syntax = "proto3";

package sensor_stream;

service SensorPush {
  rpc Upload(stream SensorFrame) returns (stream PztAngleResponse);
}

service ExportProcessor {
  rpc ProcessFile(ProcessRequest) returns (ProcessResponse);
}

message SensorFrame {
  uint64 seq = 1;
  uint64 timestamp_ms = 2;
  uint32 rows = 3;
  uint32 cols = 4;
  repeated uint32 matrix = 5;
  double resultant_force = 6;
  uint32 dts_ms = 7;
}

message PztAngleResponse {
  uint64 seq = 1;
  uint64 timestamp_ms = 2;
  float angle = 3;
  uint32 dts_ms = 4;
  bool ok = 5;
  string message = 6;
}

message ProcessRequest {
  string csv_path = 1;
  bool save_as_xlsx = 2;
}

message ProcessResponse {
  bool ok = 1;
  string output_path = 2;
  uint32 groups_used = 3;
  double mean_value = 4;
  double threshold = 5;
  uint32 rows_total = 6;
  uint32 rows_kept = 7;
  string message = 8;
}