import { useRecoilCallback, useSetRecoilState } from 'recoil';

import { captchaTokenState } from '@/captcha/states/captchaTokenState';
import { isRequestingCaptchaTokenState } from '@/captcha/states/isRequestingCaptchaTokenState';
import { isCaptchaRequiredForPath } from '@/captcha/utils/isCaptchaRequiredForPath';
import { captchaState } from '@/client-config/states/captchaState';
import { useLocation } from 'react-router-dom';
import { CaptchaDriverType } from '~/generated-metadata/graphql';
import { isUndefinedOrNull } from '~/utils/isUndefinedOrNull';

declare global {
  interface Window {
    grecaptcha?: any;
    turnstile?: any;
  }
}

export const useRequestFreshCaptchaToken = () => {
  const setCaptchaToken = useSetRecoilState(captchaTokenState);
  const setIsRequestingCaptchaToken = useSetRecoilState(
    isRequestingCaptchaTokenState,
  );

  const location = useLocation();

  const requestFreshCaptchaToken = useRecoilCallback(
    ({ snapshot }) =>
      async () => {
        if (!isCaptchaRequiredForPath(location.pathname)) {
          return;
        }

        const captcha = snapshot.getLoadable(captchaState).getValue();

        if (isUndefinedOrNull(captcha?.provider)) {
          return;
        }

        setIsRequestingCaptchaToken(true);

        let captchaWidget: any;

        switch (captcha.provider) {
          case CaptchaDriverType.GoogleRecaptcha:
            window.grecaptcha
              .execute(captcha.siteKey, {
                action: 'submit',
              })
              .then((token: string) => {
                setCaptchaToken(token);
                setIsRequestingCaptchaToken(false);
              });
            break;
          case CaptchaDriverType.Turnstile:
            captchaWidget = window.turnstile.render('#captcha-widget', {
              sitekey: captcha.siteKey,
            });
            window.turnstile.execute(captchaWidget, {
              callback: (token: string) => {
                setCaptchaToken(token);
                setIsRequestingCaptchaToken(false);
              },
            });
        }
      },
    [location.pathname, setCaptchaToken, setIsRequestingCaptchaToken],
  );

  return { requestFreshCaptchaToken };
};