{-# 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.Lambda.PublishVersion
-- 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)
--
-- Publishes a version of your function from the current snapshot of
-- $LATEST. That is, AWS Lambda takes a snapshot of the function code and
-- configuration information from $LATEST and publishes a new version. The
-- code and configuration cannot be modified after publication. For
-- information about the versioning feature, see
-- <http://docs.aws.amazon.com/lambda/latest/dg/versioning-aliases.html AWS Lambda Function Versioning and Aliases>.
module Network.AWS.Lambda.PublishVersion
    (
    -- * Creating a Request
      publishVersion
    , PublishVersion
    -- * Request Lenses
    , pvCodeSha256
    , pvDescription
    , pvFunctionName

    -- * Destructuring the Response
    , functionConfiguration
    , FunctionConfiguration
    -- * Response Lenses
    , fcMemorySize
    , fcRuntime
    , fcFunctionARN
    , fcRole
    , fcVPCConfig
    , fcVersion
    , fcFunctionName
    , fcCodeSize
    , fcHandler
    , fcTimeout
    , fcLastModified
    , fcCodeSha256
    , fcDescription
    ) where

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

-- | /See:/ 'publishVersion' smart constructor.
data PublishVersion = PublishVersion'
    { _pvCodeSha256   :: !(Maybe Text)
    , _pvDescription  :: !(Maybe Text)
    , _pvFunctionName :: !Text
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'PublishVersion' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'pvCodeSha256'
--
-- * 'pvDescription'
--
-- * 'pvFunctionName'
publishVersion
    :: Text -- ^ 'pvFunctionName'
    -> PublishVersion
publishVersion pFunctionName_ =
    PublishVersion'
    { _pvCodeSha256 = Nothing
    , _pvDescription = Nothing
    , _pvFunctionName = pFunctionName_
    }

-- | The SHA256 hash of the deployment package you want to publish. This
-- provides validation on the code you are publishing. If you provide this
-- parameter value must match the SHA256 of the $LATEST version for the
-- publication to succeed.
pvCodeSha256 :: Lens' PublishVersion (Maybe Text)
pvCodeSha256 = lens _pvCodeSha256 (\ s a -> s{_pvCodeSha256 = a});

-- | The description for the version you are publishing. If not provided, AWS
-- Lambda copies the description from the $LATEST version.
pvDescription :: Lens' PublishVersion (Maybe Text)
pvDescription = lens _pvDescription (\ s a -> s{_pvDescription = a});

-- | The Lambda function name. You can specify a function name (for example,
-- 'Thumbnail') or you can specify Amazon Resource Name (ARN) of the
-- function (for example,
-- 'arn:aws:lambda:us-west-2:account-id:function:ThumbNail'). AWS Lambda
-- also allows you to specify a partial ARN (for example,
-- 'account-id:Thumbnail'). Note that the length constraint applies only to
-- the ARN. If you specify only the function name, it is limited to 64
-- character in length.
pvFunctionName :: Lens' PublishVersion Text
pvFunctionName = lens _pvFunctionName (\ s a -> s{_pvFunctionName = a});

instance AWSRequest PublishVersion where
        type Rs PublishVersion = FunctionConfiguration
        request = postJSON lambda
        response = receiveJSON (\ s h x -> eitherParseJSON x)

instance Hashable PublishVersion

instance NFData PublishVersion

instance ToHeaders PublishVersion where
        toHeaders = const mempty

instance ToJSON PublishVersion where
        toJSON PublishVersion'{..}
          = object
              (catMaybes
                 [("CodeSha256" .=) <$> _pvCodeSha256,
                  ("Description" .=) <$> _pvDescription])

instance ToPath PublishVersion where
        toPath PublishVersion'{..}
          = mconcat
              ["/2015-03-31/functions/", toBS _pvFunctionName,
               "/versions"]

instance ToQuery PublishVersion where
        toQuery = const mempty