`import Ember from 'ember'`

class Imagine
  @verbose: true
  @server: null
  @api: null
  @call_history: null

  @setApi: (api) ->
    @api = api

  # private
  @_ensure_prentender: ->
    unless @server
      @call_history = {}
      @server = sinon.fakeServer.create();
      # docs suggest using respondImmediately 
      # but autoRespond works better with ember
      # plus it acts more like it is network operation
      #
      @server.autoRespondAfter = 2 # miliseconds 
      @server.autoRespond = true

  @callCount: (verb,resource) ->
    verb = verb.toUpperCase()
    if @call_history[verb]?[resource]?['count']
      @call_history[verb][resource]['count']
    else
      0

  @requestDataHistory: (verb, resource) ->
    verb = verb.toUpperCase()
    if @call_history[verb]?[resource]?['requests']
      @call_history[verb][resource]['requests']
    else
      []

  @lastRequestData: (verb,resource) ->
    requests = @requestDataHistory(verb,resource)
    if requests.length > 0
      requests[requests.length - 1]
    else
      undefined

  @called: (verb,resource) ->
    @callCount(verb,resource) > 0

  @json: (opts) ->
    @_ensure_prentender()
    headers = {"Content-Type": "application/json"}
    for method, api of opts
      # do is required when using for loops to avoid closure + variable hoisting bug
      do (method,api) =>
        for apiKey, response of api
          do (apiKey, response) =>
            http_verb = method.toUpperCase()
            if @api[apiKey]
              response_body = JSON.stringify(response.body)
              resource_location = @api[apiKey]

              if @verbose
                console.log("ImagineApi: Created Mock : method: #{http_verb} #{resource_location} [#{response.status},#{JSON.stringify(headers)},#{response_body}]") 

              @server.respondWith(http_verb, resource_location, (xhr, id) =>
                if @verbose
                  console.log("--- ImagineApi: Responding with : method: #{http_verb} #{resource_location} [#{response.status},#{JSON.stringify(headers)},#{response_body}]")
                @call_history[http_verb]         ||= {}
                @call_history[http_verb][apiKey] ||= {}
                @call_history[http_verb][apiKey]['count'] ||= 0
                @call_history[http_verb][apiKey]['count']++
                @call_history[http_verb][apiKey]['requests'] ||= []
                Ember.run =>
                  content_type = xhr.requestHeaders["Content-Type"]
                  if content_type?.indexOf("json") > -1
                    obj = JSON.parse(xhr.requestBody)
                    @call_history[http_verb][apiKey]['requests'].push(obj)
                  else
                    if @verbose
                      console.log("- WARN - ImagineApi.json Request Expected Content-Type JSON not found; Found #{content_type}")
                    @call_history[http_verb][apiKey]['requests'].push(xhr.requestBody)

                  xhr.respond(response.status, headers, response_body)
              )
            else
              console.log("#{apiKey} is not specified in #{@api}")

  @stop :  ->
    if @server
      @server.restore()
      @server = null

`export default Imagine`