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

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

module Stratosphere.Resources.LogsDestination 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 LogsDestination. See 'logsDestination' for
-- a more convenient constructor.
data LogsDestination =
  LogsDestination
  { _logsDestinationDestinationName :: Val Text
  , _logsDestinationDestinationPolicy :: Val Text
  , _logsDestinationRoleArn :: Val Text
  , _logsDestinationTargetArn :: Val Text
  } deriving (Show, Eq)

instance ToJSON LogsDestination where
  toJSON LogsDestination{..} =
    object $
    catMaybes
    [ Just ("DestinationName" .= _logsDestinationDestinationName)
    , Just ("DestinationPolicy" .= _logsDestinationDestinationPolicy)
    , Just ("RoleArn" .= _logsDestinationRoleArn)
    , Just ("TargetArn" .= _logsDestinationTargetArn)
    ]

instance FromJSON LogsDestination where
  parseJSON (Object obj) =
    LogsDestination <$>
      obj .: "DestinationName" <*>
      obj .: "DestinationPolicy" <*>
      obj .: "RoleArn" <*>
      obj .: "TargetArn"
  parseJSON _ = mempty

-- | Constructor for 'LogsDestination' containing required fields as
-- arguments.
logsDestination
  :: Val Text -- ^ 'ldDestinationName'
  -> Val Text -- ^ 'ldDestinationPolicy'
  -> Val Text -- ^ 'ldRoleArn'
  -> Val Text -- ^ 'ldTargetArn'
  -> LogsDestination
logsDestination destinationNamearg destinationPolicyarg roleArnarg targetArnarg =
  LogsDestination
  { _logsDestinationDestinationName = destinationNamearg
  , _logsDestinationDestinationPolicy = destinationPolicyarg
  , _logsDestinationRoleArn = roleArnarg
  , _logsDestinationTargetArn = targetArnarg
  }

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-destination.html#cfn-logs-destination-destinationname
ldDestinationName :: Lens' LogsDestination (Val Text)
ldDestinationName = lens _logsDestinationDestinationName (\s a -> s { _logsDestinationDestinationName = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-destination.html#cfn-logs-destination-destinationpolicy
ldDestinationPolicy :: Lens' LogsDestination (Val Text)
ldDestinationPolicy = lens _logsDestinationDestinationPolicy (\s a -> s { _logsDestinationDestinationPolicy = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-destination.html#cfn-logs-destination-rolearn
ldRoleArn :: Lens' LogsDestination (Val Text)
ldRoleArn = lens _logsDestinationRoleArn (\s a -> s { _logsDestinationRoleArn = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-destination.html#cfn-logs-destination-targetarn
ldTargetArn :: Lens' LogsDestination (Val Text)
ldTargetArn = lens _logsDestinationTargetArn (\s a -> s { _logsDestinationTargetArn = a })