/*
 *
 * Hedera Stablecoin SDK
 *
 * Copyright (C) 2023 Hedera Hashgraph, LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

import { Injectable, NestMiddleware } from '@nestjs/common';
import { Request, Response, NextFunction } from 'express';
import { v4 as uuidv4 } from 'uuid'; // Import v4 as uuidv4
import { REQUEST_ID_HTTP_HEADER } from '../common/constants';

// Logger middleware
@Injectable()
export class RequestIDMiddleware implements NestMiddleware {
  use(req: Request, res: Response, next: NextFunction) {
    const requestId = uuidv4(); // Generate unique request ID
    req[REQUEST_ID_HTTP_HEADER] = requestId; // Attach request ID to request object
    next();
  }
}