content: {-# LANGUAGE RecordWildCards #-}
  
  -- 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 Galley.API.One2One
    ( one2OneConvId,
      iUpsertOne2OneConversation,
    )
  where
  
  import Data.Id
  import Data.Qualified
  import Galley.Types.Conversations.One2One (one2OneConvId)
  import Imports
  import Polysemy
  import Wire.API.Conversation hiding (Member)
  import Wire.API.Conversation.Role
  import Wire.API.Routes.Internal.Galley.ConversationsIntra
  import Wire.API.User
  import Wire.ConversationStore
  import Wire.StoredConversation
  import Wire.UserList
  
  newConnectConversationWithRemote ::
    Local UserId ->
    UserList UserId ->
    NewConversation
  newConnectConversationWithRemote creator users =
    NewConversation
      { metadata =
          (defConversationMetadata (Just (tUnqualified creator)))
            { cnvmType = One2OneConv
            },
        users = fmap toUserRole users,
        protocol = BaseProtocolProteusTag,
        groupId = Nothing
      }
  
  iUpsertOne2OneConversation ::
    forall r.
    (Member ConversationStore r) =>
    UpsertOne2OneConversationRequest ->
    Sem r ()
  iUpsertOne2OneConversation UpsertOne2OneConversationRequest {..} = do
    let dolocal :: Local ConvId -> Sem r ()
        dolocal lconvId = do
          mbConv <- getConversation (tUnqualified lconvId)
          case mbConv of
            Nothing -> do
              let members =
                    case (uooActor, uooActorDesiredMembership) of
                      (LocalActor, Included) -> ulFromLocals [tUnqualified uooLocalUser]
                      (LocalActor, Excluded) -> mempty
                      (RemoteActor, Included) -> ulFromRemotes [uooRemoteUser]
                      (RemoteActor, Excluded) -> mempty
              unless (null members) . void $
                upsertConversation
                  lconvId
                  (newConnectConversationWithRemote uooLocalUser members)
            Just conv -> do
              case (uooActor, uooActorDesiredMembership) of
                (LocalActor, Included) -> do
                  void $ upsertMember lconvId uooLocalUser
                  unless (null conv.remoteMembers) $
                    acceptConnectConversation (tUnqualified lconvId)
                (LocalActor, Excluded) -> do
                  deleteMembers
                    (tUnqualified lconvId)
                    (UserList [tUnqualified uooLocalUser] [])
                (RemoteActor, Included) -> do
                  void $ upsertMembers (tUnqualified lconvId) (UserList [] [(,roleNameWireAdmin) <$> uooRemoteUser])
                  unless (null conv.localMembers) $
                    acceptConnectConversation (tUnqualified lconvId)
                (RemoteActor, Excluded) ->
                  deleteMembers
                    (tUnqualified lconvId)
                    (UserList [] [uooRemoteUser])
        doremote :: Remote ConvId -> Sem r ()
        doremote rconvId =
          case (uooActor, uooActorDesiredMembership) of
            (LocalActor, Included) -> do
              upsertMembersInRemoteConversation rconvId [tUnqualified uooLocalUser]
            (LocalActor, Excluded) -> do
              deleteMembersInRemoteConversation rconvId [tUnqualified uooLocalUser]
            (RemoteActor, _) -> pure ()
  
    foldQualified uooLocalUser dolocal doremote uooConvId
  