// Copyright 2010-2012 Mikeal Rogers // // Licensed under the Apache License, Version 2.0 (the “License”); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an “AS IS” BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License.

'use strict'

var extend = require('extend') var cookies = require('./lib/cookies') var helpers = require('./lib/helpers')

var paramsHaveRequestBody = helpers.paramsHaveRequestBody

// organize params for patch, post, put, head, del function initParams (uri, options, callback) {

if (typeof options === 'function') {
  callback = options
}

var params = {}
if (typeof options === 'object') {
  extend(params, options, {uri: uri})
} else if (typeof uri === 'string') {
  extend(params, {uri: uri})
} else {
  extend(params, uri)
}

params.callback = callback || params.callback
return params

}

function request (uri, options, callback) {

if (typeof uri === 'undefined') {
  throw new Error('undefined is not a valid uri or options object.')
}

var params = initParams(uri, options, callback)

if (params.method === 'HEAD' && paramsHaveRequestBody(params)) {
  throw new Error('HTTP HEAD requests MUST NOT include a request body.')
}

return new request.Request(params)

}

function verbFunc (verb) {

var method = verb.toUpperCase()
return function (uri, options, callback) {
  var params = initParams(uri, options, callback)
  params.method = method
  return request(params, params.callback)
}

}

// define like this to please codeintel/intellisense IDEs request.get = verbFunc('get') request.head = verbFunc('head') request.options = verbFunc('options') request.post = verbFunc('post') request.put = verbFunc('put') request.patch = verbFunc('patch') request.del = verbFunc('delete') request = verbFunc('delete')

request.jar = function (store) {

return cookies.jar(store)

}

request.cookie = function (str) {

return cookies.parse(str)

}

function wrapRequestMethod (method, options, requester, verb) {

return function (uri, opts, callback) {
  var params = initParams(uri, opts, callback)

  var target = {}
  extend(true, target, options, params)

  target.pool = params.pool || options.pool

  if (verb) {
    target.method = verb.toUpperCase()
  }

  if (typeof requester === 'function') {
    method = requester
  }

  return method(target, target.callback)
}

}

request.defaults = function (options, requester) {

var self = this

options = options || {}

if (typeof options === 'function') {
  requester = options
  options = {}
}

var defaults = wrapRequestMethod(self, options, requester)

var verbs = ['get', 'head', 'post', 'put', 'patch', 'del', 'delete']
verbs.forEach(function (verb) {
  defaults[verb] = wrapRequestMethod(self[verb], options, requester, verb)
})

defaults.cookie = wrapRequestMethod(self.cookie, options, requester)
defaults.jar = self.jar
defaults.defaults = self.defaults
return defaults

}

request.forever = function (agentOptions, optionsArg) {

var options = {}
if (optionsArg) {
  extend(options, optionsArg)
}
if (agentOptions) {
  options.agentOptions = agentOptions
}

options.forever = true
return request.defaults(options)

}

// Exports

module.exports = request request.Request = require('./request') request.initParams = initParams

// Backwards compatibility for request.debug Object.defineProperty(request, 'debug', {

enumerable: true,
get: function () {
  return request.Request.debug
},
set: function (debug) {
  request.Request.debug = debug
}

})