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

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

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

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

  const fields = database
    .prepare(
      `select o.burialSiteContractId, o.contractTypeFieldId,
        o.fieldValue, f.contractTypeField, f.fieldType, f.fieldValues,
        f.isRequired, f.pattern, f.minimumLength, f.maximumLength,
        f.orderNumber, t.orderNumber as contractTypeOrderNumber
        from BurialSiteContractFields o
        left join ContractTypeFields f on o.contractTypeFieldId = f.contractTypeFieldId
        left join ContractTypes t on f.contractTypeId = t.contractTypeId
        where o.recordDelete_timeMillis is null
        and o.burialSiteContractId = ?
        
        union
        
        select ? as burialSiteContractId, f.contractTypeFieldId,
        '' as fieldValue, f.contractTypeField, f.fieldType, f.fieldValues,
        f.isRequired, f.pattern, f.minimumLength, f.maximumLength,
        f.orderNumber, t.orderNumber as contractTypeOrderNumber
        from ContractTypeFields f
        left join ContractTypes t on f.contractTypeId = t.contractTypeId
        where f.recordDelete_timeMillis is null and (
          f.contractTypeId is null
          or f.contractTypeId in (select contractTypeId from BurialSiteContracts where burialSiteContractId = ?))
        and f.contractTypeFieldId not in (select contractTypeFieldId from BurialSiteContractFields where burialSiteContractId = ? and recordDelete_timeMillis is null)
        order by contractTypeOrderNumber, f.orderNumber, f.contractTypeField`
    )
    .all(
      burialSiteContractId,
      burialSiteContractId,
      burialSiteContractId,
      burialSiteContractId
    ) as BurialSiteContractField[]

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

  return fields
}