Apply prettier formating

[e-mobility-charging-stations-simulator.git] / src / charging-station / ui-websocket-services / UIServiceUtils.ts

import { Protocol, ProtocolVersion } from '../../types/UIProtocol';

import { IncomingMessage } from 'http';
import Utils from '../../utils/Utils';
import logger from '../../utils/Logger';

export class UIServiceUtils {
  public static handleProtocols = (
    protocols: Set<string>,
    request: IncomingMessage
  ): string | false => {
    let protocolIndex: number;
    let protocol: Protocol;
    let version: ProtocolVersion;
    for (const fullProtocol of protocols) {
      protocolIndex = fullProtocol.indexOf(Protocol.UI);
      protocol = fullProtocol.substring(
        protocolIndex,
        protocolIndex + Protocol.UI.length
      ) as Protocol;
      version = fullProtocol.substring(protocolIndex + Protocol.UI.length) as ProtocolVersion;
      if (
        Object.values(Protocol).includes(protocol) &&
        Object.values(ProtocolVersion).includes(version)
      ) {
        return fullProtocol;
      }
    }
    logger.error(
      `${Utils.logPrefix(
        ' UI WebSocket Server:'
      )} Unsupported protocol: ${protocol} or protocol version: ${version}`
    );
    return false;
  };
}