import {Fragment, useMemo} from 'react';
import styled from '@emotion/styled';

import {Hovercard} from 'sentry/components/hovercard';
import {t} from 'sentry/locale';
import {space} from 'sentry/styles/space';
import {FullSpanDescription} from 'sentry/views/starfish/components/fullSpanDescription';
import {SpanDescriptionLink} from 'sentry/views/starfish/components/spanDescriptionLink';
import {ModuleName} from 'sentry/views/starfish/types';
import {SQLishFormatter} from 'sentry/views/starfish/utils/sqlish/SQLishFormatter';

const formatter = new SQLishFormatter();

interface Props {
  description: string;
  moduleName: ModuleName;
  projectId: number;
  endpoint?: string;
  endpointMethod?: string;
  group?: string;
}

export function SpanDescriptionCell({
  description: rawDescription,
  group,
  moduleName,
  endpoint,
  endpointMethod,
  projectId,
}: Props) {
  const formatterDescription = useMemo(() => {
    if (moduleName !== ModuleName.DB) {
      return rawDescription;
    }

    return formatter.toSimpleMarkup(rawDescription);
  }, [moduleName, rawDescription]);

  if (!rawDescription) {
    return NULL_DESCRIPTION;
  }

  const descriptionLink = (
    <SpanDescriptionLink
      group={group}
      projectId={projectId}
      endpoint={endpoint}
      endpointMethod={endpointMethod}
      description={formatterDescription}
    />
  );

  if (moduleName === ModuleName.DB) {
    return (
      <DescriptionWrapper>
        <WiderHovercard
          position="right"
          body={
            <FullSpanDescription
              group={group}
              shortDescription={rawDescription}
              language="sql"
            />
          }
        >
          {descriptionLink}
        </WiderHovercard>
      </DescriptionWrapper>
    );
  }

  if (moduleName === ModuleName.HTTP) {
    return (
      <DescriptionWrapper>
        <WiderHovercard
          position="right"
          body={
            <Fragment>
              <TitleWrapper>{t('Example')}</TitleWrapper>
              <FullSpanDescription
                group={group}
                shortDescription={rawDescription}
                language="http"
              />
            </Fragment>
          }
        >
          {descriptionLink}
        </WiderHovercard>
      </DescriptionWrapper>
    );
  }

  return descriptionLink;
}

const NULL_DESCRIPTION = <span>&lt;null&gt;</span>;

export const WiderHovercard = styled(
  ({
    children,
    className,
    containerClassName,
    ...props
  }: React.ComponentProps<typeof Hovercard>) => (
    <Hovercard
      className={(className ?? '') + ' wider'}
      containerClassName={(containerClassName ?? '') + ' inline-flex'}
      {...props}
    >
      {children}
    </Hovercard>
  )
)`
  &.wider {
    width: auto;
    max-width: 550px;
  }
`;

const TitleWrapper = styled('div')`
  margin-bottom: ${space(1)};
`;

const DescriptionWrapper = styled('div')`
  .inline-flex {
    display: inline-flex;
  }
`;