import sqlite from 'better-sqlite3'

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

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

interface GetFilters {
  mapId?: number | string
}

interface LotTypeSummary extends recordTypes.LotType {
  lotCount: number
}

export function getLotTypeSummary(filters?: GetFilters): LotTypeSummary[] {
  const database = sqlite(databasePath, {
    readonly: true
  })

  let sqlWhereClause = ' where l.recordDelete_timeMillis is null'
  const sqlParameters: unknown[] = []

  if (filters?.mapId) {
    sqlWhereClause += ' and l.mapId = ?'
    sqlParameters.push(filters.mapId)
  }

  const lotTypes: LotTypeSummary[] = database
    .prepare(
      'select t.lotTypeId, t.lotType, count(l.lotId) as lotCount' +
        ' from Lots l' +
        ' left join LotTypes t on l.lotTypeId = t.lotTypeId' +
        sqlWhereClause +
        ' group by t.lotTypeId, t.lotType, t.orderNumber' +
        ' order by t.orderNumber'
    )
    .all(sqlParameters)

  database.close()

  return lotTypes
}

export default getLotTypeSummary