import React, { useCallback, useEffect, type JSX } from 'react';

import { useTranslation } from 'next-i18next';
import { useForm } from 'react-hook-form';
import { PrismAsyncLight } from 'react-syntax-highlighter';
import { oneDark } from 'react-syntax-highlighter/dist/cjs/styles/prism';
import { Card, CardBody } from 'reactstrap';

import AdminCustomizeContainer from '~/client/services/AdminCustomizeContainer';
import { toastSuccess, toastError } from '~/client/util/toastr';

import { withUnstatedContainers } from '../../UnstatedUtils';
import AdminUpdateButtonRow from '../Common/AdminUpdateButtonRow';

type Props = {
  adminCustomizeContainer: AdminCustomizeContainer
}

const CustomizeScriptSetting = (props: Props): JSX.Element => {

  const { adminCustomizeContainer } = props;
  const { t } = useTranslation();

  const {
    register,
    handleSubmit,
    reset,
  } = useForm();

  // Sync form with container state
  useEffect(() => {
    reset({
      customizeScript: adminCustomizeContainer.state.currentCustomizeScript || '',
    });
  }, [adminCustomizeContainer.state.currentCustomizeScript, reset]);

  const onSubmit = useCallback(async(data) => {
    try {
      // Update container state before API call
      await adminCustomizeContainer.changeCustomizeScript(data.customizeScript);
      await adminCustomizeContainer.updateCustomizeScript();
      toastSuccess(t('toaster.update_successed', { target: t('admin:customize_settings.custom_script'), ns: 'commons' }));
    }
    catch (err) {
      toastError(err);
    }
  }, [t, adminCustomizeContainer]);

  return (
    <React.Fragment>
      <div className="row">
        <div className="col-12">
          <h2 className="admin-setting-header">{t('admin:customize_settings.custom_script')}</h2>
          <Card className="card custom-card bg-body-tertiary mb-3">
            <CardBody className="px-0 py-2">
              {t('admin:customize_settings.write_java')}<br />
              {t('admin:customize_settings.reflect_change')}
            </CardBody>
          </Card>

          <form onSubmit={handleSubmit(onSubmit)}>
            <div>
              <textarea
                className="form-control mb-2"
                rows={8}
                {...register('customizeScript')}
              />
            </div>

            <a
              className="text-muted"
              data-bs-toggle="collapse"
              href="#collapseExampleScript"
              role="button"
              aria-expanded="false"
              aria-controls="collapseExampleScript"
            >
              <span className="material-symbols-outlined me-1" aria-hidden="true">navigate_next</span>
              Example for Google Tag Manager
            </a>
            <div className="collapse" id="collapseExampleScript">
              <PrismAsyncLight
                style={oneDark}
                language="javascript"
              >
                {`(function(w,d,s,l,i){
w[l]=w[l]||[];
w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});
var f=d.getElementsByTagName(s)[0],
  j=d.createElement(s),
  dl=l!='dataLayer'?'&l='+l:'';
j.async=true;
j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-XXXXXX');`}
              </PrismAsyncLight>
            </div>

            <AdminUpdateButtonRow type="submit" disabled={adminCustomizeContainer.state.retrieveError != null} />
          </form>
        </div>
      </div>
    </React.Fragment>
  );

};

const CustomizeScriptSettingWrapper = withUnstatedContainers(CustomizeScriptSetting, [AdminCustomizeContainer]);

export default CustomizeScriptSettingWrapper;