#ifndef __SSMD_SYNCER_H__
#define __SSMD_SYNCER_H__

#include <ctime>
#include <list>
#include <map>

#include <boost/function.hpp>

class Snmp;

namespace SSMD {

class SettingsParser;
class Switch;

class Timer {
    public:
        Timer(boost::function<void ()> callback, time_t interval);
        ~Timer();

        void fire();

        time_t getInterval() const { return _interval; }
        time_t getLastFire() const { return _lastFire; }
        int getTimeout() const;
    private:
        time_t _interval;
        time_t _lastFire;
        boost::function<void ()> _callback;
};

typedef std::list<Timer>::iterator TimerIterator;
typedef std::pair<Switch, TimerIterator> TimedSwitch;

class Syncer {
    public:
        Syncer(SettingsParser & sp,
               Snmp & snmp);
        ~Syncer();

        void run(const bool & running, bool & reload);

    private:
        SettingsParser & _settingsParser;
        Snmp & _snmp;
        std::list<Timer> _timers;
        std::list<TimedSwitch> _switches;

        bool wait();
        void syncInfo();
        Timer & getNextTimer();
        bool getSwitchesState(std::map<std::string, Switch> & switches);
        bool getDBData(std::string & data) const;
};

}

#endif