'use client';

import { useState } from 'react';
import { useRouter } from 'next/navigation';
import Link from 'next/link';
import { useAuth } from '../../context/AuthContext';

export default function SignUpPage() {
  const [email, setEmail] = useState('');
  const [password, setPassword] = useState('');
  const [confirmPassword, setConfirmPassword] = useState('');
  const [error, setError] = useState('');
  const [loading, setLoading] = useState(false);
  const router = useRouter();
  const { signUp, signInWithGoogle } = useAuth();

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();
    
    if (password !== confirmPassword) {
      return setError('Passwords do not match');
    }

    try {
      setError('');
      setLoading(true);
      await signUp(email, password);
      router.push('/'); // Redirect to home page after successful signup
    } catch (error: unknown) {
      const errorMessage = error instanceof Error ? error.message : 'Failed to create an account';
      setError(errorMessage);
    } finally {
      setLoading(false);
    }
  };

  const handleGoogleSignIn = async () => {
    try {
      setError('');
      setLoading(true);
      await signInWithGoogle();
      router.push('/');
    } catch (error: unknown) {
      const errorMessage = error instanceof Error ? error.message : 'Failed to sign up with Google';
      setError(errorMessage);
    } finally {
      setLoading(false);
    }
  };

  return (
    <div className="min-h-screen flex items-center justify-center bg-gradient-to-b from-background to-background/95 px-4">
      <div className="max-w-md w-full space-y-8 bg-white/5 backdrop-blur-sm p-8 rounded-2xl shadow-xl">
        <div>
          <h2 className="mt-6 text-center text-3xl font-bold bg-clip-text text-transparent bg-gradient-to-r from-purple-600 to-pink-600">
            Create your account
          </h2>
        </div>
        
        {error && (
          <div className="bg-red-500/10 border border-red-500/20 text-red-500 px-4 py-3 rounded-lg text-sm">
            {error}
          </div>
        )}

        <form className="mt-8 space-y-6" onSubmit={handleSubmit}>
          <div className="space-y-4">
            <div>
              <label htmlFor="email" className="block text-sm font-medium text-foreground/80">
                Email address
              </label>
              <input
                id="email"
                name="email"
                type="email"
                autoComplete="email"
                required
                value={email}
                onChange={(e) => setEmail(e.target.value)}
                className="mt-1 block w-full px-4 py-3 bg-background/50 border border-foreground/10 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent transition-colors"
                placeholder="Enter your email"
              />
            </div>

            <div>
              <label htmlFor="password" className="block text-sm font-medium text-foreground/80">
                Password
              </label>
              <input
                id="password"
                name="password"
                type="password"
                autoComplete="new-password"
                required
                value={password}
                onChange={(e) => setPassword(e.target.value)}
                className="mt-1 block w-full px-4 py-3 bg-background/50 border border-foreground/10 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent transition-colors"
                placeholder="Create a password"
              />
            </div>

            <div>
              <label htmlFor="confirm-password" className="block text-sm font-medium text-foreground/80">
                Confirm Password
              </label>
              <input
                id="confirm-password"
                name="confirm-password"
                type="password"
                autoComplete="new-password"
                required
                value={confirmPassword}
                onChange={(e) => setConfirmPassword(e.target.value)}
                className="mt-1 block w-full px-4 py-3 bg-background/50 border border-foreground/10 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent transition-colors"
                placeholder="Confirm your password"
              />
            </div>
          </div>

          <div>
            <button
              type="submit"
              disabled={loading}
              className="w-full flex justify-center py-3 px-4 border border-transparent rounded-lg shadow-sm text-sm font-medium text-white bg-gradient-to-r from-purple-600 to-pink-600 hover:opacity-90 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-purple-500 transition-opacity disabled:opacity-50 disabled:cursor-not-allowed"
            >
              {loading ? 'Creating account...' : 'Create account'}
            </button>
          </div>

          <div className="relative">
            <div className="absolute inset-0 flex items-center">
              <div className="w-full border-t border-foreground/10"></div>
            </div>
            <div className="relative flex justify-center text-sm">
              <span className="px-2 bg-background text-foreground/60">Or continue with</span>
            </div>
          </div>

          <div>
            <button
              type="button"
              onClick={handleGoogleSignIn}
              disabled={loading}
              className="w-full flex justify-center items-center gap-2 py-3 px-4 border border-foreground/10 rounded-lg shadow-sm text-sm font-medium text-foreground bg-background/50 hover:bg-background/80 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-purple-500 transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
            >
              <svg className="w-5 h-5" viewBox="0 0 24 24">
                <path
                  fill="currentColor"
                  d="M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.09z"
                />
                <path
                  fill="currentColor"
                  d="M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z"
                />
                <path
                  fill="currentColor"
                  d="M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z"
                />
                <path
                  fill="currentColor"
                  d="M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z"
                />
              </svg>
              Sign up with Google
            </button>
          </div>
        </form>

        <div className="text-center text-sm">
          <span className="text-foreground/60">Already have an account? </span>
          <Link
            href="/auth/login"
            className="text-purple-600 hover:text-purple-500 transition-colors"
          >
            Sign in
          </Link>
        </div>
      </div>
    </div>
  );
}