{-# 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.Lambda.ListLayerVersions
-- 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 the versions of an
-- <https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html Lambda layer>.
-- Versions that have been deleted aren\'t listed. Specify a
-- <https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html runtime identifier>
-- to list only versions that indicate that they\'re compatible with that
-- runtime. Specify a compatible architecture to include only layer
-- versions that are compatible with that architecture.
--
-- This operation returns paginated results.
module Amazonka.Lambda.ListLayerVersions
  ( -- * Creating a Request
    ListLayerVersions (..),
    newListLayerVersions,

    -- * Request Lenses
    listLayerVersions_compatibleArchitecture,
    listLayerVersions_compatibleRuntime,
    listLayerVersions_marker,
    listLayerVersions_maxItems,
    listLayerVersions_layerName,

    -- * Destructuring the Response
    ListLayerVersionsResponse (..),
    newListLayerVersionsResponse,

    -- * Response Lenses
    listLayerVersionsResponse_layerVersions,
    listLayerVersionsResponse_nextMarker,
    listLayerVersionsResponse_httpStatus,
  )
where

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

-- | /See:/ 'newListLayerVersions' smart constructor.
data ListLayerVersions = ListLayerVersions'
  { -- | The compatible
    -- <https://docs.aws.amazon.com/lambda/latest/dg/foundation-arch.html instruction set architecture>.
    compatibleArchitecture :: Prelude.Maybe Architecture,
    -- | A runtime identifier. For example, @go1.x@.
    compatibleRuntime :: Prelude.Maybe Runtime,
    -- | A pagination token returned by a previous call.
    marker :: Prelude.Maybe Prelude.Text,
    -- | The maximum number of versions to return.
    maxItems :: Prelude.Maybe Prelude.Natural,
    -- | The name or Amazon Resource Name (ARN) of the layer.
    layerName :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListLayerVersions' 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:
--
-- 'compatibleArchitecture', 'listLayerVersions_compatibleArchitecture' - The compatible
-- <https://docs.aws.amazon.com/lambda/latest/dg/foundation-arch.html instruction set architecture>.
--
-- 'compatibleRuntime', 'listLayerVersions_compatibleRuntime' - A runtime identifier. For example, @go1.x@.
--
-- 'marker', 'listLayerVersions_marker' - A pagination token returned by a previous call.
--
-- 'maxItems', 'listLayerVersions_maxItems' - The maximum number of versions to return.
--
-- 'layerName', 'listLayerVersions_layerName' - The name or Amazon Resource Name (ARN) of the layer.
newListLayerVersions ::
  -- | 'layerName'
  Prelude.Text ->
  ListLayerVersions
newListLayerVersions pLayerName_ =
  ListLayerVersions'
    { compatibleArchitecture =
        Prelude.Nothing,
      compatibleRuntime = Prelude.Nothing,
      marker = Prelude.Nothing,
      maxItems = Prelude.Nothing,
      layerName = pLayerName_
    }

-- | The compatible
-- <https://docs.aws.amazon.com/lambda/latest/dg/foundation-arch.html instruction set architecture>.
listLayerVersions_compatibleArchitecture :: Lens.Lens' ListLayerVersions (Prelude.Maybe Architecture)
listLayerVersions_compatibleArchitecture = Lens.lens (\ListLayerVersions' {compatibleArchitecture} -> compatibleArchitecture) (\s@ListLayerVersions' {} a -> s {compatibleArchitecture = a} :: ListLayerVersions)

-- | A runtime identifier. For example, @go1.x@.
listLayerVersions_compatibleRuntime :: Lens.Lens' ListLayerVersions (Prelude.Maybe Runtime)
listLayerVersions_compatibleRuntime = Lens.lens (\ListLayerVersions' {compatibleRuntime} -> compatibleRuntime) (\s@ListLayerVersions' {} a -> s {compatibleRuntime = a} :: ListLayerVersions)

-- | A pagination token returned by a previous call.
listLayerVersions_marker :: Lens.Lens' ListLayerVersions (Prelude.Maybe Prelude.Text)
listLayerVersions_marker = Lens.lens (\ListLayerVersions' {marker} -> marker) (\s@ListLayerVersions' {} a -> s {marker = a} :: ListLayerVersions)

-- | The maximum number of versions to return.
listLayerVersions_maxItems :: Lens.Lens' ListLayerVersions (Prelude.Maybe Prelude.Natural)
listLayerVersions_maxItems = Lens.lens (\ListLayerVersions' {maxItems} -> maxItems) (\s@ListLayerVersions' {} a -> s {maxItems = a} :: ListLayerVersions)

-- | The name or Amazon Resource Name (ARN) of the layer.
listLayerVersions_layerName :: Lens.Lens' ListLayerVersions Prelude.Text
listLayerVersions_layerName = Lens.lens (\ListLayerVersions' {layerName} -> layerName) (\s@ListLayerVersions' {} a -> s {layerName = a} :: ListLayerVersions)

instance Core.AWSPager ListLayerVersions where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listLayerVersionsResponse_nextMarker
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listLayerVersionsResponse_layerVersions
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listLayerVersions_marker
          Lens..~ rs
          Lens.^? listLayerVersionsResponse_nextMarker
          Prelude.. Lens._Just

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

instance Prelude.Hashable ListLayerVersions where
  hashWithSalt _salt ListLayerVersions' {..} =
    _salt
      `Prelude.hashWithSalt` compatibleArchitecture
      `Prelude.hashWithSalt` compatibleRuntime
      `Prelude.hashWithSalt` marker
      `Prelude.hashWithSalt` maxItems
      `Prelude.hashWithSalt` layerName

instance Prelude.NFData ListLayerVersions where
  rnf ListLayerVersions' {..} =
    Prelude.rnf compatibleArchitecture
      `Prelude.seq` Prelude.rnf compatibleRuntime
      `Prelude.seq` Prelude.rnf marker
      `Prelude.seq` Prelude.rnf maxItems
      `Prelude.seq` Prelude.rnf layerName

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

instance Data.ToPath ListLayerVersions where
  toPath ListLayerVersions' {..} =
    Prelude.mconcat
      [ "/2018-10-31/layers/",
        Data.toBS layerName,
        "/versions"
      ]

instance Data.ToQuery ListLayerVersions where
  toQuery ListLayerVersions' {..} =
    Prelude.mconcat
      [ "CompatibleArchitecture"
          Data.=: compatibleArchitecture,
        "CompatibleRuntime" Data.=: compatibleRuntime,
        "Marker" Data.=: marker,
        "MaxItems" Data.=: maxItems
      ]

-- | /See:/ 'newListLayerVersionsResponse' smart constructor.
data ListLayerVersionsResponse = ListLayerVersionsResponse'
  { -- | A list of versions.
    layerVersions :: Prelude.Maybe [LayerVersionsListItem],
    -- | A pagination token returned when the response doesn\'t contain all
    -- versions.
    nextMarker :: 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 'ListLayerVersionsResponse' 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:
--
-- 'layerVersions', 'listLayerVersionsResponse_layerVersions' - A list of versions.
--
-- 'nextMarker', 'listLayerVersionsResponse_nextMarker' - A pagination token returned when the response doesn\'t contain all
-- versions.
--
-- 'httpStatus', 'listLayerVersionsResponse_httpStatus' - The response's http status code.
newListLayerVersionsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListLayerVersionsResponse
newListLayerVersionsResponse pHttpStatus_ =
  ListLayerVersionsResponse'
    { layerVersions =
        Prelude.Nothing,
      nextMarker = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | A list of versions.
listLayerVersionsResponse_layerVersions :: Lens.Lens' ListLayerVersionsResponse (Prelude.Maybe [LayerVersionsListItem])
listLayerVersionsResponse_layerVersions = Lens.lens (\ListLayerVersionsResponse' {layerVersions} -> layerVersions) (\s@ListLayerVersionsResponse' {} a -> s {layerVersions = a} :: ListLayerVersionsResponse) Prelude.. Lens.mapping Lens.coerced

-- | A pagination token returned when the response doesn\'t contain all
-- versions.
listLayerVersionsResponse_nextMarker :: Lens.Lens' ListLayerVersionsResponse (Prelude.Maybe Prelude.Text)
listLayerVersionsResponse_nextMarker = Lens.lens (\ListLayerVersionsResponse' {nextMarker} -> nextMarker) (\s@ListLayerVersionsResponse' {} a -> s {nextMarker = a} :: ListLayerVersionsResponse)

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

instance Prelude.NFData ListLayerVersionsResponse where
  rnf ListLayerVersionsResponse' {..} =
    Prelude.rnf layerVersions
      `Prelude.seq` Prelude.rnf nextMarker
      `Prelude.seq` Prelude.rnf httpStatus