{-# 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.ScimExternalIdStore.Mem
  ( scimExternalIdStoreToMem,
  )
where

import Data.Id (TeamId, UserId)
import Data.Map qualified as M
import Imports
import Polysemy
import Polysemy.State
import Wire.API.User.Scim (ScimUserCreationStatus, ValidScimId (..))
import Wire.ScimExternalIdStore

scimExternalIdStoreToMem ::
  Sem (ScimExternalIdStore ': r) a ->
  Sem r (Map (TeamId, Text) (UserId, Maybe ScimUserCreationStatus), a)
scimExternalIdStoreToMem = (runState mempty .) $
  reinterpret $ \case
    Insert tid eid uid -> modify $ M.insert (tid, eid) (uid, Nothing)
    Lookup tid eid -> fmap fst <$> gets (M.lookup (tid, eid))
    Delete tid eid -> modify $ M.delete (tid, eid)
    InsertStatus tid veid uid status -> modify $ M.insert (tid, veid.validScimIdExternal) (uid, Just status)
    LookupStatus tid veid -> ((=<<) (\(uid, mStatus) -> (uid,) <$> mStatus)) <$> gets (M.lookup (tid, veid.validScimIdExternal))
