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path: root/frontend/src/app/(auth)/login/page.tsx
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'use client';

import { useState, useEffect } from 'react';
import { useRouter, useSearchParams } from 'next/navigation';
import Link from 'next/link';
import { Button } from '@/components/ui/button';
import { Input } from '@/components/ui/input';
import { Label } from '@/components/ui/label';
import { useAuth } from '@/components/shared/AuthContext';
import { useNotification } from '@/components/shared/NotificationContext';

export default function LoginPage() {
  const router = useRouter();
  const searchParams = useSearchParams();
  const { showNotification } = useNotification();
  const { login, isAuthenticated } = useAuth();
  const [email, setEmail] = useState('');
  const [password, setPassword] = useState('');
  const [error, setError] = useState('');
  const [isLoading, setIsLoading] = useState(false);

  useEffect(() => {
    // Check if the user was redirected from signup
    if (searchParams.get('signup') === 'success') {
      showNotification('success', 'Account created successfully! Please log in.');
    }
    
    // Redirect if already authenticated
    if (isAuthenticated) {
      router.push('/dashboard');
    }
  }, [searchParams, showNotification, isAuthenticated, router]);

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();
    setError('');
    setIsLoading(true);
    
    try {
      const response = await login(email, password);
      showNotification('success', `Welcome back, ${response?.user?.Name || 'user'}! You've been successfully logged in.`);
      router.push('/dashboard');
    } catch (err: any) {
      setError(err.message || 'Login failed');
    } finally {
      setIsLoading(false);
    }
  };

  return (
    <div>
      <form onSubmit={handleSubmit} className="space-y-4">
        <div className="space-y-2">
          <Label htmlFor="email">Email</Label>
          <Input
            id="email"
            type="email"
            placeholder="your@email.com"
            value={email}
            onChange={(e) => setEmail(e.target.value)}
            required
          />
        </div>
        <div className="space-y-2">
          <Label htmlFor="password">Password</Label>
          <Input
            id="password"
            type="password"
            value={password}
            onChange={(e) => setPassword(e.target.value)}
            required
          />
        </div>
        
        {error && (
          <div className="text-sm text-red-500">
            {error}
          </div>
        )}
        
        <Button type="submit" className="w-full" disabled={isLoading}>
          {isLoading ? 'Logging in...' : 'Login'}
        </Button>
      </form>
      
      <div className="mt-4 text-center text-sm">
        Don&apos;t have an account?{' '}
        <Link href="/signup" className="text-primary underline underline-offset-2">
          Sign up
        </Link>
      </div>
    </div>
  );
}