syntax = "proto3";

package protobuf;

message PushNotificationRegistration {
  enum TokenType {
    UNKNOWN_TOKEN_TYPE = 0;
    APN_TOKEN = 1;
    FIREBASE_TOKEN = 2;
  }
  TokenType token_type = 1;
  string token = 2;
  string installation_id = 3;
  string access_token = 4;
  bool enabled = 5;
  uint64 version = 6;
  repeated bytes allowed_user_list = 7;
  repeated bytes blocked_chat_list = 8;
  bool unregister = 9;
}

message PushNotificationRegistrationResponse {
  bool success = 1;
  ErrorType error = 2;
  bytes request_id = 3;

  enum ErrorType {
    UNKNOWN_ERROR_TYPE = 0;
    MALFORMED_MESSAGE = 1;
    VERSION_MISMATCH = 2;
    UNSUPPORTED_TOKEN_TYPE = 3;
    INTERNAL_ERROR = 4;
  }
}

message PushNotificationAdvertisementInfo {
  bytes public_key = 1;
  string access_token = 2;
  string installation_id = 3;
}

message ContactCodeAdvertisement {
  repeated PushNotificationAdvertisementInfo push_notification_info = 1;
}

message PushNotificationQuery {
  repeated bytes public_keys = 1;
}

message PushNotificationQueryInfo {
  string access_token = 1;
  string installation_id = 2;
  bytes public_key = 3;
  repeated bytes allowed_user_list = 4;
}

message PushNotificationQueryResponse {
  repeated PushNotificationQueryInfo info = 1;
  bool success = 2;
}

message PushNotification {
  string access_token = 1;
  string chat_id = 2;
}

message PushNotificationRequest {
  repeated PushNotification requests = 1;
  bytes message = 2;
  string message_id = 3;
  string ack_required = 4;
}

message PushNotificationAcknowledgement {
  string id = 1;
}