{-# 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.RDS.ResetDBParameterGroup
-- Copyright   : (c) 2013-2015 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)
--
-- Modifies the parameters of a DB parameter group to the engine\/system
-- default value. To reset specific parameters submit a list of the
-- following: 'ParameterName' and 'ApplyMethod'. To reset the entire DB
-- parameter group, specify the 'DBParameterGroup' name and
-- 'ResetAllParameters' parameters. When resetting the entire group,
-- dynamic parameters are updated immediately and static parameters are set
-- to 'pending-reboot' to take effect on the next DB instance restart or
-- 'RebootDBInstance' request.
--
-- /See:/ <http://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_ResetDBParameterGroup.html AWS API Reference> for ResetDBParameterGroup.
module Network.AWS.RDS.ResetDBParameterGroup
    (
    -- * Creating a Request
      resetDBParameterGroup
    , ResetDBParameterGroup
    -- * Request Lenses
    , rdpgResetAllParameters
    , rdpgParameters
    , rdpgDBParameterGroupName

    -- * Destructuring the Response
    , dbParameterGroupNameMessage
    , DBParameterGroupNameMessage
    -- * Response Lenses
    , dpgnmDBParameterGroupName
    ) where

import           Network.AWS.Prelude
import           Network.AWS.RDS.Types
import           Network.AWS.RDS.Types.Product
import           Network.AWS.Request
import           Network.AWS.Response

-- |
--
-- /See:/ 'resetDBParameterGroup' smart constructor.
data ResetDBParameterGroup = ResetDBParameterGroup'
    { _rdpgResetAllParameters   :: !(Maybe Bool)
    , _rdpgParameters           :: !(Maybe [Parameter])
    , _rdpgDBParameterGroupName :: !Text
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'ResetDBParameterGroup' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'rdpgResetAllParameters'
--
-- * 'rdpgParameters'
--
-- * 'rdpgDBParameterGroupName'
resetDBParameterGroup
    :: Text -- ^ 'rdpgDBParameterGroupName'
    -> ResetDBParameterGroup
resetDBParameterGroup pDBParameterGroupName_ =
    ResetDBParameterGroup'
    { _rdpgResetAllParameters = Nothing
    , _rdpgParameters = Nothing
    , _rdpgDBParameterGroupName = pDBParameterGroupName_
    }

-- | Specifies whether ('true') or not ('false') to reset all parameters in
-- the DB parameter group to default values.
--
-- Default: 'true'
rdpgResetAllParameters :: Lens' ResetDBParameterGroup (Maybe Bool)
rdpgResetAllParameters = lens _rdpgResetAllParameters (\ s a -> s{_rdpgResetAllParameters = a});

-- | An array of parameter names, values, and the apply method for the
-- parameter update. At least one parameter name, value, and apply method
-- must be supplied; subsequent arguments are optional. A maximum of 20
-- parameters can be modified in a single request.
--
-- __MySQL__
--
-- Valid Values (for Apply method): 'immediate' | 'pending-reboot'
--
-- You can use the immediate value with dynamic parameters only. You can
-- use the 'pending-reboot' value for both dynamic and static parameters,
-- and changes are applied when DB instance reboots.
--
-- __Oracle__
--
-- Valid Values (for Apply method): 'pending-reboot'
rdpgParameters :: Lens' ResetDBParameterGroup [Parameter]
rdpgParameters = lens _rdpgParameters (\ s a -> s{_rdpgParameters = a}) . _Default . _Coerce;

-- | The name of the DB parameter group.
--
-- Constraints:
--
-- -   Must be 1 to 255 alphanumeric characters
-- -   First character must be a letter
-- -   Cannot end with a hyphen or contain two consecutive hyphens
rdpgDBParameterGroupName :: Lens' ResetDBParameterGroup Text
rdpgDBParameterGroupName = lens _rdpgDBParameterGroupName (\ s a -> s{_rdpgDBParameterGroupName = a});

instance AWSRequest ResetDBParameterGroup where
        type Sv ResetDBParameterGroup = RDS
        type Rs ResetDBParameterGroup =
             DBParameterGroupNameMessage
        request = postQuery
        response
          = receiveXMLWrapper "ResetDBParameterGroupResult"
              (\ s h x -> parseXML x)

instance ToHeaders ResetDBParameterGroup where
        toHeaders = const mempty

instance ToPath ResetDBParameterGroup where
        toPath = const "/"

instance ToQuery ResetDBParameterGroup where
        toQuery ResetDBParameterGroup'{..}
          = mconcat
              ["Action" =: ("ResetDBParameterGroup" :: ByteString),
               "Version" =: ("2014-10-31" :: ByteString),
               "ResetAllParameters" =: _rdpgResetAllParameters,
               "Parameters" =:
                 toQuery
                   (toQueryList "Parameter" <$> _rdpgParameters),
               "DBParameterGroupName" =: _rdpgDBParameterGroupName]