content: -- 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.API.MLS.Capabilities where
  
  import Imports
  import Test.QuickCheck
  import Wire.API.MLS.CipherSuite
  import Wire.API.MLS.Serialisation
  import Wire.Arbitrary
  
  -- | https://messaginglayersecurity.rocks/mls-protocol/draft-ietf-mls-protocol-20/draft-ietf-mls-protocol.html#section-7.2-2
  data Capabilities = Capabilities
    { versions :: [Word16],
      ciphersuites :: [CipherSuite],
      extensions :: [Word16],
      proposals :: [Word16],
      credentials :: [Word16]
    }
    deriving (Show, Eq, Generic)
    deriving (Arbitrary) via (GenericUniform Capabilities)
  
  instance ParseMLS Capabilities where
    parseMLS =
      Capabilities
        <$> parseMLSVector @VarInt parseMLS
        <*> parseMLSVector @VarInt parseMLS
        <*> parseMLSVector @VarInt parseMLS
        <*> parseMLSVector @VarInt parseMLS
        <*> parseMLSVector @VarInt parseMLS
  
  instance SerialiseMLS Capabilities where
    serialiseMLS caps = do
      serialiseMLSVector @VarInt serialiseMLS caps.versions
      serialiseMLSVector @VarInt serialiseMLS caps.ciphersuites
      serialiseMLSVector @VarInt serialiseMLS caps.extensions
      serialiseMLSVector @VarInt serialiseMLS caps.proposals
      serialiseMLSVector @VarInt serialiseMLS caps.credentials
  