{-# 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.EC2.GetTransitGatewayPolicyTableAssociations
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Gets a list of the transit gateway policy table associations.
--
-- This operation returns paginated results.
module Amazonka.EC2.GetTransitGatewayPolicyTableAssociations
  ( -- * Creating a Request
    GetTransitGatewayPolicyTableAssociations (..),
    newGetTransitGatewayPolicyTableAssociations,

    -- * Request Lenses
    getTransitGatewayPolicyTableAssociations_dryRun,
    getTransitGatewayPolicyTableAssociations_filters,
    getTransitGatewayPolicyTableAssociations_maxResults,
    getTransitGatewayPolicyTableAssociations_nextToken,
    getTransitGatewayPolicyTableAssociations_transitGatewayPolicyTableId,

    -- * Destructuring the Response
    GetTransitGatewayPolicyTableAssociationsResponse (..),
    newGetTransitGatewayPolicyTableAssociationsResponse,

    -- * Response Lenses
    getTransitGatewayPolicyTableAssociationsResponse_associations,
    getTransitGatewayPolicyTableAssociationsResponse_nextToken,
    getTransitGatewayPolicyTableAssociationsResponse_httpStatus,
  )
where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.EC2.Types
import qualified Amazonka.Prelude as Prelude
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newGetTransitGatewayPolicyTableAssociations' smart constructor.
data GetTransitGatewayPolicyTableAssociations = GetTransitGatewayPolicyTableAssociations'
  { -- | Checks whether you have the required permissions for the action, without
    -- actually making the request, and provides an error response. If you have
    -- the required permissions, the error response is @DryRunOperation@.
    -- Otherwise, it is @UnauthorizedOperation@.
    dryRun :: Prelude.Maybe Prelude.Bool,
    -- | The filters associated with the transit gateway policy table.
    filters :: Prelude.Maybe [Filter],
    -- | The maximum number of results to return with a single call. To retrieve
    -- the remaining results, make another call with the returned @nextToken@
    -- value.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | The token for the next page of results.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The ID of the transit gateway policy table.
    transitGatewayPolicyTableId :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetTransitGatewayPolicyTableAssociations' 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:
--
-- 'dryRun', 'getTransitGatewayPolicyTableAssociations_dryRun' - Checks whether you have the required permissions for the action, without
-- actually making the request, and provides an error response. If you have
-- the required permissions, the error response is @DryRunOperation@.
-- Otherwise, it is @UnauthorizedOperation@.
--
-- 'filters', 'getTransitGatewayPolicyTableAssociations_filters' - The filters associated with the transit gateway policy table.
--
-- 'maxResults', 'getTransitGatewayPolicyTableAssociations_maxResults' - The maximum number of results to return with a single call. To retrieve
-- the remaining results, make another call with the returned @nextToken@
-- value.
--
-- 'nextToken', 'getTransitGatewayPolicyTableAssociations_nextToken' - The token for the next page of results.
--
-- 'transitGatewayPolicyTableId', 'getTransitGatewayPolicyTableAssociations_transitGatewayPolicyTableId' - The ID of the transit gateway policy table.
newGetTransitGatewayPolicyTableAssociations ::
  -- | 'transitGatewayPolicyTableId'
  Prelude.Text ->
  GetTransitGatewayPolicyTableAssociations
newGetTransitGatewayPolicyTableAssociations
  pTransitGatewayPolicyTableId_ =
    GetTransitGatewayPolicyTableAssociations'
      { dryRun =
          Prelude.Nothing,
        filters = Prelude.Nothing,
        maxResults = Prelude.Nothing,
        nextToken = Prelude.Nothing,
        transitGatewayPolicyTableId =
          pTransitGatewayPolicyTableId_
      }

-- | Checks whether you have the required permissions for the action, without
-- actually making the request, and provides an error response. If you have
-- the required permissions, the error response is @DryRunOperation@.
-- Otherwise, it is @UnauthorizedOperation@.
getTransitGatewayPolicyTableAssociations_dryRun :: Lens.Lens' GetTransitGatewayPolicyTableAssociations (Prelude.Maybe Prelude.Bool)
getTransitGatewayPolicyTableAssociations_dryRun = Lens.lens (\GetTransitGatewayPolicyTableAssociations' {dryRun} -> dryRun) (\s@GetTransitGatewayPolicyTableAssociations' {} a -> s {dryRun = a} :: GetTransitGatewayPolicyTableAssociations)

-- | The filters associated with the transit gateway policy table.
getTransitGatewayPolicyTableAssociations_filters :: Lens.Lens' GetTransitGatewayPolicyTableAssociations (Prelude.Maybe [Filter])
getTransitGatewayPolicyTableAssociations_filters = Lens.lens (\GetTransitGatewayPolicyTableAssociations' {filters} -> filters) (\s@GetTransitGatewayPolicyTableAssociations' {} a -> s {filters = a} :: GetTransitGatewayPolicyTableAssociations) Prelude.. Lens.mapping Lens.coerced

-- | The maximum number of results to return with a single call. To retrieve
-- the remaining results, make another call with the returned @nextToken@
-- value.
getTransitGatewayPolicyTableAssociations_maxResults :: Lens.Lens' GetTransitGatewayPolicyTableAssociations (Prelude.Maybe Prelude.Natural)
getTransitGatewayPolicyTableAssociations_maxResults = Lens.lens (\GetTransitGatewayPolicyTableAssociations' {maxResults} -> maxResults) (\s@GetTransitGatewayPolicyTableAssociations' {} a -> s {maxResults = a} :: GetTransitGatewayPolicyTableAssociations)

-- | The token for the next page of results.
getTransitGatewayPolicyTableAssociations_nextToken :: Lens.Lens' GetTransitGatewayPolicyTableAssociations (Prelude.Maybe Prelude.Text)
getTransitGatewayPolicyTableAssociations_nextToken = Lens.lens (\GetTransitGatewayPolicyTableAssociations' {nextToken} -> nextToken) (\s@GetTransitGatewayPolicyTableAssociations' {} a -> s {nextToken = a} :: GetTransitGatewayPolicyTableAssociations)

-- | The ID of the transit gateway policy table.
getTransitGatewayPolicyTableAssociations_transitGatewayPolicyTableId :: Lens.Lens' GetTransitGatewayPolicyTableAssociations Prelude.Text
getTransitGatewayPolicyTableAssociations_transitGatewayPolicyTableId = Lens.lens (\GetTransitGatewayPolicyTableAssociations' {transitGatewayPolicyTableId} -> transitGatewayPolicyTableId) (\s@GetTransitGatewayPolicyTableAssociations' {} a -> s {transitGatewayPolicyTableId = a} :: GetTransitGatewayPolicyTableAssociations)

instance
  Core.AWSPager
    GetTransitGatewayPolicyTableAssociations
  where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? getTransitGatewayPolicyTableAssociationsResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? getTransitGatewayPolicyTableAssociationsResponse_associations
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& getTransitGatewayPolicyTableAssociations_nextToken
          Lens..~ rs
          Lens.^? getTransitGatewayPolicyTableAssociationsResponse_nextToken
          Prelude.. Lens._Just

instance
  Core.AWSRequest
    GetTransitGatewayPolicyTableAssociations
  where
  type
    AWSResponse
      GetTransitGatewayPolicyTableAssociations =
      GetTransitGatewayPolicyTableAssociationsResponse
  request overrides =
    Request.postQuery (overrides defaultService)
  response =
    Response.receiveXML
      ( \s h x ->
          GetTransitGatewayPolicyTableAssociationsResponse'
            Prelude.<$> ( x
                            Data..@? "associations"
                            Core..!@ Prelude.mempty
                            Prelude.>>= Core.may (Data.parseXMLList "item")
                        )
            Prelude.<*> (x Data..@? "nextToken")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance
  Prelude.Hashable
    GetTransitGatewayPolicyTableAssociations
  where
  hashWithSalt
    _salt
    GetTransitGatewayPolicyTableAssociations' {..} =
      _salt
        `Prelude.hashWithSalt` dryRun
        `Prelude.hashWithSalt` filters
        `Prelude.hashWithSalt` maxResults
        `Prelude.hashWithSalt` nextToken
        `Prelude.hashWithSalt` transitGatewayPolicyTableId

instance
  Prelude.NFData
    GetTransitGatewayPolicyTableAssociations
  where
  rnf GetTransitGatewayPolicyTableAssociations' {..} =
    Prelude.rnf dryRun
      `Prelude.seq` Prelude.rnf filters
      `Prelude.seq` Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf transitGatewayPolicyTableId

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

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

instance
  Data.ToQuery
    GetTransitGatewayPolicyTableAssociations
  where
  toQuery GetTransitGatewayPolicyTableAssociations' {..} =
    Prelude.mconcat
      [ "Action"
          Data.=: ( "GetTransitGatewayPolicyTableAssociations" ::
                      Prelude.ByteString
                  ),
        "Version"
          Data.=: ("2016-11-15" :: Prelude.ByteString),
        "DryRun" Data.=: dryRun,
        Data.toQuery
          (Data.toQueryList "Filter" Prelude.<$> filters),
        "MaxResults" Data.=: maxResults,
        "NextToken" Data.=: nextToken,
        "TransitGatewayPolicyTableId"
          Data.=: transitGatewayPolicyTableId
      ]

-- | /See:/ 'newGetTransitGatewayPolicyTableAssociationsResponse' smart constructor.
data GetTransitGatewayPolicyTableAssociationsResponse = GetTransitGatewayPolicyTableAssociationsResponse'
  { -- | Returns details about the transit gateway policy table association.
    associations :: Prelude.Maybe [TransitGatewayPolicyTableAssociation],
    -- | The token for the next page of results.
    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 'GetTransitGatewayPolicyTableAssociationsResponse' 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:
--
-- 'associations', 'getTransitGatewayPolicyTableAssociationsResponse_associations' - Returns details about the transit gateway policy table association.
--
-- 'nextToken', 'getTransitGatewayPolicyTableAssociationsResponse_nextToken' - The token for the next page of results.
--
-- 'httpStatus', 'getTransitGatewayPolicyTableAssociationsResponse_httpStatus' - The response's http status code.
newGetTransitGatewayPolicyTableAssociationsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  GetTransitGatewayPolicyTableAssociationsResponse
newGetTransitGatewayPolicyTableAssociationsResponse
  pHttpStatus_ =
    GetTransitGatewayPolicyTableAssociationsResponse'
      { associations =
          Prelude.Nothing,
        nextToken =
          Prelude.Nothing,
        httpStatus = pHttpStatus_
      }

-- | Returns details about the transit gateway policy table association.
getTransitGatewayPolicyTableAssociationsResponse_associations :: Lens.Lens' GetTransitGatewayPolicyTableAssociationsResponse (Prelude.Maybe [TransitGatewayPolicyTableAssociation])
getTransitGatewayPolicyTableAssociationsResponse_associations = Lens.lens (\GetTransitGatewayPolicyTableAssociationsResponse' {associations} -> associations) (\s@GetTransitGatewayPolicyTableAssociationsResponse' {} a -> s {associations = a} :: GetTransitGatewayPolicyTableAssociationsResponse) Prelude.. Lens.mapping Lens.coerced

-- | The token for the next page of results.
getTransitGatewayPolicyTableAssociationsResponse_nextToken :: Lens.Lens' GetTransitGatewayPolicyTableAssociationsResponse (Prelude.Maybe Prelude.Text)
getTransitGatewayPolicyTableAssociationsResponse_nextToken = Lens.lens (\GetTransitGatewayPolicyTableAssociationsResponse' {nextToken} -> nextToken) (\s@GetTransitGatewayPolicyTableAssociationsResponse' {} a -> s {nextToken = a} :: GetTransitGatewayPolicyTableAssociationsResponse)

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

instance
  Prelude.NFData
    GetTransitGatewayPolicyTableAssociationsResponse
  where
  rnf
    GetTransitGatewayPolicyTableAssociationsResponse' {..} =
      Prelude.rnf associations
        `Prelude.seq` Prelude.rnf nextToken
        `Prelude.seq` Prelude.rnf httpStatus