{-# 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.MQ.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)
--
-- Returns a list of all ActiveMQ users.
module Amazonka.MQ.ListUsers
  ( -- * Creating a Request
    ListUsers (..),
    newListUsers,

    -- * Request Lenses
    listUsers_maxResults,
    listUsers_nextToken,
    listUsers_brokerId,

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

    -- * Response Lenses
    listUsersResponse_brokerId,
    listUsersResponse_maxResults,
    listUsersResponse_nextToken,
    listUsersResponse_users,
    listUsersResponse_httpStatus,
  )
where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.MQ.Types
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 brokers that Amazon MQ can return per page (20 by
    -- default). This value must be an integer from 5 to 100.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | The token that specifies the next page of results Amazon MQ should
    -- return. To request the first page, leave nextToken empty.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The unique ID that Amazon MQ generates for the broker.
    brokerId :: 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 brokers that Amazon MQ can return per page (20 by
-- default). This value must be an integer from 5 to 100.
--
-- 'nextToken', 'listUsers_nextToken' - The token that specifies the next page of results Amazon MQ should
-- return. To request the first page, leave nextToken empty.
--
-- 'brokerId', 'listUsers_brokerId' - The unique ID that Amazon MQ generates for the broker.
newListUsers ::
  -- | 'brokerId'
  Prelude.Text ->
  ListUsers
newListUsers pBrokerId_ =
  ListUsers'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      brokerId = pBrokerId_
    }

-- | The maximum number of brokers that Amazon MQ can return per page (20 by
-- default). This value must be an integer from 5 to 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 that specifies the next page of results Amazon MQ should
-- return. To request the first page, leave nextToken empty.
listUsers_nextToken :: Lens.Lens' ListUsers (Prelude.Maybe Prelude.Text)
listUsers_nextToken = Lens.lens (\ListUsers' {nextToken} -> nextToken) (\s@ListUsers' {} a -> s {nextToken = a} :: ListUsers)

-- | The unique ID that Amazon MQ generates for the broker.
listUsers_brokerId :: Lens.Lens' ListUsers Prelude.Text
listUsers_brokerId = Lens.lens (\ListUsers' {brokerId} -> brokerId) (\s@ListUsers' {} a -> s {brokerId = a} :: ListUsers)

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..?> "brokerId")
            Prelude.<*> (x Data..?> "maxResults")
            Prelude.<*> (x Data..?> "nextToken")
            Prelude.<*> (x Data..?> "users" 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` brokerId

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

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
      ["/v1/brokers/", Data.toBS brokerId, "/users"]

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

-- | /See:/ 'newListUsersResponse' smart constructor.
data ListUsersResponse = ListUsersResponse'
  { -- | Required. The unique ID that Amazon MQ generates for the broker.
    brokerId :: Prelude.Maybe Prelude.Text,
    -- | Required. The maximum number of ActiveMQ users that can be returned per
    -- page (20 by default). This value must be an integer from 5 to 100.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | The token that specifies the next page of results Amazon MQ should
    -- return. To request the first page, leave nextToken empty.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | Required. The list of all ActiveMQ usernames for the specified broker.
    -- Does not apply to RabbitMQ brokers.
    users :: 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:
--
-- 'brokerId', 'listUsersResponse_brokerId' - Required. The unique ID that Amazon MQ generates for the broker.
--
-- 'maxResults', 'listUsersResponse_maxResults' - Required. The maximum number of ActiveMQ users that can be returned per
-- page (20 by default). This value must be an integer from 5 to 100.
--
-- 'nextToken', 'listUsersResponse_nextToken' - The token that specifies the next page of results Amazon MQ should
-- return. To request the first page, leave nextToken empty.
--
-- 'users', 'listUsersResponse_users' - Required. The list of all ActiveMQ usernames for the specified broker.
-- Does not apply to RabbitMQ brokers.
--
-- 'httpStatus', 'listUsersResponse_httpStatus' - The response's http status code.
newListUsersResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListUsersResponse
newListUsersResponse pHttpStatus_ =
  ListUsersResponse'
    { brokerId = Prelude.Nothing,
      maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      users = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | Required. The unique ID that Amazon MQ generates for the broker.
listUsersResponse_brokerId :: Lens.Lens' ListUsersResponse (Prelude.Maybe Prelude.Text)
listUsersResponse_brokerId = Lens.lens (\ListUsersResponse' {brokerId} -> brokerId) (\s@ListUsersResponse' {} a -> s {brokerId = a} :: ListUsersResponse)

-- | Required. The maximum number of ActiveMQ users that can be returned per
-- page (20 by default). This value must be an integer from 5 to 100.
listUsersResponse_maxResults :: Lens.Lens' ListUsersResponse (Prelude.Maybe Prelude.Natural)
listUsersResponse_maxResults = Lens.lens (\ListUsersResponse' {maxResults} -> maxResults) (\s@ListUsersResponse' {} a -> s {maxResults = a} :: ListUsersResponse)

-- | The token that specifies the next page of results Amazon MQ should
-- return. To request the first page, leave nextToken empty.
listUsersResponse_nextToken :: Lens.Lens' ListUsersResponse (Prelude.Maybe Prelude.Text)
listUsersResponse_nextToken = Lens.lens (\ListUsersResponse' {nextToken} -> nextToken) (\s@ListUsersResponse' {} a -> s {nextToken = a} :: ListUsersResponse)

-- | Required. The list of all ActiveMQ usernames for the specified broker.
-- Does not apply to RabbitMQ brokers.
listUsersResponse_users :: Lens.Lens' ListUsersResponse (Prelude.Maybe [UserSummary])
listUsersResponse_users = Lens.lens (\ListUsersResponse' {users} -> users) (\s@ListUsersResponse' {} a -> s {users = 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 brokerId
      `Prelude.seq` Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf users
      `Prelude.seq` Prelude.rnf httpStatus