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

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-opsworks-instance-blockdevicemapping.html

module Stratosphere.ResourceProperties.OpsWorksInstanceBlockDeviceMapping 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.OpsWorksInstanceEbsBlockDevice

-- | Full data type definition for OpsWorksInstanceBlockDeviceMapping. See
-- 'opsWorksInstanceBlockDeviceMapping' for a more convenient constructor.
data OpsWorksInstanceBlockDeviceMapping =
  OpsWorksInstanceBlockDeviceMapping
  { _opsWorksInstanceBlockDeviceMappingDeviceName :: Maybe (Val Text)
  , _opsWorksInstanceBlockDeviceMappingEbs :: Maybe OpsWorksInstanceEbsBlockDevice
  , _opsWorksInstanceBlockDeviceMappingNoDevice :: Maybe (Val Text)
  , _opsWorksInstanceBlockDeviceMappingVirtualName :: Maybe (Val Text)
  } deriving (Show, Eq)

instance ToJSON OpsWorksInstanceBlockDeviceMapping where
  toJSON OpsWorksInstanceBlockDeviceMapping{..} =
    object $
    catMaybes
    [ ("DeviceName" .=) <$> _opsWorksInstanceBlockDeviceMappingDeviceName
    , ("Ebs" .=) <$> _opsWorksInstanceBlockDeviceMappingEbs
    , ("NoDevice" .=) <$> _opsWorksInstanceBlockDeviceMappingNoDevice
    , ("VirtualName" .=) <$> _opsWorksInstanceBlockDeviceMappingVirtualName
    ]

instance FromJSON OpsWorksInstanceBlockDeviceMapping where
  parseJSON (Object obj) =
    OpsWorksInstanceBlockDeviceMapping <$>
      obj .:? "DeviceName" <*>
      obj .:? "Ebs" <*>
      obj .:? "NoDevice" <*>
      obj .:? "VirtualName"
  parseJSON _ = mempty

-- | Constructor for 'OpsWorksInstanceBlockDeviceMapping' containing required
-- fields as arguments.
opsWorksInstanceBlockDeviceMapping
  :: OpsWorksInstanceBlockDeviceMapping
opsWorksInstanceBlockDeviceMapping  =
  OpsWorksInstanceBlockDeviceMapping
  { _opsWorksInstanceBlockDeviceMappingDeviceName = Nothing
  , _opsWorksInstanceBlockDeviceMappingEbs = Nothing
  , _opsWorksInstanceBlockDeviceMappingNoDevice = Nothing
  , _opsWorksInstanceBlockDeviceMappingVirtualName = Nothing
  }

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-opsworks-instance-blockdevicemapping.html#cfn-opsworks-instance-blockdevicemapping-devicename
owibdmDeviceName :: Lens' OpsWorksInstanceBlockDeviceMapping (Maybe (Val Text))
owibdmDeviceName = lens _opsWorksInstanceBlockDeviceMappingDeviceName (\s a -> s { _opsWorksInstanceBlockDeviceMappingDeviceName = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-opsworks-instance-blockdevicemapping.html#cfn-opsworks-instance-blockdevicemapping-ebs
owibdmEbs :: Lens' OpsWorksInstanceBlockDeviceMapping (Maybe OpsWorksInstanceEbsBlockDevice)
owibdmEbs = lens _opsWorksInstanceBlockDeviceMappingEbs (\s a -> s { _opsWorksInstanceBlockDeviceMappingEbs = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-opsworks-instance-blockdevicemapping.html#cfn-opsworks-instance-blockdevicemapping-nodevice
owibdmNoDevice :: Lens' OpsWorksInstanceBlockDeviceMapping (Maybe (Val Text))
owibdmNoDevice = lens _opsWorksInstanceBlockDeviceMappingNoDevice (\s a -> s { _opsWorksInstanceBlockDeviceMappingNoDevice = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-opsworks-instance-blockdevicemapping.html#cfn-opsworks-instance-blockdevicemapping-virtualname
owibdmVirtualName :: Lens' OpsWorksInstanceBlockDeviceMapping (Maybe (Val Text))
owibdmVirtualName = lens _opsWorksInstanceBlockDeviceMappingVirtualName (\s a -> s { _opsWorksInstanceBlockDeviceMappingVirtualName = a })