http = require 'http'

port = 0
exports.usePort =  (newport) -> port = newport

exports.METHODS = ['GET', 'POST', 'DELETE', 'PUT', 'HEAD']
for method in exports.METHODS then do (method) ->
  exports[method] = (path, opts={}, cb) ->
    if not cb then cb = opts
    accept='application/json'
    req = {method, host: 'localhost', port, path, headers: {accept}}
    req.headers[k] = v for k, v of opts.headers if opts.headers
    rawBody = ""
    req = http.request req, (res) ->
      res.on 'data', (chnk) -> rawBody += chnk
      res.on 'end', ->
        cb res, JSON.parse(rawBody or null)

    if body = opts.body
      if 'string' != typeof body
        body = JSON.stringify body
    req.end body