#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <poll.h>
#include <thread>
#include"JsonConfig.h"
#define erroe_status -1
#define start_sleep 1
#define close_sleep 0

int readfile(int fd, char* buf,int num )
{
    lseek(fd, 0, SEEK_SET);
    int ret = read(fd, buf, num);
    if (ret == -1)
    {
        printf("readfile error:%s\r\n",strerror(ret));
        return erroe_status;
    }
    if (ret == 0)
    {
        printf("readfile error:%s\r\n","service connection is lost");
        return erroe_status;
    }
    buf[1] = '\0';
    printf("sleep processes len :%d\r\n",ret);
    return atoi(buf);
}
void start_enter_lowpwoer(int time)
{
    int seconds = time;

    if(time < 0 || time < 180)
        seconds = 180;
    else
        seconds = time;

    std::string str="sh /mnt/flash-disk/countdown.sh start 0 0 "+std::to_string(seconds) + " &";
    printf("start_enter_lowpwoer %s \n",str.c_str());

    int ret = system(str.c_str());
}
void stop_countdown()
{
    int ret = system("sh /mnt/flash-disk/killtimer.sh");
    printf("system stop_countdown :%d\r\n",ret);
}

int main(int argc, char *argv[])
{
	int fd = -1;
	int ret = 0;
	pollfd pfd;
    if (access("/home/root/dev/", F_OK) == -1)
    {
        system("mkdir /home/root/dev/");
    }
	ret = mkfifo("/home/root/dev/sleep", 0666);
	if(ret != 0)
	{
		printf("sleep processes mkfifo fial !!!\r\n");
	}
	
	
	fd = open("/home/root/dev/sleep", O_RDONLY);//等着只写
	if(fd < 0)
	{
		printf("sleep processes open sleep fail!!!\n");
        return -1;
	}
	
    printf("sleep processes open sleep succeed!!!\n");
	
    char buffer[12];
    JsonConfig js;
   

    while (true)
    {
        ret = readfile(fd,buffer,sizeof(buffer));
        printf("while read buf:[%d]\n", ret);
        if (ret == -1)
        {
            system("sh /mnt/flash-disk/leds.sh 1");
            sleep(3);
            continue;
        }
        
        if (ret == 1)
        {
            ScannerScanInfo info = js.GetScanInfo();
            stop_countdown();
            sleep(3);
            start_enter_lowpwoer(info.SleepTime);
        }  
        else
            stop_countdown();

    }
    close(fd);
	return 0;
}