{-# 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.ListMaps
-- 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 map resources in your AWS account.
--
-- This operation returns paginated results.
module Amazonka.Location.ListMaps
  ( -- * Creating a Request
    ListMaps (..),
    newListMaps,

    -- * Request Lenses
    listMaps_maxResults,
    listMaps_nextToken,

    -- * Destructuring the Response
    ListMapsResponse (..),
    newListMapsResponse,

    -- * Response Lenses
    listMapsResponse_nextToken,
    listMapsResponse_httpStatus,
    listMapsResponse_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:/ 'newListMaps' smart constructor.
data ListMaps = ListMaps'
  { -- | An optional limit for the number of resources 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
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListMaps' 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', 'listMaps_maxResults' - An optional limit for the number of resources returned in a single call.
--
-- Default value: @100@
--
-- 'nextToken', 'listMaps_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@
newListMaps ::
  ListMaps
newListMaps =
  ListMaps'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

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

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

instance Core.AWSPager ListMaps where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listMapsResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop (rs Lens.^. listMapsResponse_entries) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listMaps_nextToken
          Lens..~ rs
          Lens.^? listMapsResponse_nextToken
          Prelude.. Lens._Just

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

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

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

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

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

instance Data.ToPath ListMaps where
  toPath = Prelude.const "/maps/v0/list-maps"

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

-- | /See:/ 'newListMapsResponse' smart constructor.
data ListMapsResponse = ListMapsResponse'
  { -- | 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 maps in your AWS account
    entries :: [ListMapsResponseEntry]
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListMapsResponse' 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', 'listMapsResponse_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', 'listMapsResponse_httpStatus' - The response's http status code.
--
-- 'entries', 'listMapsResponse_entries' - Contains a list of maps in your AWS account
newListMapsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListMapsResponse
newListMapsResponse pHttpStatus_ =
  ListMapsResponse'
    { 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.
listMapsResponse_nextToken :: Lens.Lens' ListMapsResponse (Prelude.Maybe Prelude.Text)
listMapsResponse_nextToken = Lens.lens (\ListMapsResponse' {nextToken} -> nextToken) (\s@ListMapsResponse' {} a -> s {nextToken = a} :: ListMapsResponse)

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

-- | Contains a list of maps in your AWS account
listMapsResponse_entries :: Lens.Lens' ListMapsResponse [ListMapsResponseEntry]
listMapsResponse_entries = Lens.lens (\ListMapsResponse' {entries} -> entries) (\s@ListMapsResponse' {} a -> s {entries = a} :: ListMapsResponse) Prelude.. Lens.coerced

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