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

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-subscriptionfilter.html

module Stratosphere.Resources.LogsSubscriptionFilter where

import Stratosphere.ResourceImports


-- | Full data type definition for LogsSubscriptionFilter. See
-- 'logsSubscriptionFilter' for a more convenient constructor.
data LogsSubscriptionFilter =
  LogsSubscriptionFilter
  { _logsSubscriptionFilterDestinationArn :: Val Text
  , _logsSubscriptionFilterFilterPattern :: Val Text
  , _logsSubscriptionFilterLogGroupName :: Val Text
  , _logsSubscriptionFilterRoleArn :: Maybe (Val Text)
  } deriving (Show, Eq)

instance ToJSON LogsSubscriptionFilter where
  toJSON LogsSubscriptionFilter{..} =
    object $
    catMaybes
    [ (Just . ("DestinationArn",) . toJSON) _logsSubscriptionFilterDestinationArn
    , (Just . ("FilterPattern",) . toJSON) _logsSubscriptionFilterFilterPattern
    , (Just . ("LogGroupName",) . toJSON) _logsSubscriptionFilterLogGroupName
    , fmap (("RoleArn",) . toJSON) _logsSubscriptionFilterRoleArn
    ]

instance FromJSON LogsSubscriptionFilter where
  parseJSON (Object obj) =
    LogsSubscriptionFilter <$>
      (obj .: "DestinationArn") <*>
      (obj .: "FilterPattern") <*>
      (obj .: "LogGroupName") <*>
      (obj .:? "RoleArn")
  parseJSON _ = mempty

-- | Constructor for 'LogsSubscriptionFilter' containing required fields as
-- arguments.
logsSubscriptionFilter
  :: Val Text -- ^ 'lsfDestinationArn'
  -> Val Text -- ^ 'lsfFilterPattern'
  -> Val Text -- ^ 'lsfLogGroupName'
  -> LogsSubscriptionFilter
logsSubscriptionFilter destinationArnarg filterPatternarg logGroupNamearg =
  LogsSubscriptionFilter
  { _logsSubscriptionFilterDestinationArn = destinationArnarg
  , _logsSubscriptionFilterFilterPattern = filterPatternarg
  , _logsSubscriptionFilterLogGroupName = logGroupNamearg
  , _logsSubscriptionFilterRoleArn = Nothing
  }

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-subscriptionfilter.html#cfn-cwl-subscriptionfilter-destinationarn
lsfDestinationArn :: Lens' LogsSubscriptionFilter (Val Text)
lsfDestinationArn = lens _logsSubscriptionFilterDestinationArn (\s a -> s { _logsSubscriptionFilterDestinationArn = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-subscriptionfilter.html#cfn-cwl-subscriptionfilter-filterpattern
lsfFilterPattern :: Lens' LogsSubscriptionFilter (Val Text)
lsfFilterPattern = lens _logsSubscriptionFilterFilterPattern (\s a -> s { _logsSubscriptionFilterFilterPattern = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-subscriptionfilter.html#cfn-cwl-subscriptionfilter-loggroupname
lsfLogGroupName :: Lens' LogsSubscriptionFilter (Val Text)
lsfLogGroupName = lens _logsSubscriptionFilterLogGroupName (\s a -> s { _logsSubscriptionFilterLogGroupName = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-subscriptionfilter.html#cfn-cwl-subscriptionfilter-rolearn
lsfRoleArn :: Lens' LogsSubscriptionFilter (Maybe (Val Text))
lsfRoleArn = lens _logsSubscriptionFilterRoleArn (\s a -> s { _logsSubscriptionFilterRoleArn = a })