{-# 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.CloudWatchLogs.DescribeResourcePolicies
-- 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 resource policies in this account.
--
-- This operation returns paginated results.
module Amazonka.CloudWatchLogs.DescribeResourcePolicies
  ( -- * Creating a Request
    DescribeResourcePolicies (..),
    newDescribeResourcePolicies,

    -- * Request Lenses
    describeResourcePolicies_limit,
    describeResourcePolicies_nextToken,

    -- * Destructuring the Response
    DescribeResourcePoliciesResponse (..),
    newDescribeResourcePoliciesResponse,

    -- * Response Lenses
    describeResourcePoliciesResponse_nextToken,
    describeResourcePoliciesResponse_resourcePolicies,
    describeResourcePoliciesResponse_httpStatus,
  )
where

import Amazonka.CloudWatchLogs.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:/ 'newDescribeResourcePolicies' smart constructor.
data DescribeResourcePolicies = DescribeResourcePolicies'
  { -- | The maximum number of resource policies to be displayed with one call of
    -- this API.
    limit :: Prelude.Maybe Prelude.Natural,
    nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeResourcePolicies' 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', 'describeResourcePolicies_limit' - The maximum number of resource policies to be displayed with one call of
-- this API.
--
-- 'nextToken', 'describeResourcePolicies_nextToken' - Undocumented member.
newDescribeResourcePolicies ::
  DescribeResourcePolicies
newDescribeResourcePolicies =
  DescribeResourcePolicies'
    { limit = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | The maximum number of resource policies to be displayed with one call of
-- this API.
describeResourcePolicies_limit :: Lens.Lens' DescribeResourcePolicies (Prelude.Maybe Prelude.Natural)
describeResourcePolicies_limit = Lens.lens (\DescribeResourcePolicies' {limit} -> limit) (\s@DescribeResourcePolicies' {} a -> s {limit = a} :: DescribeResourcePolicies)

-- | Undocumented member.
describeResourcePolicies_nextToken :: Lens.Lens' DescribeResourcePolicies (Prelude.Maybe Prelude.Text)
describeResourcePolicies_nextToken = Lens.lens (\DescribeResourcePolicies' {nextToken} -> nextToken) (\s@DescribeResourcePolicies' {} a -> s {nextToken = a} :: DescribeResourcePolicies)

instance Core.AWSPager DescribeResourcePolicies where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? describeResourcePoliciesResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? describeResourcePoliciesResponse_resourcePolicies
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& describeResourcePolicies_nextToken
          Lens..~ rs
          Lens.^? describeResourcePoliciesResponse_nextToken
          Prelude.. Lens._Just

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

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

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

instance Data.ToHeaders DescribeResourcePolicies where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "Logs_20140328.DescribeResourcePolicies" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON DescribeResourcePolicies where
  toJSON DescribeResourcePolicies' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("limit" Data..=) Prelude.<$> limit,
            ("nextToken" Data..=) Prelude.<$> nextToken
          ]
      )

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

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

-- | /See:/ 'newDescribeResourcePoliciesResponse' smart constructor.
data DescribeResourcePoliciesResponse = DescribeResourcePoliciesResponse'
  { nextToken :: Prelude.Maybe Prelude.Text,
    -- | The resource policies that exist in this account.
    resourcePolicies :: Prelude.Maybe [ResourcePolicy],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeResourcePoliciesResponse' 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', 'describeResourcePoliciesResponse_nextToken' - Undocumented member.
--
-- 'resourcePolicies', 'describeResourcePoliciesResponse_resourcePolicies' - The resource policies that exist in this account.
--
-- 'httpStatus', 'describeResourcePoliciesResponse_httpStatus' - The response's http status code.
newDescribeResourcePoliciesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeResourcePoliciesResponse
newDescribeResourcePoliciesResponse pHttpStatus_ =
  DescribeResourcePoliciesResponse'
    { nextToken =
        Prelude.Nothing,
      resourcePolicies = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | Undocumented member.
describeResourcePoliciesResponse_nextToken :: Lens.Lens' DescribeResourcePoliciesResponse (Prelude.Maybe Prelude.Text)
describeResourcePoliciesResponse_nextToken = Lens.lens (\DescribeResourcePoliciesResponse' {nextToken} -> nextToken) (\s@DescribeResourcePoliciesResponse' {} a -> s {nextToken = a} :: DescribeResourcePoliciesResponse)

-- | The resource policies that exist in this account.
describeResourcePoliciesResponse_resourcePolicies :: Lens.Lens' DescribeResourcePoliciesResponse (Prelude.Maybe [ResourcePolicy])
describeResourcePoliciesResponse_resourcePolicies = Lens.lens (\DescribeResourcePoliciesResponse' {resourcePolicies} -> resourcePolicies) (\s@DescribeResourcePoliciesResponse' {} a -> s {resourcePolicies = a} :: DescribeResourcePoliciesResponse) Prelude.. Lens.mapping Lens.coerced

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

instance
  Prelude.NFData
    DescribeResourcePoliciesResponse
  where
  rnf DescribeResourcePoliciesResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf resourcePolicies
      `Prelude.seq` Prelude.rnf httpStatus