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

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

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

export default async function getContractTypeFields(
  contractTypeId?: number,
  connectedDatabase?: PoolConnection
): Promise<ContractTypeField[]> {
  const database = connectedDatabase ?? (await acquireConnection())

  const sqlParameters: unknown[] = []

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

  const contractTypeFields = database
    .prepare(
      `select contractTypeFieldId, contractTypeField, fieldType,
        fieldValues, isRequired, pattern, minimumLength, maximumLength, orderNumber
        from ContractTypeFields
        where recordDelete_timeMillis is null
        ${
          (contractTypeId ?? -1) === -1
            ? ' and contractTypeId is null'
            : ' and contractTypeId = ?'
        }
        order by orderNumber, contractTypeField`
    )
    .all(sqlParameters) as ContractTypeField[]

  let expectedOrderNumber = 0

  for (const contractTypeField of contractTypeFields) {
    if (contractTypeField.orderNumber !== expectedOrderNumber) {
      updateRecordOrderNumber(
        'ContractTypeFields',
        contractTypeField.contractTypeFieldId,
        expectedOrderNumber,
        database
      )

      contractTypeField.orderNumber = expectedOrderNumber
    }

    expectedOrderNumber += 1
  }

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

  return contractTypeFields
}