{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-applicationautoscaling-scalingpolicy-stepscalingpolicyconfiguration.html

module Stratosphere.ResourceProperties.ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration where

import Control.Lens hiding ((.=))
import Data.Aeson
import Data.Maybe (catMaybes)
import Data.Monoid (mempty)
import Data.Text

import Stratosphere.Values
import Stratosphere.ResourceProperties.ApplicationAutoScalingScalingPolicyStepAdjustment

-- | Full data type definition for
-- ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration. See
-- 'applicationAutoScalingScalingPolicyStepScalingPolicyConfiguration' for a
-- more convenient constructor.
data ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration =
  ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration
  { _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationAdjustmentType :: Maybe (Val Text)
  , _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationCooldown :: Maybe (Val Integer')
  , _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationMetricAggregationType :: Maybe (Val Text)
  , _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationMinAdjustmentMagnitude :: Maybe (Val Integer')
  , _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationStepAdjustments :: Maybe [ApplicationAutoScalingScalingPolicyStepAdjustment]
  } deriving (Show, Eq)

instance ToJSON ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration where
  toJSON ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration{..} =
    object $
    catMaybes
    [ ("AdjustmentType" .=) <$> _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationAdjustmentType
    , ("Cooldown" .=) <$> _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationCooldown
    , ("MetricAggregationType" .=) <$> _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationMetricAggregationType
    , ("MinAdjustmentMagnitude" .=) <$> _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationMinAdjustmentMagnitude
    , ("StepAdjustments" .=) <$> _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationStepAdjustments
    ]

instance FromJSON ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration where
  parseJSON (Object obj) =
    ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration <$>
      obj .:? "AdjustmentType" <*>
      obj .:? "Cooldown" <*>
      obj .:? "MetricAggregationType" <*>
      obj .:? "MinAdjustmentMagnitude" <*>
      obj .:? "StepAdjustments"
  parseJSON _ = mempty

-- | Constructor for
-- 'ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration'
-- containing required fields as arguments.
applicationAutoScalingScalingPolicyStepScalingPolicyConfiguration
  :: ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration
applicationAutoScalingScalingPolicyStepScalingPolicyConfiguration  =
  ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration
  { _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationAdjustmentType = Nothing
  , _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationCooldown = Nothing
  , _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationMetricAggregationType = Nothing
  , _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationMinAdjustmentMagnitude = Nothing
  , _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationStepAdjustments = Nothing
  }

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-applicationautoscaling-scalingpolicy-stepscalingpolicyconfiguration.html#cfn-applicationautoscaling-scalingpolicy-stepscalingpolicyconfiguration-adjustmenttype
aasspsspcAdjustmentType :: Lens' ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration (Maybe (Val Text))
aasspsspcAdjustmentType = lens _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationAdjustmentType (\s a -> s { _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationAdjustmentType = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-applicationautoscaling-scalingpolicy-stepscalingpolicyconfiguration.html#cfn-applicationautoscaling-scalingpolicy-stepscalingpolicyconfiguration-cooldown
aasspsspcCooldown :: Lens' ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration (Maybe (Val Integer'))
aasspsspcCooldown = lens _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationCooldown (\s a -> s { _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationCooldown = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-applicationautoscaling-scalingpolicy-stepscalingpolicyconfiguration.html#cfn-applicationautoscaling-scalingpolicy-stepscalingpolicyconfiguration-metricaggregationtype
aasspsspcMetricAggregationType :: Lens' ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration (Maybe (Val Text))
aasspsspcMetricAggregationType = lens _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationMetricAggregationType (\s a -> s { _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationMetricAggregationType = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-applicationautoscaling-scalingpolicy-stepscalingpolicyconfiguration.html#cfn-applicationautoscaling-scalingpolicy-stepscalingpolicyconfiguration-minadjustmentmagnitude
aasspsspcMinAdjustmentMagnitude :: Lens' ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration (Maybe (Val Integer'))
aasspsspcMinAdjustmentMagnitude = lens _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationMinAdjustmentMagnitude (\s a -> s { _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationMinAdjustmentMagnitude = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-applicationautoscaling-scalingpolicy-stepscalingpolicyconfiguration.html#cfn-applicationautoscaling-scalingpolicy-stepscalingpolicyconfiguration-stepadjustments
aasspsspcStepAdjustments :: Lens' ApplicationAutoScalingScalingPolicyStepScalingPolicyConfiguration (Maybe [ApplicationAutoScalingScalingPolicyStepAdjustment])
aasspsspcStepAdjustments = lens _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationStepAdjustments (\s a -> s { _applicationAutoScalingScalingPolicyStepScalingPolicyConfigurationStepAdjustments = a })