import sqlite from "better-sqlite3";

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

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

export const getOccupancyTypes = (): recordTypes.OccupancyType[] => {
    const database = sqlite(databasePath);

    const occupancyTypes: recordTypes.OccupancyType[] = database
        .prepare(
            "select occupancyTypeId, occupancyType, orderNumber" +
                " from OccupancyTypes" +
                " where recordDelete_timeMillis is null" +
                " order by orderNumber, occupancyType"
        )
        .all();

    let expectedTypeOrderNumber = -1;

    for (const occupancyType of occupancyTypes) {
        expectedTypeOrderNumber += 1;

        if (occupancyType.orderNumber !== expectedTypeOrderNumber) {
            database
                .prepare(
                    "update OccupancyTypes" +
                        " set orderNumber = ?" +
                        " where occupancyTypeId = ?"
                )
                .run(expectedTypeOrderNumber, occupancyType.occupancyTypeId);

            occupancyType.orderNumber = expectedTypeOrderNumber;
        }

        occupancyType.occupancyTypeFields = database
            .prepare(
                "select occupancyTypeFieldId," +
                    " occupancyTypeField, occupancyTypeFieldValues, isRequired, pattern," +
                    " minimumLength, maximumLength," +
                    " orderNumber" +
                    " from OccupancyTypeFields" +
                    " where recordDelete_timeMillis is null" +
                    " and occupancyTypeId = ?" +
                    " order by orderNumber, occupancyTypeField"
            )
            .all(occupancyType.occupancyTypeId);

        let expectedFieldOrderNumber = -1;

        for (const occupancyTypeField of occupancyType.occupancyTypeFields) {
            expectedFieldOrderNumber += 1;

            if (occupancyTypeField.orderNumber !== expectedFieldOrderNumber) {
                database
                    .prepare(
                        "update OccupancyTypeFields" +
                            " set orderNumber = ?" +
                            " where occupancyTypeFieldId = ?"
                    )
                    .run(
                        expectedFieldOrderNumber,
                        occupancyTypeField.occupancyTypeFieldId
                    );

                occupancyTypeField.orderNumber = expectedFieldOrderNumber;
            }
        }
    }

    database.close();

    return occupancyTypes;
};

export default getOccupancyTypes;