feat: add events for charging station status change
[e-mobility-charging-stations-simulator.git] / src / charging-station / ocpp / 1.6 / OCPP16ResponseService.ts
index 2b40ad4165556f510ec83d09628ea526ea29b8fa..e978b24fdfee0fcab7a0323383ec87f2f0e595ec 100644 (file)
 // Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
 
-import fs from 'fs';
-import path from 'path';
-import { fileURLToPath } from 'url';
-
 import type { JSONSchemaType } from 'ajv';
+import { secondsToMilliseconds } from 'date-fns';
 
 import { OCPP16ServiceUtils } from './OCPP16ServiceUtils';
-import OCPPError from '../../../exception/OCPPError';
-import type { JsonObject, JsonType } from '../../../types/JsonType';
-import { OCPP16ChargePointErrorCode } from '../../../types/ocpp/1.6/ChargePointErrorCode';
-import { OCPP16ChargePointStatus } from '../../../types/ocpp/1.6/ChargePointStatus';
-import { OCPP16StandardParametersKey } from '../../../types/ocpp/1.6/Configuration';
-import type {
-  OCPP16MeterValuesRequest,
-  OCPP16MeterValuesResponse,
-} from '../../../types/ocpp/1.6/MeterValues';
 import {
-  type OCPP16BootNotificationRequest,
-  OCPP16IncomingRequestCommand,
-  OCPP16RequestCommand,
-  type OCPP16StatusNotificationRequest,
-} from '../../../types/ocpp/1.6/Requests';
-import type {
-  ChangeAvailabilityResponse,
-  ChangeConfigurationResponse,
-  ClearChargingProfileResponse,
-  GetConfigurationResponse,
-  GetDiagnosticsResponse,
-  OCPP16BootNotificationResponse,
-  OCPP16DataTransferResponse,
-  OCPP16DiagnosticsStatusNotificationResponse,
-  OCPP16FirmwareStatusNotificationResponse,
-  OCPP16HeartbeatResponse,
-  OCPP16StatusNotificationResponse,
-  OCPP16TriggerMessageResponse,
-  OCPP16UpdateFirmwareResponse,
-  SetChargingProfileResponse,
-  UnlockConnectorResponse,
-} from '../../../types/ocpp/1.6/Responses';
+  type ChargingStation,
+  addConfigurationKey,
+  getConfigurationKey,
+  hasReservationExpired,
+  resetConnectorStatus,
+} from '../../../charging-station';
+import { OCPPError } from '../../../exception';
 import {
+  type ChangeConfigurationResponse,
+  ChargingStationEvents,
+  type ClearChargingProfileResponse,
+  ErrorType,
+  type GenericResponse,
+  type GetConfigurationResponse,
+  type GetDiagnosticsResponse,
+  type JsonType,
   OCPP16AuthorizationStatus,
   type OCPP16AuthorizeRequest,
   type OCPP16AuthorizeResponse,
+  type OCPP16BootNotificationResponse,
+  type OCPP16ChangeAvailabilityResponse,
+  OCPP16ChargePointStatus,
+  type OCPP16DataTransferResponse,
+  type OCPP16DiagnosticsStatusNotificationResponse,
+  type OCPP16FirmwareStatusNotificationResponse,
+  type OCPP16GetCompositeScheduleResponse,
+  type OCPP16HeartbeatResponse,
+  OCPP16IncomingRequestCommand,
+  type OCPP16MeterValuesRequest,
+  type OCPP16MeterValuesResponse,
+  OCPP16RequestCommand,
+  type OCPP16ReserveNowResponse,
+  OCPP16StandardParametersKey,
   type OCPP16StartTransactionRequest,
   type OCPP16StartTransactionResponse,
+  type OCPP16StatusNotificationResponse,
   type OCPP16StopTransactionRequest,
   type OCPP16StopTransactionResponse,
-} from '../../../types/ocpp/1.6/Transaction';
-import { ErrorType } from '../../../types/ocpp/ErrorType';
-import { OCPPVersion } from '../../../types/ocpp/OCPPVersion';
-import {
-  type GenericResponse,
+  type OCPP16TriggerMessageResponse,
+  type OCPP16UpdateFirmwareResponse,
+  OCPPVersion,
   RegistrationStatusEnumType,
+  ReservationTerminationReason,
   type ResponseHandler,
-} from '../../../types/ocpp/Responses';
-import Constants from '../../../utils/Constants';
-import logger from '../../../utils/Logger';
-import Utils from '../../../utils/Utils';
-import type ChargingStation from '../../ChargingStation';
-import { ChargingStationConfigurationUtils } from '../../ChargingStationConfigurationUtils';
-import OCPPResponseService from '../OCPPResponseService';
+  type SetChargingProfileResponse,
+  type UnlockConnectorResponse,
+} from '../../../types';
+import { Constants, convertToInt, isNullOrUndefined, logger } from '../../../utils';
+import { OCPPResponseService } from '../OCPPResponseService';
 
 const moduleName = 'OCPP16ResponseService';
 
-export default class OCPP16ResponseService extends OCPPResponseService {
+export class OCPP16ResponseService extends OCPPResponseService {
   public jsonIncomingRequestResponseSchemas: Map<
     OCPP16IncomingRequestCommand,
-    JSONSchemaType<JsonObject>
+    JSONSchemaType<JsonType>
   >;
 
   private responseHandlers: Map<OCPP16RequestCommand, ResponseHandler>;
-  private jsonSchemas: Map<OCPP16RequestCommand, JSONSchemaType<JsonObject>>;
+  private jsonSchemas: Map<OCPP16RequestCommand, JSONSchemaType<JsonType>>;
 
   public constructor() {
-    if (new.target?.name === moduleName) {
-      throw new TypeError(`Cannot construct ${new.target?.name} instances directly`);
-    }
+    // if (new.target?.name === moduleName) {
+    //   throw new TypeError(`Cannot construct ${new.target?.name} instances directly`);
+    // }
     super(OCPPVersion.VERSION_16);
     this.responseHandlers = new Map<OCPP16RequestCommand, ResponseHandler>([
-      [OCPP16RequestCommand.BOOT_NOTIFICATION, this.handleResponseBootNotification.bind(this)],
-      [OCPP16RequestCommand.HEARTBEAT, this.emptyResponseHandler.bind(this)],
-      [OCPP16RequestCommand.AUTHORIZE, this.handleResponseAuthorize.bind(this)],
-      [OCPP16RequestCommand.START_TRANSACTION, this.handleResponseStartTransaction.bind(this)],
-      [OCPP16RequestCommand.STOP_TRANSACTION, this.handleResponseStopTransaction.bind(this)],
-      [OCPP16RequestCommand.STATUS_NOTIFICATION, this.emptyResponseHandler.bind(this)],
-      [OCPP16RequestCommand.METER_VALUES, this.emptyResponseHandler.bind(this)],
-      [OCPP16RequestCommand.DIAGNOSTICS_STATUS_NOTIFICATION, this.emptyResponseHandler.bind(this)],
-      [OCPP16RequestCommand.DATA_TRANSFER, this.emptyResponseHandler.bind(this)],
-      [OCPP16RequestCommand.FIRMWARE_STATUS_NOTIFICATION, this.emptyResponseHandler.bind(this)],
+      [
+        OCPP16RequestCommand.BOOT_NOTIFICATION,
+        this.handleResponseBootNotification.bind(this) as ResponseHandler,
+      ],
+      [OCPP16RequestCommand.HEARTBEAT, this.emptyResponseHandler.bind(this) as ResponseHandler],
+      [OCPP16RequestCommand.AUTHORIZE, this.handleResponseAuthorize.bind(this) as ResponseHandler],
+      [
+        OCPP16RequestCommand.START_TRANSACTION,
+        this.handleResponseStartTransaction.bind(this) as ResponseHandler,
+      ],
+      [
+        OCPP16RequestCommand.STOP_TRANSACTION,
+        this.handleResponseStopTransaction.bind(this) as ResponseHandler,
+      ],
+      [
+        OCPP16RequestCommand.STATUS_NOTIFICATION,
+        this.emptyResponseHandler.bind(this) as ResponseHandler,
+      ],
+      [OCPP16RequestCommand.METER_VALUES, this.emptyResponseHandler.bind(this) as ResponseHandler],
+      [
+        OCPP16RequestCommand.DIAGNOSTICS_STATUS_NOTIFICATION,
+        this.emptyResponseHandler.bind(this) as ResponseHandler,
+      ],
+      [OCPP16RequestCommand.DATA_TRANSFER, this.emptyResponseHandler.bind(this) as ResponseHandler],
+      [
+        OCPP16RequestCommand.FIRMWARE_STATUS_NOTIFICATION,
+        this.emptyResponseHandler.bind(this) as ResponseHandler,
+      ],
     ]);
-    this.jsonSchemas = new Map<OCPP16RequestCommand, JSONSchemaType<JsonObject>>([
+    this.jsonSchemas = new Map<OCPP16RequestCommand, JSONSchemaType<JsonType>>([
       [
         OCPP16RequestCommand.BOOT_NOTIFICATION,
-        this.parseJsonSchemaFile<OCPP16BootNotificationResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/BootNotificationResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16BootNotificationResponse>(
+          'assets/json-schemas/ocpp/1.6/BootNotificationResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16RequestCommand.HEARTBEAT,
-        this.parseJsonSchemaFile<OCPP16HeartbeatResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/HeartbeatResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16HeartbeatResponse>(
+          'assets/json-schemas/ocpp/1.6/HeartbeatResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16RequestCommand.AUTHORIZE,
-        this.parseJsonSchemaFile<OCPP16AuthorizeResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/AuthorizeResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16AuthorizeResponse>(
+          'assets/json-schemas/ocpp/1.6/AuthorizeResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16RequestCommand.START_TRANSACTION,
-        this.parseJsonSchemaFile<OCPP16StartTransactionResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/StartTransactionResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16StartTransactionResponse>(
+          'assets/json-schemas/ocpp/1.6/StartTransactionResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16RequestCommand.STOP_TRANSACTION,
-        this.parseJsonSchemaFile<OCPP16StopTransactionResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/StopTransactionResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16StopTransactionResponse>(
+          'assets/json-schemas/ocpp/1.6/StopTransactionResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16RequestCommand.STATUS_NOTIFICATION,
-        this.parseJsonSchemaFile<OCPP16StatusNotificationResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/StatusNotificationResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16StatusNotificationResponse>(
+          'assets/json-schemas/ocpp/1.6/StatusNotificationResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16RequestCommand.METER_VALUES,
-        this.parseJsonSchemaFile<OCPP16MeterValuesResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/MeterValuesResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16MeterValuesResponse>(
+          'assets/json-schemas/ocpp/1.6/MeterValuesResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16RequestCommand.DIAGNOSTICS_STATUS_NOTIFICATION,
-        this.parseJsonSchemaFile<OCPP16DiagnosticsStatusNotificationResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/DiagnosticsStatusNotificationResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16DiagnosticsStatusNotificationResponse>(
+          'assets/json-schemas/ocpp/1.6/DiagnosticsStatusNotificationResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16RequestCommand.DATA_TRANSFER,
-        this.parseJsonSchemaFile<OCPP16DataTransferResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/DataTransferResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16DataTransferResponse>(
+          'assets/json-schemas/ocpp/1.6/DataTransferResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16RequestCommand.FIRMWARE_STATUS_NOTIFICATION,
-        this.parseJsonSchemaFile<OCPP16FirmwareStatusNotificationResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/FirmwareStatusNotificationResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16FirmwareStatusNotificationResponse>(
+          'assets/json-schemas/ocpp/1.6/FirmwareStatusNotificationResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
     ]);
     this.jsonIncomingRequestResponseSchemas = new Map([
       [
         OCPP16IncomingRequestCommand.RESET,
-        this.parseJsonSchemaFile<GenericResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/ResetResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>(
+          'assets/json-schemas/ocpp/1.6/ResetResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16IncomingRequestCommand.CLEAR_CACHE,
-        this.parseJsonSchemaFile<GenericResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/ClearCacheResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>(
+          'assets/json-schemas/ocpp/1.6/ClearCacheResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16IncomingRequestCommand.CHANGE_AVAILABILITY,
-        this.parseJsonSchemaFile<ChangeAvailabilityResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/ChangeAvailabilityResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16ChangeAvailabilityResponse>(
+          'assets/json-schemas/ocpp/1.6/ChangeAvailabilityResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16IncomingRequestCommand.UNLOCK_CONNECTOR,
-        this.parseJsonSchemaFile<UnlockConnectorResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/UnlockConnectorResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<UnlockConnectorResponse>(
+          'assets/json-schemas/ocpp/1.6/UnlockConnectorResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16IncomingRequestCommand.GET_CONFIGURATION,
-        this.parseJsonSchemaFile<GetConfigurationResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/GetConfigurationResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<GetConfigurationResponse>(
+          'assets/json-schemas/ocpp/1.6/GetConfigurationResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16IncomingRequestCommand.CHANGE_CONFIGURATION,
-        this.parseJsonSchemaFile<ChangeConfigurationResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/ChangeConfigurationResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<ChangeConfigurationResponse>(
+          'assets/json-schemas/ocpp/1.6/ChangeConfigurationResponse.json',
+          moduleName,
+          'constructor',
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.GET_COMPOSITE_SCHEDULE,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16GetCompositeScheduleResponse>(
+          'assets/json-schemas/ocpp/1.6/GetCompositeScheduleResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16IncomingRequestCommand.SET_CHARGING_PROFILE,
-        this.parseJsonSchemaFile<SetChargingProfileResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/SetChargingProfileResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<SetChargingProfileResponse>(
+          'assets/json-schemas/ocpp/1.6/SetChargingProfileResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16IncomingRequestCommand.CLEAR_CHARGING_PROFILE,
-        this.parseJsonSchemaFile<ClearChargingProfileResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/ClearChargingProfileResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<ClearChargingProfileResponse>(
+          'assets/json-schemas/ocpp/1.6/ClearChargingProfileResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16IncomingRequestCommand.REMOTE_START_TRANSACTION,
-        this.parseJsonSchemaFile<GenericResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/RemoteStartTransactionResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>(
+          'assets/json-schemas/ocpp/1.6/RemoteStartTransactionResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16IncomingRequestCommand.REMOTE_STOP_TRANSACTION,
-        this.parseJsonSchemaFile<GenericResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/RemoteStopTransactionResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>(
+          'assets/json-schemas/ocpp/1.6/RemoteStopTransactionResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16IncomingRequestCommand.GET_DIAGNOSTICS,
-        this.parseJsonSchemaFile<GetDiagnosticsResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/GetDiagnosticsResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<GetDiagnosticsResponse>(
+          'assets/json-schemas/ocpp/1.6/GetDiagnosticsResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16IncomingRequestCommand.TRIGGER_MESSAGE,
-        this.parseJsonSchemaFile<OCPP16TriggerMessageResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/TriggerMessageResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16TriggerMessageResponse>(
+          'assets/json-schemas/ocpp/1.6/TriggerMessageResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16IncomingRequestCommand.DATA_TRANSFER,
-        this.parseJsonSchemaFile<OCPP16DataTransferResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/DataTransferResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16DataTransferResponse>(
+          'assets/json-schemas/ocpp/1.6/DataTransferResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
       [
         OCPP16IncomingRequestCommand.UPDATE_FIRMWARE,
-        this.parseJsonSchemaFile<OCPP16UpdateFirmwareResponse>(
-          '../../../assets/json-schemas/ocpp/1.6/UpdateFirmwareResponse.json'
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16UpdateFirmwareResponse>(
+          'assets/json-schemas/ocpp/1.6/UpdateFirmwareResponse.json',
+          moduleName,
+          'constructor',
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.RESERVE_NOW,
+        OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16ReserveNowResponse>(
+          'assets/json-schemas/ocpp/1.6/ReserveNowResponse.json',
+          moduleName,
+          'constructor',
+        ),
+      ],
+      [
+        OCPP16IncomingRequestCommand.CANCEL_RESERVATION,
+        OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>(
+          'assets/json-schemas/ocpp/1.6/CancelReservationResponse.json',
+          moduleName,
+          'constructor',
         ),
       ],
     ]);
-    this.validatePayload.bind(this);
+    this.validatePayload = this.validatePayload.bind(this) as (
+      chargingStation: ChargingStation,
+      commandName: OCPP16RequestCommand,
+      payload: JsonType,
+    ) => boolean;
   }
 
-  public async responseHandler(
+  public async responseHandler<ReqType extends JsonType, ResType extends JsonType>(
     chargingStation: ChargingStation,
     commandName: OCPP16RequestCommand,
-    payload: JsonType,
-    requestPayload: JsonType
+    payload: ResType,
+    requestPayload: ReqType,
   ): Promise<void> {
     if (
       chargingStation.isRegistered() === true ||
@@ -257,11 +344,11 @@ export default class OCPP16ResponseService extends OCPPResponseService {
       ) {
         try {
           this.validatePayload(chargingStation, commandName, payload);
-          await this.responseHandlers.get(commandName)(chargingStation, payload, requestPayload);
+          await this.responseHandlers.get(commandName)!(chargingStation, payload, requestPayload);
         } catch (error) {
           logger.error(
             `${chargingStation.logPrefix()} ${moduleName}.responseHandler: Handle response error:`,
-            error
+            error,
           );
           throw error;
         }
@@ -271,11 +358,11 @@ export default class OCPP16ResponseService extends OCPPResponseService {
           ErrorType.NOT_IMPLEMENTED,
           `${commandName} is not implemented to handle response PDU ${JSON.stringify(
             payload,
-            null,
-            2
+            undefined,
+            2,
           )}`,
           commandName,
-          payload
+          payload,
         );
       }
     } else {
@@ -283,11 +370,11 @@ export default class OCPP16ResponseService extends OCPPResponseService {
         ErrorType.SECURITY_ERROR,
         `${commandName} cannot be issued to handle response PDU ${JSON.stringify(
           payload,
-          null,
-          2
+          undefined,
+          2,
         )} while the charging station is not registered on the central server.`,
         commandName,
-        payload
+        payload,
       );
     }
   }
@@ -295,44 +382,42 @@ export default class OCPP16ResponseService extends OCPPResponseService {
   private validatePayload(
     chargingStation: ChargingStation,
     commandName: OCPP16RequestCommand,
-    payload: JsonType
+    payload: JsonType,
   ): boolean {
     if (this.jsonSchemas.has(commandName) === true) {
       return this.validateResponsePayload(
         chargingStation,
         commandName,
-        this.jsonSchemas.get(commandName),
-        payload
+        this.jsonSchemas.get(commandName)!,
+        payload,
       );
     }
     logger.warn(
-      `${chargingStation.logPrefix()} ${moduleName}.validatePayload: No JSON schema found for command '${commandName}' PDU validation`
+      `${chargingStation.logPrefix()} ${moduleName}.validatePayload: No JSON schema found for command '${commandName}' PDU validation`,
     );
     return false;
   }
 
   private handleResponseBootNotification(
     chargingStation: ChargingStation,
-    payload: OCPP16BootNotificationResponse
+    payload: OCPP16BootNotificationResponse,
   ): void {
     if (payload.status === RegistrationStatusEnumType.ACCEPTED) {
-      ChargingStationConfigurationUtils.addConfigurationKey(
+      addConfigurationKey(
         chargingStation,
         OCPP16StandardParametersKey.HeartbeatInterval,
         payload.interval.toString(),
         {},
-        { overwrite: true, save: true }
+        { overwrite: true, save: true },
       );
-      ChargingStationConfigurationUtils.addConfigurationKey(
+      addConfigurationKey(
         chargingStation,
         OCPP16StandardParametersKey.HeartBeatInterval,
         payload.interval.toString(),
         { visible: false },
-        { overwrite: true, save: true }
+        { overwrite: true, save: true },
       );
-      chargingStation.heartbeatSetInterval
-        ? chargingStation.restartHeartbeat()
-        : chargingStation.startHeartbeat();
+      OCPP16ServiceUtils.startHeartbeatInterval(chargingStation, payload.interval);
     }
     if (Object.values(RegistrationStatusEnumType).includes(payload.status)) {
       const logMsg = `${chargingStation.logPrefix()} Charging station in '${
@@ -344,7 +429,7 @@ export default class OCPP16ResponseService extends OCPPResponseService {
     } else {
       logger.error(
         `${chargingStation.logPrefix()} Charging station boot notification response received: %j with undefined registration status`,
-        payload
+        payload,
       );
     }
   }
@@ -352,36 +437,52 @@ export default class OCPP16ResponseService extends OCPPResponseService {
   private handleResponseAuthorize(
     chargingStation: ChargingStation,
     payload: OCPP16AuthorizeResponse,
-    requestPayload: OCPP16AuthorizeRequest
+    requestPayload: OCPP16AuthorizeRequest,
   ): void {
-    let authorizeConnectorId: number;
-    for (const connectorId of chargingStation.connectors.keys()) {
-      if (
-        connectorId > 0 &&
-        chargingStation.getConnectorStatus(connectorId)?.authorizeIdTag === requestPayload.idTag
-      ) {
-        authorizeConnectorId = connectorId;
-        break;
+    let authorizeConnectorId: number | undefined;
+    if (chargingStation.hasEvses) {
+      for (const [evseId, evseStatus] of chargingStation.evses) {
+        if (evseId > 0) {
+          for (const [connectorId, connectorStatus] of evseStatus.connectors) {
+            if (connectorStatus?.authorizeIdTag === requestPayload.idTag) {
+              authorizeConnectorId = connectorId;
+              break;
+            }
+          }
+        }
+      }
+    } else {
+      for (const connectorId of chargingStation.connectors.keys()) {
+        if (
+          connectorId > 0 &&
+          chargingStation.getConnectorStatus(connectorId)?.authorizeIdTag === requestPayload.idTag
+        ) {
+          authorizeConnectorId = connectorId;
+          break;
+        }
       }
     }
-    const authorizeConnectorIdDefined = authorizeConnectorId !== undefined;
+    const authorizeConnectorStatus = chargingStation.getConnectorStatus(authorizeConnectorId!);
+    const authorizeConnectorIdDefined = !isNullOrUndefined(authorizeConnectorId);
     if (payload.idTagInfo.status === OCPP16AuthorizationStatus.ACCEPTED) {
-      authorizeConnectorIdDefined &&
-        (chargingStation.getConnectorStatus(authorizeConnectorId).idTagAuthorized = true);
+      if (authorizeConnectorIdDefined) {
+        // authorizeConnectorStatus!.authorizeIdTag = requestPayload.idTag;
+        authorizeConnectorStatus!.idTagAuthorized = true;
+      }
       logger.debug(
-        `${chargingStation.logPrefix()} IdTag '${requestPayload.idTag}' accepted${
-          authorizeConnectorIdDefined ? ` on connector ${authorizeConnectorId}` : ''
-        }`
+        `${chargingStation.logPrefix()} idTag '${requestPayload.idTag}' accepted${
+          authorizeConnectorIdDefined ? ` on connector id ${authorizeConnectorId}` : ''
+        }`,
       );
     } else {
       if (authorizeConnectorIdDefined) {
-        chargingStation.getConnectorStatus(authorizeConnectorId).idTagAuthorized = false;
-        delete chargingStation.getConnectorStatus(authorizeConnectorId).authorizeIdTag;
+        authorizeConnectorStatus!.idTagAuthorized = false;
+        delete authorizeConnectorStatus?.authorizeIdTag;
       }
       logger.debug(
-        `${chargingStation.logPrefix()} IdTag '${requestPayload.idTag}' rejected with status '${
+        `${chargingStation.logPrefix()} idTag '${requestPayload.idTag}' rejected with status '${
           payload.idTagInfo.status
-        }'${authorizeConnectorIdDefined ? ` on connector ${authorizeConnectorId}` : ''}`
+        }'${authorizeConnectorIdDefined ? ` on connector id ${authorizeConnectorId}` : ''}`,
       );
     }
   }
@@ -389,122 +490,145 @@ export default class OCPP16ResponseService extends OCPPResponseService {
   private async handleResponseStartTransaction(
     chargingStation: ChargingStation,
     payload: OCPP16StartTransactionResponse,
-    requestPayload: OCPP16StartTransactionRequest
+    requestPayload: OCPP16StartTransactionRequest,
   ): Promise<void> {
-    const connectorId = requestPayload.connectorId;
-
-    let transactionConnectorId: number;
-    for (const id of chargingStation.connectors.keys()) {
-      if (id > 0 && id === connectorId) {
-        transactionConnectorId = id;
-        break;
-      }
-    }
-    if (Utils.isNullOrUndefined(transactionConnectorId)) {
+    const { connectorId } = requestPayload;
+    if (connectorId === 0 || chargingStation.hasConnector(connectorId) === false) {
       logger.error(
-        `${chargingStation.logPrefix()} Trying to start a transaction on a non existing connector Id ${connectorId.toString()}`
+        `${chargingStation.logPrefix()} Trying to start a transaction on a non existing connector id ${connectorId}`,
       );
       return;
     }
+    const connectorStatus = chargingStation.getConnectorStatus(connectorId);
     if (
-      chargingStation.getConnectorStatus(connectorId)?.transactionRemoteStarted === true &&
+      connectorStatus?.transactionRemoteStarted === true &&
       chargingStation.getAuthorizeRemoteTxRequests() === true &&
       chargingStation.getLocalAuthListEnabled() === true &&
-      chargingStation.hasAuthorizedTags() &&
-      chargingStation.getConnectorStatus(connectorId)?.idTagLocalAuthorized === false
+      chargingStation.hasIdTags() === true &&
+      connectorStatus?.idTagLocalAuthorized === false
     ) {
       logger.error(
-        `${chargingStation.logPrefix()} Trying to start a transaction with a not local authorized idTag ${
-          chargingStation.getConnectorStatus(connectorId)?.localAuthorizeIdTag
-        } on connector Id ${connectorId.toString()}`
+        `${chargingStation.logPrefix()} Trying to start a transaction with a not local authorized idTag ${connectorStatus?.localAuthorizeIdTag} on connector id ${connectorId}`,
       );
       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
       return;
     }
     if (
-      chargingStation.getConnectorStatus(connectorId)?.transactionRemoteStarted === true &&
+      connectorStatus?.transactionRemoteStarted === true &&
       chargingStation.getAuthorizeRemoteTxRequests() === true &&
-      chargingStation.getMustAuthorizeAtRemoteStart() === true &&
-      chargingStation.getConnectorStatus(connectorId)?.idTagLocalAuthorized === false &&
-      chargingStation.getConnectorStatus(connectorId)?.idTagAuthorized === false
+      chargingStation.getRemoteAuthorization() === true &&
+      connectorStatus?.idTagLocalAuthorized === false &&
+      connectorStatus?.idTagAuthorized === false
     ) {
       logger.error(
-        `${chargingStation.logPrefix()} Trying to start a transaction with a not authorized idTag ${
-          chargingStation.getConnectorStatus(connectorId)?.authorizeIdTag
-        } on connector Id ${connectorId.toString()}`
+        `${chargingStation.logPrefix()} Trying to start a transaction with a not authorized idTag ${connectorStatus?.authorizeIdTag} on connector id ${connectorId}`,
       );
       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
       return;
     }
     if (
-      chargingStation.getConnectorStatus(connectorId)?.idTagAuthorized &&
-      chargingStation.getConnectorStatus(connectorId)?.authorizeIdTag !== requestPayload.idTag
+      connectorStatus?.idTagAuthorized &&
+      connectorStatus?.authorizeIdTag !== requestPayload.idTag
     ) {
       logger.error(
         `${chargingStation.logPrefix()} Trying to start a transaction with an idTag ${
           requestPayload.idTag
-        } different from the authorize request one ${
-          chargingStation.getConnectorStatus(connectorId)?.authorizeIdTag
-        } on connector Id ${connectorId.toString()}`
+        } different from the authorize request one ${connectorStatus?.authorizeIdTag} on connector id ${connectorId}`,
       );
       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
       return;
     }
     if (
-      chargingStation.getConnectorStatus(connectorId)?.idTagLocalAuthorized &&
-      chargingStation.getConnectorStatus(connectorId)?.localAuthorizeIdTag !== requestPayload.idTag
+      connectorStatus?.idTagLocalAuthorized &&
+      connectorStatus?.localAuthorizeIdTag !== requestPayload.idTag
     ) {
       logger.error(
         `${chargingStation.logPrefix()} Trying to start a transaction with an idTag ${
           requestPayload.idTag
-        } different from the local authorized one ${
-          chargingStation.getConnectorStatus(connectorId)?.localAuthorizeIdTag
-        } on connector Id ${connectorId.toString()}`
+        } different from the local authorized one ${connectorStatus?.localAuthorizeIdTag} on connector id ${connectorId}`,
       );
       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
       return;
     }
-    if (chargingStation.getConnectorStatus(connectorId)?.transactionStarted === true) {
-      logger.debug(
-        `${chargingStation.logPrefix()} Trying to start a transaction on an already used connector ${connectorId.toString()}: %j`,
-        chargingStation.getConnectorStatus(connectorId)
+    if (connectorStatus?.transactionStarted === true) {
+      logger.error(
+        `${chargingStation.logPrefix()} Trying to start a transaction on an already used connector id ${connectorId} by idTag ${connectorStatus?.transactionIdTag}`,
       );
       return;
     }
+    if (chargingStation.hasEvses) {
+      for (const [evseId, evseStatus] of chargingStation.evses) {
+        if (evseStatus.connectors.size > 1) {
+          for (const [id, status] of evseStatus.connectors) {
+            if (id !== connectorId && status?.transactionStarted === true) {
+              logger.error(
+                `${chargingStation.logPrefix()} Trying to start a transaction on an already used evse id ${evseId} by connector id ${id} with idTag ${status?.transactionIdTag}`,
+              );
+              await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
+              return;
+            }
+          }
+        }
+      }
+    }
     if (
-      chargingStation.getConnectorStatus(connectorId)?.status !==
-        OCPP16ChargePointStatus.AVAILABLE &&
-      chargingStation.getConnectorStatus(connectorId)?.status !== OCPP16ChargePointStatus.PREPARING
+      connectorStatus?.status !== OCPP16ChargePointStatus.Available &&
+      connectorStatus?.status !== OCPP16ChargePointStatus.Preparing
     ) {
       logger.error(
-        `${chargingStation.logPrefix()} Trying to start a transaction on connector ${connectorId.toString()} with status ${
-          chargingStation.getConnectorStatus(connectorId)?.status
-        }`
+        `${chargingStation.logPrefix()} Trying to start a transaction on connector id ${connectorId} with status ${connectorStatus?.status}`,
       );
       return;
     }
-    // if (!Number.isInteger(payload.transactionId)) {
-    //   logger.warn(
-    //     `${chargingStation.logPrefix()} Trying to start a transaction on connector ${connectorId.toString()} with a non integer transaction Id ${
-    //       payload.transactionId
-    //     }, converting to integer`
-    //   );
-    //   payload.transactionId = Utils.convertToInt(payload.transactionId);
-    // }
+    if (!Number.isSafeInteger(payload.transactionId)) {
+      logger.warn(
+        `${chargingStation.logPrefix()} Trying to start a transaction on connector id ${connectorId} with a non integer transaction id ${
+          payload.transactionId
+        }, converting to integer`,
+      );
+      payload.transactionId = convertToInt(payload.transactionId);
+    }
 
     if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
-      chargingStation.getConnectorStatus(connectorId).transactionStarted = true;
-      chargingStation.getConnectorStatus(connectorId).transactionId = payload.transactionId;
-      chargingStation.getConnectorStatus(connectorId).transactionIdTag = requestPayload.idTag;
-      chargingStation.getConnectorStatus(
-        connectorId
-      ).transactionEnergyActiveImportRegisterValue = 0;
-      chargingStation.getConnectorStatus(connectorId).transactionBeginMeterValue =
+      connectorStatus.transactionStarted = true;
+      connectorStatus.transactionStart = requestPayload.timestamp;
+      connectorStatus.transactionId = payload.transactionId;
+      connectorStatus.transactionIdTag = requestPayload.idTag;
+      connectorStatus.transactionEnergyActiveImportRegisterValue = 0;
+      connectorStatus.transactionBeginMeterValue =
         OCPP16ServiceUtils.buildTransactionBeginMeterValue(
           chargingStation,
           connectorId,
-          requestPayload.meterStart
+          requestPayload.meterStart,
         );
+      if (requestPayload.reservationId) {
+        const reservation = chargingStation.getReservationBy(
+          'reservationId',
+          requestPayload.reservationId,
+        )!;
+        if (reservation.idTag !== requestPayload.idTag) {
+          logger.warn(
+            `${chargingStation.logPrefix()} Reserved transaction ${
+              payload.transactionId
+            } started with a different idTag ${requestPayload.idTag} than the reservation one ${
+              reservation.idTag
+            }`,
+          );
+        }
+        if (hasReservationExpired(reservation)) {
+          logger.warn(
+            `${chargingStation.logPrefix()} Reserved transaction ${
+              payload.transactionId
+            } started with expired reservation ${
+              requestPayload.reservationId
+            } (expiry date: ${reservation.expiryDate.toISOString()}))`,
+          );
+        }
+        await chargingStation.removeReservation(
+          reservation,
+          ReservationTerminationReason.TRANSACTION_STARTED,
+        );
+      }
       chargingStation.getBeginEndMeterValues() &&
         (await chargingStation.ocppRequestService.requestHandler<
           OCPP16MeterValuesRequest,
@@ -512,41 +636,44 @@ export default class OCPP16ResponseService extends OCPPResponseService {
         >(chargingStation, OCPP16RequestCommand.METER_VALUES, {
           connectorId,
           transactionId: payload.transactionId,
-          meterValue: [chargingStation.getConnectorStatus(connectorId).transactionBeginMeterValue],
-        }));
-      await chargingStation.ocppRequestService.requestHandler<
-        OCPP16StatusNotificationRequest,
-        OCPP16StatusNotificationResponse
-      >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
+          meterValue: [connectorStatus.transactionBeginMeterValue],
+        } as OCPP16MeterValuesRequest));
+      await OCPP16ServiceUtils.sendAndSetConnectorStatus(
+        chargingStation,
         connectorId,
-        status: OCPP16ChargePointStatus.CHARGING,
-        errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
-      });
-      chargingStation.getConnectorStatus(connectorId).status = OCPP16ChargePointStatus.CHARGING;
+        OCPP16ChargePointStatus.Charging,
+      );
       logger.info(
-        `${chargingStation.logPrefix()} Transaction ${payload.transactionId.toString()} STARTED on ${
+        `${chargingStation.logPrefix()} Transaction with id ${payload.transactionId} STARTED on ${
           chargingStation.stationInfo.chargingStationId
-        }#${connectorId.toString()} for idTag '${requestPayload.idTag}'`
+        }#${connectorId} for idTag '${requestPayload.idTag}'`,
       );
       if (chargingStation.stationInfo.powerSharedByConnectors) {
-        chargingStation.powerDivider++;
+        ++chargingStation.powerDivider;
       }
-      const configuredMeterValueSampleInterval =
-        ChargingStationConfigurationUtils.getConfigurationKey(
-          chargingStation,
-          OCPP16StandardParametersKey.MeterValueSampleInterval
-        );
+      const configuredMeterValueSampleInterval = getConfigurationKey(
+        chargingStation,
+        OCPP16StandardParametersKey.MeterValueSampleInterval,
+      );
       chargingStation.startMeterValues(
         connectorId,
         configuredMeterValueSampleInterval
-          ? Utils.convertToInt(configuredMeterValueSampleInterval.value) * 1000
-          : Constants.DEFAULT_METER_VALUES_INTERVAL
+          ? secondsToMilliseconds(convertToInt(configuredMeterValueSampleInterval.value))
+          : Constants.DEFAULT_METER_VALUES_INTERVAL,
       );
     } else {
       logger.warn(
-        `${chargingStation.logPrefix()} Starting transaction id ${payload.transactionId.toString()} REJECTED with status '${
-          payload.idTagInfo?.status
-        }', idTag '${requestPayload.idTag}'`
+        `${chargingStation.logPrefix()} Starting transaction with id ${
+          payload.transactionId
+        } REJECTED on ${
+          chargingStation.stationInfo.chargingStationId
+        }#${connectorId} with status '${payload.idTagInfo?.status}', idTag '${
+          requestPayload.idTag
+        }'${
+          OCPP16ServiceUtils.hasReservation(chargingStation, connectorId, requestPayload.idTag)
+            ? `, reservationId '${requestPayload.reservationId}'`
+            : ''
+        }`,
       );
       await this.resetConnectorOnStartTransactionError(chargingStation, connectorId);
     }
@@ -554,35 +681,34 @@ export default class OCPP16ResponseService extends OCPPResponseService {
 
   private async resetConnectorOnStartTransactionError(
     chargingStation: ChargingStation,
-    connectorId: number
+    connectorId: number,
   ): Promise<void> {
-    chargingStation.resetConnectorStatus(connectorId);
-    if (
-      chargingStation.getConnectorStatus(connectorId)?.status !== OCPP16ChargePointStatus.AVAILABLE
-    ) {
-      await chargingStation.ocppRequestService.requestHandler<
-        OCPP16StatusNotificationRequest,
-        OCPP16StatusNotificationResponse
-      >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
+    const connectorStatus = chargingStation.getConnectorStatus(connectorId);
+    resetConnectorStatus(connectorStatus!);
+    chargingStation.stopMeterValues(connectorId);
+    if (connectorStatus?.status !== OCPP16ChargePointStatus.Available) {
+      await OCPP16ServiceUtils.sendAndSetConnectorStatus(
+        chargingStation,
         connectorId,
-        status: OCPP16ChargePointStatus.AVAILABLE,
-        errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
-      });
-      chargingStation.getConnectorStatus(connectorId).status = OCPP16ChargePointStatus.AVAILABLE;
+        OCPP16ChargePointStatus.Available,
+      );
     }
+    chargingStation.emit(ChargingStationEvents.updated);
   }
 
   private async handleResponseStopTransaction(
     chargingStation: ChargingStation,
     payload: OCPP16StopTransactionResponse,
-    requestPayload: OCPP16StopTransactionRequest
+    requestPayload: OCPP16StopTransactionRequest,
   ): Promise<void> {
     const transactionConnectorId = chargingStation.getConnectorIdByTransactionId(
-      requestPayload.transactionId
+      requestPayload.transactionId,
     );
-    if (!transactionConnectorId) {
+    if (isNullOrUndefined(transactionConnectorId)) {
       logger.error(
-        `${chargingStation.logPrefix()} Trying to stop a non existing transaction ${requestPayload.transactionId.toString()}`
+        `${chargingStation.logPrefix()} Trying to stop a non existing transaction with id ${
+          requestPayload.transactionId
+        }`,
       );
       return;
     }
@@ -598,48 +724,40 @@ export default class OCPP16ResponseService extends OCPPResponseService {
         meterValue: [
           OCPP16ServiceUtils.buildTransactionEndMeterValue(
             chargingStation,
-            transactionConnectorId,
-            requestPayload.meterStop
+            transactionConnectorId!,
+            requestPayload.meterStop,
           ),
         ],
       }));
     if (
       chargingStation.isChargingStationAvailable() === false ||
-      chargingStation.isConnectorAvailable(transactionConnectorId) === false
+      chargingStation.isConnectorAvailable(transactionConnectorId!) === false
     ) {
-      await chargingStation.ocppRequestService.requestHandler<
-        OCPP16StatusNotificationRequest,
-        OCPP16StatusNotificationResponse
-      >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
-        connectorId: transactionConnectorId,
-        status: OCPP16ChargePointStatus.UNAVAILABLE,
-        errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
-      });
-      chargingStation.getConnectorStatus(transactionConnectorId).status =
-        OCPP16ChargePointStatus.UNAVAILABLE;
+      await OCPP16ServiceUtils.sendAndSetConnectorStatus(
+        chargingStation,
+        transactionConnectorId!,
+        OCPP16ChargePointStatus.Unavailable,
+      );
     } else {
-      await chargingStation.ocppRequestService.requestHandler<
-        OCPP16BootNotificationRequest,
-        OCPP16BootNotificationResponse
-      >(chargingStation, OCPP16RequestCommand.STATUS_NOTIFICATION, {
-        connectorId: transactionConnectorId,
-        status: OCPP16ChargePointStatus.AVAILABLE,
-        errorCode: OCPP16ChargePointErrorCode.NO_ERROR,
-      });
-      chargingStation.getConnectorStatus(transactionConnectorId).status =
-        OCPP16ChargePointStatus.AVAILABLE;
+      await OCPP16ServiceUtils.sendAndSetConnectorStatus(
+        chargingStation,
+        transactionConnectorId!,
+        OCPP16ChargePointStatus.Available,
+      );
     }
     if (chargingStation.stationInfo.powerSharedByConnectors) {
       chargingStation.powerDivider--;
     }
-    chargingStation.resetConnectorStatus(transactionConnectorId);
-    const logMsg = `${chargingStation.logPrefix()} Transaction ${requestPayload.transactionId.toString()} STOPPED on ${
+    resetConnectorStatus(chargingStation.getConnectorStatus(transactionConnectorId!)!);
+    chargingStation.stopMeterValues(transactionConnectorId!);
+    chargingStation.emit(ChargingStationEvents.updated);
+    const logMsg = `${chargingStation.logPrefix()} Transaction with id ${
+      requestPayload.transactionId
+    } STOPPED on ${
       chargingStation.stationInfo.chargingStationId
-    }#${transactionConnectorId.toString()} with status '${
-      payload.idTagInfo?.status ?? 'undefined'
-    }'`;
+    }#${transactionConnectorId} with status '${payload.idTagInfo?.status ?? 'undefined'}'`;
     if (
-      Utils.isNullOrUndefined(payload.idTagInfo) ||
+      isNullOrUndefined(payload.idTagInfo) ||
       payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED
     ) {
       logger.info(logMsg);
@@ -647,13 +765,4 @@ export default class OCPP16ResponseService extends OCPPResponseService {
       logger.warn(logMsg);
     }
   }
-
-  private parseJsonSchemaFile<T extends JsonType>(relativePath: string): JSONSchemaType<T> {
-    return JSON.parse(
-      fs.readFileSync(
-        path.resolve(path.dirname(fileURLToPath(import.meta.url)), relativePath),
-        'utf8'
-      )
-    ) as JSONSchemaType<T>;
-  }
 }