import sqlite from "better-sqlite3";

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

import type * as recordTypes from "../../types/recordTypes";


export const getLotOccupancyFields = (lotOccupancyId: number | string,
    connectedDatabase ? : sqlite.Database): recordTypes.LotOccupancyField[] => {

    const database = connectedDatabase || sqlite(databasePath, {
        readonly: true
    });

    const lotOccupancyFields: recordTypes.LotOccupancyField[] = database
            .prepare("select o.lotOccupancyId," +
            " o.occupancyTypeFieldId, o.lotOccupancyFieldValue," +
            " f.occupancyTypeField," +
            " f.occupancyTypeFieldValues, f.isRequired, f.pattern, f.minimumLength, f.maximumLength," +
            " f.orderNumber" +
            " from LotOccupancyFields o" +
            " left join OccupancyTypeFields f on o.occupancyTypeFieldId = f.occupancyTypeFieldId" +
            " where o.recordDelete_timeMillis is null" +
            " and o.lotOccupancyId = ?" +
            " union" +
            " select ? as lotOccupancyId," + 
            " f.occupancyTypeFieldId, '' as lotOccupancyFieldValue," +
            " f.occupancyTypeField," +
            " f.occupancyTypeFieldValues, f.isRequired, f.pattern, f.minimumLength, f.maximumLength," +
            " f.orderNumber" +
            " from OccupancyTypeFields f" +
            " where f.recordDelete_timeMillis is null" +
            " and f.occupancyTypeId in (select occupancyTypeId from LotOccupancies where lotOccupancyId = ?)" +
            " and f.occupancyTypeFieldId not in (select occupancyTypeFieldId from LotOccupancyFields where lotOccupancyId = ? and recordDelete_timeMillis is null)" +
            " order by orderNumber, occupancyTypeField")
            .all(lotOccupancyId, lotOccupancyId, lotOccupancyId, lotOccupancyId);

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

    return lotOccupancyFields;
};


export default getLotOccupancyFields;