{-# 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.ChimeSDKIdentity.ListAppInstances
-- 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 all Amazon Chime @AppInstance@s created under a single AWS
-- account.
module Amazonka.ChimeSDKIdentity.ListAppInstances
  ( -- * Creating a Request
    ListAppInstances (..),
    newListAppInstances,

    -- * Request Lenses
    listAppInstances_maxResults,
    listAppInstances_nextToken,

    -- * Destructuring the Response
    ListAppInstancesResponse (..),
    newListAppInstancesResponse,

    -- * Response Lenses
    listAppInstancesResponse_appInstances,
    listAppInstancesResponse_nextToken,
    listAppInstancesResponse_httpStatus,
  )
where

import Amazonka.ChimeSDKIdentity.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:/ 'newListAppInstances' smart constructor.
data ListAppInstances = ListAppInstances'
  { -- | The maximum number of @AppInstance@s that you want to return.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | The token passed by previous API requests until you reach the maximum
    -- number of @AppInstances@.
    nextToken :: Prelude.Maybe (Data.Sensitive Prelude.Text)
  }
  deriving (Prelude.Eq, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListAppInstances' 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', 'listAppInstances_maxResults' - The maximum number of @AppInstance@s that you want to return.
--
-- 'nextToken', 'listAppInstances_nextToken' - The token passed by previous API requests until you reach the maximum
-- number of @AppInstances@.
newListAppInstances ::
  ListAppInstances
newListAppInstances =
  ListAppInstances'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | The maximum number of @AppInstance@s that you want to return.
listAppInstances_maxResults :: Lens.Lens' ListAppInstances (Prelude.Maybe Prelude.Natural)
listAppInstances_maxResults = Lens.lens (\ListAppInstances' {maxResults} -> maxResults) (\s@ListAppInstances' {} a -> s {maxResults = a} :: ListAppInstances)

-- | The token passed by previous API requests until you reach the maximum
-- number of @AppInstances@.
listAppInstances_nextToken :: Lens.Lens' ListAppInstances (Prelude.Maybe Prelude.Text)
listAppInstances_nextToken = Lens.lens (\ListAppInstances' {nextToken} -> nextToken) (\s@ListAppInstances' {} a -> s {nextToken = a} :: ListAppInstances) Prelude.. Lens.mapping Data._Sensitive

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

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

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

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

instance Data.ToPath ListAppInstances where
  toPath = Prelude.const "/app-instances"

instance Data.ToQuery ListAppInstances where
  toQuery ListAppInstances' {..} =
    Prelude.mconcat
      [ "max-results" Data.=: maxResults,
        "next-token" Data.=: nextToken
      ]

-- | /See:/ 'newListAppInstancesResponse' smart constructor.
data ListAppInstancesResponse = ListAppInstancesResponse'
  { -- | The information for each @AppInstance@.
    appInstances :: Prelude.Maybe [AppInstanceSummary],
    -- | The token passed by previous API requests until the maximum number of
    -- @AppInstance@s is reached.
    nextToken :: Prelude.Maybe (Data.Sensitive Prelude.Text),
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListAppInstancesResponse' 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:
--
-- 'appInstances', 'listAppInstancesResponse_appInstances' - The information for each @AppInstance@.
--
-- 'nextToken', 'listAppInstancesResponse_nextToken' - The token passed by previous API requests until the maximum number of
-- @AppInstance@s is reached.
--
-- 'httpStatus', 'listAppInstancesResponse_httpStatus' - The response's http status code.
newListAppInstancesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListAppInstancesResponse
newListAppInstancesResponse pHttpStatus_ =
  ListAppInstancesResponse'
    { appInstances =
        Prelude.Nothing,
      nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The information for each @AppInstance@.
listAppInstancesResponse_appInstances :: Lens.Lens' ListAppInstancesResponse (Prelude.Maybe [AppInstanceSummary])
listAppInstancesResponse_appInstances = Lens.lens (\ListAppInstancesResponse' {appInstances} -> appInstances) (\s@ListAppInstancesResponse' {} a -> s {appInstances = a} :: ListAppInstancesResponse) Prelude.. Lens.mapping Lens.coerced

-- | The token passed by previous API requests until the maximum number of
-- @AppInstance@s is reached.
listAppInstancesResponse_nextToken :: Lens.Lens' ListAppInstancesResponse (Prelude.Maybe Prelude.Text)
listAppInstancesResponse_nextToken = Lens.lens (\ListAppInstancesResponse' {nextToken} -> nextToken) (\s@ListAppInstancesResponse' {} a -> s {nextToken = a} :: ListAppInstancesResponse) Prelude.. Lens.mapping Data._Sensitive

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

instance Prelude.NFData ListAppInstancesResponse where
  rnf ListAppInstancesResponse' {..} =
    Prelude.rnf appInstances
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus