import { parseFilters, rawQuery, getDateQuery } from 'lib/queries';

export function getPageviewStats(
  website_id,
  start_at,
  end_at,
  timezone = 'utc',
  unit = 'day',
  count = '*',
  filters = {},
) {
  const params = [website_id, start_at, end_at];
  const { pageviewQuery, sessionQuery, joinSession } = parseFilters(
    'pageview',
    null,
    filters,
    params,
  );

  return rawQuery(
    `
    select
      g.t as t, 
      g.y as y
    from
      (select ${getDateQuery('pageview.created_at', unit, timezone)} t,
        count(${count}) y
      from pageview
        ${joinSession}
      where pageview.website_id=$1
      and pageview.created_at between $2 and $3
      ${pageviewQuery}
      ${sessionQuery}
      group by 1) g
    order by 1
    `,
    params,
  );
}