class Jets::Resource::ApiGateway::RestApi::ChangeDetection

def changed?
  return false unless parent_stack_exists?
  current_binary_media_types != new_binary_media_types ||
  Routes.changed?
end

def current_binary_media_types
  return nil unless parent_stack_exists?
  stack = cfn.describe_stacks(stack_name: parent_stack_name).stacks.first
  api_gateway_stack_arn = lookup(stack[:outputs], "ApiGateway")
  stack = cfn.describe_stacks(stack_name: api_gateway_stack_arn).stacks.first
  rest_api_id = lookup(stack[:outputs], "RestApi")
  resp = apigateway.get_rest_api(rest_api_id: rest_api_id)
  resp.binary_media_types
end

def new_binary_media_types
  rest_api = Jets::Resource::ApiGateway::RestApi.new
  rest_api.binary_media_types
end

def parent_stack_exists?
  stack_exists?(parent_stack_name)
end

def parent_stack_name
  Jets::Naming.parent_stack_name
end