import logger from "./log";
import { Request, Response, NextFunction } from "express";

const speedLog = logger.color("#35feff");

export default function logResponseTime(
  req: Request,
  res: Response,
  next: NextFunction
) {
  if (process.env.PERFORMANCE_LOGGING !== "true") return next();

  const startTime = Date.now();

  res.on("finish", () => {
    const elapsedTime = Date.now() - startTime;
    const time = `${elapsedTime}ms`;
    speedLog(`Response time for route ${req.path}: ${logger.highlight(time)}.`);
  });

  return next();
}