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

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-as-lifecyclehook.html

module Stratosphere.Resources.AutoScalingLifecycleHook where

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

import Stratosphere.Values


-- | Full data type definition for AutoScalingLifecycleHook. See
-- 'autoScalingLifecycleHook' for a more convenient constructor.
data AutoScalingLifecycleHook =
  AutoScalingLifecycleHook
  { _autoScalingLifecycleHookAutoScalingGroupName :: Val Text
  , _autoScalingLifecycleHookDefaultResult :: Maybe (Val Text)
  , _autoScalingLifecycleHookHeartbeatTimeout :: Maybe (Val Integer')
  , _autoScalingLifecycleHookLifecycleTransition :: Val Text
  , _autoScalingLifecycleHookNotificationMetadata :: Maybe (Val Text)
  , _autoScalingLifecycleHookNotificationTargetARN :: Val Text
  , _autoScalingLifecycleHookRoleARN :: Val Text
  } deriving (Show, Eq)

instance ToJSON AutoScalingLifecycleHook where
  toJSON AutoScalingLifecycleHook{..} =
    object $
    catMaybes
    [ Just ("AutoScalingGroupName" .= _autoScalingLifecycleHookAutoScalingGroupName)
    , ("DefaultResult" .=) <$> _autoScalingLifecycleHookDefaultResult
    , ("HeartbeatTimeout" .=) <$> _autoScalingLifecycleHookHeartbeatTimeout
    , Just ("LifecycleTransition" .= _autoScalingLifecycleHookLifecycleTransition)
    , ("NotificationMetadata" .=) <$> _autoScalingLifecycleHookNotificationMetadata
    , Just ("NotificationTargetARN" .= _autoScalingLifecycleHookNotificationTargetARN)
    , Just ("RoleARN" .= _autoScalingLifecycleHookRoleARN)
    ]

instance FromJSON AutoScalingLifecycleHook where
  parseJSON (Object obj) =
    AutoScalingLifecycleHook <$>
      obj .: "AutoScalingGroupName" <*>
      obj .:? "DefaultResult" <*>
      obj .:? "HeartbeatTimeout" <*>
      obj .: "LifecycleTransition" <*>
      obj .:? "NotificationMetadata" <*>
      obj .: "NotificationTargetARN" <*>
      obj .: "RoleARN"
  parseJSON _ = mempty

-- | Constructor for 'AutoScalingLifecycleHook' containing required fields as
-- arguments.
autoScalingLifecycleHook
  :: Val Text -- ^ 'aslhAutoScalingGroupName'
  -> Val Text -- ^ 'aslhLifecycleTransition'
  -> Val Text -- ^ 'aslhNotificationTargetARN'
  -> Val Text -- ^ 'aslhRoleARN'
  -> AutoScalingLifecycleHook
autoScalingLifecycleHook autoScalingGroupNamearg lifecycleTransitionarg notificationTargetARNarg roleARNarg =
  AutoScalingLifecycleHook
  { _autoScalingLifecycleHookAutoScalingGroupName = autoScalingGroupNamearg
  , _autoScalingLifecycleHookDefaultResult = Nothing
  , _autoScalingLifecycleHookHeartbeatTimeout = Nothing
  , _autoScalingLifecycleHookLifecycleTransition = lifecycleTransitionarg
  , _autoScalingLifecycleHookNotificationMetadata = Nothing
  , _autoScalingLifecycleHookNotificationTargetARN = notificationTargetARNarg
  , _autoScalingLifecycleHookRoleARN = roleARNarg
  }

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-as-lifecyclehook.html#cfn-as-lifecyclehook-autoscalinggroupname
aslhAutoScalingGroupName :: Lens' AutoScalingLifecycleHook (Val Text)
aslhAutoScalingGroupName = lens _autoScalingLifecycleHookAutoScalingGroupName (\s a -> s { _autoScalingLifecycleHookAutoScalingGroupName = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-as-lifecyclehook.html#cfn-as-lifecyclehook-defaultresult
aslhDefaultResult :: Lens' AutoScalingLifecycleHook (Maybe (Val Text))
aslhDefaultResult = lens _autoScalingLifecycleHookDefaultResult (\s a -> s { _autoScalingLifecycleHookDefaultResult = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-as-lifecyclehook.html#cfn-as-lifecyclehook-heartbeattimeout
aslhHeartbeatTimeout :: Lens' AutoScalingLifecycleHook (Maybe (Val Integer'))
aslhHeartbeatTimeout = lens _autoScalingLifecycleHookHeartbeatTimeout (\s a -> s { _autoScalingLifecycleHookHeartbeatTimeout = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-as-lifecyclehook.html#cfn-as-lifecyclehook-lifecycletransition
aslhLifecycleTransition :: Lens' AutoScalingLifecycleHook (Val Text)
aslhLifecycleTransition = lens _autoScalingLifecycleHookLifecycleTransition (\s a -> s { _autoScalingLifecycleHookLifecycleTransition = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-as-lifecyclehook.html#cfn-as-lifecyclehook-notificationmetadata
aslhNotificationMetadata :: Lens' AutoScalingLifecycleHook (Maybe (Val Text))
aslhNotificationMetadata = lens _autoScalingLifecycleHookNotificationMetadata (\s a -> s { _autoScalingLifecycleHookNotificationMetadata = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-as-lifecyclehook.html#cfn-as-lifecyclehook-notificationtargetarn
aslhNotificationTargetARN :: Lens' AutoScalingLifecycleHook (Val Text)
aslhNotificationTargetARN = lens _autoScalingLifecycleHookNotificationTargetARN (\s a -> s { _autoScalingLifecycleHookNotificationTargetARN = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-as-lifecyclehook.html#cfn-as-lifecyclehook-rolearn
aslhRoleARN :: Lens' AutoScalingLifecycleHook (Val Text)
aslhRoleARN = lens _autoScalingLifecycleHookRoleARN (\s a -> s { _autoScalingLifecycleHookRoleARN = a })