{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE DeriveGeneric      #-}
{-# LANGUAGE OverloadedStrings  #-}
{-# LANGUAGE RecordWildCards    #-}
{-# LANGUAGE TypeFamilies       #-}

{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-binds   #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- |
-- Module      : Network.AWS.KMS.GenerateRandom
-- Copyright   : (c) 2013-2016 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Generates an unpredictable byte string.
--
--
module Network.AWS.KMS.GenerateRandom
    (
    -- * Creating a Request
      generateRandom
    , GenerateRandom
    -- * Request Lenses
    , grNumberOfBytes

    -- * Destructuring the Response
    , generateRandomResponse
    , GenerateRandomResponse
    -- * Response Lenses
    , grrsPlaintext
    , grrsResponseStatus
    ) where

import           Network.AWS.KMS.Types
import           Network.AWS.KMS.Types.Product
import           Network.AWS.Lens
import           Network.AWS.Prelude
import           Network.AWS.Request
import           Network.AWS.Response

-- | /See:/ 'generateRandom' smart constructor.
newtype GenerateRandom = GenerateRandom'
    { _grNumberOfBytes :: Maybe Nat
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'GenerateRandom' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'grNumberOfBytes' - The length of the byte string.
generateRandom
    :: GenerateRandom
generateRandom =
    GenerateRandom'
    { _grNumberOfBytes = Nothing
    }

-- | The length of the byte string.
grNumberOfBytes :: Lens' GenerateRandom (Maybe Natural)
grNumberOfBytes = lens _grNumberOfBytes (\ s a -> s{_grNumberOfBytes = a}) . mapping _Nat;

instance AWSRequest GenerateRandom where
        type Rs GenerateRandom = GenerateRandomResponse
        request = postJSON kms
        response
          = receiveJSON
              (\ s h x ->
                 GenerateRandomResponse' <$>
                   (x .?> "Plaintext") <*> (pure (fromEnum s)))

instance Hashable GenerateRandom

instance NFData GenerateRandom

instance ToHeaders GenerateRandom where
        toHeaders
          = const
              (mconcat
                 ["X-Amz-Target" =#
                    ("TrentService.GenerateRandom" :: ByteString),
                  "Content-Type" =#
                    ("application/x-amz-json-1.1" :: ByteString)])

instance ToJSON GenerateRandom where
        toJSON GenerateRandom'{..}
          = object
              (catMaybes
                 [("NumberOfBytes" .=) <$> _grNumberOfBytes])

instance ToPath GenerateRandom where
        toPath = const "/"

instance ToQuery GenerateRandom where
        toQuery = const mempty

-- | /See:/ 'generateRandomResponse' smart constructor.
data GenerateRandomResponse = GenerateRandomResponse'
    { _grrsPlaintext      :: !(Maybe (Sensitive Base64))
    , _grrsResponseStatus :: !Int
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'GenerateRandomResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'grrsPlaintext' - The unpredictable byte string.-- /Note:/ This 'Lens' automatically encodes and decodes Base64 data. The underlying isomorphism will encode to Base64 representation during serialisation, and decode from Base64 representation during deserialisation. This 'Lens' accepts and returns only raw unencoded data.
--
-- * 'grrsResponseStatus' - -- | The response status code.
generateRandomResponse
    :: Int -- ^ 'grrsResponseStatus'
    -> GenerateRandomResponse
generateRandomResponse pResponseStatus_ =
    GenerateRandomResponse'
    { _grrsPlaintext = Nothing
    , _grrsResponseStatus = pResponseStatus_
    }

-- | The unpredictable byte string.-- /Note:/ This 'Lens' automatically encodes and decodes Base64 data. The underlying isomorphism will encode to Base64 representation during serialisation, and decode from Base64 representation during deserialisation. This 'Lens' accepts and returns only raw unencoded data.
grrsPlaintext :: Lens' GenerateRandomResponse (Maybe ByteString)
grrsPlaintext = lens _grrsPlaintext (\ s a -> s{_grrsPlaintext = a}) . mapping (_Sensitive . _Base64);

-- | -- | The response status code.
grrsResponseStatus :: Lens' GenerateRandomResponse Int
grrsResponseStatus = lens _grrsResponseStatus (\ s a -> s{_grrsResponseStatus = a});

instance NFData GenerateRandomResponse