ENV["FOG_RC"]         = ENV["FOG_RC"] || File.expand_path("../.fog", __FILE__)
ENV["FOG_CREDENTIAL"] = ENV["FOG_CREDENTIAL"] || "default"

require "fog/google"
require "securerandom"

Excon.defaults.merge!(:debug_request => true, :debug_response => true)

require File.expand_path(File.join(File.dirname(__FILE__), "helpers", "mock_helper"))

# This overrides the default 600 seconds timeout during live test runs
if Fog.mocking?
  FOG_TESTING_TIMEOUT = ENV["FOG_TEST_TIMEOUT"] || 2000
  Fog.timeout = 2000
  Fog::Logger.warning "Setting default fog timeout to #{Fog.timeout} seconds"
else
  FOG_TESTING_TIMEOUT = Fog.timeout
end

def lorem_file
  File.open(File.dirname(__FILE__) + "/lorem.txt", "r")
end

def array_differences(array_a, array_b)
  (array_a - array_b) | (array_b - array_a)
end

# create a disk to be used in tests
def create_test_disk(connection, zone)
  zone = "us-central1-a"
  random_string = SecureRandom.hex

  disk = connection.disks.create({
                                   :name => "fog-test-disk-#{random_string}",
                                   :size_gb => "10",
                                   :zone => zone,
                                   :source_image => "debian-8-jessie-v20161215"
                                 })
  disk.wait_for { ready? }
  disk
end

def create_test_http_health_check(connection)
  random_string = SecureRandom.hex
  health_check = connection.http_health_checks.create({
                                                        :name => "fog-test-check-#{random_string}"
                                                      })
  health_check
end

def create_test_backend_service(connection)
  random_string = SecureRandom.hex
  health_check = create_test_http_health_check(connection)
  backend_service = connection.backend_services.create({
                                                         :name => "fog-test-backend-service-#{random_string}",
                                                         :health_checks => [health_check]
                                                       })
end

def create_test_url_map(connection)
  random_string = SecureRandom.hex
  backend_service = create_test_backend_service(connection)
  url_map = connection.url_maps.create({
                                         :name => "fog-test-url-map-#{random_string}",
                                         :default_service => backend_service.self_link
                                       })
end

def create_test_server(connection, zone)
  random_string = SecureRandom.hex
  disk = create_test_disk(connection, zone)
  server = connection.servers.create({
                                       :name => "fog-test-server-#{random_string}",
                                       :disks => [disk],
                                       :zone => zone,
                                       :machine_type => "n1-standard-1"
                                     })
end

def create_test_target_http_proxy(connection)
  random_string = SecureRandom.hex
  url_map = create_test_url_map(connection)
  proxy = connection.target_http_proxies.create({
                                                  :name => "fog-test-target-http-proxy-#{random_string}",
                                                  :url_map => url_map.self_link
                                                })
end

def create_test_zone_view(connection, zone)
  random_string = SecureRandom.hex
  zone_view = connection.zone_views.create({
                                             :name => "fog-test-zone-view-#{random_string}",
                                             :zone => zone
                                           })
  zone_view.wait_for { ready? }
  zone_view
end

def create_test_target_pool(connection, region)
  random_string = SecureRandom.hex
  http_health_check = create_test_http_health_check(connection)
  instance = create_test_server(connection, "us-central1-a")
  target_pool = connection.target_pools.create({
                                                 :name => "fog-test-target-pool-#{random_string}",
                                                 :region => region,
                                                 :health_checks => [http_health_check.self_link],
                                                 :instances => [instance.self_link]\
                                               })
end

def wait_operation(connection, response)
  operation = connection.operations.get(response["name"], response["zone"], response["region"])
  operation.wait_for { ready? }
end

def generate_unique_domain(with_trailing_dot = false)
  # get time (with 1/100th of sec accuracy)
  # want unique domain name and if provider is fast, this can be called more than once per second
  time = (Time.now.to_f * 100).to_i
  domain = "test-" + time.to_s + ".com"
  domain += "." if with_trailing_dot

  domain
end
