{-# 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.ListGeofences
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Lists geofences stored in a given geofence collection.
--
-- This operation returns paginated results.
module Amazonka.Location.ListGeofences
  ( -- * Creating a Request
    ListGeofences (..),
    newListGeofences,

    -- * Request Lenses
    listGeofences_maxResults,
    listGeofences_nextToken,
    listGeofences_collectionName,

    -- * Destructuring the Response
    ListGeofencesResponse (..),
    newListGeofencesResponse,

    -- * Response Lenses
    listGeofencesResponse_nextToken,
    listGeofencesResponse_httpStatus,
    listGeofencesResponse_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:/ 'newListGeofences' smart constructor.
data ListGeofences = ListGeofences'
  { -- | An optional limit for the number of geofences 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 name of the geofence collection storing the list of geofences.
    collectionName :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListGeofences' 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', 'listGeofences_maxResults' - An optional limit for the number of geofences returned in a single call.
--
-- Default value: @100@
--
-- 'nextToken', 'listGeofences_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@
--
-- 'collectionName', 'listGeofences_collectionName' - The name of the geofence collection storing the list of geofences.
newListGeofences ::
  -- | 'collectionName'
  Prelude.Text ->
  ListGeofences
newListGeofences pCollectionName_ =
  ListGeofences'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      collectionName = pCollectionName_
    }

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

-- | 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@
listGeofences_nextToken :: Lens.Lens' ListGeofences (Prelude.Maybe Prelude.Text)
listGeofences_nextToken = Lens.lens (\ListGeofences' {nextToken} -> nextToken) (\s@ListGeofences' {} a -> s {nextToken = a} :: ListGeofences)

-- | The name of the geofence collection storing the list of geofences.
listGeofences_collectionName :: Lens.Lens' ListGeofences Prelude.Text
listGeofences_collectionName = Lens.lens (\ListGeofences' {collectionName} -> collectionName) (\s@ListGeofences' {} a -> s {collectionName = a} :: ListGeofences)

instance Core.AWSPager ListGeofences where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listGeofencesResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        (rs Lens.^. listGeofencesResponse_entries) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listGeofences_nextToken
          Lens..~ rs
          Lens.^? listGeofencesResponse_nextToken
          Prelude.. Lens._Just

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

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

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

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

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

instance Data.ToPath ListGeofences where
  toPath ListGeofences' {..} =
    Prelude.mconcat
      [ "/geofencing/v0/collections/",
        Data.toBS collectionName,
        "/list-geofences"
      ]

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

-- | /See:/ 'newListGeofencesResponse' smart constructor.
data ListGeofencesResponse = ListGeofencesResponse'
  { -- | 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 a list of geofences stored in the geofence collection.
    entries :: [ListGeofenceResponseEntry]
  }
  deriving (Prelude.Eq, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListGeofencesResponse' 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', 'listGeofencesResponse_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', 'listGeofencesResponse_httpStatus' - The response's http status code.
--
-- 'entries', 'listGeofencesResponse_entries' - Contains a list of geofences stored in the geofence collection.
newListGeofencesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListGeofencesResponse
newListGeofencesResponse pHttpStatus_ =
  ListGeofencesResponse'
    { 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.
listGeofencesResponse_nextToken :: Lens.Lens' ListGeofencesResponse (Prelude.Maybe Prelude.Text)
listGeofencesResponse_nextToken = Lens.lens (\ListGeofencesResponse' {nextToken} -> nextToken) (\s@ListGeofencesResponse' {} a -> s {nextToken = a} :: ListGeofencesResponse)

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

-- | Contains a list of geofences stored in the geofence collection.
listGeofencesResponse_entries :: Lens.Lens' ListGeofencesResponse [ListGeofenceResponseEntry]
listGeofencesResponse_entries = Lens.lens (\ListGeofencesResponse' {entries} -> entries) (\s@ListGeofencesResponse' {} a -> s {entries = a} :: ListGeofencesResponse) Prelude.. Lens.coerced

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