/**
 * Copyright (C) 2019 Open Whisper Systems
 *
 * Licensed according to the LICENSE file in this repository.
 */
syntax = "proto3";

option java_package        = "org.signal.storageservice.protos.groups";
option java_multiple_files = true;

message AvatarUploadAttributes {
  string key        = 1;
  string credential = 2;
  string acl        = 3;
  string algorithm  = 4;
  string date       = 5;
  string policy     = 6;
  string signature  = 7;
}

message Member {
  enum Role {
    UNKNOWN       = 0;
    DEFAULT       = 1;
    ADMINISTRATOR = 2;
  }

  bytes  userId          = 1;
  Role   role            = 2;
  bytes  profileKey      = 3;
  bytes  presentation    = 4;
  uint32 joinedAtVersion = 5;
}

message PendingMember {
  Member member        = 1;
  bytes  addedByUserId = 2;
  uint64 timestamp     = 3;
}

message AccessControl {
  enum AccessRequired {
    UNKNOWN       = 0;
    ANY           = 1;
    MEMBER        = 2;
    ADMINISTRATOR = 3;
  }

  AccessRequired attributes = 1;
  AccessRequired members    = 2;
}

message Group {
           bytes         publicKey                 = 1;
           bytes         title                     = 2;
           string        avatar                    = 3;
           bytes         disappearingMessagesTimer = 4;
           AccessControl accessControl             = 5;
           uint32        version                   = 6;
  repeated Member        members                   = 7;
  repeated PendingMember pendingMembers            = 8;
}

message GroupChange {

  message Actions {

    message AddMemberAction {
      Member added = 1;
    }

    message DeleteMemberAction {
      bytes deletedUserId = 1;
    }

    message ModifyMemberRoleAction {
      bytes       userId = 1;
      Member.Role role   = 2;
    }

    message ModifyMemberProfileKeyAction {
      bytes presentation = 1;
    }

    message AddPendingMemberAction {
      PendingMember added = 1;
    }

    message DeletePendingMemberAction {
      bytes deletedUserId = 1;
    }

    message PromotePendingMemberAction {
      bytes presentation = 1;
    }

    message ModifyTitleAction {
      bytes title = 1;
    }

    message ModifyAvatarAction {
      string avatar = 1;
    }

    message ModifyDisappearingMessagesTimerAction {
      bytes timer = 1;
    }

    message ModifyAttributesAccessControlAction {
      AccessControl.AccessRequired attributesAccess = 1;
    }

    message ModifyMembersAccessControlAction {
      AccessControl.AccessRequired membersAccess = 1;
    }

             bytes                                 sourceUuid                      = 1;
             uint32                                version                         = 2;
    repeated AddMemberAction                       addMembers                      = 3;
    repeated DeleteMemberAction                    deleteMembers                   = 4;
    repeated ModifyMemberRoleAction                modifyMemberRoles               = 5;
    repeated ModifyMemberProfileKeyAction          modifyMemberProfileKeys         = 6;
    repeated AddPendingMemberAction                addPendingMembers               = 7;
    repeated DeletePendingMemberAction             deletePendingMembers            = 8;
    repeated PromotePendingMemberAction            promotePendingMembers           = 9;
             ModifyTitleAction                     modifyTitle                     = 10;
             ModifyAvatarAction                    modifyAvatar                    = 11;
             ModifyDisappearingMessagesTimerAction modifyDisappearingMessagesTimer = 12;
             ModifyAttributesAccessControlAction   modifyAttributesAccess          = 13;
             ModifyMembersAccessControlAction      modifyMemberAccess              = 14;
  }

  bytes actions         = 1;
  bytes serverSignature = 2;
}

message GroupChanges {
  message GroupChangeState {
    GroupChange groupChange = 1;
    Group       groupState  = 2;
  }

  repeated GroupChangeState groupChanges = 1;
}

message DisappearingMessagesTimer {
  uint32 duration = 1;
}