`app/auth/signin/page.tsx`

134 lines
'use client';

import { signIn } from 'next-auth/react';
import { useState, useEffect } from 'react';
import Image from 'next/image';
import LoadingScreen from '@/components/LoadingScreen';

// NextAuth bounces failed OAuth back here as ?error=<code>; without surfacing
// it, a failed sign-in is a silent loop back to this page.
const AUTH_ERROR_MESSAGES: Record<string, string> = {
  AccessDenied:
    "Google blocked the sign-in for this account. If Google showed an “Access blocked” page, the app hasn't been opened to all users yet — please try again later.",
  OAuthCallback:
    'Google sign-in could not be completed. Please try again — if it keeps happening, let us know.',
  OAuthSignin:
    'We could not start the Google sign-in. Please try again in a moment.',
  Configuration:
    'Sign-in is temporarily misconfigured on our side. Please try again later.',
};

export default function SignInPage() {
  const [isLoading, setIsLoading] = useState(false);
  const [authError, setAuthError] = useState<string | null>(null);

  useEffect(() => {
    const code = new URLSearchParams(window.location.search).get('error');
    if (code) {
      setAuthError(
        AUTH_ERROR_MESSAGES[code] ??
          `Google sign-in failed (${code}). Please try again.`
      );
    }
  }, []);

  const handleGoogleSignIn = async () => {
    setIsLoading(true);
    try {
      // Force account selection - user MUST choose from account list
      await signIn('google', { 
        callbackUrl: '/auth/profile-setup',
        redirect: true,
      });
    } catch (error) {
      console.error('Sign in error:', error);
      setIsLoading(false);
    }
  };

  return (
    <div className="min-h-screen bg-gradient-to-br from-purple-900 via-pink-800 to-orange-700 flex items-center justify-center p-4">
      <div className="bg-white/95 backdrop-blur-sm rounded-3xl shadow-2xl p-8 max-w-md w-full">
        <div className="text-center mb-8">
          {/* Using the favicon as logo */}
          <div className="mx-auto w-24 h-24 mb-4 relative">
            <Image
              src="/favicon.ico"
              alt="Dear Bubbe"
              width={96}
              height={96}
              className="rounded-full shadow-lg"
            />
          </div>
          
          <h1 className="text-4xl font-bold text-gray-800 mb-2">
            Dear Bubbe
          </h1>
          <p className="text-gray-600 text-lg italic">
            "Oy vey, finally you show up!"
          </p>
        </div>

        <div className="space-y-4">
          {authError && (
            <div
              role="alert"
              className="rounded-lg border border-red-300 bg-red-50 px-4 py-3 text-sm text-red-800"
            >
              {authError}
            </div>
          )}
          <p className="text-center text-gray-700 mb-6">
            Sign in so Bubbe knows who to guilt trip, bubbeleh!
          </p>

          <button
            onClick={handleGoogleSignIn}
            disabled={isLoading}
            className="w-full flex items-center justify-center gap-3 bg-white border-2 border-gray-300 rounded-lg px-6 py-3 text-gray-700 font-medium hover:bg-gray-50 hover:border-gray-400 transition-all disabled:opacity-50 disabled:cursor-not-allowed"
          >
            {isLoading ? (
              <span>Signing in...</span>
            ) : (
              <>
                <svg className="w-5 h-5" viewBox="0 0 24 24">
                  <path
                    fill="#4285F4"
                    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="#34A853"
                    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="#FBBC05"
                    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="#EA4335"
                    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>
                <span>Sign in with Google</span>
              </>
            )}
          </button>

          <div className="text-center text-sm text-gray-500 mt-6">
            <p className="font-medium mb-2">Choose your Google account to continue</p>
            <p className="text-xs mb-3">You can switch accounts anytime</p>
            <div className="border-t pt-3">
              <p>By signing in, you agree to let Bubbe:</p>
              <ul className="mt-2 space-y-1 text-xs">
                <li>• Ask about your love life</li>
                <li>• Judge your career choices</li>
                <li>• Question why you're not married yet</li>
                <li>• Guilt you about everything</li>
              </ul>
            </div>
          </div>
        </div>
      </div>
    </div>
  );
}