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

#include "complextask.h"
#include "stack.cpp"

template<>
void Stack<Task*>::print() {
	Task* x;
	while(pop(x))
		x->print();
	cout << endl;
}

ComplexTask::ComplexTask(char const* _name) : BaseTask(_name),
  progress(0)
{}

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

void ComplexTask::print() const {
	cout << "Сложна задача ";
	BaseTask::print();
	cout << ", която съдържа задачите:" << endl;
	Stack<Task*> s = *this;
	s.print();
}

int ComplexTask::time() const {
	Stack<Task*> tmp = *this;
	Task* current;
	int result = 0;
	while (tmp.pop(current))
		result += current->time();
	return result;
}

Task* ComplexTask::getCurrent() const {
	if (empty())
		return NULL;
	return top->inf;
}

int ComplexTask::getProgress() const {
	if (getCurrent() == NULL)
		return progress;
	return progress + getCurrent()->getProgress();
}

int ComplexTask::work(int t) {
	while(t > 0 && !empty()) {
		t = getCurrent()->work(t);
		if (getCurrent()->isFinished()) {
			Task* finished;
			pop(finished);
			progress += finished->time();
			delete finished;
		}
	}
	return t;
}

void ComplexTask::cloneAll() {
	elem<Task*>* p = top;
	while (p) {
		p->inf = (Task*)p->inf->clone();
		p = p->link;
	}
}

void ComplexTask::deleteAll() {
	elem<Task*>* p = top;
	while (p) {
		delete p->inf;
		p = p->link;
	}
}

ComplexTask::ComplexTask(ComplexTask const& ct)
  : Stack<Task*>(ct), BaseTask(ct), progress(ct.progress) {
	cloneAll();
}

ComplexTask& ComplexTask::operator=(ComplexTask const& ct) {
	if (&ct != this) {
		deleteAll();
		BaseTask::operator=(ct);
		Stack<Task*>::operator=(ct);
		cloneAll();
	}
	return *this;
}

ComplexTask::~ComplexTask() {
	deleteAll();
}