{-# 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.Redshift.DescribeEndpointAuthorization
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Describes an endpoint authorization.
--
-- This operation returns paginated results.
module Amazonka.Redshift.DescribeEndpointAuthorization
  ( -- * Creating a Request
    DescribeEndpointAuthorization (..),
    newDescribeEndpointAuthorization,

    -- * Request Lenses
    describeEndpointAuthorization_account,
    describeEndpointAuthorization_clusterIdentifier,
    describeEndpointAuthorization_grantee,
    describeEndpointAuthorization_marker,
    describeEndpointAuthorization_maxRecords,

    -- * Destructuring the Response
    DescribeEndpointAuthorizationResponse (..),
    newDescribeEndpointAuthorizationResponse,

    -- * Response Lenses
    describeEndpointAuthorizationResponse_endpointAuthorizationList,
    describeEndpointAuthorizationResponse_marker,
    describeEndpointAuthorizationResponse_httpStatus,
  )
where

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 Amazonka.Redshift.Types
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newDescribeEndpointAuthorization' smart constructor.
data DescribeEndpointAuthorization = DescribeEndpointAuthorization'
  { -- | The AAmazon Web Services account ID of either the cluster owner
    -- (grantor) or grantee. If @Grantee@ parameter is true, then the @Account@
    -- value is of the grantor.
    account :: Prelude.Maybe Prelude.Text,
    -- | The cluster identifier of the cluster to access.
    clusterIdentifier :: Prelude.Maybe Prelude.Text,
    -- | Indicates whether to check authorization from a grantor or grantee point
    -- of view. If true, Amazon Redshift returns endpoint authorizations that
    -- you\'ve been granted. If false (default), checks authorization from a
    -- grantor point of view.
    grantee :: Prelude.Maybe Prelude.Bool,
    -- | An optional pagination token provided by a previous
    -- @DescribeEndpointAuthorization@ request. If this parameter is specified,
    -- the response includes only records beyond the marker, up to the value
    -- specified by the @MaxRecords@ parameter.
    marker :: Prelude.Maybe Prelude.Text,
    -- | The maximum number of records to include in the response. If more
    -- records exist than the specified @MaxRecords@ value, a pagination token
    -- called a @Marker@ is included in the response so that the remaining
    -- results can be retrieved.
    maxRecords :: Prelude.Maybe Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeEndpointAuthorization' 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:
--
-- 'account', 'describeEndpointAuthorization_account' - The AAmazon Web Services account ID of either the cluster owner
-- (grantor) or grantee. If @Grantee@ parameter is true, then the @Account@
-- value is of the grantor.
--
-- 'clusterIdentifier', 'describeEndpointAuthorization_clusterIdentifier' - The cluster identifier of the cluster to access.
--
-- 'grantee', 'describeEndpointAuthorization_grantee' - Indicates whether to check authorization from a grantor or grantee point
-- of view. If true, Amazon Redshift returns endpoint authorizations that
-- you\'ve been granted. If false (default), checks authorization from a
-- grantor point of view.
--
-- 'marker', 'describeEndpointAuthorization_marker' - An optional pagination token provided by a previous
-- @DescribeEndpointAuthorization@ request. If this parameter is specified,
-- the response includes only records beyond the marker, up to the value
-- specified by the @MaxRecords@ parameter.
--
-- 'maxRecords', 'describeEndpointAuthorization_maxRecords' - The maximum number of records to include in the response. If more
-- records exist than the specified @MaxRecords@ value, a pagination token
-- called a @Marker@ is included in the response so that the remaining
-- results can be retrieved.
newDescribeEndpointAuthorization ::
  DescribeEndpointAuthorization
newDescribeEndpointAuthorization =
  DescribeEndpointAuthorization'
    { account =
        Prelude.Nothing,
      clusterIdentifier = Prelude.Nothing,
      grantee = Prelude.Nothing,
      marker = Prelude.Nothing,
      maxRecords = Prelude.Nothing
    }

-- | The AAmazon Web Services account ID of either the cluster owner
-- (grantor) or grantee. If @Grantee@ parameter is true, then the @Account@
-- value is of the grantor.
describeEndpointAuthorization_account :: Lens.Lens' DescribeEndpointAuthorization (Prelude.Maybe Prelude.Text)
describeEndpointAuthorization_account = Lens.lens (\DescribeEndpointAuthorization' {account} -> account) (\s@DescribeEndpointAuthorization' {} a -> s {account = a} :: DescribeEndpointAuthorization)

-- | The cluster identifier of the cluster to access.
describeEndpointAuthorization_clusterIdentifier :: Lens.Lens' DescribeEndpointAuthorization (Prelude.Maybe Prelude.Text)
describeEndpointAuthorization_clusterIdentifier = Lens.lens (\DescribeEndpointAuthorization' {clusterIdentifier} -> clusterIdentifier) (\s@DescribeEndpointAuthorization' {} a -> s {clusterIdentifier = a} :: DescribeEndpointAuthorization)

-- | Indicates whether to check authorization from a grantor or grantee point
-- of view. If true, Amazon Redshift returns endpoint authorizations that
-- you\'ve been granted. If false (default), checks authorization from a
-- grantor point of view.
describeEndpointAuthorization_grantee :: Lens.Lens' DescribeEndpointAuthorization (Prelude.Maybe Prelude.Bool)
describeEndpointAuthorization_grantee = Lens.lens (\DescribeEndpointAuthorization' {grantee} -> grantee) (\s@DescribeEndpointAuthorization' {} a -> s {grantee = a} :: DescribeEndpointAuthorization)

-- | An optional pagination token provided by a previous
-- @DescribeEndpointAuthorization@ request. If this parameter is specified,
-- the response includes only records beyond the marker, up to the value
-- specified by the @MaxRecords@ parameter.
describeEndpointAuthorization_marker :: Lens.Lens' DescribeEndpointAuthorization (Prelude.Maybe Prelude.Text)
describeEndpointAuthorization_marker = Lens.lens (\DescribeEndpointAuthorization' {marker} -> marker) (\s@DescribeEndpointAuthorization' {} a -> s {marker = a} :: DescribeEndpointAuthorization)

-- | The maximum number of records to include in the response. If more
-- records exist than the specified @MaxRecords@ value, a pagination token
-- called a @Marker@ is included in the response so that the remaining
-- results can be retrieved.
describeEndpointAuthorization_maxRecords :: Lens.Lens' DescribeEndpointAuthorization (Prelude.Maybe Prelude.Int)
describeEndpointAuthorization_maxRecords = Lens.lens (\DescribeEndpointAuthorization' {maxRecords} -> maxRecords) (\s@DescribeEndpointAuthorization' {} a -> s {maxRecords = a} :: DescribeEndpointAuthorization)

instance Core.AWSPager DescribeEndpointAuthorization where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? describeEndpointAuthorizationResponse_marker
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? describeEndpointAuthorizationResponse_endpointAuthorizationList
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& describeEndpointAuthorization_marker
          Lens..~ rs
          Lens.^? describeEndpointAuthorizationResponse_marker
          Prelude.. Lens._Just

instance
  Core.AWSRequest
    DescribeEndpointAuthorization
  where
  type
    AWSResponse DescribeEndpointAuthorization =
      DescribeEndpointAuthorizationResponse
  request overrides =
    Request.postQuery (overrides defaultService)
  response =
    Response.receiveXMLWrapper
      "DescribeEndpointAuthorizationResult"
      ( \s h x ->
          DescribeEndpointAuthorizationResponse'
            Prelude.<$> ( x
                            Data..@? "EndpointAuthorizationList"
                            Core..!@ Prelude.mempty
                            Prelude.>>= Core.may (Data.parseXMLList "member")
                        )
            Prelude.<*> (x Data..@? "Marker")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance
  Prelude.Hashable
    DescribeEndpointAuthorization
  where
  hashWithSalt _salt DescribeEndpointAuthorization' {..} =
    _salt
      `Prelude.hashWithSalt` account
      `Prelude.hashWithSalt` clusterIdentifier
      `Prelude.hashWithSalt` grantee
      `Prelude.hashWithSalt` marker
      `Prelude.hashWithSalt` maxRecords

instance Prelude.NFData DescribeEndpointAuthorization where
  rnf DescribeEndpointAuthorization' {..} =
    Prelude.rnf account
      `Prelude.seq` Prelude.rnf clusterIdentifier
      `Prelude.seq` Prelude.rnf grantee
      `Prelude.seq` Prelude.rnf marker
      `Prelude.seq` Prelude.rnf maxRecords

instance Data.ToHeaders DescribeEndpointAuthorization where
  toHeaders = Prelude.const Prelude.mempty

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

instance Data.ToQuery DescribeEndpointAuthorization where
  toQuery DescribeEndpointAuthorization' {..} =
    Prelude.mconcat
      [ "Action"
          Data.=: ( "DescribeEndpointAuthorization" ::
                      Prelude.ByteString
                  ),
        "Version"
          Data.=: ("2012-12-01" :: Prelude.ByteString),
        "Account" Data.=: account,
        "ClusterIdentifier" Data.=: clusterIdentifier,
        "Grantee" Data.=: grantee,
        "Marker" Data.=: marker,
        "MaxRecords" Data.=: maxRecords
      ]

-- | /See:/ 'newDescribeEndpointAuthorizationResponse' smart constructor.
data DescribeEndpointAuthorizationResponse = DescribeEndpointAuthorizationResponse'
  { -- | The authorizations to an endpoint.
    endpointAuthorizationList :: Prelude.Maybe [EndpointAuthorization],
    -- | An optional pagination token provided by a previous
    -- @DescribeEndpointAuthorization@ request. If this parameter is specified,
    -- the response includes only records beyond the marker, up to the value
    -- specified by the @MaxRecords@ parameter.
    marker :: 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 'DescribeEndpointAuthorizationResponse' 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:
--
-- 'endpointAuthorizationList', 'describeEndpointAuthorizationResponse_endpointAuthorizationList' - The authorizations to an endpoint.
--
-- 'marker', 'describeEndpointAuthorizationResponse_marker' - An optional pagination token provided by a previous
-- @DescribeEndpointAuthorization@ request. If this parameter is specified,
-- the response includes only records beyond the marker, up to the value
-- specified by the @MaxRecords@ parameter.
--
-- 'httpStatus', 'describeEndpointAuthorizationResponse_httpStatus' - The response's http status code.
newDescribeEndpointAuthorizationResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeEndpointAuthorizationResponse
newDescribeEndpointAuthorizationResponse pHttpStatus_ =
  DescribeEndpointAuthorizationResponse'
    { endpointAuthorizationList =
        Prelude.Nothing,
      marker = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The authorizations to an endpoint.
describeEndpointAuthorizationResponse_endpointAuthorizationList :: Lens.Lens' DescribeEndpointAuthorizationResponse (Prelude.Maybe [EndpointAuthorization])
describeEndpointAuthorizationResponse_endpointAuthorizationList = Lens.lens (\DescribeEndpointAuthorizationResponse' {endpointAuthorizationList} -> endpointAuthorizationList) (\s@DescribeEndpointAuthorizationResponse' {} a -> s {endpointAuthorizationList = a} :: DescribeEndpointAuthorizationResponse) Prelude.. Lens.mapping Lens.coerced

-- | An optional pagination token provided by a previous
-- @DescribeEndpointAuthorization@ request. If this parameter is specified,
-- the response includes only records beyond the marker, up to the value
-- specified by the @MaxRecords@ parameter.
describeEndpointAuthorizationResponse_marker :: Lens.Lens' DescribeEndpointAuthorizationResponse (Prelude.Maybe Prelude.Text)
describeEndpointAuthorizationResponse_marker = Lens.lens (\DescribeEndpointAuthorizationResponse' {marker} -> marker) (\s@DescribeEndpointAuthorizationResponse' {} a -> s {marker = a} :: DescribeEndpointAuthorizationResponse)

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

instance
  Prelude.NFData
    DescribeEndpointAuthorizationResponse
  where
  rnf DescribeEndpointAuthorizationResponse' {..} =
    Prelude.rnf endpointAuthorizationList
      `Prelude.seq` Prelude.rnf marker
      `Prelude.seq` Prelude.rnf httpStatus