// @flow


import Module from './Module'
import { httpReq as uninstrumentedHttpReq, httpReq2 as uninstrumentedHttpReq2 } from './uninstrumentedHttpUtils'

import type { HttpReqOptions, HttpReqOptions2, HttpReqResponse } from './uninstrumentedHttpUtils'

const { MODULE_NAME, log, warn, error, noteGauge, noteCount, trackOp } = new Module(__filename) // eslint-disable-line no-unused-vars

export async function httpReq(url: string, options: HttpReqOptions = {}): Promise<HttpReqResponse> {
  return await trackOp(async () => {
    return await uninstrumentedHttpReq(url, options)
  }, options && options.trackingName ? `httpReq.${options.trackingName}` : null)
}

export async function httpReq2(url: string, options: HttpReqOptions2 = {}): Promise<HttpReqResponse> {
  return await trackOp(async () => {
    return await uninstrumentedHttpReq2(url, options)
  }, options && options.trackingName ? `httpReq.${options.trackingName}` : null)
}

// TODO: move to stringUtils
export function objToQuery(obj: ?Object, pairSep: ?string, keyValueSep: ?string): string {
  obj = obj || {}
  pairSep = typeof pairSep === 'string' ? pairSep : '&'
  keyValueSep = typeof keyValueSep === 'string' ? keyValueSep : '='
  // $FlowIgnore
  return Object.keys(obj).map(k => `${k}${keyValueSep}${encodeURIComponent(obj[k])}`).join(pairSep)
}