import { Request, Response, NextFunction } from 'express';
import crypto from 'crypto';
import { RequestMetrics } from '../resources/requestMetrics.js';

declare global {
  // eslint-disable-next-line @typescript-eslint/no-namespace
  namespace Express {
    interface Locals {
      requestMetrics: RequestMetrics;
      requestId: string;
    }
  }
}

function start(_: Request, res: Response, next: NextFunction) {
  res.locals.requestMetrics = RequestMetrics.startRequest();
  res.locals.requestId = crypto.randomUUID();

  next();
}

export default start;