import {Fragment} from 'react';
import styled from '@emotion/styled';
import * as qs from 'query-string';

import type {GridColumnHeader} from 'sentry/components/gridEditable';
import GridEditable from 'sentry/components/gridEditable';
import SortLink from 'sentry/components/gridEditable/sortLink';
import ExternalLink from 'sentry/components/links/externalLink';
import Link from 'sentry/components/links/link';
import type {CursorHandler} from 'sentry/components/pagination';
import Pagination from 'sentry/components/pagination';
import {Tooltip} from 'sentry/components/tooltip';
import {t, tct} from 'sentry/locale';
import {trackAnalytics} from 'sentry/utils/analytics';
import type {TableData, TableDataRow} from 'sentry/utils/discover/discoverQuery';
import {useDiscoverQuery} from 'sentry/utils/discover/discoverQuery';
import type {MetaType} from 'sentry/utils/discover/eventView';
import type EventView from 'sentry/utils/discover/eventView';
import {isFieldSortable} from 'sentry/utils/discover/eventView';
import {getFieldRenderer} from 'sentry/utils/discover/fieldRenderers';
import {fieldAlignment} from 'sentry/utils/discover/fields';
import {useLocation} from 'sentry/utils/useLocation';
import useOrganization from 'sentry/utils/useOrganization';
import usePageFilters from 'sentry/utils/usePageFilters';
import TopResultsIndicator from 'sentry/views/discover/table/topResultsIndicator';
import type {TableColumn} from 'sentry/views/discover/table/types';
import {
  PRIMARY_RELEASE_ALIAS,
  SECONDARY_RELEASE_ALIAS,
} from 'sentry/views/insights/common/components/releaseSelector';
import {OverflowEllipsisTextContainer} from 'sentry/views/insights/common/components/textAlign';
import {useReleaseSelection} from 'sentry/views/insights/common/queries/useReleases';
import {useModuleURL} from 'sentry/views/insights/common/utils/useModuleURL';
import useCrossPlatformProject from 'sentry/views/insights/mobile/common/queries/useCrossPlatformProject';
import {TOP_SCREENS} from 'sentry/views/insights/mobile/constants';
import {ModuleName, SpanMetricsField} from 'sentry/views/insights/types';

type Props = {
  data: TableData | undefined;
  eventView: EventView;
  isLoading: boolean;
  pageLinks: string | undefined;
  onCursor?: CursorHandler;
};

export function ScreensTable({data, eventView, isLoading, pageLinks, onCursor}: Props) {
  const moduleURL = useModuleURL('screen_load');
  const location = useLocation();
  const organization = useOrganization();
  const {primaryRelease, secondaryRelease} = useReleaseSelection();
  const {project} = useCrossPlatformProject();
  const eventViewColumns = eventView.getColumns();

  const ttidColumnNamePrimaryRelease = `avg_if(measurements.time_to_initial_display,release,${primaryRelease})`;
  const ttidColumnNameSecondaryRelease = `avg_if(measurements.time_to_initial_display,release,${secondaryRelease})`;
  const ttfdColumnNamePrimaryRelease = `avg_if(measurements.time_to_full_display,release,${primaryRelease})`;
  const ttfdColumnNameSecondaryRelease = `avg_if(measurements.time_to_full_display,release,${secondaryRelease})`;
  const countColumnName = `count()`;

  const columnNameMap = {
    transaction: t('Screen'),
    [ttidColumnNamePrimaryRelease]: t('AVG TTID (%s)', PRIMARY_RELEASE_ALIAS),
    [ttidColumnNameSecondaryRelease]: t('AVG TTID (%s)', SECONDARY_RELEASE_ALIAS),
    [ttfdColumnNamePrimaryRelease]: t('AVG TTFD (%s)', PRIMARY_RELEASE_ALIAS),
    [ttfdColumnNameSecondaryRelease]: t('AVG TTFD (%s)', SECONDARY_RELEASE_ALIAS),
    [countColumnName]: t('Total Count'),
  };

  const columnTooltipMap = {
    [ttidColumnNamePrimaryRelease]: t(
      'Average time to initial display of %s.',
      PRIMARY_RELEASE_ALIAS
    ),
    [ttidColumnNameSecondaryRelease]: t(
      'Average time to initial display of %s.',
      SECONDARY_RELEASE_ALIAS
    ),
    [ttfdColumnNamePrimaryRelease]: t(
      'Average time to initial display of %s.',
      PRIMARY_RELEASE_ALIAS
    ),
    [ttfdColumnNameSecondaryRelease]: t(
      'Average time to full display of %s.',
      SECONDARY_RELEASE_ALIAS
    ),
    [countColumnName]: t('The total count of screen loads.'),
  };

  function renderBodyCell(column, row): React.ReactNode {
    if (!data?.meta || !data?.meta.fields) {
      return row[column.key];
    }

    const index = data.data.indexOf(row);

    const field = String(column.key);

    if (field === 'transaction') {
      return (
        <Fragment>
          <TopResultsIndicator count={TOP_SCREENS} index={index} />
          <OverflowEllipsisTextContainer>
            <Link
              to={`${moduleURL}/spans/?${qs.stringify({
                ...location.query,
                project: row['project.id'],
                transaction: row.transaction,
                primaryRelease,
                secondaryRelease,
              })}`}
            >
              {row.transaction}
            </Link>
          </OverflowEllipsisTextContainer>
        </Fragment>
      );
    }

    const renderer = getFieldRenderer(column.key, data?.meta.fields, false);
    const rendered = renderer(row, {
      location,
      organization,
      unit: data?.meta.units?.[column.key],
    });
    if (
      column.key.includes('time_to_full_display') &&
      row[column.key] === 0 &&
      project?.platform &&
      ['android', 'apple-ios'].includes(project.platform)
    ) {
      const docsUrl =
        project?.platform === 'android'
          ? 'https://docs.sentry.io/platforms/android/tracing/instrumentation/automatic-instrumentation/#time-to-full-display'
          : 'https://docs.sentry.io/platforms/apple/guides/ios/tracing/instrumentation/automatic-instrumentation/#time-to-full-display';
      return (
        <div style={{textAlign: 'right'}}>
          <Tooltip
            title={tct(
              'Measuring TTFD requires manual instrumentation in your application. To learn how to collect TTFD, see the documentation [link].',
              {
                link: <ExternalLink href={docsUrl}>{t('here')}</ExternalLink>,
              }
            )}
            showUnderline
            isHoverable
          >
            {rendered}
          </Tooltip>
        </div>
      );
    }

    return rendered;
  }

  function renderHeadCell(
    column: GridColumnHeader,
    tableMeta?: MetaType
  ): React.ReactNode {
    const fieldType = tableMeta?.fields?.[column.key];
    const alignment = fieldAlignment(column.key as string, fieldType);
    const field = {
      field: column.key as string,
      width: column.width,
    };

    function generateSortLink() {
      if (!tableMeta) {
        return undefined;
      }

      const nextEventView = eventView.sortOnField(field, tableMeta);
      const queryStringObject = nextEventView.generateQueryStringObject();

      return {
        ...location,
        query: {...location.query, sort: queryStringObject.sort},
      };
    }

    const currentSort = eventView.sortForField(field, tableMeta);
    const currentSortKind = currentSort ? currentSort.kind : undefined;
    const canSort = isFieldSortable(field, tableMeta);

    const sortLink = (
      <SortLink
        align={alignment}
        title={column.name}
        direction={currentSortKind}
        canSort={canSort}
        generateSortLink={generateSortLink}
      />
    );

    function columnWithToolTip(tooltipTitle: string) {
      return (
        <Alignment align={alignment}>
          <StyledTooltip isHoverable title={<span>{tooltipTitle}</span>}>
            {sortLink}
          </StyledTooltip>
        </Alignment>
      );
    }

    const columnToolTip = columnTooltipMap[column.key];
    if (columnToolTip) {
      return columnWithToolTip(columnToolTip);
    }
    return sortLink;
  }

  return (
    <Fragment>
      <GridEditable
        isLoading={isLoading}
        data={data?.data as TableDataRow[]}
        columnOrder={eventViewColumns
          .filter(
            (col: TableColumn<React.ReactText>) =>
              col.name !== SpanMetricsField.PROJECT_ID &&
              !col.name.startsWith('avg_compare')
          )
          .map((col: TableColumn<React.ReactText>) => {
            return {...col, name: columnNameMap[col.key] ?? col.name};
          })}
        columnSortBy={[
          {
            key: 'count()',
            order: 'desc',
          },
        ]}
        grid={{
          renderHeadCell: column => renderHeadCell(column, data?.meta),
          renderBodyCell,
        }}
      />
      <Pagination
        pageLinks={pageLinks}
        onCursor={onCursor}
        paginationAnalyticsEvent={(direction: string) => {
          trackAnalytics('insight.general.table_paginate', {
            organization,
            source: ModuleName.SCREEN_LOAD,
            direction,
          });
        }}
      />
    </Fragment>
  );
}

export function useTableQuery({
  eventView,
  enabled,
  referrer,
  initialData,
  limit,
  staleTime,
  cursor,
}: {
  eventView: EventView;
  cursor?: string;
  enabled?: boolean;
  excludeOther?: boolean;
  initialData?: TableData;
  limit?: number;
  referrer?: string;
  staleTime?: number;
}) {
  const location = useLocation();
  const organization = useOrganization();
  const {isReady: pageFiltersReady} = usePageFilters();

  const result = useDiscoverQuery({
    eventView,
    location,
    orgSlug: organization.slug,
    limit: limit ?? 25,
    referrer,
    cursor,
    options: {
      refetchOnWindowFocus: false,
      enabled: enabled && pageFiltersReady,
      staleTime,
    },
  });

  return {
    ...result,
    data: result.isPending ? initialData : result.data,
    pageLinks: result.pageLinks,
  };
}

const Alignment = styled('span')<{align: string}>`
  display: block;
  margin: auto;
  text-align: ${props => props.align};
  width: 100%;
`;

const StyledTooltip = styled(Tooltip)`
  top: 1px;
  position: relative;
`;