syntax = "proto3";

package hrafnsyn.v1;

import "google/protobuf/empty.proto";
import "google/protobuf/timestamp.proto";

option java_multiple_files = true;
option java_package = "io.hrafnsyn.v1";

enum VehicleType {
  VEHICLE_TYPE_UNSPECIFIED = 0;
  VEHICLE_TYPE_PLANE = 1;
  VEHICLE_TYPE_VESSEL = 2;
}

message SourceDescriptor {
  string id = 1;
  string name = 2;
  VehicleType vehicle_type = 3;
  string adapter = 4;
}

message Observation {
  VehicleType vehicle_type = 1;
  string identity = 2;
  string display_name = 3;
  string callsign = 4;
  string registration = 5;
  string country = 6;
  string category = 7;
  string status = 8;
  string destination = 9;
  double latitude = 10;
  double longitude = 11;
  double speed_knots = 12;
  double heading_degrees = 13;
  int32 altitude_feet = 14;
  google.protobuf.Timestamp observed_at = 15;
  bytes raw_payload_json = 16;
  string aircraft_type = 17;
  string type_description = 18;
  string wake_turbulence_category = 19;
}

message ObservationEnvelope {
  SourceDescriptor source = 1;
  Observation observation = 2;
}

message ClientHello {
  string client_name = 1;
  string client_version = 2;
  repeated string requested_source_ids = 3;
}

message Heartbeat {
  google.protobuf.Timestamp sent_at = 1;
}

message StreamObservationsRequest {
  oneof message {
    ClientHello hello = 1;
    ObservationEnvelope observation = 2;
    Heartbeat heartbeat = 3;
  }
}

message StreamAccepted {
  repeated string active_source_ids = 1;
  string server_version = 2;
}

message ObservationAck {
  string source_id = 1;
  string identity = 2;
  string track_id = 3;
  google.protobuf.Timestamp observed_at = 4;
}

message StreamNotice {
  string code = 1;
  string message = 2;
}

message StreamObservationsResponse {
  oneof message {
    StreamAccepted accepted = 1;
    ObservationAck ack = 2;
    StreamNotice notice = 3;
  }
}

message UserProfile {
  string id = 1;
  string username = 2;
  string email = 3;
  bool is_admin = 4;
}

message SessionInfo {
  string id = 1;
  bool current = 2;
  google.protobuf.Timestamp created_at = 3;
  google.protobuf.Timestamp last_used_at = 4;
  google.protobuf.Timestamp expires_at = 5;
  google.protobuf.Timestamp revoked_at = 6;
}

message AuthStatus {
  bool auth_required = 1;
  bool authenticated = 2;
  int32 access_token_ttl_seconds = 3;
  int32 refresh_token_ttl_seconds = 4;
  UserProfile current_user = 5;
}

message LoginRequest {
  string username = 1;
  string password = 2;
}

message RefreshRequest {
  string refresh_token = 1;
}

message TokenPair {
  string access_token = 1;
  string refresh_token = 2;
  google.protobuf.Timestamp access_token_expires_at = 3;
  google.protobuf.Timestamp refresh_token_expires_at = 4;
  SessionInfo session = 5;
  UserProfile user = 6;
}

message ListSessionsResponse {
  repeated SessionInfo sessions = 1;
}

message RevokeSessionRequest {
  string session_id = 1;
}

message RevocationResponse {
  string scope = 1;
  string session_id = 2;
  google.protobuf.Timestamp revoked_at = 3;
}

message ActiveCounts {
  int32 total = 1;
  int32 planes = 2;
  int32 vessels = 3;
}

message SystemInfo {
  repeated SourceDescriptor sources = 1;
  ActiveCounts counts = 2;
}

message TrackSummary {
  string id = 1;
  VehicleType vehicle_type = 2;
  string identity = 3;
  string latest_source_id = 4;
  string latest_source_name = 5;
  string display_name = 6;
  string callsign = 7;
  string registration = 8;
  string country = 9;
  string category = 10;
  string status = 11;
  string destination = 12;
  double latitude = 13;
  double longitude = 14;
  double speed_knots = 15;
  double heading_degrees = 16;
  int32 altitude_feet = 17;
  google.protobuf.Timestamp observed_at = 18;
  string aircraft_type = 19;
  string type_description = 20;
  string wake_turbulence_category = 21;
}

message ListActiveTracksRequest {
  int32 limit = 1;
  int32 active_window_minutes = 2;
}

message ListActiveTracksResponse {
  repeated TrackSummary tracks = 1;
  ActiveCounts counts = 2;
}

message SearchTracksRequest {
  string query = 1;
  int32 limit = 2;
  int32 active_window_minutes = 3;
}

message SearchTracksResponse {
  repeated TrackSummary tracks = 1;
}

message TrackPoint {
  string id = 1;
  string track_id = 2;
  string source_id = 3;
  string source_name = 4;
  VehicleType vehicle_type = 5;
  double latitude = 6;
  double longitude = 7;
  double speed_knots = 8;
  double heading_degrees = 9;
  int32 altitude_feet = 10;
  google.protobuf.Timestamp observed_at = 11;
}

message RouteStats {
  double distance_meters = 1;
  int32 observed_seconds = 2;
}

message GetTrackRequest {
  string track_id = 1;
  int32 history_hours = 2;
  int32 log_limit = 3;
}

message GetTrackResponse {
  TrackSummary track = 1;
  repeated TrackPoint route_points = 2;
  RouteStats route_stats = 3;
  repeated TrackPoint log_entries = 4;
}

message StreamTrackUpdatesRequest {
  int32 active_window_minutes = 1;
}

message TrackUpdate {
  repeated string track_ids = 1;
  ActiveCounts counts = 2;
  google.protobuf.Timestamp sent_at = 3;
}

service TrackingIngress {
  rpc StreamObservations(stream StreamObservationsRequest) returns (stream StreamObservationsResponse);
}

service TrackingService {
  rpc GetSystemInfo(google.protobuf.Empty) returns (SystemInfo);
  rpc ListActiveTracks(ListActiveTracksRequest) returns (ListActiveTracksResponse);
  rpc SearchTracks(SearchTracksRequest) returns (SearchTracksResponse);
  rpc GetTrack(GetTrackRequest) returns (GetTrackResponse);
  rpc StreamTrackUpdates(StreamTrackUpdatesRequest) returns (stream TrackUpdate);
}

service AuthService {
  rpc GetAuthStatus(google.protobuf.Empty) returns (AuthStatus);
  rpc Login(LoginRequest) returns (TokenPair);
  rpc Refresh(RefreshRequest) returns (TokenPair);
  rpc ListSessions(google.protobuf.Empty) returns (ListSessionsResponse);
  rpc RevokeSession(RevokeSessionRequest) returns (RevocationResponse);
  rpc RevokeAllSessions(google.protobuf.Empty) returns (RevocationResponse);
}