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

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

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

export default async function getOccupancyTypeFields(
  occupancyTypeId?: number,
  connectedDatabase?: PoolConnection
): Promise<OccupancyTypeField[]> {
  const database = connectedDatabase ?? (await acquireConnection())

  const sqlParameters: unknown[] = []

  if ((occupancyTypeId ?? -1) !== -1) {
    sqlParameters.push(occupancyTypeId)
  }

  const occupancyTypeFields = database
    .prepare(
      `select occupancyTypeFieldId, occupancyTypeField,
        occupancyTypeFieldValues, isRequired, pattern, minimumLength, maximumLength, orderNumber
        from OccupancyTypeFields
        where recordDelete_timeMillis is null
        ${
          (occupancyTypeId ?? -1) === -1
            ? ' and occupancyTypeId is null'
            : ' and occupancyTypeId = ?'
        }
        order by orderNumber, occupancyTypeField`
    )
    .all(sqlParameters) as OccupancyTypeField[]

  let expectedOrderNumber = 0

  for (const occupancyTypeField of occupancyTypeFields) {
    if (occupancyTypeField.orderNumber !== expectedOrderNumber) {
      updateRecordOrderNumber(
        'OccupancyTypeFields',
        occupancyTypeField.occupancyTypeFieldId,
        expectedOrderNumber,
        database
      )

      occupancyTypeField.orderNumber = expectedOrderNumber
    }

    expectedOrderNumber += 1
  }

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

  return occupancyTypeFields
}