syntax = "proto3";

package core;
option go_package = "./core";

// ----------------------------------------------------------------------------
// 通用结构
// ----------------------------------------------------------------------------
message Empty {}

message BasicResponse {
    int32 code = 1;
    string msg = 2;
}

// ----------------------------------------------------------------------------
// User 服务定义
// ----------------------------------------------------------------------------
message GetUserInfoReq {
    int64 id = 1;
}

message GetUserInfoResp {
    int64 id = 1;
    string email = 2;
    string role = 3;
    string uuid = 4;
}

// ----------------------------------------------------------------------------
// Node 服务定义
// ----------------------------------------------------------------------------
message GetNodeInfoReq {
    int64 id = 1;
}

message GetNodeInfoResp {
    int64 id = 1;
    string name = 2;
    string server = 3;
    string status = 4;
}

// ----------------------------------------------------------------------------
// 核心 RPC 服务接口
// ----------------------------------------------------------------------------
service Core {
    // Ping 检查服务健康状态
    rpc Ping(Empty) returns(BasicResponse);

    // 用户相关
    rpc GetUserInfo(GetUserInfoReq) returns(GetUserInfoResp);

    // 节点相关
    rpc GetNodeInfo(GetNodeInfoReq) returns(GetNodeInfoResp);
}