{-# 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.Connect.ListUsers
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Provides summary information about the users for the specified Amazon
-- Connect instance.
--
-- This operation returns paginated results.
module Amazonka.Connect.ListUsers
  ( -- * Creating a Request
    ListUsers (..),
    newListUsers,

    -- * Request Lenses
    listUsers_maxResults,
    listUsers_nextToken,
    listUsers_instanceId,

    -- * Destructuring the Response
    ListUsersResponse (..),
    newListUsersResponse,

    -- * Response Lenses
    listUsersResponse_nextToken,
    listUsersResponse_userSummaryList,
    listUsersResponse_httpStatus,
  )
where

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

-- | /See:/ 'newListUsers' smart constructor.
data ListUsers = ListUsers'
  { -- | The maximum number of results to return per page. The default MaxResult
    -- size is 100.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | The token for the next set of results. Use the value returned in the
    -- previous response in the next request to retrieve the next set of
    -- results.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The identifier of the Amazon Connect instance. You can find the
    -- instanceId in the ARN of the instance.
    instanceId :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListUsers' 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', 'listUsers_maxResults' - The maximum number of results to return per page. The default MaxResult
-- size is 100.
--
-- 'nextToken', 'listUsers_nextToken' - The token for the next set of results. Use the value returned in the
-- previous response in the next request to retrieve the next set of
-- results.
--
-- 'instanceId', 'listUsers_instanceId' - The identifier of the Amazon Connect instance. You can find the
-- instanceId in the ARN of the instance.
newListUsers ::
  -- | 'instanceId'
  Prelude.Text ->
  ListUsers
newListUsers pInstanceId_ =
  ListUsers'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      instanceId = pInstanceId_
    }

-- | The maximum number of results to return per page. The default MaxResult
-- size is 100.
listUsers_maxResults :: Lens.Lens' ListUsers (Prelude.Maybe Prelude.Natural)
listUsers_maxResults = Lens.lens (\ListUsers' {maxResults} -> maxResults) (\s@ListUsers' {} a -> s {maxResults = a} :: ListUsers)

-- | The token for the next set of results. Use the value returned in the
-- previous response in the next request to retrieve the next set of
-- results.
listUsers_nextToken :: Lens.Lens' ListUsers (Prelude.Maybe Prelude.Text)
listUsers_nextToken = Lens.lens (\ListUsers' {nextToken} -> nextToken) (\s@ListUsers' {} a -> s {nextToken = a} :: ListUsers)

-- | The identifier of the Amazon Connect instance. You can find the
-- instanceId in the ARN of the instance.
listUsers_instanceId :: Lens.Lens' ListUsers Prelude.Text
listUsers_instanceId = Lens.lens (\ListUsers' {instanceId} -> instanceId) (\s@ListUsers' {} a -> s {instanceId = a} :: ListUsers)

instance Core.AWSPager ListUsers where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listUsersResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listUsersResponse_userSummaryList
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listUsers_nextToken
          Lens..~ rs
          Lens.^? listUsersResponse_nextToken
          Prelude.. Lens._Just

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

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

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

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

instance Data.ToPath ListUsers where
  toPath ListUsers' {..} =
    Prelude.mconcat
      ["/users-summary/", Data.toBS instanceId]

instance Data.ToQuery ListUsers where
  toQuery ListUsers' {..} =
    Prelude.mconcat
      [ "maxResults" Data.=: maxResults,
        "nextToken" Data.=: nextToken
      ]

-- | /See:/ 'newListUsersResponse' smart constructor.
data ListUsersResponse = ListUsersResponse'
  { -- | If there are additional results, this is the token for the next set of
    -- results.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | Information about the users.
    userSummaryList :: Prelude.Maybe [UserSummary],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListUsersResponse' 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', 'listUsersResponse_nextToken' - If there are additional results, this is the token for the next set of
-- results.
--
-- 'userSummaryList', 'listUsersResponse_userSummaryList' - Information about the users.
--
-- 'httpStatus', 'listUsersResponse_httpStatus' - The response's http status code.
newListUsersResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListUsersResponse
newListUsersResponse pHttpStatus_ =
  ListUsersResponse'
    { nextToken = Prelude.Nothing,
      userSummaryList = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | If there are additional results, this is the token for the next set of
-- results.
listUsersResponse_nextToken :: Lens.Lens' ListUsersResponse (Prelude.Maybe Prelude.Text)
listUsersResponse_nextToken = Lens.lens (\ListUsersResponse' {nextToken} -> nextToken) (\s@ListUsersResponse' {} a -> s {nextToken = a} :: ListUsersResponse)

-- | Information about the users.
listUsersResponse_userSummaryList :: Lens.Lens' ListUsersResponse (Prelude.Maybe [UserSummary])
listUsersResponse_userSummaryList = Lens.lens (\ListUsersResponse' {userSummaryList} -> userSummaryList) (\s@ListUsersResponse' {} a -> s {userSummaryList = a} :: ListUsersResponse) Prelude.. Lens.mapping Lens.coerced

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

instance Prelude.NFData ListUsersResponse where
  rnf ListUsersResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf userSummaryList
      `Prelude.seq` Prelude.rnf httpStatus