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

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

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

export async function getLotOccupancyFields(
  lotOccupancyId: number | string,
  connectedDatabase?: PoolConnection
): Promise<LotOccupancyField[]> {
  const database = connectedDatabase ?? (await acquireConnection())

  const lotOccupancyFields = database
    .prepare(
      `select o.lotOccupancyId, o.occupancyTypeFieldId,
        o.lotOccupancyFieldValue, f.occupancyTypeField, f.occupancyTypeFieldValues,
        f.isRequired, f.pattern, f.minimumLength, f.maximumLength,
        f.orderNumber, t.orderNumber as occupancyTypeOrderNumber
        from LotOccupancyFields o
        left join OccupancyTypeFields f on o.occupancyTypeFieldId = f.occupancyTypeFieldId
        left join OccupancyTypes t on f.occupancyTypeId = t.occupancyTypeId
        where o.recordDelete_timeMillis is null
        and o.lotOccupancyId = ?
        
        union
        
        select ? as lotOccupancyId, f.occupancyTypeFieldId,
        '' as lotOccupancyFieldValue, f.occupancyTypeField, f.occupancyTypeFieldValues,
        f.isRequired, f.pattern, f.minimumLength, f.maximumLength,
        f.orderNumber, t.orderNumber as occupancyTypeOrderNumber
        from OccupancyTypeFields f
        left join OccupancyTypes t on f.occupancyTypeId = t.occupancyTypeId
        where f.recordDelete_timeMillis is null and (
          f.occupancyTypeId is null
          or f.occupancyTypeId in (select occupancyTypeId from LotOccupancies where lotOccupancyId = ?))
        and f.occupancyTypeFieldId not in (select occupancyTypeFieldId from LotOccupancyFields where lotOccupancyId = ? and recordDelete_timeMillis is null)
        order by occupancyTypeOrderNumber, f.orderNumber, f.occupancyTypeField`
    )
    .all(
      lotOccupancyId,
      lotOccupancyId,
      lotOccupancyId,
      lotOccupancyId
    ) as LotOccupancyField[]

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

  return lotOccupancyFields
}

export default getLotOccupancyFields