syntax = "proto3";

package api;

import "google/protobuf/timestamp.proto";

option go_package = "git.netflux.io/rob/octoplex/internal/generated/grpc";

service InternalAPI {
  rpc Communicate(stream Envelope) returns (stream Envelope);
}

message Envelope {
  oneof payload {
    Command command = 1;
    Event event = 2;
  }
}

message Command {
  oneof command_type {
    AddDestinationCommand add_destination = 1;
    RemoveDestinationCommand remove_destination = 2;
    StartDestinationCommand start_destination = 3;
    StopDestinationCommand stop_destination = 4;
    CloseOtherInstancesCommand close_other_instances = 5;
    QuitCommand quit = 6;
  }
}

message AddDestinationCommand {
  string name = 1;
  string url = 2;
}

message RemoveDestinationCommand {
  string url= 1;
}

message StartDestinationCommand {
  string url = 1;
}

message StopDestinationCommand {
  string url = 1;
}

message CloseOtherInstancesCommand {}

message QuitCommand {}

message Event {
  oneof event_type {
    AppStateChangedEvent app_state_changed = 1;
    DestinationStreamExitedEvent destination_stream_exited = 2;
    DestinationAddedEvent destination_added = 3;
    AddDestinationFailedEvent add_destination_failed = 4;
    DestinationRemovedEvent destination_removed = 5;
    RemoveDestinationFailedEvent remove_destination_failed = 6;
    StartDestinationFailedEvent start_destination_failed = 7;
    MediaServerStartedEvent media_server_started = 8;
    OtherInstanceDetectedEvent other_instance_detected = 9;
    FatalErrorEvent fatal_error = 10;
  }
}

message Container {
  string id = 1;
  string status = 2;
  string health_state = 3;
  double cpu_percent = 4;
  uint64 memory_usage_bytes = 5;
  int32 rx_rate = 6;
  int32 tx_rate = 7;
  google.protobuf.Timestamp rx_since = 8;
  string image_name = 9;
  string pull_status = 10; 
  string pull_progress = 11; 
  int32 pull_percent = 12;
  int32 restart_count = 13;
  optional int32 exit_code = 14;
  string err = 15;
}

message Source {
  Container container = 1;
  bool live = 2;
  google.protobuf.Timestamp live_changed_at = 3;
  repeated string tracks = 4;
  string exit_reason = 5;
}

message Destination {
  enum Status {
    STATUS_OFF_AIR = 0;
    STATUS_STARTING = 1;
    STATUS_LIVE = 2;
  }

  Container container = 1;
  Status status = 2;
  string name = 3;
  string url = 4;
}

message BuildInfo {
  string go_version = 1;
  string version = 2;
  string commit = 3;
  string date = 4;
}

message AppState {
  Source source = 1;
  repeated Destination destinations = 2;
  BuildInfo build_info = 3;
}

message AppStateChangedEvent {
  AppState app_state = 1;
}

message DestinationStreamExitedEvent {
  string name = 1;
  string error = 2;
}

message DestinationAddedEvent {
  string url = 1;
}

message AddDestinationFailedEvent {
  string url = 1;
  string error = 2;
}

message DestinationRemovedEvent {
  string url = 1;
}

message RemoveDestinationFailedEvent {
  string url = 1;
  string error = 2;
}

message StartDestinationFailedEvent {
  string url = 1;
  string message = 2;
}

message MediaServerStartedEvent {
  string rtmp_url = 1;
  string rtmps_url = 2;
}

message OtherInstanceDetectedEvent {}

message FatalErrorEvent {
  string message = 1;
}