{-# OPTIONS_GHC -fplugin=Polysemy.Plugin #-}

-- This file is part of the Wire Server implementation.
--
-- Copyright (C) 2022 Wire Swiss GmbH <opensource@wire.com>
--
-- This program is free software: you can redistribute it and/or modify it under
-- the terms of the GNU Affero General Public License as published by the Free
-- Software Foundation, either version 3 of the License, or (at your option) any
-- later version.
--
-- This program is distributed in the hope that it will be useful, but WITHOUT
-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-- FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
-- details.
--
-- You should have received a copy of the GNU Affero General Public License along
-- with this program. If not, see <https://www.gnu.org/licenses/>.

module Wire.VerdictFormatStore.Mem
  ( verdictFormatStoreToMem,
  )
where

import Data.Map qualified as M
import Imports
import Polysemy
import Polysemy.State hiding (Get)
import SAML2.WebSSO (addTime)
import SAML2.WebSSO.Types qualified as SAML
import Wire.API.User.Saml (AReqId, VerdictFormat)
import Wire.Sem.Now (Now, boolTTL)
import Wire.Sem.Now qualified as Now
import Wire.VerdictFormatStore

verdictFormatStoreToMem ::
  (Member Now r) =>
  Sem (VerdictFormatStore ': r) a ->
  Sem r (Map AReqId (SAML.Time, VerdictFormat), a)
verdictFormatStoreToMem =
  (runState mempty .) $
    reinterpret $ \case
      Store ndt areqid vf -> do
        now <- SAML.Time <$> Now.get
        modify $ M.insert areqid (addTime ndt now, vf)
      Get areqid -> do
        gets (M.lookup areqid) >>= \case
          Just (time, vf) -> do
            boolTTL Nothing (Just vf) time
          Nothing -> pure Nothing
