import sqlite from "better-sqlite3";

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

import { clearCacheByTableName } from "../functions.cache.js";

export function moveLotTypeFieldUp(lotTypeFieldId: number | string): boolean {
    const database = sqlite(databasePath);

    const currentField: { lotTypeId: number; orderNumber: number } = database
        .prepare("select lotTypeId, orderNumber from LotTypeFields where lotTypeFieldId = ?")
        .get(lotTypeFieldId);

    if (currentField.orderNumber <= 0) {
        database.close();
        return true;
    }

    database
        .prepare(
            `update LotTypeFields
                set orderNumber = orderNumber + 1
                where recordDelete_timeMillis is null
                and lotTypeId = ?
                and orderNumber = ? - 1`
        )
        .run(currentField.lotTypeId, currentField.orderNumber);

    const result = database
        .prepare("update LotTypeFields set orderNumber = ? - 1 where lotTypeFieldId = ?")
        .run(currentField.orderNumber, lotTypeFieldId);

    database.close();

    clearCacheByTableName("LotTypeFields");

    return result.changes > 0;
}

export function moveLotTypeFieldUpToTop(lotTypeFieldId: number | string): boolean {
    const database = sqlite(databasePath);

    const currentField: { lotTypeId: number; orderNumber: number } = database
        .prepare("select lotTypeId, orderNumber from LotTypeFields where lotTypeFieldId = ?")
        .get(lotTypeFieldId);

    if (currentField.orderNumber > 0) {
        database
            .prepare("update LotTypeFields set orderNumber = -1 where lotTypeFieldId = ?")
            .run(lotTypeFieldId);

        database
            .prepare(
                `update LotTypeFields
                    set orderNumber = orderNumber + 1
                    where recordDelete_timeMillis is null
                    and lotTypeId = ?
                    and orderNumber < ?`
            )
            .run(currentField.lotTypeId, currentField.orderNumber);
    }

    database.close();

    clearCacheByTableName("LotTypeFields");

    return true;
}

export default moveLotTypeFieldUp;