{-# 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.ListVersionsByFunction
-- 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
-- <https://docs.aws.amazon.com/lambda/latest/dg/versioning-aliases.html versions>,
-- with the version-specific configuration of each. Lambda returns up to 50
-- versions per call.
--
-- This operation returns paginated results.
module Amazonka.Lambda.ListVersionsByFunction
  ( -- * Creating a Request
    ListVersionsByFunction (..),
    newListVersionsByFunction,

    -- * Request Lenses
    listVersionsByFunction_marker,
    listVersionsByFunction_maxItems,
    listVersionsByFunction_functionName,

    -- * Destructuring the Response
    ListVersionsByFunctionResponse (..),
    newListVersionsByFunctionResponse,

    -- * Response Lenses
    listVersionsByFunctionResponse_nextMarker,
    listVersionsByFunctionResponse_versions,
    listVersionsByFunctionResponse_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:/ 'newListVersionsByFunction' smart constructor.
data ListVersionsByFunction = ListVersionsByFunction'
  { -- | Specify the pagination token that\'s returned by a previous request to
    -- retrieve the next page of results.
    marker :: Prelude.Maybe Prelude.Text,
    -- | The maximum number of versions to return. Note that
    -- @ListVersionsByFunction@ returns a maximum of 50 items in each response,
    -- even if you set the number higher.
    maxItems :: Prelude.Maybe Prelude.Natural,
    -- | The name of the Lambda function.
    --
    -- __Name formats__
    --
    -- -   __Function name__ - @MyFunction@.
    --
    -- -   __Function ARN__ -
    --     @arn:aws:lambda:us-west-2:123456789012:function:MyFunction@.
    --
    -- -   __Partial ARN__ - @123456789012:function:MyFunction@.
    --
    -- The length constraint applies only to the full ARN. If you specify only
    -- the function name, it is limited to 64 characters in length.
    functionName :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListVersionsByFunction' 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:
--
-- 'marker', 'listVersionsByFunction_marker' - Specify the pagination token that\'s returned by a previous request to
-- retrieve the next page of results.
--
-- 'maxItems', 'listVersionsByFunction_maxItems' - The maximum number of versions to return. Note that
-- @ListVersionsByFunction@ returns a maximum of 50 items in each response,
-- even if you set the number higher.
--
-- 'functionName', 'listVersionsByFunction_functionName' - The name of the Lambda function.
--
-- __Name formats__
--
-- -   __Function name__ - @MyFunction@.
--
-- -   __Function ARN__ -
--     @arn:aws:lambda:us-west-2:123456789012:function:MyFunction@.
--
-- -   __Partial ARN__ - @123456789012:function:MyFunction@.
--
-- The length constraint applies only to the full ARN. If you specify only
-- the function name, it is limited to 64 characters in length.
newListVersionsByFunction ::
  -- | 'functionName'
  Prelude.Text ->
  ListVersionsByFunction
newListVersionsByFunction pFunctionName_ =
  ListVersionsByFunction'
    { marker = Prelude.Nothing,
      maxItems = Prelude.Nothing,
      functionName = pFunctionName_
    }

-- | Specify the pagination token that\'s returned by a previous request to
-- retrieve the next page of results.
listVersionsByFunction_marker :: Lens.Lens' ListVersionsByFunction (Prelude.Maybe Prelude.Text)
listVersionsByFunction_marker = Lens.lens (\ListVersionsByFunction' {marker} -> marker) (\s@ListVersionsByFunction' {} a -> s {marker = a} :: ListVersionsByFunction)

-- | The maximum number of versions to return. Note that
-- @ListVersionsByFunction@ returns a maximum of 50 items in each response,
-- even if you set the number higher.
listVersionsByFunction_maxItems :: Lens.Lens' ListVersionsByFunction (Prelude.Maybe Prelude.Natural)
listVersionsByFunction_maxItems = Lens.lens (\ListVersionsByFunction' {maxItems} -> maxItems) (\s@ListVersionsByFunction' {} a -> s {maxItems = a} :: ListVersionsByFunction)

-- | The name of the Lambda function.
--
-- __Name formats__
--
-- -   __Function name__ - @MyFunction@.
--
-- -   __Function ARN__ -
--     @arn:aws:lambda:us-west-2:123456789012:function:MyFunction@.
--
-- -   __Partial ARN__ - @123456789012:function:MyFunction@.
--
-- The length constraint applies only to the full ARN. If you specify only
-- the function name, it is limited to 64 characters in length.
listVersionsByFunction_functionName :: Lens.Lens' ListVersionsByFunction Prelude.Text
listVersionsByFunction_functionName = Lens.lens (\ListVersionsByFunction' {functionName} -> functionName) (\s@ListVersionsByFunction' {} a -> s {functionName = a} :: ListVersionsByFunction)

instance Core.AWSPager ListVersionsByFunction where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listVersionsByFunctionResponse_nextMarker
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listVersionsByFunctionResponse_versions
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listVersionsByFunction_marker
          Lens..~ rs
          Lens.^? listVersionsByFunctionResponse_nextMarker
          Prelude.. Lens._Just

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

instance Prelude.Hashable ListVersionsByFunction where
  hashWithSalt _salt ListVersionsByFunction' {..} =
    _salt
      `Prelude.hashWithSalt` marker
      `Prelude.hashWithSalt` maxItems
      `Prelude.hashWithSalt` functionName

instance Prelude.NFData ListVersionsByFunction where
  rnf ListVersionsByFunction' {..} =
    Prelude.rnf marker
      `Prelude.seq` Prelude.rnf maxItems
      `Prelude.seq` Prelude.rnf functionName

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

instance Data.ToPath ListVersionsByFunction where
  toPath ListVersionsByFunction' {..} =
    Prelude.mconcat
      [ "/2015-03-31/functions/",
        Data.toBS functionName,
        "/versions"
      ]

instance Data.ToQuery ListVersionsByFunction where
  toQuery ListVersionsByFunction' {..} =
    Prelude.mconcat
      [ "Marker" Data.=: marker,
        "MaxItems" Data.=: maxItems
      ]

-- | /See:/ 'newListVersionsByFunctionResponse' smart constructor.
data ListVersionsByFunctionResponse = ListVersionsByFunctionResponse'
  { -- | The pagination token that\'s included if more results are available.
    nextMarker :: Prelude.Maybe Prelude.Text,
    -- | A list of Lambda function versions.
    versions :: Prelude.Maybe [FunctionConfiguration],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListVersionsByFunctionResponse' 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:
--
-- 'nextMarker', 'listVersionsByFunctionResponse_nextMarker' - The pagination token that\'s included if more results are available.
--
-- 'versions', 'listVersionsByFunctionResponse_versions' - A list of Lambda function versions.
--
-- 'httpStatus', 'listVersionsByFunctionResponse_httpStatus' - The response's http status code.
newListVersionsByFunctionResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListVersionsByFunctionResponse
newListVersionsByFunctionResponse pHttpStatus_ =
  ListVersionsByFunctionResponse'
    { nextMarker =
        Prelude.Nothing,
      versions = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

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

-- | A list of Lambda function versions.
listVersionsByFunctionResponse_versions :: Lens.Lens' ListVersionsByFunctionResponse (Prelude.Maybe [FunctionConfiguration])
listVersionsByFunctionResponse_versions = Lens.lens (\ListVersionsByFunctionResponse' {versions} -> versions) (\s@ListVersionsByFunctionResponse' {} a -> s {versions = a} :: ListVersionsByFunctionResponse) Prelude.. Lens.mapping Lens.coerced

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

instance
  Prelude.NFData
    ListVersionsByFunctionResponse
  where
  rnf ListVersionsByFunctionResponse' {..} =
    Prelude.rnf nextMarker
      `Prelude.seq` Prelude.rnf versions
      `Prelude.seq` Prelude.rnf httpStatus