{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE OverloadedStrings #-}

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-lambda-permission.html

module Stratosphere.Resources.LambdaPermission where

import Control.Lens
import Data.Aeson
import Data.Aeson.Types
import Data.Text
import GHC.Generics

import Stratosphere.Values


-- | Full data type definition for LambdaPermission. See 'lambdaPermission'
-- | for a more convenient constructor.
data LambdaPermission =
  LambdaPermission
  { _lambdaPermissionAction :: Val Text
  , _lambdaPermissionFunctionName :: Val Text
  , _lambdaPermissionPrincipal :: Val Text
  , _lambdaPermissionSourceAccount :: Maybe (Val Text)
  , _lambdaPermissionSourceArn :: Maybe (Val Text)
  } deriving (Show, Generic)

instance ToJSON LambdaPermission where
  toJSON = genericToJSON defaultOptions { fieldLabelModifier = Prelude.drop 17, omitNothingFields = True }

instance FromJSON LambdaPermission where
  parseJSON = genericParseJSON defaultOptions { fieldLabelModifier = Prelude.drop 17, omitNothingFields = True }

-- | Constructor for 'LambdaPermission' containing required fields as
-- | arguments.
lambdaPermission
  :: Val Text -- ^ 'lpAction'
  -> Val Text -- ^ 'lpFunctionName'
  -> Val Text -- ^ 'lpPrincipal'
  -> LambdaPermission
lambdaPermission actionarg functionNamearg principalarg =
  LambdaPermission
  { _lambdaPermissionAction = actionarg
  , _lambdaPermissionFunctionName = functionNamearg
  , _lambdaPermissionPrincipal = principalarg
  , _lambdaPermissionSourceAccount = Nothing
  , _lambdaPermissionSourceArn = Nothing
  }

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-lambda-permission.html#cfn-lambda-permission-action
lpAction :: Lens' LambdaPermission (Val Text)
lpAction = lens _lambdaPermissionAction (\s a -> s { _lambdaPermissionAction = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-lambda-permission.html#cfn-lambda-permission-functionname
lpFunctionName :: Lens' LambdaPermission (Val Text)
lpFunctionName = lens _lambdaPermissionFunctionName (\s a -> s { _lambdaPermissionFunctionName = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-lambda-permission.html#cfn-lambda-permission-principal
lpPrincipal :: Lens' LambdaPermission (Val Text)
lpPrincipal = lens _lambdaPermissionPrincipal (\s a -> s { _lambdaPermissionPrincipal = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-lambda-permission.html#cfn-lambda-permission-sourceaccount
lpSourceAccount :: Lens' LambdaPermission (Maybe (Val Text))
lpSourceAccount = lens _lambdaPermissionSourceAccount (\s a -> s { _lambdaPermissionSourceAccount = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-lambda-permission.html#cfn-lambda-permission-sourcearn
lpSourceArn :: Lens' LambdaPermission (Maybe (Val Text))
lpSourceArn = lens _lambdaPermissionSourceArn (\s a -> s { _lambdaPermissionSourceArn = a })