{-# 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.AppMesh.ListGatewayRoutes
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Returns a list of existing gateway routes that are associated to a
-- virtual gateway.
--
-- This operation returns paginated results.
module Amazonka.AppMesh.ListGatewayRoutes
  ( -- * Creating a Request
    ListGatewayRoutes (..),
    newListGatewayRoutes,

    -- * Request Lenses
    listGatewayRoutes_limit,
    listGatewayRoutes_meshOwner,
    listGatewayRoutes_nextToken,
    listGatewayRoutes_meshName,
    listGatewayRoutes_virtualGatewayName,

    -- * Destructuring the Response
    ListGatewayRoutesResponse (..),
    newListGatewayRoutesResponse,

    -- * Response Lenses
    listGatewayRoutesResponse_nextToken,
    listGatewayRoutesResponse_httpStatus,
    listGatewayRoutesResponse_gatewayRoutes,
  )
where

import Amazonka.AppMesh.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:/ 'newListGatewayRoutes' smart constructor.
data ListGatewayRoutes = ListGatewayRoutes'
  { -- | The maximum number of results returned by @ListGatewayRoutes@ in
    -- paginated output. When you use this parameter, @ListGatewayRoutes@
    -- returns only @limit@ results in a single page along with a @nextToken@
    -- response element. You can see the remaining results of the initial
    -- request by sending another @ListGatewayRoutes@ request with the returned
    -- @nextToken@ value. This value can be between 1 and 100. If you don\'t
    -- use this parameter, @ListGatewayRoutes@ returns up to 100 results and a
    -- @nextToken@ value if applicable.
    limit :: Prelude.Maybe Prelude.Natural,
    -- | The Amazon Web Services IAM account ID of the service mesh owner. If the
    -- account ID is not your own, then it\'s the ID of the account that shared
    -- the mesh with your account. For more information about mesh sharing, see
    -- <https://docs.aws.amazon.com/app-mesh/latest/userguide/sharing.html Working with shared meshes>.
    meshOwner :: Prelude.Maybe Prelude.Text,
    -- | The @nextToken@ value returned from a previous paginated
    -- @ListGatewayRoutes@ request where @limit@ was used and the results
    -- exceeded the value of that parameter. Pagination continues from the end
    -- of the previous results that returned the @nextToken@ value.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The name of the service mesh to list gateway routes in.
    meshName :: Prelude.Text,
    -- | The name of the virtual gateway to list gateway routes in.
    virtualGatewayName :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListGatewayRoutes' 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', 'listGatewayRoutes_limit' - The maximum number of results returned by @ListGatewayRoutes@ in
-- paginated output. When you use this parameter, @ListGatewayRoutes@
-- returns only @limit@ results in a single page along with a @nextToken@
-- response element. You can see the remaining results of the initial
-- request by sending another @ListGatewayRoutes@ request with the returned
-- @nextToken@ value. This value can be between 1 and 100. If you don\'t
-- use this parameter, @ListGatewayRoutes@ returns up to 100 results and a
-- @nextToken@ value if applicable.
--
-- 'meshOwner', 'listGatewayRoutes_meshOwner' - The Amazon Web Services IAM account ID of the service mesh owner. If the
-- account ID is not your own, then it\'s the ID of the account that shared
-- the mesh with your account. For more information about mesh sharing, see
-- <https://docs.aws.amazon.com/app-mesh/latest/userguide/sharing.html Working with shared meshes>.
--
-- 'nextToken', 'listGatewayRoutes_nextToken' - The @nextToken@ value returned from a previous paginated
-- @ListGatewayRoutes@ request where @limit@ was used and the results
-- exceeded the value of that parameter. Pagination continues from the end
-- of the previous results that returned the @nextToken@ value.
--
-- 'meshName', 'listGatewayRoutes_meshName' - The name of the service mesh to list gateway routes in.
--
-- 'virtualGatewayName', 'listGatewayRoutes_virtualGatewayName' - The name of the virtual gateway to list gateway routes in.
newListGatewayRoutes ::
  -- | 'meshName'
  Prelude.Text ->
  -- | 'virtualGatewayName'
  Prelude.Text ->
  ListGatewayRoutes
newListGatewayRoutes pMeshName_ pVirtualGatewayName_ =
  ListGatewayRoutes'
    { limit = Prelude.Nothing,
      meshOwner = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      meshName = pMeshName_,
      virtualGatewayName = pVirtualGatewayName_
    }

-- | The maximum number of results returned by @ListGatewayRoutes@ in
-- paginated output. When you use this parameter, @ListGatewayRoutes@
-- returns only @limit@ results in a single page along with a @nextToken@
-- response element. You can see the remaining results of the initial
-- request by sending another @ListGatewayRoutes@ request with the returned
-- @nextToken@ value. This value can be between 1 and 100. If you don\'t
-- use this parameter, @ListGatewayRoutes@ returns up to 100 results and a
-- @nextToken@ value if applicable.
listGatewayRoutes_limit :: Lens.Lens' ListGatewayRoutes (Prelude.Maybe Prelude.Natural)
listGatewayRoutes_limit = Lens.lens (\ListGatewayRoutes' {limit} -> limit) (\s@ListGatewayRoutes' {} a -> s {limit = a} :: ListGatewayRoutes)

-- | The Amazon Web Services IAM account ID of the service mesh owner. If the
-- account ID is not your own, then it\'s the ID of the account that shared
-- the mesh with your account. For more information about mesh sharing, see
-- <https://docs.aws.amazon.com/app-mesh/latest/userguide/sharing.html Working with shared meshes>.
listGatewayRoutes_meshOwner :: Lens.Lens' ListGatewayRoutes (Prelude.Maybe Prelude.Text)
listGatewayRoutes_meshOwner = Lens.lens (\ListGatewayRoutes' {meshOwner} -> meshOwner) (\s@ListGatewayRoutes' {} a -> s {meshOwner = a} :: ListGatewayRoutes)

-- | The @nextToken@ value returned from a previous paginated
-- @ListGatewayRoutes@ request where @limit@ was used and the results
-- exceeded the value of that parameter. Pagination continues from the end
-- of the previous results that returned the @nextToken@ value.
listGatewayRoutes_nextToken :: Lens.Lens' ListGatewayRoutes (Prelude.Maybe Prelude.Text)
listGatewayRoutes_nextToken = Lens.lens (\ListGatewayRoutes' {nextToken} -> nextToken) (\s@ListGatewayRoutes' {} a -> s {nextToken = a} :: ListGatewayRoutes)

-- | The name of the service mesh to list gateway routes in.
listGatewayRoutes_meshName :: Lens.Lens' ListGatewayRoutes Prelude.Text
listGatewayRoutes_meshName = Lens.lens (\ListGatewayRoutes' {meshName} -> meshName) (\s@ListGatewayRoutes' {} a -> s {meshName = a} :: ListGatewayRoutes)

-- | The name of the virtual gateway to list gateway routes in.
listGatewayRoutes_virtualGatewayName :: Lens.Lens' ListGatewayRoutes Prelude.Text
listGatewayRoutes_virtualGatewayName = Lens.lens (\ListGatewayRoutes' {virtualGatewayName} -> virtualGatewayName) (\s@ListGatewayRoutes' {} a -> s {virtualGatewayName = a} :: ListGatewayRoutes)

instance Core.AWSPager ListGatewayRoutes where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listGatewayRoutesResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        (rs Lens.^. listGatewayRoutesResponse_gatewayRoutes) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listGatewayRoutes_nextToken
          Lens..~ rs
          Lens.^? listGatewayRoutesResponse_nextToken
          Prelude.. Lens._Just

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

instance Prelude.Hashable ListGatewayRoutes where
  hashWithSalt _salt ListGatewayRoutes' {..} =
    _salt
      `Prelude.hashWithSalt` limit
      `Prelude.hashWithSalt` meshOwner
      `Prelude.hashWithSalt` nextToken
      `Prelude.hashWithSalt` meshName
      `Prelude.hashWithSalt` virtualGatewayName

instance Prelude.NFData ListGatewayRoutes where
  rnf ListGatewayRoutes' {..} =
    Prelude.rnf limit
      `Prelude.seq` Prelude.rnf meshOwner
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf meshName
      `Prelude.seq` Prelude.rnf virtualGatewayName

instance Data.ToHeaders ListGatewayRoutes where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToPath ListGatewayRoutes where
  toPath ListGatewayRoutes' {..} =
    Prelude.mconcat
      [ "/v20190125/meshes/",
        Data.toBS meshName,
        "/virtualGateway/",
        Data.toBS virtualGatewayName,
        "/gatewayRoutes"
      ]

instance Data.ToQuery ListGatewayRoutes where
  toQuery ListGatewayRoutes' {..} =
    Prelude.mconcat
      [ "limit" Data.=: limit,
        "meshOwner" Data.=: meshOwner,
        "nextToken" Data.=: nextToken
      ]

-- | /See:/ 'newListGatewayRoutesResponse' smart constructor.
data ListGatewayRoutesResponse = ListGatewayRoutesResponse'
  { -- | The @nextToken@ value to include in a future @ListGatewayRoutes@
    -- request. When the results of a @ListGatewayRoutes@ request exceed
    -- @limit@, you can use this value to retrieve the next page of results.
    -- This value is @null@ when there are no more results to return.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int,
    -- | The list of existing gateway routes for the specified service mesh and
    -- virtual gateway.
    gatewayRoutes :: [GatewayRouteRef]
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListGatewayRoutesResponse' 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', 'listGatewayRoutesResponse_nextToken' - The @nextToken@ value to include in a future @ListGatewayRoutes@
-- request. When the results of a @ListGatewayRoutes@ request exceed
-- @limit@, you can use this value to retrieve the next page of results.
-- This value is @null@ when there are no more results to return.
--
-- 'httpStatus', 'listGatewayRoutesResponse_httpStatus' - The response's http status code.
--
-- 'gatewayRoutes', 'listGatewayRoutesResponse_gatewayRoutes' - The list of existing gateway routes for the specified service mesh and
-- virtual gateway.
newListGatewayRoutesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListGatewayRoutesResponse
newListGatewayRoutesResponse pHttpStatus_ =
  ListGatewayRoutesResponse'
    { nextToken =
        Prelude.Nothing,
      httpStatus = pHttpStatus_,
      gatewayRoutes = Prelude.mempty
    }

-- | The @nextToken@ value to include in a future @ListGatewayRoutes@
-- request. When the results of a @ListGatewayRoutes@ request exceed
-- @limit@, you can use this value to retrieve the next page of results.
-- This value is @null@ when there are no more results to return.
listGatewayRoutesResponse_nextToken :: Lens.Lens' ListGatewayRoutesResponse (Prelude.Maybe Prelude.Text)
listGatewayRoutesResponse_nextToken = Lens.lens (\ListGatewayRoutesResponse' {nextToken} -> nextToken) (\s@ListGatewayRoutesResponse' {} a -> s {nextToken = a} :: ListGatewayRoutesResponse)

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

-- | The list of existing gateway routes for the specified service mesh and
-- virtual gateway.
listGatewayRoutesResponse_gatewayRoutes :: Lens.Lens' ListGatewayRoutesResponse [GatewayRouteRef]
listGatewayRoutesResponse_gatewayRoutes = Lens.lens (\ListGatewayRoutesResponse' {gatewayRoutes} -> gatewayRoutes) (\s@ListGatewayRoutesResponse' {} a -> s {gatewayRoutes = a} :: ListGatewayRoutesResponse) Prelude.. Lens.coerced

instance Prelude.NFData ListGatewayRoutesResponse where
  rnf ListGatewayRoutesResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus
      `Prelude.seq` Prelude.rnf gatewayRoutes