#include "system.h"
#include <sys/ioctl.h>
#include <unistd.h>
#include <fcntl.h>
#include <linux/rtc.h>

namespace {
System::IPData setting;
}

void System::setIP(System::IPData &data)
{
    if (setting == data)
        return;

    setting = data;

    QString ifconfig = QString("ifconfig eth0 %1 netmask %2 up").arg(data.address, data.netmask);
    QString route = QString("route del default; route add default gw %1").arg(data.gateway);

    system(ifconfig.toLocal8Bit().constData());
    system(route.toLocal8Bit().constData());
}

void System::setBacklight(int level)
{
    static int last = -1;

    if (level == last)
        return;

    last = level;

    QString command = QString("echo %1 > /sys/class/backlight/backlight_lvds.19/brightness").arg(level);
    system(command.toLocal8Bit().constData());
}

void System::setVolume(int percentage)
{
    static int last = -1;

    if (percentage == last)
        return;

    last = percentage;

    QString command = QString("/usr/bin/amixer -c 0 sset 'PCM',0 %1% %1% on > /dev/null").arg(percentage);
    system(command.toLocal8Bit().constData());
}




bool System::setRtcTime(QDateTime dt_tm){
    int fd;
    rtc_time rt;
    rt.tm_year = dt_tm.date().year() - 1900;
    rt.tm_mon = dt_tm.date().month()-1;
    rt.tm_mday = dt_tm.date().day();
    rt.tm_hour = dt_tm.time().hour();
    rt.tm_min = dt_tm.time().minute();
    rt.tm_sec = 0;

    fd = open("/dev/rtc0", O_WRONLY);
    if(fd <0){
        return false;
    }{
        ioctl(fd, RTC_SET_TIME, &rt);
        close(fd);
        return true;
    }
}