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// Copyright 2018-2020 the oak_logger authors. All rights reserved. MIT license.
import {  green,  cyan,  red,  yellow,} from "https://deno.land/std@0.53.0/fmt/colors.ts";import { format } from "https://deno.land/std/datetime/mod.ts";let X_RESPONSE_TIME: string = "X-Response-Time";let User_Agent: string = "User-Agent";
/** The standard logging function that processes and logs requests. */const logger = async (  { response, request }: { response: any; request: any },  next: Function,) => {  await next();  const responseTime = response.headers.get(X_RESPONSE_TIME);  const User = request.headers.get(User_Agent);  const status: number = response.status;  const log_string: string = `[${    format(new Date(Date.now()), "MM-dd-yyyy hh:mm:ss.SSS")  }  Oak::logger] ${request.ip} "${request.method} ${request.url.pathname}" ${    String(status)  } ${User} ${responseTime}`;  var color = status >= 500    ? console.log(`${red(log_string)}`) // red    : status >= 400    ? console.log(`${yellow(log_string)}`) // yellow    : status >= 300    ? console.log(`${cyan(log_string)}`) // cyan    : status >= 200    ? console.log(`${green(log_string)}`) // green    : console.log(`${red(log_string)}`);};
/** Response time calculator that also adds response time header. */const responseTime = async (  { response }: { response: any },  next: Function,) => {  const start = Date.now();  await next();  const ms: number = Date.now() - start;  response.headers.set(X_RESPONSE_TIME, `${ms}ms`);};
export default { logger, responseTime };