syntax = "proto3";
package caretta_sync;

import "caretta_sync/common.proto";
import "tripod_id.proto";
import "google/protobuf/timestamp.proto";
import "google/protobuf/duration.proto";
import "google/protobuf/empty.proto";

service RemoteNode {
    rpc Info(RemoteNodeInfoRequest) returns (RemoteNodeInfoResponse);
    rpc List(stream RemoteNodeListRequest) returns (stream RemoteNodeListResponse);
}

message RemoteNodeIdentifier {
    oneof identifier {
        tripod_id.Double id = 1;
        caretta_sync.PublicKey public_key = 2;
    }
}

message RemoteNodeInfoRequest {
    RemoteNodeIdentifier remote_node = 1;
}

message RemoteNodeListRequest {}

message RemoteNodeInfoResponse {
    RemoteNodeInfo remote_node_info = 1;
}

message RemoteNodeListResponse {
    RemoteNodeInfo remote_node_info = 1;
}


message RemoteNodeInfo {

    // A messege of iroh::RemoteInfo.
    message RemoteInfo {
        message ConnectionType {
            message Mixed {
                caretta_sync.SocketAddr socket_addr = 1;
                caretta_sync.Url relay_url = 2; 
            }
            oneof conn_type {
                caretta_sync.SocketAddr direct = 1;
                caretta_sync.Url relay = 2;
                Mixed mixed = 3;
                google.protobuf.Empty none = 4;
            }
        }
        message DirectAddrInfo {
            message LastControl {
                enum ControlMsg {
                    PING = 0;
                    PONG = 1;
                    CALL_ME_MAYBE = 2;
                }
                google.protobuf.Duration duration = 1;
                ControlMsg control_msg = 2;
            }
            message Source {
                oneof source {
                    google.protobuf.Empty saved = 1;
                    google.protobuf.Empty udp = 2;
                    google.protobuf.Empty Relay = 3;
                    google.protobuf.Empty App = 4;
                    string discovery = 5;
                    string named_app = 6;
                };
                google.protobuf.Duration duration = 7;
            }
            caretta_sync.SocketAddr addr = 1;
            google.protobuf.Duration latency = 2;
            LastControl last_control = 3;
            google.protobuf.Duration last_payload = 4;
            google.protobuf.Duration last_alive = 5;
            repeated Source sources = 6;
        }

        message RelayUrlInfo {
            caretta_sync.Url relay_url = 1;
            google.protobuf.Duration last_alive = 2;
            google.protobuf.Duration latency = 3;
        }

        bool authorized = 2;
        caretta_sync.PublicKey public_key = 3;
        RelayUrlInfo relay_url = 4;
        repeated DirectAddrInfo addrs = 5;
        ConnectionType conn_type = 6;
        google.protobuf.Duration latency = 7;
        google.protobuf.Duration last_used = 8;
    }
    tripod_id.Double public_id = 1;
    RemoteInfo remote_info = 2;
}