import sqlite from "better-sqlite3";

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

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

export const moveOccupancyTypeFieldUp = (occupancyTypeFieldId: number | string): boolean => {
    const database = sqlite(databasePath);

    const currentField: { occupancyTypeId?: number; orderNumber: number } = database
        .prepare(
            "select occupancyTypeId, orderNumber" +
                " from OccupancyTypeFields" +
                " where occupancyTypeFieldId = ?"
        )
        .get(occupancyTypeFieldId);

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

    database
        .prepare(
            "update OccupancyTypeFields" +
                " set orderNumber = orderNumber + 1" +
                " where recordDelete_timeMillis is null" +
                (currentField.occupancyTypeId
                    ? " and occupancyTypeId = '" + currentField.occupancyTypeId + "'"
                    : " and occupancyTypeId is null") +
                " and orderNumber = ? - 1"
        )
        .run(currentField.orderNumber);

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

    database.close();

    clearOccupancyTypesCache();

    return result.changes > 0;
};

export const moveOccupancyTypeFieldUpToTop = (occupancyTypeFieldId: number | string): boolean => {
    const database = sqlite(databasePath);

    const currentField: { occupancyTypeId?: number; orderNumber: number } = database
        .prepare(
            "select occupancyTypeId, orderNumber" +
                " from OccupancyTypeFields" +
                " where occupancyTypeFieldId = ?"
        )
        .get(occupancyTypeFieldId);

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

        const occupancyTypeParameters = [];

        if (currentField.occupancyTypeId) {
            occupancyTypeParameters.push(currentField.occupancyTypeId);
        }

        occupancyTypeParameters.push(currentField.orderNumber);

        database
            .prepare(
                "update OccupancyTypeFields" +
                    " set orderNumber = orderNumber + 1" +
                    " where recordDelete_timeMillis is null" +
                    (currentField.occupancyTypeId
                        ? " and occupancyTypeId = ?"
                        : " and occupancyTypeId is null") +
                    " and orderNumber < ?"
            )
            .run(occupancyTypeParameters);
    }

    database.close();

    clearOccupancyTypesCache();

    return true;
};

export default moveOccupancyTypeFieldUp;