{-# 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.CognitoIdentityProvider.ListUsersInGroup
-- 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 the users in the specified group.
--
-- Calling this action requires developer credentials.
--
-- This operation returns paginated results.
module Amazonka.CognitoIdentityProvider.ListUsersInGroup
  ( -- * Creating a Request
    ListUsersInGroup (..),
    newListUsersInGroup,

    -- * Request Lenses
    listUsersInGroup_limit,
    listUsersInGroup_nextToken,
    listUsersInGroup_userPoolId,
    listUsersInGroup_groupName,

    -- * Destructuring the Response
    ListUsersInGroupResponse (..),
    newListUsersInGroupResponse,

    -- * Response Lenses
    listUsersInGroupResponse_nextToken,
    listUsersInGroupResponse_users,
    listUsersInGroupResponse_httpStatus,
  )
where

import Amazonka.CognitoIdentityProvider.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:/ 'newListUsersInGroup' smart constructor.
data ListUsersInGroup = ListUsersInGroup'
  { -- | The limit of the request to list users.
    limit :: Prelude.Maybe Prelude.Natural,
    -- | 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,
    -- | The user pool ID for the user pool.
    userPoolId :: Prelude.Text,
    -- | The name of the group.
    groupName :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListUsersInGroup' 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:
--
-- 'limit', 'listUsersInGroup_limit' - The limit of the request to list users.
--
-- 'nextToken', 'listUsersInGroup_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.
--
-- 'userPoolId', 'listUsersInGroup_userPoolId' - The user pool ID for the user pool.
--
-- 'groupName', 'listUsersInGroup_groupName' - The name of the group.
newListUsersInGroup ::
  -- | 'userPoolId'
  Prelude.Text ->
  -- | 'groupName'
  Prelude.Text ->
  ListUsersInGroup
newListUsersInGroup pUserPoolId_ pGroupName_ =
  ListUsersInGroup'
    { limit = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      userPoolId = pUserPoolId_,
      groupName = pGroupName_
    }

-- | The limit of the request to list users.
listUsersInGroup_limit :: Lens.Lens' ListUsersInGroup (Prelude.Maybe Prelude.Natural)
listUsersInGroup_limit = Lens.lens (\ListUsersInGroup' {limit} -> limit) (\s@ListUsersInGroup' {} a -> s {limit = a} :: ListUsersInGroup)

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

-- | The user pool ID for the user pool.
listUsersInGroup_userPoolId :: Lens.Lens' ListUsersInGroup Prelude.Text
listUsersInGroup_userPoolId = Lens.lens (\ListUsersInGroup' {userPoolId} -> userPoolId) (\s@ListUsersInGroup' {} a -> s {userPoolId = a} :: ListUsersInGroup)

-- | The name of the group.
listUsersInGroup_groupName :: Lens.Lens' ListUsersInGroup Prelude.Text
listUsersInGroup_groupName = Lens.lens (\ListUsersInGroup' {groupName} -> groupName) (\s@ListUsersInGroup' {} a -> s {groupName = a} :: ListUsersInGroup)

instance Core.AWSPager ListUsersInGroup where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listUsersInGroupResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listUsersInGroupResponse_users
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listUsersInGroup_nextToken
          Lens..~ rs
          Lens.^? listUsersInGroupResponse_nextToken
          Prelude.. Lens._Just

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

instance Prelude.Hashable ListUsersInGroup where
  hashWithSalt _salt ListUsersInGroup' {..} =
    _salt
      `Prelude.hashWithSalt` limit
      `Prelude.hashWithSalt` nextToken
      `Prelude.hashWithSalt` userPoolId
      `Prelude.hashWithSalt` groupName

instance Prelude.NFData ListUsersInGroup where
  rnf ListUsersInGroup' {..} =
    Prelude.rnf limit
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf userPoolId
      `Prelude.seq` Prelude.rnf groupName

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

instance Data.ToJSON ListUsersInGroup where
  toJSON ListUsersInGroup' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("Limit" Data..=) Prelude.<$> limit,
            ("NextToken" Data..=) Prelude.<$> nextToken,
            Prelude.Just ("UserPoolId" Data..= userPoolId),
            Prelude.Just ("GroupName" Data..= groupName)
          ]
      )

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

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

-- | /See:/ 'newListUsersInGroupResponse' smart constructor.
data ListUsersInGroupResponse = ListUsersInGroupResponse'
  { -- | An identifier that you can use in a later request to return the next set
    -- of items in the list.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The users returned in the request to list users.
    users :: Prelude.Maybe [UserType],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListUsersInGroupResponse' 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', 'listUsersInGroupResponse_nextToken' - An identifier that you can use in a later request to return the next set
-- of items in the list.
--
-- 'users', 'listUsersInGroupResponse_users' - The users returned in the request to list users.
--
-- 'httpStatus', 'listUsersInGroupResponse_httpStatus' - The response's http status code.
newListUsersInGroupResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListUsersInGroupResponse
newListUsersInGroupResponse pHttpStatus_ =
  ListUsersInGroupResponse'
    { nextToken =
        Prelude.Nothing,
      users = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | An identifier that you can use in a later request to return the next set
-- of items in the list.
listUsersInGroupResponse_nextToken :: Lens.Lens' ListUsersInGroupResponse (Prelude.Maybe Prelude.Text)
listUsersInGroupResponse_nextToken = Lens.lens (\ListUsersInGroupResponse' {nextToken} -> nextToken) (\s@ListUsersInGroupResponse' {} a -> s {nextToken = a} :: ListUsersInGroupResponse)

-- | The users returned in the request to list users.
listUsersInGroupResponse_users :: Lens.Lens' ListUsersInGroupResponse (Prelude.Maybe [UserType])
listUsersInGroupResponse_users = Lens.lens (\ListUsersInGroupResponse' {users} -> users) (\s@ListUsersInGroupResponse' {} a -> s {users = a} :: ListUsersInGroupResponse) Prelude.. Lens.mapping Lens.coerced

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

instance Prelude.NFData ListUsersInGroupResponse where
  rnf ListUsersInGroupResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf users
      `Prelude.seq` Prelude.rnf httpStatus