/*
 * repeattask.cpp
 *
 *  Created on: 06.06.2013
 *      Author: trifon
 */

#include "repeattask.h"
#include <iostream>
using namespace std;

RepeatTask::RepeatTask(char const* _name, int _total,
		               Task const* _prototype)
	: SimpleTask(_name, _total), prototype(_prototype),
	  current(NULL) {
	reset();
}

Cloneable* RepeatTask::clone() const {
	return new RepeatTask(*this);
}

void RepeatTask::reset() {
	delete current;
	current = (Task*)prototype->clone();
}

void RepeatTask::print() const {
	cout << "Повтаряща се ";
	BaseTask::print();
	cout << ", от която са изпълнени вече ";
	cout << progress << " повторения от общо ";
	cout << total << ", като текущата задача е ";
	current->print();
}

int RepeatTask::time() const {
	return total * prototype->time();
}

int RepeatTask::getProgress() const {
	return progress * prototype->time() +
			current->getProgress();
}

int RepeatTask::work(int t) {
	/*
	while (progress < total && t > 0) {
		t = current->work(t);
		if (current->isFinished()) {
			progress++;
			if (progress < total)
				reset();
		}
	}
	return t;*/
	if (progress < total && t > 0) {
		t = current->work(t);
		if (current->isFinished()) {
			reset();
			int repetitionsToDo = t / prototype->time() + 1;
			int repetitionsLeft = SimpleTask::work(repetitionsToDo);
			t = repetitionsLeft * prototype->time() +
				t % prototype->time();
			if (progress < total)
				t = current->work(t);
				// сигурни сме, че !current->isFinished()
		}
	}
	return t;
}

RepeatTask::RepeatTask(RepeatTask const& rt)
  : SimpleTask(rt), prototype(rt.prototype),
    current((Task*)rt.current->clone()) {}

RepeatTask& RepeatTask::operator=(RepeatTask const& rt) {
	if (&rt != this) {
		delete current;
		prototype = rt.prototype;
		current = (Task*)rt.current->clone();
	}
	return *this;
}

RepeatTask::~RepeatTask() {
	delete current;
}