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 LotStatusSummary extends recordTypes.LotStatus {
  lotCount: number
}

export function getLotStatusSummary(filters?: GetFilters): LotStatusSummary[] {
  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 lotStatuses: LotStatusSummary[] = database
    .prepare(
      'select s.lotStatusId, s.lotStatus, count(l.lotId) as lotCount' +
        ' from Lots l' +
        ' left join LotStatuses s on l.lotStatusId = s.lotStatusId' +
        sqlWhereClause +
        ' group by s.lotStatusId, s.lotStatus, s.orderNumber' +
        ' order by s.orderNumber'
    )
    .all(sqlParameters)

  database.close()

  return lotStatuses
}

export default getLotStatusSummary