{-# 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.AppSync.GetFunction
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Get a @Function@.
module Amazonka.AppSync.GetFunction
  ( -- * Creating a Request
    GetFunction (..),
    newGetFunction,

    -- * Request Lenses
    getFunction_apiId,
    getFunction_functionId,

    -- * Destructuring the Response
    GetFunctionResponse (..),
    newGetFunctionResponse,

    -- * Response Lenses
    getFunctionResponse_functionConfiguration,
    getFunctionResponse_httpStatus,
  )
where

import Amazonka.AppSync.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:/ 'newGetFunction' smart constructor.
data GetFunction = GetFunction'
  { -- | The GraphQL API ID.
    apiId :: Prelude.Text,
    -- | The @Function@ ID.
    functionId :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetFunction' 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:
--
-- 'apiId', 'getFunction_apiId' - The GraphQL API ID.
--
-- 'functionId', 'getFunction_functionId' - The @Function@ ID.
newGetFunction ::
  -- | 'apiId'
  Prelude.Text ->
  -- | 'functionId'
  Prelude.Text ->
  GetFunction
newGetFunction pApiId_ pFunctionId_ =
  GetFunction'
    { apiId = pApiId_,
      functionId = pFunctionId_
    }

-- | The GraphQL API ID.
getFunction_apiId :: Lens.Lens' GetFunction Prelude.Text
getFunction_apiId = Lens.lens (\GetFunction' {apiId} -> apiId) (\s@GetFunction' {} a -> s {apiId = a} :: GetFunction)

-- | The @Function@ ID.
getFunction_functionId :: Lens.Lens' GetFunction Prelude.Text
getFunction_functionId = Lens.lens (\GetFunction' {functionId} -> functionId) (\s@GetFunction' {} a -> s {functionId = a} :: GetFunction)

instance Core.AWSRequest GetFunction where
  type AWSResponse GetFunction = GetFunctionResponse
  request overrides =
    Request.get (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          GetFunctionResponse'
            Prelude.<$> (x Data..?> "functionConfiguration")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable GetFunction where
  hashWithSalt _salt GetFunction' {..} =
    _salt
      `Prelude.hashWithSalt` apiId
      `Prelude.hashWithSalt` functionId

instance Prelude.NFData GetFunction where
  rnf GetFunction' {..} =
    Prelude.rnf apiId
      `Prelude.seq` Prelude.rnf functionId

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

instance Data.ToPath GetFunction where
  toPath GetFunction' {..} =
    Prelude.mconcat
      [ "/v1/apis/",
        Data.toBS apiId,
        "/functions/",
        Data.toBS functionId
      ]

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

-- | /See:/ 'newGetFunctionResponse' smart constructor.
data GetFunctionResponse = GetFunctionResponse'
  { -- | The @Function@ object.
    functionConfiguration :: Prelude.Maybe FunctionConfiguration,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetFunctionResponse' 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:
--
-- 'functionConfiguration', 'getFunctionResponse_functionConfiguration' - The @Function@ object.
--
-- 'httpStatus', 'getFunctionResponse_httpStatus' - The response's http status code.
newGetFunctionResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  GetFunctionResponse
newGetFunctionResponse pHttpStatus_ =
  GetFunctionResponse'
    { functionConfiguration =
        Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The @Function@ object.
getFunctionResponse_functionConfiguration :: Lens.Lens' GetFunctionResponse (Prelude.Maybe FunctionConfiguration)
getFunctionResponse_functionConfiguration = Lens.lens (\GetFunctionResponse' {functionConfiguration} -> functionConfiguration) (\s@GetFunctionResponse' {} a -> s {functionConfiguration = a} :: GetFunctionResponse)

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

instance Prelude.NFData GetFunctionResponse where
  rnf GetFunctionResponse' {..} =
    Prelude.rnf functionConfiguration
      `Prelude.seq` Prelude.rnf httpStatus