-- 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/>.
{-# LANGUAGE GeneralizedNewtypeDeriving #-}

-- This file is part of the Wire Server implementation.
--
-- Copyright (C) 2025 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.API.MLS.Lifetime where

import Data.Time.Clock.POSIX
import Imports
import Test.QuickCheck
import Wire.API.MLS.Serialisation
import Wire.Arbitrary

-- | Seconds since the UNIX epoch.
newtype Timestamp = Timestamp {timestampSeconds :: Word64}
  deriving newtype (Eq, Show, Arbitrary, ParseMLS, SerialiseMLS)

tsPOSIX :: Timestamp -> POSIXTime
tsPOSIX = fromIntegral . timestampSeconds

-- | https://messaginglayersecurity.rocks/mls-protocol/draft-ietf-mls-protocol-20/draft-ietf-mls-protocol.html#section-7.2-2
data Lifetime = Lifetime
  { ltNotBefore :: Timestamp,
    ltNotAfter :: Timestamp
  }
  deriving stock (Eq, Show, Generic)
  deriving (Arbitrary) via GenericUniform Lifetime

instance ParseMLS Lifetime where
  parseMLS = Lifetime <$> parseMLS <*> parseMLS

instance SerialiseMLS Lifetime where
  serialiseMLS lt = do
    serialiseMLS lt.ltNotBefore
    serialiseMLS lt.ltNotAfter
