <label htmlFor="password" className="block text-sm font-medium text-gray-700 mb-1">
                رمز عبور
              </label>
              <input
                id="password"
                name="password"
                type="password"
                autoComplete="current-password"
                required
                className="appearance-none relative block w-full px-3 py-2 border border-gray-300 placeholder-gray-500 text-gray-900 rounded-md focus:outline-none focus:ring-primary focus:border-primary focus:z-10 sm:text-sm"
                placeholder="••••••••"
                value={formData.password}
                onChange={handleChange}
              />
            </div>
          </div>

          <div className="flex items-center justify-between">
            <div className="flex items-center">
              <input
                id="remember-me"
                name="remember-me"
                type="checkbox"
                className="h-4 w-4 text-primary focus:ring-primary border-gray-300 rounded"
              />
              <label htmlFor="remember-me" className="mr-2 block text-sm text-gray-900">
                مرا به خاطر بسپار
              </label>
            </div>

            <div className="text-sm">
              <a href="/forgot-password" className="font-medium text-primary hover:text-primary-600">
                فراموشی رمز عبور؟
              </a>
            </div>
          </div>

          <div>
            <button
              type="submit"
              disabled={loading}
              className={`group relative w-full flex justify-center py-2 px-4 border border-transparent text-sm font-medium rounded-md text-white bg-primary hover:bg-primary-600 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary ${loading ? 'opacity-70 cursor-not-allowed' : ''}`}
            >
              {loading ? 'در حال ورود...' : 'ورود'}
            </button>
          </div>
        </form>

        <div className="text-center text-sm">
          <p className="text-gray-600">
            حساب کاربری ندارید؟{' '}
            <a href="/register" className="font-medium text-primary hover:text-primary-600">
              ثبت‌نام کنید
            </a>
          </p>
        </div>
      </div>
    </div>
  );
}