{-# 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.IdentityStore.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)
--
-- Lists all users in the identity store. Returns a paginated list of
-- complete @User@ objects. Filtering for a @User@ by the @UserName@
-- attribute is deprecated. Instead, use the @GetUserId@ API action.
--
-- This operation returns paginated results.
module Amazonka.IdentityStore.ListUsers
  ( -- * Creating a Request
    ListUsers (..),
    newListUsers,

    -- * Request Lenses
    listUsers_filters,
    listUsers_maxResults,
    listUsers_nextToken,
    listUsers_identityStoreId,

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

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

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.IdentityStore.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'
  { -- | A list of @Filter@ objects, which is used in the @ListUsers@ and
    -- @ListGroups@ requests.
    filters :: Prelude.Maybe [Filter],
    -- | The maximum number of results to be returned per request. This parameter
    -- is used in the @ListUsers@ and @ListGroups@ requests to specify how many
    -- results to return in one page. The length limit is 50 characters.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | The pagination token used for the @ListUsers@ and @ListGroups@ API
    -- operations. This value is generated by the identity store service. It is
    -- returned in the API response if the total results are more than the size
    -- of one page. This token is also returned when it is used in the API
    -- request to search for the next page.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The globally unique identifier for the identity store, such as
    -- @d-1234567890@. In this example, @d-@ is a fixed prefix, and
    -- @1234567890@ is a randomly generated string that contains numbers and
    -- lower case letters. This value is generated at the time that a new
    -- identity store is created.
    identityStoreId :: Prelude.Text
  }
  deriving (Prelude.Eq, 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:
--
-- 'filters', 'listUsers_filters' - A list of @Filter@ objects, which is used in the @ListUsers@ and
-- @ListGroups@ requests.
--
-- 'maxResults', 'listUsers_maxResults' - The maximum number of results to be returned per request. This parameter
-- is used in the @ListUsers@ and @ListGroups@ requests to specify how many
-- results to return in one page. The length limit is 50 characters.
--
-- 'nextToken', 'listUsers_nextToken' - The pagination token used for the @ListUsers@ and @ListGroups@ API
-- operations. This value is generated by the identity store service. It is
-- returned in the API response if the total results are more than the size
-- of one page. This token is also returned when it is used in the API
-- request to search for the next page.
--
-- 'identityStoreId', 'listUsers_identityStoreId' - The globally unique identifier for the identity store, such as
-- @d-1234567890@. In this example, @d-@ is a fixed prefix, and
-- @1234567890@ is a randomly generated string that contains numbers and
-- lower case letters. This value is generated at the time that a new
-- identity store is created.
newListUsers ::
  -- | 'identityStoreId'
  Prelude.Text ->
  ListUsers
newListUsers pIdentityStoreId_ =
  ListUsers'
    { filters = Prelude.Nothing,
      maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      identityStoreId = pIdentityStoreId_
    }

-- | A list of @Filter@ objects, which is used in the @ListUsers@ and
-- @ListGroups@ requests.
listUsers_filters :: Lens.Lens' ListUsers (Prelude.Maybe [Filter])
listUsers_filters = Lens.lens (\ListUsers' {filters} -> filters) (\s@ListUsers' {} a -> s {filters = a} :: ListUsers) Prelude.. Lens.mapping Lens.coerced

-- | The maximum number of results to be returned per request. This parameter
-- is used in the @ListUsers@ and @ListGroups@ requests to specify how many
-- results to return in one page. The length limit is 50 characters.
listUsers_maxResults :: Lens.Lens' ListUsers (Prelude.Maybe Prelude.Natural)
listUsers_maxResults = Lens.lens (\ListUsers' {maxResults} -> maxResults) (\s@ListUsers' {} a -> s {maxResults = a} :: ListUsers)

-- | The pagination token used for the @ListUsers@ and @ListGroups@ API
-- operations. This value is generated by the identity store service. It is
-- returned in the API response if the total results are more than the size
-- of one page. This token is also returned when it is used in the API
-- request to search for the next page.
listUsers_nextToken :: Lens.Lens' ListUsers (Prelude.Maybe Prelude.Text)
listUsers_nextToken = Lens.lens (\ListUsers' {nextToken} -> nextToken) (\s@ListUsers' {} a -> s {nextToken = a} :: ListUsers)

-- | The globally unique identifier for the identity store, such as
-- @d-1234567890@. In this example, @d-@ is a fixed prefix, and
-- @1234567890@ is a randomly generated string that contains numbers and
-- lower case letters. This value is generated at the time that a new
-- identity store is created.
listUsers_identityStoreId :: Lens.Lens' ListUsers Prelude.Text
listUsers_identityStoreId = Lens.lens (\ListUsers' {identityStoreId} -> identityStoreId) (\s@ListUsers' {} a -> s {identityStoreId = 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_users) =
        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.postJSON (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          ListUsersResponse'
            Prelude.<$> (x Data..?> "NextToken")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
            Prelude.<*> (x Data..?> "Users" Core..!@ Prelude.mempty)
      )

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

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

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

instance Data.ToJSON ListUsers where
  toJSON ListUsers' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("Filters" Data..=) Prelude.<$> filters,
            ("MaxResults" Data..=) Prelude.<$> maxResults,
            ("NextToken" Data..=) Prelude.<$> nextToken,
            Prelude.Just
              ("IdentityStoreId" Data..= identityStoreId)
          ]
      )

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

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

-- | /See:/ 'newListUsersResponse' smart constructor.
data ListUsersResponse = ListUsersResponse'
  { -- | The pagination token used for the @ListUsers@ and @ListGroups@ API
    -- operations. This value is generated by the identity store service. It is
    -- returned in the API response if the total results are more than the size
    -- of one page. This token is also returned when it is used in the API
    -- request to search for the next page.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int,
    -- | A list of @User@ objects in the identity store.
    users :: [User]
  }
  deriving (Prelude.Eq, 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' - The pagination token used for the @ListUsers@ and @ListGroups@ API
-- operations. This value is generated by the identity store service. It is
-- returned in the API response if the total results are more than the size
-- of one page. This token is also returned when it is used in the API
-- request to search for the next page.
--
-- 'httpStatus', 'listUsersResponse_httpStatus' - The response's http status code.
--
-- 'users', 'listUsersResponse_users' - A list of @User@ objects in the identity store.
newListUsersResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListUsersResponse
newListUsersResponse pHttpStatus_ =
  ListUsersResponse'
    { nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_,
      users = Prelude.mempty
    }

-- | The pagination token used for the @ListUsers@ and @ListGroups@ API
-- operations. This value is generated by the identity store service. It is
-- returned in the API response if the total results are more than the size
-- of one page. This token is also returned when it is used in the API
-- request to search for the next page.
listUsersResponse_nextToken :: Lens.Lens' ListUsersResponse (Prelude.Maybe Prelude.Text)
listUsersResponse_nextToken = Lens.lens (\ListUsersResponse' {nextToken} -> nextToken) (\s@ListUsersResponse' {} a -> s {nextToken = a} :: ListUsersResponse)

-- | 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)

-- | A list of @User@ objects in the identity store.
listUsersResponse_users :: Lens.Lens' ListUsersResponse [User]
listUsersResponse_users = Lens.lens (\ListUsersResponse' {users} -> users) (\s@ListUsersResponse' {} a -> s {users = a} :: ListUsersResponse) Prelude.. Lens.coerced

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