{-# 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.AmplifyUiBuilder.ListComponents
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Retrieves a list of components for a specified Amplify app and backend
-- environment.
--
-- This operation returns paginated results.
module Amazonka.AmplifyUiBuilder.ListComponents
  ( -- * Creating a Request
    ListComponents (..),
    newListComponents,

    -- * Request Lenses
    listComponents_maxResults,
    listComponents_nextToken,
    listComponents_appId,
    listComponents_environmentName,

    -- * Destructuring the Response
    ListComponentsResponse (..),
    newListComponentsResponse,

    -- * Response Lenses
    listComponentsResponse_nextToken,
    listComponentsResponse_httpStatus,
    listComponentsResponse_entities,
  )
where

import Amazonka.AmplifyUiBuilder.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:/ 'newListComponents' smart constructor.
data ListComponents = ListComponents'
  { -- | The maximum number of components to retrieve.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | The token to request the next page of results.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The unique ID for the Amplify app.
    appId :: Prelude.Text,
    -- | The name of the backend environment that is a part of the Amplify app.
    environmentName :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListComponents' 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', 'listComponents_maxResults' - The maximum number of components to retrieve.
--
-- 'nextToken', 'listComponents_nextToken' - The token to request the next page of results.
--
-- 'appId', 'listComponents_appId' - The unique ID for the Amplify app.
--
-- 'environmentName', 'listComponents_environmentName' - The name of the backend environment that is a part of the Amplify app.
newListComponents ::
  -- | 'appId'
  Prelude.Text ->
  -- | 'environmentName'
  Prelude.Text ->
  ListComponents
newListComponents pAppId_ pEnvironmentName_ =
  ListComponents'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      appId = pAppId_,
      environmentName = pEnvironmentName_
    }

-- | The maximum number of components to retrieve.
listComponents_maxResults :: Lens.Lens' ListComponents (Prelude.Maybe Prelude.Natural)
listComponents_maxResults = Lens.lens (\ListComponents' {maxResults} -> maxResults) (\s@ListComponents' {} a -> s {maxResults = a} :: ListComponents)

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

-- | The unique ID for the Amplify app.
listComponents_appId :: Lens.Lens' ListComponents Prelude.Text
listComponents_appId = Lens.lens (\ListComponents' {appId} -> appId) (\s@ListComponents' {} a -> s {appId = a} :: ListComponents)

-- | The name of the backend environment that is a part of the Amplify app.
listComponents_environmentName :: Lens.Lens' ListComponents Prelude.Text
listComponents_environmentName = Lens.lens (\ListComponents' {environmentName} -> environmentName) (\s@ListComponents' {} a -> s {environmentName = a} :: ListComponents)

instance Core.AWSPager ListComponents where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listComponentsResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        (rs Lens.^. listComponentsResponse_entities) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listComponents_nextToken
          Lens..~ rs
          Lens.^? listComponentsResponse_nextToken
          Prelude.. Lens._Just

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

instance Prelude.Hashable ListComponents where
  hashWithSalt _salt ListComponents' {..} =
    _salt
      `Prelude.hashWithSalt` maxResults
      `Prelude.hashWithSalt` nextToken
      `Prelude.hashWithSalt` appId
      `Prelude.hashWithSalt` environmentName

instance Prelude.NFData ListComponents where
  rnf ListComponents' {..} =
    Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf appId
      `Prelude.seq` Prelude.rnf environmentName

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

instance Data.ToPath ListComponents where
  toPath ListComponents' {..} =
    Prelude.mconcat
      [ "/app/",
        Data.toBS appId,
        "/environment/",
        Data.toBS environmentName,
        "/components"
      ]

instance Data.ToQuery ListComponents where
  toQuery ListComponents' {..} =
    Prelude.mconcat
      [ "maxResults" Data.=: maxResults,
        "nextToken" Data.=: nextToken
      ]

-- | /See:/ 'newListComponentsResponse' smart constructor.
data ListComponentsResponse = ListComponentsResponse'
  { -- | The pagination token that\'s included if more results are available.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int,
    -- | The list of components for the Amplify app.
    entities :: [ComponentSummary]
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListComponentsResponse' 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', 'listComponentsResponse_nextToken' - The pagination token that\'s included if more results are available.
--
-- 'httpStatus', 'listComponentsResponse_httpStatus' - The response's http status code.
--
-- 'entities', 'listComponentsResponse_entities' - The list of components for the Amplify app.
newListComponentsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListComponentsResponse
newListComponentsResponse pHttpStatus_ =
  ListComponentsResponse'
    { nextToken =
        Prelude.Nothing,
      httpStatus = pHttpStatus_,
      entities = Prelude.mempty
    }

-- | The pagination token that\'s included if more results are available.
listComponentsResponse_nextToken :: Lens.Lens' ListComponentsResponse (Prelude.Maybe Prelude.Text)
listComponentsResponse_nextToken = Lens.lens (\ListComponentsResponse' {nextToken} -> nextToken) (\s@ListComponentsResponse' {} a -> s {nextToken = a} :: ListComponentsResponse)

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

-- | The list of components for the Amplify app.
listComponentsResponse_entities :: Lens.Lens' ListComponentsResponse [ComponentSummary]
listComponentsResponse_entities = Lens.lens (\ListComponentsResponse' {entities} -> entities) (\s@ListComponentsResponse' {} a -> s {entities = a} :: ListComponentsResponse) Prelude.. Lens.coerced

instance Prelude.NFData ListComponentsResponse where
  rnf ListComponentsResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus
      `Prelude.seq` Prelude.rnf entities