{-# 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.IoT.CreatePolicy
-- 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)
--
-- Creates an AWS IoT policy.
--
-- The created policy is the default version for the policy. This operation
-- creates a policy version with a version identifier of __1__ and sets
-- __1__ as the policy\'s default version.
--
-- /See:/ <https://aws.amazon.com/iot#CreatePolicy.html AWS API Reference> for CreatePolicy.
module Network.AWS.IoT.CreatePolicy
    (
    -- * Creating a Request
      createPolicy
    , CreatePolicy
    -- * Request Lenses
    , cpPolicyName
    , cpPolicyDocument

    -- * Destructuring the Response
    , createPolicyResponse
    , CreatePolicyResponse
    -- * Response Lenses
    , cprsPolicyName
    , cprsPolicyDocument
    , cprsPolicyVersionId
    , cprsPolicyARN
    , cprsResponseStatus
    ) where

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

-- | The input for the CreatePolicy operation.
--
-- /See:/ 'createPolicy' smart constructor.
data CreatePolicy = CreatePolicy'
    { _cpPolicyName     :: !Text
    , _cpPolicyDocument :: !Text
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'CreatePolicy' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'cpPolicyName'
--
-- * 'cpPolicyDocument'
createPolicy
    :: Text -- ^ 'cpPolicyName'
    -> Text -- ^ 'cpPolicyDocument'
    -> CreatePolicy
createPolicy pPolicyName_ pPolicyDocument_ =
    CreatePolicy'
    { _cpPolicyName = pPolicyName_
    , _cpPolicyDocument = pPolicyDocument_
    }

-- | The policy name.
cpPolicyName :: Lens' CreatePolicy Text
cpPolicyName = lens _cpPolicyName (\ s a -> s{_cpPolicyName = a});

-- | The JSON document that describes the policy. The length of the
-- __policyDocument__ must be a minimum length of 1, with a maximum length
-- of 2048, excluding whitespace.
cpPolicyDocument :: Lens' CreatePolicy Text
cpPolicyDocument = lens _cpPolicyDocument (\ s a -> s{_cpPolicyDocument = a});

instance AWSRequest CreatePolicy where
        type Rs CreatePolicy = CreatePolicyResponse
        request = postJSON ioT
        response
          = receiveJSON
              (\ s h x ->
                 CreatePolicyResponse' <$>
                   (x .?> "policyName") <*> (x .?> "policyDocument") <*>
                     (x .?> "policyVersionId")
                     <*> (x .?> "policyArn")
                     <*> (pure (fromEnum s)))

instance ToHeaders CreatePolicy where
        toHeaders = const mempty

instance ToJSON CreatePolicy where
        toJSON CreatePolicy'{..}
          = object
              (catMaybes
                 [Just ("policyDocument" .= _cpPolicyDocument)])

instance ToPath CreatePolicy where
        toPath CreatePolicy'{..}
          = mconcat ["/policies/", toBS _cpPolicyName]

instance ToQuery CreatePolicy where
        toQuery = const mempty

-- | The output from the CreatePolicy operation.
--
-- /See:/ 'createPolicyResponse' smart constructor.
data CreatePolicyResponse = CreatePolicyResponse'
    { _cprsPolicyName      :: !(Maybe Text)
    , _cprsPolicyDocument  :: !(Maybe Text)
    , _cprsPolicyVersionId :: !(Maybe Text)
    , _cprsPolicyARN       :: !(Maybe Text)
    , _cprsResponseStatus  :: !Int
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'CreatePolicyResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'cprsPolicyName'
--
-- * 'cprsPolicyDocument'
--
-- * 'cprsPolicyVersionId'
--
-- * 'cprsPolicyARN'
--
-- * 'cprsResponseStatus'
createPolicyResponse
    :: Int -- ^ 'cprsResponseStatus'
    -> CreatePolicyResponse
createPolicyResponse pResponseStatus_ =
    CreatePolicyResponse'
    { _cprsPolicyName = Nothing
    , _cprsPolicyDocument = Nothing
    , _cprsPolicyVersionId = Nothing
    , _cprsPolicyARN = Nothing
    , _cprsResponseStatus = pResponseStatus_
    }

-- | The policy name.
cprsPolicyName :: Lens' CreatePolicyResponse (Maybe Text)
cprsPolicyName = lens _cprsPolicyName (\ s a -> s{_cprsPolicyName = a});

-- | The JSON document that describes the policy.
cprsPolicyDocument :: Lens' CreatePolicyResponse (Maybe Text)
cprsPolicyDocument = lens _cprsPolicyDocument (\ s a -> s{_cprsPolicyDocument = a});

-- | The policy version ID.
cprsPolicyVersionId :: Lens' CreatePolicyResponse (Maybe Text)
cprsPolicyVersionId = lens _cprsPolicyVersionId (\ s a -> s{_cprsPolicyVersionId = a});

-- | The policy ARN.
cprsPolicyARN :: Lens' CreatePolicyResponse (Maybe Text)
cprsPolicyARN = lens _cprsPolicyARN (\ s a -> s{_cprsPolicyARN = a});

-- | The response status code.
cprsResponseStatus :: Lens' CreatePolicyResponse Int
cprsResponseStatus = lens _cprsResponseStatus (\ s a -> s{_cprsResponseStatus = a});