import prisma from 'lib/prisma';
import clickhouse from 'lib/clickhouse';
import { runQuery, CLICKHOUSE, PRISMA } from 'lib/db';

export async function getValues(...args: [websiteId: string, column: string]) {
  return runQuery({
    [PRISMA]: () => relationalQuery(...args),
    [CLICKHOUSE]: () => clickhouseQuery(...args),
  });
}

async function relationalQuery(websiteId: string, column: string) {
  const { rawQuery } = prisma;

  return rawQuery(
    `
    select distinct ${column} as "value"
    from website_event
    inner join session
      on session.session_id = website_event.session_id
    where website_event.website_id = {{websiteId::uuid}}
    `,
    { websiteId },
  );
}

async function clickhouseQuery(websiteId: string, column: string) {
  const { rawQuery } = clickhouse;

  return rawQuery(
    `
    select distinct ${column} as value
    from website_event
    where website_id = {websiteId:UUID}
    `,
    { websiteId },
  );
}