{-# 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.MechanicalTurk.ListHITs
-- Copyright   : (c) 2013-2018 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay <brendan.g.hay+amazonka@gmail.com>
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- The @ListHITs@ operation returns all of a Requester's HITs. The operation returns HITs of any status, except for HITs that have been deleted of with the DeleteHIT operation or that have been auto-deleted.
--
--
--
-- This operation returns paginated results.
module Network.AWS.MechanicalTurk.ListHITs
    (
    -- * Creating a Request
      listHITs
    , ListHITs
    -- * Request Lenses
    , lhitNextToken
    , lhitMaxResults

    -- * Destructuring the Response
    , listHITsResponse
    , ListHITsResponse
    -- * Response Lenses
    , lhitrsNextToken
    , lhitrsNumResults
    , lhitrsHITs
    , lhitrsResponseStatus
    ) where

import Network.AWS.Lens
import Network.AWS.MechanicalTurk.Types
import Network.AWS.MechanicalTurk.Types.Product
import Network.AWS.Pager
import Network.AWS.Prelude
import Network.AWS.Request
import Network.AWS.Response

-- | /See:/ 'listHITs' smart constructor.
data ListHITs = ListHITs'
  { _lhitNextToken  :: !(Maybe Text)
  , _lhitMaxResults :: !(Maybe Nat)
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'ListHITs' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'lhitNextToken' - Pagination token
--
-- * 'lhitMaxResults' - Undocumented member.
listHITs
    :: ListHITs
listHITs = ListHITs' {_lhitNextToken = Nothing, _lhitMaxResults = Nothing}


-- | Pagination token
lhitNextToken :: Lens' ListHITs (Maybe Text)
lhitNextToken = lens _lhitNextToken (\ s a -> s{_lhitNextToken = a})

-- | Undocumented member.
lhitMaxResults :: Lens' ListHITs (Maybe Natural)
lhitMaxResults = lens _lhitMaxResults (\ s a -> s{_lhitMaxResults = a}) . mapping _Nat

instance AWSPager ListHITs where
        page rq rs
          | stop (rs ^. lhitrsNextToken) = Nothing
          | stop (rs ^. lhitrsHITs) = Nothing
          | otherwise =
            Just $ rq & lhitNextToken .~ rs ^. lhitrsNextToken

instance AWSRequest ListHITs where
        type Rs ListHITs = ListHITsResponse
        request = postJSON mechanicalTurk
        response
          = receiveJSON
              (\ s h x ->
                 ListHITsResponse' <$>
                   (x .?> "NextToken") <*> (x .?> "NumResults") <*>
                     (x .?> "HITs" .!@ mempty)
                     <*> (pure (fromEnum s)))

instance Hashable ListHITs where

instance NFData ListHITs where

instance ToHeaders ListHITs where
        toHeaders
          = const
              (mconcat
                 ["X-Amz-Target" =#
                    ("MTurkRequesterServiceV20170117.ListHITs" ::
                       ByteString),
                  "Content-Type" =#
                    ("application/x-amz-json-1.1" :: ByteString)])

instance ToJSON ListHITs where
        toJSON ListHITs'{..}
          = object
              (catMaybes
                 [("NextToken" .=) <$> _lhitNextToken,
                  ("MaxResults" .=) <$> _lhitMaxResults])

instance ToPath ListHITs where
        toPath = const "/"

instance ToQuery ListHITs where
        toQuery = const mempty

-- | /See:/ 'listHITsResponse' smart constructor.
data ListHITsResponse = ListHITsResponse'
  { _lhitrsNextToken      :: !(Maybe Text)
  , _lhitrsNumResults     :: !(Maybe Int)
  , _lhitrsHITs           :: !(Maybe [HIT])
  , _lhitrsResponseStatus :: !Int
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'ListHITsResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'lhitrsNextToken' - Undocumented member.
--
-- * 'lhitrsNumResults' - The number of HITs on this page in the filtered results list, equivalent to the number of HITs being returned by this call.
--
-- * 'lhitrsHITs' - The list of HIT elements returned by the query.
--
-- * 'lhitrsResponseStatus' - -- | The response status code.
listHITsResponse
    :: Int -- ^ 'lhitrsResponseStatus'
    -> ListHITsResponse
listHITsResponse pResponseStatus_ =
  ListHITsResponse'
    { _lhitrsNextToken = Nothing
    , _lhitrsNumResults = Nothing
    , _lhitrsHITs = Nothing
    , _lhitrsResponseStatus = pResponseStatus_
    }


-- | Undocumented member.
lhitrsNextToken :: Lens' ListHITsResponse (Maybe Text)
lhitrsNextToken = lens _lhitrsNextToken (\ s a -> s{_lhitrsNextToken = a})

-- | The number of HITs on this page in the filtered results list, equivalent to the number of HITs being returned by this call.
lhitrsNumResults :: Lens' ListHITsResponse (Maybe Int)
lhitrsNumResults = lens _lhitrsNumResults (\ s a -> s{_lhitrsNumResults = a})

-- | The list of HIT elements returned by the query.
lhitrsHITs :: Lens' ListHITsResponse [HIT]
lhitrsHITs = lens _lhitrsHITs (\ s a -> s{_lhitrsHITs = a}) . _Default . _Coerce

-- | -- | The response status code.
lhitrsResponseStatus :: Lens' ListHITsResponse Int
lhitrsResponseStatus = lens _lhitrsResponseStatus (\ s a -> s{_lhitrsResponseStatus = a})

instance NFData ListHITsResponse where