require 'rubygems'
require 'spec'
# require 'ruby-debug'
# assumes active-support 3
require 'active_support/json/encoding'
require 'fakeweb'
require 'fakefs/safe'

PRESENT_PUBLIC_HOSTNAME = 'app_master.compute-1.amazonaws.com'
PRESENT_SECURITY_GROUP = 'ey-data1_production-1-2-3'
PRESENT_INSTANCE_ID = 'i-deadbeef'
REPOSITORY_URI = 'FAKE_REPOSITORY_URI'

def pretend_we_are_on_a_developer_machine
  ENV['REPOSITORY_URI'] = REPOSITORY_URI
  FakeWeb.allow_net_connect = false
  FakeWeb.register_uri  :get,
                        "https://cloud.engineyard.com/api/v2/environments",
                        :status => ["200", "OK"],
                        :body => File.read(File.join(File.dirname(__FILE__), 'support', 'engine_yard_cloud_api_response.json'))
  # FakeFS.activate!
end


def pretend_we_are_on_an_engineyard_appcloud_ec2_instance
  FakeWeb.allow_net_connect = false
  # fake call to amazon ec2 api to get present security group
  FakeWeb.register_uri  :get,
                        "http://169.254.169.254/latest/meta-data/security-groups",
                        :status => ["200", "OK"],
                        :body => PRESENT_SECURITY_GROUP

  # fake call to amazon ec2 api to get present instance id
  FakeWeb.register_uri  :get,
                        "http://169.254.169.254/latest/meta-data/instance-id",
                        :status => ["200", "OK"],
                        :body => PRESENT_INSTANCE_ID

  # first read a file from the real file system...
  dna_json = File.read File.join(File.dirname(__FILE__), 'support', 'dna.json')
  # ... then turn on the fakefs
  FakeFS.activate!
  FileUtils.mkdir_p '/etc/chef'
  File.open '/etc/chef/dna.json', 'w' do |f|
    f.write dna_json
  end
end

def stop_pretending
  FakeFS.deactivate!
  FakeWeb.clean_registry
  FakeWeb.allow_net_connect = true
end