syntax = "proto3";

import "google/protobuf/wrappers.proto";

package entities.schema;

// Plain enumerations
enum EntityStatus {
  STATUS_A = 0;
  STATUS_B = 1;
  STATUS_C = 2;
}

enum EntityType {
  TYPE_A = 0;
  TYPE_B = 1;
  TYPE_C = 2;
}

// Entity with scalars
message ScalarEntity {
  uint32 uint32_f = 1;
  int32 int32_f= 2;
  bool bool_f = 4;
  string string_f = 5;
  int64  int64_f = 6;
  uint64 uint64_f  = 7;
  bytes bytes_f = 8;
  float float_f = 9;
  double double_f = 10;

  EntityStatus status = 11;
  EntityType type = 12;
}

message NestedEntity {
  ScalarEntity first = 1;
  ScalarEntity second = 2;
}

message HierarchyEntity {
  oneof data {
    ScalarEntity first_entity = 1;
    NestedEntity second_entity = 2;
  }
}

message HierarchyEntitySameTypes {
  oneof data {
    ScalarEntity first_entity = 1;
    ScalarEntity second_entity = 2;
  }
}


message EntityUuids {
  string uuid_str = 1;
  string opt_uuid_str = 2;
  bytes uuid_bytes = 3;
  bytes opt_uuid_bytes  = 4;
}