import type { PoolConnection } from 'better-sqlite-pool'

import type { BurialSiteField } from '../types/recordTypes.js'

import { acquireConnection } from './pool.js'

export default async function getBurialSiteFields(
  burialSiteId: number | string,
  connectedDatabase?: PoolConnection
): Promise<BurialSiteField[]> {
  const database = connectedDatabase ?? (await acquireConnection())

  const burialSiteFields = database
    .prepare(
      `select l.burialSiteId, l.burialSiteTypeFieldId,
        l.fieldValue,
        f.burialSiteTypeField, f.fieldType, f.fieldValues,
        f.isRequired, f.pattern, f.minLength, f.maxLength,
        f.orderNumber, t.orderNumber as burialSiteTypeOrderNumber
        from BurialSiteFields l
        left join BurialSiteTypeFields f on l.burialSiteTypeFieldId = f.burialSiteTypeFieldId
        left join BurialSiteTypes t on f.burialSiteTypeId = t.burialSiteTypeId
        where l.recordDelete_timeMillis is null
        and l.burialSiteId = ?
    
        union
    
        select ? as burialSiteId, f.burialSiteTypeFieldId,
        '' as fieldValue,
        f.burialSiteTypeField, f.fieldType, f.fieldValues,
        f.isRequired, f.pattern, f.minLength, f.maxLength,
        f.orderNumber, t.orderNumber as burialSiteTypeOrderNumber
        from BurialSiteTypeFields f
        left join BurialSiteTypes t on f.burialSiteTypeId = t.burialSiteTypeId
        where f.recordDelete_timeMillis is null
        and (
            f.burialSiteTypeId is null
            or f.burialSiteTypeId in (select burialSiteTypeId from BurialSites where burialSiteId = ?))
        and f.burialSiteTypeFieldId not in (select burialSiteTypeFieldId from BurialSiteFields where burialSiteId = ? and recordDelete_timeMillis is null)
        order by burialSiteTypeOrderNumber, f.orderNumber, f.burialSiteTypeField`
    )
    .all(
      burialSiteId,
      burialSiteId,
      burialSiteId,
      burialSiteId
    ) as BurialSiteField[]

  if (connectedDatabase === undefined) {
    database.release()
  }

  return burialSiteFields
}