'use client';

import { useEffect, useState } from 'react';

import { AlertTriangle } from 'lucide-react';

import { ONE_DAY, ONE_SECOND } from '@documenso/lib/constants/time';
import { trpc } from '@documenso/trpc/react';
import { Button } from '@documenso/ui/primitives/button';
import {
  Dialog,
  DialogContent,
  DialogDescription,
  DialogTitle,
} from '@documenso/ui/primitives/dialog';
import { useToast } from '@documenso/ui/primitives/use-toast';

export type VerifyEmailBannerProps = {
  email: string;
};

const RESEND_CONFIRMATION_EMAIL_TIMEOUT = 20 * ONE_SECOND;

export const VerifyEmailBanner = ({ email }: VerifyEmailBannerProps) => {
  const { toast } = useToast();
  const [isOpen, setIsOpen] = useState(false);

  const [isButtonDisabled, setIsButtonDisabled] = useState(false);

  const { mutateAsync: sendConfirmationEmail, isLoading } =
    trpc.profile.sendConfirmationEmail.useMutation();

  const onResendConfirmationEmail = async () => {
    try {
      setIsButtonDisabled(true);

      await sendConfirmationEmail({ email: email });

      toast({
        title: 'Success',
        description: 'Verification email sent successfully.',
      });

      setIsOpen(false);
      setTimeout(() => setIsButtonDisabled(false), RESEND_CONFIRMATION_EMAIL_TIMEOUT);
    } catch (err) {
      setIsButtonDisabled(false);

      toast({
        title: 'Error',
        description: 'Something went wrong while sending the confirmation email.',
        variant: 'destructive',
      });
    }
  };

  useEffect(() => {
    // Check localStorage to see if we've recently automatically displayed the dialog
    // if it was within the past 24 hours, don't show it again
    // otherwise, show it again and update the localStorage timestamp
    const emailVerificationDialogLastShown = localStorage.getItem(
      'emailVerificationDialogLastShown',
    );

    if (emailVerificationDialogLastShown) {
      const lastShownTimestamp = parseInt(emailVerificationDialogLastShown);

      if (Date.now() - lastShownTimestamp < ONE_DAY) {
        return;
      }
    }

    setIsOpen(true);

    localStorage.setItem('emailVerificationDialogLastShown', Date.now().toString());
  }, []);

  return (
    <>
      <div className="bg-yellow-200 dark:bg-yellow-400">
        <div className="mx-auto flex max-w-screen-xl items-center justify-center gap-x-4 px-4 py-2 text-sm font-medium text-yellow-900">
          <div className="flex items-center">
            <AlertTriangle className="mr-2.5 h-5 w-5" />
            Verify your email address to unlock all features.
          </div>

          <div>
            <Button
              variant="ghost"
              className="h-auto px-2.5 py-1.5 text-yellow-900 hover:bg-yellow-100 hover:text-yellow-900 dark:hover:bg-yellow-500"
              disabled={isButtonDisabled}
              onClick={() => setIsOpen(true)}
              size="sm"
            >
              {isButtonDisabled ? 'Verification Email Sent' : 'Verify Now'}
            </Button>
          </div>
        </div>
      </div>

      <Dialog open={isOpen} onOpenChange={setIsOpen}>
        <DialogContent>
          <DialogTitle>Verify your email address</DialogTitle>

          <DialogDescription>
            We've sent a confirmation email to <strong>{email}</strong>. Please check your inbox and
            click the link in the email to verify your account.
          </DialogDescription>

          <div>
            <Button
              disabled={isButtonDisabled}
              loading={isLoading}
              onClick={onResendConfirmationEmail}
            >
              {isLoading ? 'Sending...' : 'Resend Confirmation Email'}
            </Button>
          </div>
        </DialogContent>
      </Dialog>
    </>
  );
};