#include "Thread.h"

#include <time.h>

Thread::Thread(void (*callback)(void), unsigned long _interval){

enabled = true;

onRun(callback);

_cached_next_run = 0;

last_run = millis();

ThreadID = (int)this;

#ifdef USE_THREAD_NAMES

ThreadName = "Thread ";

ThreadName = ThreadName + ThreadID;

#endif

ThreadState = 0;

TimeLimitation = 0;

setInterval(_interval);

};

void Thread::runned(unsigned long time){

// Saves last_run

last_run = time;

// Cache next run

_cached_next_run = last_run + interval;

}

void Thread::setInterval(unsigned long _interval){

// Save interval

interval = _interval;

// Cache the next run based on the last_run

_cached_next_run = last_run + interval;

}

void Thread::waitFor(int a, int b)

{

TimeLimitation = millis() + (rand() % (b-a+1)) + a ;

}

bool Thread::shouldRun(unsigned long time){

if(millis() < TimeLimitation){ return false;}

// If the "sign" bit is set the signed difference would be negative

bool time_remaining = (time - _cached_next_run) & 0x80000000;

// Exceeded the time limit, AND is enabled? Then should run...

return !time_remaining && enabled;

}

void Thread::onRun(void (*callback)(void)){

if(millis() < TimeLimitation){ return;}

_onRun = callback;

}

void Thread::run(){

if(millis() < TimeLimitation){ return;}

if(_onRun != NULL)

_onRun();

// Update last_run and _cached_next_run

runned();

}