{-# 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.Personalize.DescribeCampaign
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Describes the given campaign, including its status.
--
-- A campaign can be in one of the following states:
--
-- -   CREATE PENDING > CREATE IN_PROGRESS > ACTIVE -or- CREATE FAILED
--
-- -   DELETE PENDING > DELETE IN_PROGRESS
--
-- When the @status@ is @CREATE FAILED@, the response includes the
-- @failureReason@ key, which describes why.
--
-- For more information on campaigns, see
-- <https://docs.aws.amazon.com/personalize/latest/dg/API_CreateCampaign.html CreateCampaign>.
module Amazonka.Personalize.DescribeCampaign
  ( -- * Creating a Request
    DescribeCampaign (..),
    newDescribeCampaign,

    -- * Request Lenses
    describeCampaign_campaignArn,

    -- * Destructuring the Response
    DescribeCampaignResponse (..),
    newDescribeCampaignResponse,

    -- * Response Lenses
    describeCampaignResponse_campaign,
    describeCampaignResponse_httpStatus,
  )
where

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

-- | /See:/ 'newDescribeCampaign' smart constructor.
data DescribeCampaign = DescribeCampaign'
  { -- | The Amazon Resource Name (ARN) of the campaign.
    campaignArn :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeCampaign' 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:
--
-- 'campaignArn', 'describeCampaign_campaignArn' - The Amazon Resource Name (ARN) of the campaign.
newDescribeCampaign ::
  -- | 'campaignArn'
  Prelude.Text ->
  DescribeCampaign
newDescribeCampaign pCampaignArn_ =
  DescribeCampaign' {campaignArn = pCampaignArn_}

-- | The Amazon Resource Name (ARN) of the campaign.
describeCampaign_campaignArn :: Lens.Lens' DescribeCampaign Prelude.Text
describeCampaign_campaignArn = Lens.lens (\DescribeCampaign' {campaignArn} -> campaignArn) (\s@DescribeCampaign' {} a -> s {campaignArn = a} :: DescribeCampaign)

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

instance Prelude.Hashable DescribeCampaign where
  hashWithSalt _salt DescribeCampaign' {..} =
    _salt `Prelude.hashWithSalt` campaignArn

instance Prelude.NFData DescribeCampaign where
  rnf DescribeCampaign' {..} = Prelude.rnf campaignArn

instance Data.ToHeaders DescribeCampaign where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "AmazonPersonalize.DescribeCampaign" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON DescribeCampaign where
  toJSON DescribeCampaign' {..} =
    Data.object
      ( Prelude.catMaybes
          [Prelude.Just ("campaignArn" Data..= campaignArn)]
      )

instance Data.ToPath DescribeCampaign where
  toPath = Prelude.const "/"

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

-- | /See:/ 'newDescribeCampaignResponse' smart constructor.
data DescribeCampaignResponse = DescribeCampaignResponse'
  { -- | The properties of the campaign.
    campaign :: Prelude.Maybe Campaign,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeCampaignResponse' 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:
--
-- 'campaign', 'describeCampaignResponse_campaign' - The properties of the campaign.
--
-- 'httpStatus', 'describeCampaignResponse_httpStatus' - The response's http status code.
newDescribeCampaignResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeCampaignResponse
newDescribeCampaignResponse pHttpStatus_ =
  DescribeCampaignResponse'
    { campaign =
        Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The properties of the campaign.
describeCampaignResponse_campaign :: Lens.Lens' DescribeCampaignResponse (Prelude.Maybe Campaign)
describeCampaignResponse_campaign = Lens.lens (\DescribeCampaignResponse' {campaign} -> campaign) (\s@DescribeCampaignResponse' {} a -> s {campaign = a} :: DescribeCampaignResponse)

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

instance Prelude.NFData DescribeCampaignResponse where
  rnf DescribeCampaignResponse' {..} =
    Prelude.rnf campaign
      `Prelude.seq` Prelude.rnf httpStatus