import {
    getLotOccupantTypes as getLotOccupantTypesFromDatabase
} from "./lotOccupancyDB/getLotOccupantTypes.js";

import {
    getLotStatuses as getLotStatusesFromDatabase
} from "./lotOccupancyDB/getLotStatuses.js";

import {
    getLotTypes as getLotTypesFromDatabase
} from "./lotOccupancyDB/getLotTypes.js";

import {
    getOccupancyTypes as getOccupancyTypesFromDatabase
} from "./lotOccupancyDB/getOccupancyTypes.js";

import {
    getWorkOrderTypes as getWorkOrderTypesFromDatabase
} from "./lotOccupancyDB/getWorkOrderTypes.js";

import {
    getOccupancyType
} from "./lotOccupancyDB/getOccupancyType.js";

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

/*
 * Lot Occupant Types
 */

let lotOccupantTypes: recordTypes.LotOccupantType[];

export function getLotOccupantTypes() {

    if (!lotOccupantTypes) {
        lotOccupantTypes = getLotOccupantTypesFromDatabase();
    }

    return lotOccupantTypes;
}

export function getLotOccupantTypeById(lotOccupantTypeId: number) {

    const cachedLotOccupantTypes = getLotOccupantTypes();

    return cachedLotOccupantTypes.find((currentLotOccupantType) => {
        return currentLotOccupantType.lotOccupantTypeId === lotOccupantTypeId;
    });
}

export function getLotOccupantTypesByLotOccupantType(lotOccupantType: string) {

    const cachedLotOccupantTypes = getLotOccupantTypes();

    const lotOccupantTypeLowerCase = lotOccupantType.toLowerCase();

    return cachedLotOccupantTypes.find((currentLotOccupantType) => {
        return currentLotOccupantType.lotOccupantType.toLowerCase() === lotOccupantTypeLowerCase;
    });
}

export function clearLotOccupantTypesCache() {
    lotOccupantTypes = undefined;
}


/*
 * Lot Statuses
 */

let lotStatuses: recordTypes.LotStatus[];

export function getLotStatuses() {

    if (!lotStatuses) {
        lotStatuses = getLotStatusesFromDatabase();
    }

    return lotStatuses;
}

export function getLotStatusById(lotStatusId: number) {

    const cachedLotStatuses = getLotStatuses();

    return cachedLotStatuses.find((currentLotStatus) => {
        return currentLotStatus.lotStatusId === lotStatusId;
    });
}

export function getLotStatusByLotStatus(lotStatus: string) {

    const cachedLotStatuses = getLotStatuses();

    const lotStatusLowerCase = lotStatus.toLowerCase();

    return cachedLotStatuses.find((currentLotStatus) => {
        return currentLotStatus.lotStatus.toLowerCase() === lotStatusLowerCase;
    });
}

export function clearLotStatusesCache() {
    lotStatuses = undefined;
}

/*
 * Lot Types
 */

let lotTypes: recordTypes.LotType[];

export function getLotTypes() {

    if (!lotTypes) {
        lotTypes = getLotTypesFromDatabase();
    }

    return lotTypes;
}

export function getLotTypeById(lotTypeId: number) {

    const cachedLotTypes = getLotTypes();

    return cachedLotTypes.find((currentLotType) => {
        return currentLotType.lotTypeId === lotTypeId;
    });
}

export function getLotTypesByLotType(lotType: string) {

    const cachedLotTypes = getLotTypes();

    const lotTypeLowerCase = lotType.toLowerCase();

    return cachedLotTypes.find((currentLotType) => {
        return currentLotType.lotType.toLowerCase() === lotTypeLowerCase;
    });
}

export function clearLotTypesCache() {
    lotTypes = undefined;
}

/*
 * Occupancy Types
 */

let occupancyTypes: recordTypes.OccupancyType[];
const occupancyTypeMap = new Map < number,
    recordTypes.OccupancyType > ();

export function getOccupancyTypes() {

    if (!occupancyTypes) {
        occupancyTypes = getOccupancyTypesFromDatabase();
    }

    return occupancyTypes;
}

export function getOccupancyTypeById(occupancyTypeId: number) {

    if (!occupancyTypeMap.has(occupancyTypeId)) {

        const occupancyType = getOccupancyType(occupancyTypeId);
        occupancyTypeMap.set(occupancyTypeId, occupancyType);
    }

    return occupancyTypeMap.get(occupancyTypeId);
}

export function getOccupancyTypeByOccupancyType(occupancyTypeString: string) {

    const cachedOccupancyTypes = getOccupancyTypes();

    const occupancyTypeLowerCase = occupancyTypeString.toLowerCase();

    let occupancyType = cachedOccupancyTypes.find((currentOccupancyType) => {
        return currentOccupancyType.occupancyType.toLowerCase() === occupancyTypeLowerCase;
    });

    // get object with related fields
    if (occupancyType) {
        occupancyType = getOccupancyTypeById(occupancyType.occupancyTypeId);
    }

    return occupancyType;
}

export function clearOccupancyTypesCache() {
    occupancyTypes = undefined;
    occupancyTypeMap.clear();
}

/*
 * Work Order Types
 */

let workOrderTypes: recordTypes.WorkOrderType[];

export function getWorkOrderTypes() {
    
    if (!workOrderTypes) {
        workOrderTypes = getWorkOrderTypesFromDatabase();
    }

    return workOrderTypes;
}

export function clearWorkOrderTypesCache() {
    workOrderTypes = undefined;
}