sign/apps/web/src/components/forms/signin.tsx

'use client';

import { useEffect, useRef } from 'react';

import { useSearchParams } from 'next/navigation';

import { zodResolver } from '@hookform/resolvers/zod';
import { Loader } from 'lucide-react';
import { signIn } from 'next-auth/react';
import { useForm } from 'react-hook-form';
import { FcGoogle } from 'react-icons/fc';
import { z } from 'zod';

import { ErrorCodes } from '@documenso/lib/next-auth/error-codes';
import { cn } from '@documenso/ui/lib/utils';
import { Button } from '@documenso/ui/primitives/button';
import { Input } from '@documenso/ui/primitives/input';
import { Label } from '@documenso/ui/primitives/label';
import { useToast } from '@documenso/ui/primitives/use-toast';

const ErrorMessages = {
  [ErrorCodes.CredentialsNotFound]: 'Credentials not found',
  [ErrorCodes.IncorrectEmailPassword]: 'Incorrect email or password',
  [ErrorCodes.UserMissingPassword]: 'User is missing password',
};

export const ZSignInFormSchema = z.object({
  email: z.string().email().min(1),
  password: z.string().min(6).max(72),
});

export type TSignInFormSchema = z.infer<typeof ZSignInFormSchema>;

export type SignInFormProps = {
  className?: string;
};

export const SignInForm = ({ className }: SignInFormProps) => {
  const searchParams = useSearchParams();
  const { toast } = useToast();
  const [showPassword, setShowPassword] = useState(false);

  const {
    register,
    handleSubmit,
    formState: { errors, isSubmitting },
  } = useForm<TSignInFormSchema>({
    values: {
      email: '',
      password: '',
    },
    resolver: zodResolver(ZSignInFormSchema),
  });

  const timer = useRef<NodeJS.Timeout | null>(null);

  useEffect(() => {
    const error = searchParams?.get('error');
    if (error) {
      timer.current = setTimeout(() => {
        // FIXME: Toast not firing without the TimeOut
        toast({
          variant: 'destructive',
          description:
            // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
            ErrorMessages[searchParams?.get('error') as keyof typeof ErrorMessages] ??
            'an unknown error occurred',
        });
      }, 100);
    }
    return () => {
      if (timer.current) {
        clearInterval(timer.current);
      }
      timer.current = null;
    };
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, []);

  const onFormSubmit = async ({ email, password }: TSignInFormSchema) => {
    try {
      await signIn('credentials', {
        email,
        password,
        callbackUrl: '/documents',
      }).catch((err) => {
        console.error(err);
      });

      // throw new Error('Not implemented');
    } catch (err) {
      toast({
        title: 'An unknown error occurred',
        description:
          'We encountered an unknown error while attempting to sign you In. Please try again later.',
      });
    }
  };

  const onSignInWithGoogleClick = async () => {
    try {
      await signIn('google', { callbackUrl: '/dashboard' });
      // throw new Error('Not implemented');
    } catch (err) {
      toast({
        title: 'An unknown error occurred',
        description:
          'We encountered an unknown error while attempting to sign you In. Please try again later.',
        variant: 'destructive',
      });
    }
  };

  return (
    <form
      className={cn('flex w-full flex-col gap-y-4', className)}
      onSubmit={handleSubmit(onFormSubmit)}
    >
      <div>
        <Label htmlFor="email" className="text-slate-500">
          Email
        </Label>

        <Input id="email" type="email" className="bg-background mt-2" {...register('email')} />

        {errors.email && <span className="mt-1 text-xs text-red-500">{errors.email.message}</span>}
      </div>

      <div>
        <Label htmlFor="password" className="text-slate-500">
          Password
        </Label>

        <Input
          id="password"
          type="password"
          minLength={6}
          maxLength={72}
          autoComplete="current-password"
          className="bg-background mt-2"
          {...register('password')}
        />

        {errors.password && (
          <span className="mt-1 text-xs text-red-500">{errors.password.message}</span>
        )}
      </div>

      <Button size="lg" disabled={isSubmitting} className="dark:bg-documenso dark:hover:opacity-90">
        {isSubmitting && <Loader className="mr-2 h-5 w-5 animate-spin" />}
        Sign In
      </Button>

      <div className="relative flex items-center justify-center gap-x-4 py-2 text-xs uppercase">
        <div className="bg-border h-px flex-1" />
        <span className="text-muted-foreground bg-transparent">Or continue with</span>
        <div className="bg-border h-px flex-1" />
      </div>

      <Button
        type="button"
        size="lg"
        variant={'outline'}
        className="bg-background text-muted-foreground border"
        disabled={isSubmitting}
        onClick={onSignInWithGoogleClick}
      >
        <FcGoogle className="mr-2 h-5 w-5" />
        Google
      </Button>
    </form>
  );
};