{-# 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.SMS.GetServers
-- 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 the servers in your server catalog.
--
-- Before you can describe your servers, you must import them using
-- ImportServerCatalog.
--
-- This operation returns paginated results.
module Amazonka.SMS.GetServers
  ( -- * Creating a Request
    GetServers (..),
    newGetServers,

    -- * Request Lenses
    getServers_maxResults,
    getServers_nextToken,
    getServers_vmServerAddressList,

    -- * Destructuring the Response
    GetServersResponse (..),
    newGetServersResponse,

    -- * Response Lenses
    getServersResponse_lastModifiedOn,
    getServersResponse_nextToken,
    getServersResponse_serverCatalogStatus,
    getServersResponse_serverList,
    getServersResponse_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 qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response
import Amazonka.SMS.Types

-- | /See:/ 'newGetServers' smart constructor.
data GetServers = GetServers'
  { -- | The maximum number of results to return in a single call. The default
    -- value is 50. To retrieve the remaining results, make another call with
    -- the returned @NextToken@ value.
    maxResults :: Prelude.Maybe Prelude.Int,
    -- | The token for the next set of results.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The server addresses.
    vmServerAddressList :: Prelude.Maybe [VmServerAddress]
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetServers' 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:
--
-- 'maxResults', 'getServers_maxResults' - The maximum number of results to return in a single call. The default
-- value is 50. To retrieve the remaining results, make another call with
-- the returned @NextToken@ value.
--
-- 'nextToken', 'getServers_nextToken' - The token for the next set of results.
--
-- 'vmServerAddressList', 'getServers_vmServerAddressList' - The server addresses.
newGetServers ::
  GetServers
newGetServers =
  GetServers'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      vmServerAddressList = Prelude.Nothing
    }

-- | The maximum number of results to return in a single call. The default
-- value is 50. To retrieve the remaining results, make another call with
-- the returned @NextToken@ value.
getServers_maxResults :: Lens.Lens' GetServers (Prelude.Maybe Prelude.Int)
getServers_maxResults = Lens.lens (\GetServers' {maxResults} -> maxResults) (\s@GetServers' {} a -> s {maxResults = a} :: GetServers)

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

-- | The server addresses.
getServers_vmServerAddressList :: Lens.Lens' GetServers (Prelude.Maybe [VmServerAddress])
getServers_vmServerAddressList = Lens.lens (\GetServers' {vmServerAddressList} -> vmServerAddressList) (\s@GetServers' {} a -> s {vmServerAddressList = a} :: GetServers) Prelude.. Lens.mapping Lens.coerced

instance Core.AWSPager GetServers where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? getServersResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? getServersResponse_serverList
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& getServers_nextToken
          Lens..~ rs
          Lens.^? getServersResponse_nextToken
          Prelude.. Lens._Just

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

instance Prelude.Hashable GetServers where
  hashWithSalt _salt GetServers' {..} =
    _salt
      `Prelude.hashWithSalt` maxResults
      `Prelude.hashWithSalt` nextToken
      `Prelude.hashWithSalt` vmServerAddressList

instance Prelude.NFData GetServers where
  rnf GetServers' {..} =
    Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf vmServerAddressList

instance Data.ToHeaders GetServers where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "AWSServerMigrationService_V2016_10_24.GetServers" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

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

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

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

-- | /See:/ 'newGetServersResponse' smart constructor.
data GetServersResponse = GetServersResponse'
  { -- | The time when the server was last modified.
    lastModifiedOn :: Prelude.Maybe Data.POSIX,
    -- | The token required to retrieve the next set of results. This value is
    -- null when there are no more results to return.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The status of the server catalog.
    serverCatalogStatus :: Prelude.Maybe ServerCatalogStatus,
    -- | Information about the servers.
    serverList :: Prelude.Maybe [Server],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetServersResponse' 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:
--
-- 'lastModifiedOn', 'getServersResponse_lastModifiedOn' - The time when the server was last modified.
--
-- 'nextToken', 'getServersResponse_nextToken' - The token required to retrieve the next set of results. This value is
-- null when there are no more results to return.
--
-- 'serverCatalogStatus', 'getServersResponse_serverCatalogStatus' - The status of the server catalog.
--
-- 'serverList', 'getServersResponse_serverList' - Information about the servers.
--
-- 'httpStatus', 'getServersResponse_httpStatus' - The response's http status code.
newGetServersResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  GetServersResponse
newGetServersResponse pHttpStatus_ =
  GetServersResponse'
    { lastModifiedOn =
        Prelude.Nothing,
      nextToken = Prelude.Nothing,
      serverCatalogStatus = Prelude.Nothing,
      serverList = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The time when the server was last modified.
getServersResponse_lastModifiedOn :: Lens.Lens' GetServersResponse (Prelude.Maybe Prelude.UTCTime)
getServersResponse_lastModifiedOn = Lens.lens (\GetServersResponse' {lastModifiedOn} -> lastModifiedOn) (\s@GetServersResponse' {} a -> s {lastModifiedOn = a} :: GetServersResponse) Prelude.. Lens.mapping Data._Time

-- | The token required to retrieve the next set of results. This value is
-- null when there are no more results to return.
getServersResponse_nextToken :: Lens.Lens' GetServersResponse (Prelude.Maybe Prelude.Text)
getServersResponse_nextToken = Lens.lens (\GetServersResponse' {nextToken} -> nextToken) (\s@GetServersResponse' {} a -> s {nextToken = a} :: GetServersResponse)

-- | The status of the server catalog.
getServersResponse_serverCatalogStatus :: Lens.Lens' GetServersResponse (Prelude.Maybe ServerCatalogStatus)
getServersResponse_serverCatalogStatus = Lens.lens (\GetServersResponse' {serverCatalogStatus} -> serverCatalogStatus) (\s@GetServersResponse' {} a -> s {serverCatalogStatus = a} :: GetServersResponse)

-- | Information about the servers.
getServersResponse_serverList :: Lens.Lens' GetServersResponse (Prelude.Maybe [Server])
getServersResponse_serverList = Lens.lens (\GetServersResponse' {serverList} -> serverList) (\s@GetServersResponse' {} a -> s {serverList = a} :: GetServersResponse) Prelude.. Lens.mapping Lens.coerced

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

instance Prelude.NFData GetServersResponse where
  rnf GetServersResponse' {..} =
    Prelude.rnf lastModifiedOn
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf serverCatalogStatus
      `Prelude.seq` Prelude.rnf serverList
      `Prelude.seq` Prelude.rnf httpStatus