#include <stdio.h>
#include "event_log.h"
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <iostream>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#include <sstream>
void CEventLog::Start()
{
    if(access("./log/",F_OK)!=0)
    {
        int status = mkdir("./log/", S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
 
        if (status == 0) {
            std::cout << "文件夹创建成功！" << std::endl;
        } else {
            std::cout << "文件夹创建失败！" << std::endl;
        }
    }
    std::stringstream oss;
    oss<<"./log/"<<GetLocalTime()<<".log";
    std::string str=oss.str();
    _ofile.open(str,std::ios_base::out);
    _thread=std::thread(&CEventLog::Run,this);
   // _ofile.open()
}
std::string CEventLog::GetLocalTime()
{
    time_t t=time(nullptr);
    tm * ld=localtime(&t);
    char tmp[128];
    strftime(tmp,sizeof(tmp),"%Y-%m-%d-%H-%M-%S",ld);
    return std::string(tmp);
}
void CEventLog::Run()
{
    _run=true;
    while(_run)
    {
        EventType type;
        int32_t steer,accel,brake;
         {
            std::lock_guard<std::mutex> l(_mutex);
            type=_type;
            steer=_steer;
            accel=_accel;
            brake=_brake; 
            
         }
         if(type!=EventType::NORMAL)
            {
                std::string s;
                switch(_type)
                {
                  case EventType::EMERGENCY:
                     s= "碰撞临界:";
                     break;
                  case EventType::OFFLINE:   
                     s="车辆掉线:";
                     break;
                  case EventType::LOW_RPM:
                     s="车辆熄火:";
                     break;
                };
                std::stringstream oss;
                oss<<GetLocalTime()<<":  "<<s<<"  方向盘速度:"<<_steer<<", 油门值:"<<_accel<<",  刹车值:"<<_brake;
                std::string str=oss.str();
                _ofile<<str.c_str()<<std::endl;
            }
          std::this_thread::sleep_for(std::chrono::milliseconds(100));
    }
}
void CEventLog::Stop()
{
      _ofile.close();
      _run=false;
      _thread.join();
}
void CEventLog::SetEvent(EventType type, int32_t steer,int32_t accel,int32_t brake)
{
     std::lock_guard<std::mutex> l(_mutex);
     _type=type;
     _steer=steer;
     _accel=accel;
     _brake=brake;
}