syntax = "proto3";

package data_service;

option go_package = "gitlab.michelsen.id/phillmichelsen/tessera/pkg/pb/data_service;data_service";

service DataServiceControl {
  rpc StartStream(StartStreamRequest) returns (StartStreamResponse);
  rpc StopStream(StopStreamRequest) returns (StopStreamResponse);
  rpc ConfigureStream(ConfigureStreamRequest) returns (ConfigureStreamResponse);
}

service DataServiceStreaming {
  rpc ConnectStream(ConnectStreamRequest) returns (stream Message);
}

// Domain Models
message Identifier {
  string provider = 1; // e.g., "binance"
  string subject = 2; // e.g., "BTCUSDT"
}

message Message {
  Identifier identifier = 1;
  string payload = 2; // JSON-encoded data
}

// Control Requests and Responses
message StartStreamRequest {}

message StartStreamResponse {
  string stream_uuid = 1;
}

message ConfigureStreamRequest {
  string stream_uuid = 1;
  repeated Identifier identifiers = 2;
}

message ConfigureStreamResponse {}

message StopStreamRequest {
  string stream_uuid = 1;
}

message StopStreamResponse {}

// Stream Requests and Responses
message ConnectStreamRequest {
  string stream_uuid = 1;
}