{-# 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.ListGroups
-- 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 groups associated with a user pool.
--
-- Calling this action requires developer credentials.
--
-- This operation returns paginated results.
module Amazonka.CognitoIdentityProvider.ListGroups
  ( -- * Creating a Request
    ListGroups (..),
    newListGroups,

    -- * Request Lenses
    listGroups_limit,
    listGroups_nextToken,
    listGroups_userPoolId,

    -- * Destructuring the Response
    ListGroupsResponse (..),
    newListGroupsResponse,

    -- * Response Lenses
    listGroupsResponse_groups,
    listGroupsResponse_nextToken,
    listGroupsResponse_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:/ 'newListGroups' smart constructor.
data ListGroups = ListGroups'
  { -- | The limit of the request to list groups.
    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
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListGroups' 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', 'listGroups_limit' - The limit of the request to list groups.
--
-- 'nextToken', 'listGroups_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', 'listGroups_userPoolId' - The user pool ID for the user pool.
newListGroups ::
  -- | 'userPoolId'
  Prelude.Text ->
  ListGroups
newListGroups pUserPoolId_ =
  ListGroups'
    { limit = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      userPoolId = pUserPoolId_
    }

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

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

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

instance Core.AWSPager ListGroups where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listGroupsResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listGroupsResponse_groups
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listGroups_nextToken
          Lens..~ rs
          Lens.^? listGroupsResponse_nextToken
          Prelude.. Lens._Just

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

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

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

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

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

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

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

-- | /See:/ 'newListGroupsResponse' smart constructor.
data ListGroupsResponse = ListGroupsResponse'
  { -- | The group objects for the groups.
    groups :: Prelude.Maybe [GroupType],
    -- | 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 response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListGroupsResponse' 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:
--
-- 'groups', 'listGroupsResponse_groups' - The group objects for the groups.
--
-- 'nextToken', 'listGroupsResponse_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.
--
-- 'httpStatus', 'listGroupsResponse_httpStatus' - The response's http status code.
newListGroupsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListGroupsResponse
newListGroupsResponse pHttpStatus_ =
  ListGroupsResponse'
    { groups = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The group objects for the groups.
listGroupsResponse_groups :: Lens.Lens' ListGroupsResponse (Prelude.Maybe [GroupType])
listGroupsResponse_groups = Lens.lens (\ListGroupsResponse' {groups} -> groups) (\s@ListGroupsResponse' {} a -> s {groups = a} :: ListGroupsResponse) Prelude.. Lens.mapping Lens.coerced

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

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

instance Prelude.NFData ListGroupsResponse where
  rnf ListGroupsResponse' {..} =
    Prelude.rnf groups
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus