/**
 *
 *  gsd_CenterGroup.cc
 *
 */

#include "gsd_CenterGroup.h"

using namespace drogon;
using namespace gsd;

/**
 * @description: 初始化
 * @param {Value} &config
 * @return {*}
 */
void CenterGroup::initAndStart(const Json::Value &config)
{
    InfoL;
    this->spug_ip = config.get("spug_ip", "").asString();
    this->spug_port = config.get("spug_port", 1).asInt();
    // config
    if(this->m_config == nullptr) this->m_config = config::getPtr();

    // 同步更新数据
    this->Update();

    // 定时更新
    if(this->ConfigTimer == nullptr) this->ConfigTimer = std::make_shared<Timer>(3.0f, [&](){
        this->Update();
        return true;
    }, nullptr);
}

/**
 * @description: 更新数据
 * @return {*}
 */
void CenterGroup::Update()
{
    static int num = 0;
    static shared_ptr<httplib::Client> httpClient = nullptr;
    this->app = m_config->getApp();
    if(httpClient == nullptr){
        httpClient = std::make_shared<httplib::Client>(this->spug_ip, this->spug_port);
    }
    httplib::Params params;
    params.emplace("apiKey", this->apiKey);
    params.emplace("app", this->app + "_app");
    if(this->app != "gsd_dev") params.emplace("env", "gsd_deploy");
    else params.emplace("env", "gsd_dev");
    params.emplace("noPrefix", "1");
    params.emplace("format", "json");

    httplib::Headers headers = {};
    if (auto res = httpClient->Get("/api/apis/config/", params, headers)){
        if (res->status == 200) {
            num = 0;
            auto json = readJsonFromString(res->body);
            this->gsd_check_Proportion_th = std::atof(json.get("gsd_check_Proportion_th", "0.5").asString().c_str());
            this->gsd_check_Engine = json.get("gsd_check_Engine", "../data/modules/best6_fp16.engine").asString();
            this->m_config->Debug = std::atoi(json.get("gsd_check_Debug", "1").asString().c_str()) ;
            this->gsd_check_InferSave = std::atoi(json.get("gsd_check_InferSave", "0").asString().c_str());
            this->gsd_check_SavePath = json.get("gsd_check_SavePath", "./data/").asString();
            
            vector<int> data;

            // target
            std::string data_json = json.get("gsd_check_Target", "[ 0 ]").asString();
            auto json_val = readJsonFromString(data_json);
            for(int i = 0; i < (int)json_val.size(); i++){
                int id = std::atoi(json_val[i].asString().c_str());
                data.push_back(id);
            }
            this->setInferTargets(data);
            data.clear();

            // AlienLabels
            data_json = json.get("gsd_check_AlienLabels", "[ 1 ]").asString();
            json_val = readJsonFromString(data_json);
            for(int i = 0; i < (int)json_val.size(); i++){
                int id = std::atoi(json_val[i].asString().c_str());
                data.push_back(id);
            }
            this->setAlienLabels(data);
        }else{
            if(num >= 6) return;
            ErrorL << "status: " << res->status << ", body:" << res->body << endl;
            num++;
        }
    }else{
        if(num >= 6) return;
        ErrorL << "Service unavailable" << endl;
        num ++;
    }
}

/**
 * @description: 释放资源
 * @return {*}
 */
void CenterGroup::shutdown() 
{
    InfoL;
    /// Shutdown the plugin
}

/**
 * @description: 获取阈值
 * @return {*}
 */
double CenterGroup::getProportion(){
    return this->gsd_check_Proportion_th;
}

/**
 * @description: 获取推理引擎
 * @return {*}
 */
std::string CenterGroup::getInferEngine(){  
    return this->gsd_check_Engine;
}

/**
 * @description: 获取version
 * @return {*}
 */
std::string CenterGroup::getVersion(){
    return this->m_config->getVersion();
}

/**
 * @description: getDebug
 * @return {*}
 */
int CenterGroup::getDebug(){
    return m_config->Debug;
}

/**
 * @description: 获取
 * @return {*}
 */    
vector<int> CenterGroup::getInferTargets(){
    return m_config->getInferTargets();
}

/**
 * @description: InferTargets
 * @param {vector<int>} data
 * @return {*}
 */    
void CenterGroup::setInferTargets(vector<int> data){
    this->m_config->setInferTargets(data);
}

/**
 * @description: getAlienLabels
 * @return {*}
 */        
vector<int> CenterGroup::getAlienLabels(){
    return this->m_config->getAlienLabels();
}

/**
 * @description: setAlienLabels
 * @param {vector<int>} data
 * @return {*}
 */        
void CenterGroup::setAlienLabels(vector<int> data){
    this->m_config->setAlienLabels(data);
}

/**
 * @description: readJsonFromString
 * @param {string&} mystr
 * @return {*}
 */
Json::Value CenterGroup::readJsonFromString(const string& mystr )
{
    //1.创建工厂对象
    Json::CharReaderBuilder ReaderBuilder;
    ReaderBuilder["emitUTF8"] = true;//utf8支持,不加这句,utf8的中文字符会编程\uxxx
    //2.通过工厂对象创建 json阅读器对象
    unique_ptr<Json::CharReader> charread(ReaderBuilder.newCharReader());
    //3.创建json对象
    Json::Value root;
    //4.把字符串转变为json对象,数据写入root
    string strerr;
    bool isok = charread->parse(mystr.c_str(),mystr.c_str()+mystr.size(),&root,&strerr);
    if(!isok || strerr.size() != 0){
        cerr<<"json解析出错";
    }
    //5.返回有数据的json对象,这个json对象已经能用了
    return root;
}

/**
 * @description: getInferSave
 * @param {*}
 * @return {*}
 */
bool CenterGroup::getInferSave(){
    return this->gsd_check_InferSave ? true : false;
}

/**
 * @description: getSavePath
 * @param {*}
 * @return {*}
 */
std::string CenterGroup::getSavePath(){
    return gsd_check_SavePath;
}