{-# 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.APIGateway.UpdateMethod
-- 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)
--
-- Updates an existing < Method> resource.
module Network.AWS.APIGateway.UpdateMethod
    (
    -- * Creating a Request
      updateMethod
    , UpdateMethod
    -- * Request Lenses
    , ummPatchOperations
    , ummRestAPIId
    , ummResourceId
    , ummHttpMethod

    -- * Destructuring the Response
    , method
    , Method
    -- * Response Lenses
    , mMethodResponses
    , mHttpMethod
    , mRequestModels
    , mRequestParameters
    , mAuthorizerId
    , mAuthorizationType
    , mApiKeyRequired
    , mMethodIntegration
    ) where

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

-- | Request to update an existing < Method> resource.
--
-- /See:/ 'updateMethod' smart constructor.
data UpdateMethod = UpdateMethod'
    { _ummPatchOperations :: !(Maybe [PatchOperation])
    , _ummRestAPIId       :: !Text
    , _ummResourceId      :: !Text
    , _ummHttpMethod      :: !Text
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'UpdateMethod' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ummPatchOperations'
--
-- * 'ummRestAPIId'
--
-- * 'ummResourceId'
--
-- * 'ummHttpMethod'
updateMethod
    :: Text -- ^ 'ummRestAPIId'
    -> Text -- ^ 'ummResourceId'
    -> Text -- ^ 'ummHttpMethod'
    -> UpdateMethod
updateMethod pRestAPIId_ pResourceId_ pHttpMethod_ =
    UpdateMethod'
    { _ummPatchOperations = Nothing
    , _ummRestAPIId = pRestAPIId_
    , _ummResourceId = pResourceId_
    , _ummHttpMethod = pHttpMethod_
    }

-- | A list of operations describing the updates to apply to the specified
-- resource. The patches are applied in the order specified in the list.
ummPatchOperations :: Lens' UpdateMethod [PatchOperation]
ummPatchOperations = lens _ummPatchOperations (\ s a -> s{_ummPatchOperations = a}) . _Default . _Coerce;

-- | The < RestApi> identifier for the < Method> resource.
ummRestAPIId :: Lens' UpdateMethod Text
ummRestAPIId = lens _ummRestAPIId (\ s a -> s{_ummRestAPIId = a});

-- | The < Resource> identifier for the < Method> resource.
ummResourceId :: Lens' UpdateMethod Text
ummResourceId = lens _ummResourceId (\ s a -> s{_ummResourceId = a});

-- | The HTTP verb that identifies the < Method> resource.
ummHttpMethod :: Lens' UpdateMethod Text
ummHttpMethod = lens _ummHttpMethod (\ s a -> s{_ummHttpMethod = a});

instance AWSRequest UpdateMethod where
        type Rs UpdateMethod = Method
        request = patchJSON apiGateway
        response = receiveJSON (\ s h x -> eitherParseJSON x)

instance Hashable UpdateMethod

instance ToHeaders UpdateMethod where
        toHeaders
          = const
              (mconcat
                 ["Accept" =# ("application/json" :: ByteString)])

instance ToJSON UpdateMethod where
        toJSON UpdateMethod'{..}
          = object
              (catMaybes
                 [("patchOperations" .=) <$> _ummPatchOperations])

instance ToPath UpdateMethod where
        toPath UpdateMethod'{..}
          = mconcat
              ["/restapis/", toBS _ummRestAPIId, "/resources/",
               toBS _ummResourceId, "/methods/",
               toBS _ummHttpMethod]

instance ToQuery UpdateMethod where
        toQuery = const mempty