syntax = "proto3";

package logs.v1;

service LogService {
  rpc Log(LogRequest) returns (LogResponse) {}
  rpc Tail(TailRequest) returns (stream TailResponse) {}
}

message LogRequest {
  Level level = 1;
  string search = 2;
  string trace_id = 3;
  int64 from = 4;
  int64 to = 5;
  int64 limit = 6;
}

message LogResponse {
  repeated Log logs = 1;
}

message Log {
  int64 timestamp = 1;
  Level level = 2;
  string message = 3;
  Origin origin = 4;
  string trace_id = 5;
  string span_id = 6;
  optional bytes details = 7;
  optional bytes error = 8;
}

enum Level {
  LEVEL_UNSPECIFIED = 0;
  LEVEL_DEBUG = 1;
  LEVEL_INFO = 2;
  LEVEL_WARN = 3;
  LEVEL_ERROR = 4;
}

message Origin {
  string file = 1;
  int64 line = 2;
  string function = 3;
}

message TailRequest {
  Level level = 1;
}

message TailResponse {
  Log log = 1;
}