{-# 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.Location.ListDevicePositions
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- A batch request to retrieve all device positions.
--
-- This operation returns paginated results.
module Amazonka.Location.ListDevicePositions
  ( -- * Creating a Request
    ListDevicePositions (..),
    newListDevicePositions,

    -- * Request Lenses
    listDevicePositions_maxResults,
    listDevicePositions_nextToken,
    listDevicePositions_trackerName,

    -- * Destructuring the Response
    ListDevicePositionsResponse (..),
    newListDevicePositionsResponse,

    -- * Response Lenses
    listDevicePositionsResponse_nextToken,
    listDevicePositionsResponse_httpStatus,
    listDevicePositionsResponse_entries,
  )
where

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

-- | /See:/ 'newListDevicePositions' smart constructor.
data ListDevicePositions = ListDevicePositions'
  { -- | An optional limit for the number of entries returned in a single call.
    --
    -- Default value: @100@
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | The pagination token specifying which page of results to return in the
    -- response. If no token is provided, the default page is the first page.
    --
    -- Default value: @null@
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The tracker resource containing the requested devices.
    trackerName :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListDevicePositions' 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', 'listDevicePositions_maxResults' - An optional limit for the number of entries returned in a single call.
--
-- Default value: @100@
--
-- 'nextToken', 'listDevicePositions_nextToken' - The pagination token specifying which page of results to return in the
-- response. If no token is provided, the default page is the first page.
--
-- Default value: @null@
--
-- 'trackerName', 'listDevicePositions_trackerName' - The tracker resource containing the requested devices.
newListDevicePositions ::
  -- | 'trackerName'
  Prelude.Text ->
  ListDevicePositions
newListDevicePositions pTrackerName_ =
  ListDevicePositions'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      trackerName = pTrackerName_
    }

-- | An optional limit for the number of entries returned in a single call.
--
-- Default value: @100@
listDevicePositions_maxResults :: Lens.Lens' ListDevicePositions (Prelude.Maybe Prelude.Natural)
listDevicePositions_maxResults = Lens.lens (\ListDevicePositions' {maxResults} -> maxResults) (\s@ListDevicePositions' {} a -> s {maxResults = a} :: ListDevicePositions)

-- | The pagination token specifying which page of results to return in the
-- response. If no token is provided, the default page is the first page.
--
-- Default value: @null@
listDevicePositions_nextToken :: Lens.Lens' ListDevicePositions (Prelude.Maybe Prelude.Text)
listDevicePositions_nextToken = Lens.lens (\ListDevicePositions' {nextToken} -> nextToken) (\s@ListDevicePositions' {} a -> s {nextToken = a} :: ListDevicePositions)

-- | The tracker resource containing the requested devices.
listDevicePositions_trackerName :: Lens.Lens' ListDevicePositions Prelude.Text
listDevicePositions_trackerName = Lens.lens (\ListDevicePositions' {trackerName} -> trackerName) (\s@ListDevicePositions' {} a -> s {trackerName = a} :: ListDevicePositions)

instance Core.AWSPager ListDevicePositions where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listDevicePositionsResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        (rs Lens.^. listDevicePositionsResponse_entries) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listDevicePositions_nextToken
          Lens..~ rs
          Lens.^? listDevicePositionsResponse_nextToken
          Prelude.. Lens._Just

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

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

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

instance Data.ToHeaders ListDevicePositions where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

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

instance Data.ToPath ListDevicePositions where
  toPath ListDevicePositions' {..} =
    Prelude.mconcat
      [ "/tracking/v0/trackers/",
        Data.toBS trackerName,
        "/list-positions"
      ]

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

-- | /See:/ 'newListDevicePositionsResponse' smart constructor.
data ListDevicePositionsResponse = ListDevicePositionsResponse'
  { -- | A pagination token indicating there are additional pages available. You
    -- can use the token in a following request to fetch the next set of
    -- results.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int,
    -- | Contains details about each device\'s last known position. These details
    -- includes the device ID, the time when the position was sampled on the
    -- device, the time that the service received the update, and the most
    -- recent coordinates.
    entries :: [ListDevicePositionsResponseEntry]
  }
  deriving (Prelude.Eq, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListDevicePositionsResponse' 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:
--
-- 'nextToken', 'listDevicePositionsResponse_nextToken' - A pagination token indicating there are additional pages available. You
-- can use the token in a following request to fetch the next set of
-- results.
--
-- 'httpStatus', 'listDevicePositionsResponse_httpStatus' - The response's http status code.
--
-- 'entries', 'listDevicePositionsResponse_entries' - Contains details about each device\'s last known position. These details
-- includes the device ID, the time when the position was sampled on the
-- device, the time that the service received the update, and the most
-- recent coordinates.
newListDevicePositionsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListDevicePositionsResponse
newListDevicePositionsResponse pHttpStatus_ =
  ListDevicePositionsResponse'
    { nextToken =
        Prelude.Nothing,
      httpStatus = pHttpStatus_,
      entries = Prelude.mempty
    }

-- | A pagination token indicating there are additional pages available. You
-- can use the token in a following request to fetch the next set of
-- results.
listDevicePositionsResponse_nextToken :: Lens.Lens' ListDevicePositionsResponse (Prelude.Maybe Prelude.Text)
listDevicePositionsResponse_nextToken = Lens.lens (\ListDevicePositionsResponse' {nextToken} -> nextToken) (\s@ListDevicePositionsResponse' {} a -> s {nextToken = a} :: ListDevicePositionsResponse)

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

-- | Contains details about each device\'s last known position. These details
-- includes the device ID, the time when the position was sampled on the
-- device, the time that the service received the update, and the most
-- recent coordinates.
listDevicePositionsResponse_entries :: Lens.Lens' ListDevicePositionsResponse [ListDevicePositionsResponseEntry]
listDevicePositionsResponse_entries = Lens.lens (\ListDevicePositionsResponse' {entries} -> entries) (\s@ListDevicePositionsResponse' {} a -> s {entries = a} :: ListDevicePositionsResponse) Prelude.. Lens.coerced

instance Prelude.NFData ListDevicePositionsResponse where
  rnf ListDevicePositionsResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus
      `Prelude.seq` Prelude.rnf entries