import sqlite from 'better-sqlite3'

import { lotOccupancyDB as databasePath } from '../../data/databasePaths.js'

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

import type * as recordTypes from '../../types/recordTypes'

interface GetFeesFilters {
  occupancyTypeId?: number | string
  lotTypeId?: number | string
}

export function getFees(
  feeCategoryId: number,
  additionalFilters: GetFeesFilters,
  connectedDatabase?: sqlite.Database
): recordTypes.Fee[] {
  const updateOrderNumbers = !(
    additionalFilters.lotTypeId || additionalFilters.occupancyTypeId
  )

  const database =
    connectedDatabase ??
    sqlite(databasePath, {
      readonly: !updateOrderNumbers
    })

  let sqlWhereClause =
    ' where f.recordDelete_timeMillis is null and f.feeCategoryId = ?'

  const sqlParameters: unknown[] = [feeCategoryId]

  if (additionalFilters.occupancyTypeId) {
    sqlWhereClause +=
      ' and (f.occupancyTypeId is null or f.occupancyTypeId = ?)'

    sqlParameters.push(additionalFilters.occupancyTypeId)
  }

  if (additionalFilters.lotTypeId) {
    sqlWhereClause += ' and (f.lotTypeId is null or f.lotTypeId = ?)'

    sqlParameters.push(additionalFilters.lotTypeId)
  }

  const fees = database
    .prepare(
      'select f.feeId, f.feeName, f.feeDescription,' +
        ' f.occupancyTypeId, o.occupancyType,' +
        ' f.lotTypeId, l.lotType,' +
        ' ifnull(f.feeAmount, 0) as feeAmount, f.feeFunction,' +
        ' f.taxAmount, f.taxPercentage,' +
        ' f.includeQuantity, f.quantityUnit,' +
        ' f.isRequired, f.orderNumber' +
        ' from Fees f' +
        ' left join OccupancyTypes o on f.occupancyTypeId = o.occupancyTypeId' +
        ' left join LotTypes l on f.lotTypeId = l.lotTypeId' +
        sqlWhereClause +
        ' order by f.orderNumber, f.feeName'
    )
    .all(sqlParameters)

  if (updateOrderNumbers) {
    let expectedOrderNumber = 0

    for (const fee of fees) {
      if (fee.orderNumber !== expectedOrderNumber) {
        updateRecordOrderNumber(
          'Fees',
          fee.feeId,
          expectedOrderNumber,
          database
        )
        fee.orderNumber = expectedOrderNumber
      }

      expectedOrderNumber += 1
    }
  }

  if (!connectedDatabase) {
    database.close()
  }

  return fees
}

export default getFees