import sqlite from "better-sqlite3";

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

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

export function getLotFields(
    lotId: number | string,
    connectedDatabase?: sqlite.Database
): recordTypes.LotField[] {
    const database =
        connectedDatabase ||
        sqlite(databasePath, {
            readonly: true
        });

    const lotFields: recordTypes.LotField[] = database
        .prepare(
            `select l.lotId, l.lotTypeFieldId,
                l.lotFieldValue,
                f.lotTypeField, f.lotTypeFieldValues,
                f.isRequired, f.pattern, f.minimumLength, f.maximumLength,
                f.orderNumber, t.orderNumber as lotTypeOrderNumber
                from LotFields l
                left join LotTypeFields f on l.lotTypeFieldId = f.lotTypeFieldId
                left join LotTypes t on f.lotTypeId = t.lotTypeId
                where l.recordDelete_timeMillis is null
                and l.lotId = ?
            
                union
            
                select ? as lotId, f.lotTypeFieldId,
                '' as lotFieldValue,
                f.lotTypeField, f.lotTypeFieldValues,
                f.isRequired, f.pattern, f.minimumLength, f.maximumLength,
                f.orderNumber, t.orderNumber as lotTypeOrderNumber
                from LotTypeFields f
                left join LotTypes t on f.lotTypeId = t.lotTypeId
                where f.recordDelete_timeMillis is null
                and (
                    f.lotTypeId is null
                    or f.lotTypeId in (select lotTypeId from Lots where lotId = ?))
                and f.lotTypeFieldId not in (select lotTypeFieldId from LotFields where lotId = ? and recordDelete_timeMillis is null)
                order by lotTypeOrderNumber, f.orderNumber, f.lotTypeField`
        )
        .all(lotId, lotId, lotId, lotId);

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

    return lotFields;
}

export default getLotFields;