import sqlite from "better-sqlite3";

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

import { getLotOccupantTypeById, clearLotOccupantTypesCache } from "../functions.cache.js";

export function moveLotOccupantTypeDown(lotOccupantTypeId: number | string): boolean {
    const currentOrderNumber: number = getLotOccupantTypeById(
        typeof lotOccupantTypeId === "string"
            ? Number.parseInt(lotOccupantTypeId)
            : lotOccupantTypeId
    ).orderNumber;

    const database = sqlite(databasePath);

    database
        .prepare(
            `update LotOccupantTypes
                set orderNumber = orderNumber - 1
                where recordDelete_timeMillis is null
                and orderNumber = ? + 1`
        )
        .run(currentOrderNumber);

    const result = database
        .prepare(`update LotOccupantTypes set orderNumber = ? + 1 where lotOccupantTypeId = ?`)
        .run(currentOrderNumber, lotOccupantTypeId);

    database.close();

    clearLotOccupantTypesCache();

    return result.changes > 0;
}

export function moveLotOccupantTypeDownToBottom(lotOccupantTypeId: number | string): boolean {
    const currentOrderNumber: number = getLotOccupantTypeById(
        typeof lotOccupantTypeId === "string"
            ? Number.parseInt(lotOccupantTypeId)
            : lotOccupantTypeId
    ).orderNumber;

    const database = sqlite(databasePath);

    const maxOrderNumber: number = database
        .prepare(
            `select max(orderNumber) as maxOrderNumber
                from LotOccupantTypes
                where recordDelete_timeMillis is null`
        )
        .get().maxOrderNumber;

    if (currentOrderNumber !== maxOrderNumber) {
        database
            .prepare("update LotOccupantTypes set orderNumber = ? + 1 where lotOccupantTypeId = ?")
            .run(maxOrderNumber, lotOccupantTypeId);

        database
            .prepare(
                `update LotOccupantTypes
                    set orderNumber = orderNumber - 1
                    where recordDelete_timeMillis is null
                    and orderNumber > ?`
            )
            .run(currentOrderNumber);
    }

    database.close();

    clearLotOccupantTypesCache();

    return true;
}

export default moveLotOccupantTypeDown;