{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE StrictData #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# OPTIONS_GHC -fno-warn-unused-binds #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- |
-- Module      : Amazonka.DeviceFarm.ListDeviceInstances
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Returns information about the private device instances associated with
-- one or more AWS accounts.
--
-- This operation returns paginated results.
module Amazonka.DeviceFarm.ListDeviceInstances
  ( -- * Creating a Request
    ListDeviceInstances (..),
    newListDeviceInstances,

    -- * Request Lenses
    listDeviceInstances_maxResults,
    listDeviceInstances_nextToken,

    -- * Destructuring the Response
    ListDeviceInstancesResponse (..),
    newListDeviceInstancesResponse,

    -- * Response Lenses
    listDeviceInstancesResponse_deviceInstances,
    listDeviceInstancesResponse_nextToken,
    listDeviceInstancesResponse_httpStatus,
  )
where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.DeviceFarm.Types
import qualified Amazonka.Prelude as Prelude
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newListDeviceInstances' smart constructor.
data ListDeviceInstances = ListDeviceInstances'
  { -- | An integer that specifies the maximum number of items you want to return
    -- in the API response.
    maxResults :: Prelude.Maybe Prelude.Int,
    -- | An identifier that was returned from the previous call to this
    -- operation, which can be used to return the next set of items in the
    -- list.
    nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListDeviceInstances' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'maxResults', 'listDeviceInstances_maxResults' - An integer that specifies the maximum number of items you want to return
-- in the API response.
--
-- 'nextToken', 'listDeviceInstances_nextToken' - An identifier that was returned from the previous call to this
-- operation, which can be used to return the next set of items in the
-- list.
newListDeviceInstances ::
  ListDeviceInstances
newListDeviceInstances =
  ListDeviceInstances'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | An integer that specifies the maximum number of items you want to return
-- in the API response.
listDeviceInstances_maxResults :: Lens.Lens' ListDeviceInstances (Prelude.Maybe Prelude.Int)
listDeviceInstances_maxResults = Lens.lens (\ListDeviceInstances' {maxResults} -> maxResults) (\s@ListDeviceInstances' {} a -> s {maxResults = a} :: ListDeviceInstances)

-- | An identifier that was returned from the previous call to this
-- operation, which can be used to return the next set of items in the
-- list.
listDeviceInstances_nextToken :: Lens.Lens' ListDeviceInstances (Prelude.Maybe Prelude.Text)
listDeviceInstances_nextToken = Lens.lens (\ListDeviceInstances' {nextToken} -> nextToken) (\s@ListDeviceInstances' {} a -> s {nextToken = a} :: ListDeviceInstances)

instance Core.AWSPager ListDeviceInstances where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listDeviceInstancesResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listDeviceInstancesResponse_deviceInstances
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listDeviceInstances_nextToken
          Lens..~ rs
          Lens.^? listDeviceInstancesResponse_nextToken
          Prelude.. Lens._Just

instance Core.AWSRequest ListDeviceInstances where
  type
    AWSResponse ListDeviceInstances =
      ListDeviceInstancesResponse
  request overrides =
    Request.postJSON (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          ListDeviceInstancesResponse'
            Prelude.<$> ( x
                            Data..?> "deviceInstances"
                            Core..!@ Prelude.mempty
                        )
            Prelude.<*> (x Data..?> "nextToken")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable ListDeviceInstances where
  hashWithSalt _salt ListDeviceInstances' {..} =
    _salt
      `Prelude.hashWithSalt` maxResults
      `Prelude.hashWithSalt` nextToken

instance Prelude.NFData ListDeviceInstances where
  rnf ListDeviceInstances' {..} =
    Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken

instance Data.ToHeaders ListDeviceInstances where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "DeviceFarm_20150623.ListDeviceInstances" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON ListDeviceInstances where
  toJSON ListDeviceInstances' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("maxResults" Data..=) Prelude.<$> maxResults,
            ("nextToken" Data..=) Prelude.<$> nextToken
          ]
      )

instance Data.ToPath ListDeviceInstances where
  toPath = Prelude.const "/"

instance Data.ToQuery ListDeviceInstances where
  toQuery = Prelude.const Prelude.mempty

-- | /See:/ 'newListDeviceInstancesResponse' smart constructor.
data ListDeviceInstancesResponse = ListDeviceInstancesResponse'
  { -- | An object that contains information about your device instances.
    deviceInstances :: Prelude.Maybe [DeviceInstance],
    -- | An identifier that can be used in the next call to this operation to
    -- return the next set of items in the list.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListDeviceInstancesResponse' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'deviceInstances', 'listDeviceInstancesResponse_deviceInstances' - An object that contains information about your device instances.
--
-- 'nextToken', 'listDeviceInstancesResponse_nextToken' - An identifier that can be used in the next call to this operation to
-- return the next set of items in the list.
--
-- 'httpStatus', 'listDeviceInstancesResponse_httpStatus' - The response's http status code.
newListDeviceInstancesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListDeviceInstancesResponse
newListDeviceInstancesResponse pHttpStatus_ =
  ListDeviceInstancesResponse'
    { deviceInstances =
        Prelude.Nothing,
      nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | An object that contains information about your device instances.
listDeviceInstancesResponse_deviceInstances :: Lens.Lens' ListDeviceInstancesResponse (Prelude.Maybe [DeviceInstance])
listDeviceInstancesResponse_deviceInstances = Lens.lens (\ListDeviceInstancesResponse' {deviceInstances} -> deviceInstances) (\s@ListDeviceInstancesResponse' {} a -> s {deviceInstances = a} :: ListDeviceInstancesResponse) Prelude.. Lens.mapping Lens.coerced

-- | An identifier that can be used in the next call to this operation to
-- return the next set of items in the list.
listDeviceInstancesResponse_nextToken :: Lens.Lens' ListDeviceInstancesResponse (Prelude.Maybe Prelude.Text)
listDeviceInstancesResponse_nextToken = Lens.lens (\ListDeviceInstancesResponse' {nextToken} -> nextToken) (\s@ListDeviceInstancesResponse' {} a -> s {nextToken = a} :: ListDeviceInstancesResponse)

-- | The response's http status code.
listDeviceInstancesResponse_httpStatus :: Lens.Lens' ListDeviceInstancesResponse Prelude.Int
listDeviceInstancesResponse_httpStatus = Lens.lens (\ListDeviceInstancesResponse' {httpStatus} -> httpStatus) (\s@ListDeviceInstancesResponse' {} a -> s {httpStatus = a} :: ListDeviceInstancesResponse)

instance Prelude.NFData ListDeviceInstancesResponse where
  rnf ListDeviceInstancesResponse' {..} =
    Prelude.rnf deviceInstances
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus