require "helper"
require "inspec/resource"
require "resources/aws/aws_config_delivery_channel"

require "resource_support/aws"

# MDCSB = MockDeliveryChannelSingleBackend
# Abbreviation not used outside this file

#=============================================================================#
#                            Constructor Tests
#=============================================================================#
class AwsConfigDeliveryChannelConstructorTest < Minitest::Test
  def setup
    AwsConfigDeliveryChannel::BackendFactory.select(AwsMDCSB::Basic)
  end

  def test_constructor_when_no_params_provided
    AwsConfigDeliveryChannel.new
  end

  def test_constructor_expected_well_formed_args_scalar
    AwsConfigDeliveryChannel.new("default")
  end

  def test_constructor_expected_well_formed_args_hash
    AwsConfigDeliveryChannel.new(channel_name: "default")
  end

  def test_constructor_reject_unknown_resource_params
    assert_raises(ArgumentError) { AwsConfigDeliveryChannel.new(bla: "blabla") }
  end
end

#=============================================================================#
#                               Recall
#=============================================================================#

class AwsConfigDeliveryChannelRecallTest < Minitest::Test
  def setup
    AwsConfigDeliveryChannel::BackendFactory.select(AwsMDCSB::Basic)
  end

  def test_search_hit_by_default
    assert AwsConfigDeliveryChannel.new.exists?
  end

  def test_search_hit_via_scalar
    assert AwsConfigDeliveryChannel.new("default").exists?
  end

  def test_search_hit_via_hash
    assert AwsConfigDeliveryChannel.new(channel_name: "default").exists?
  end

  def test_search_miss_is_not_an_exception
    refute AwsConfigDeliveryChannel.new(channel_name: "NonExistentDeliveryChannel").exists?
  end
end

#=============================================================================#
#                               properties
#=============================================================================#

class AwsConfigDeliveryChannelPropertiesTest < Minitest::Test
  def setup
    AwsConfigDeliveryChannel::BackendFactory.select(AwsMDCSB::Basic)
  end

  def test_property_channel_name
    assert_equal("default", AwsConfigDeliveryChannel.new("default").channel_name)
    assert_equal("default", AwsConfigDeliveryChannel.new.channel_name)
    assert_equal("NonExistentDeliveryChannel", AwsConfigDeliveryChannel.new("NonExistentDeliveryChannel").channel_name)
  end

  def test_property_delivery_frequency_in_hours
    assert_equal(3, AwsConfigDeliveryChannel.new("default").delivery_frequency_in_hours)
    assert_nil(AwsConfigDeliveryChannel.new("NonExistentDeliveryChannel").delivery_frequency_in_hours)
  end

  def test_property_s3_bucket_name
    assert_equal("my-bucket", AwsConfigDeliveryChannel.new("default").s3_bucket_name)
    assert_nil(AwsConfigDeliveryChannel.new("NonExistentDeliveryChannel").s3_bucket_name)
  end

  def test_property_s3_key_prefix
    assert_equal("config-logs/", AwsConfigDeliveryChannel.new("default").s3_key_prefix)
    assert_nil(AwsConfigDeliveryChannel.new("NonExistentDeliveryChannel").s3_key_prefix)
  end

  def test_property_sns_topic_arn
    assert_equal("arn:aws:sns:::my-topic-name", AwsConfigDeliveryChannel.new("default").sns_topic_arn)
    assert_nil(AwsConfigDeliveryChannel.new("NonExistentDeliveryChannel").sns_topic_arn)
  end
end

#=============================================================================#
#                               Test Matchers
#=============================================================================#

# None

#=============================================================================#
#                               Test Fixtures
#=============================================================================#

module AwsMDCSB
  class Basic < AwsBackendBase
    def describe_delivery_channels(query = {})
      fixtures = {
        "default" => Aws::ConfigService::Types::DescribeDeliveryChannelsResponse.new(
          delivery_channels: [
            {
              name: "default",
              s3_bucket_name: "my-bucket",
              s3_key_prefix: "config-logs/",
              sns_topic_arn: "arn:aws:sns:::my-topic-name",
              config_snapshot_delivery_properties: {
                 delivery_frequency: "Three_Hours",
              },
            },
          ]
        ),
      }
      return fixtures["default"] if query.empty?
      return fixtures[query[:delivery_channel_names][0]] unless fixtures[query[:delivery_channel_names][0]].nil?

      raise Aws::ConfigService::Errors::NoSuchDeliveryChannelException.new(nil, nil)
    end
  end
end