#include "VendingMachine.h"
#include <string>
#include <iostream>

using namespace std;

VendingMachine::VendingMachine(void)
{
	for (int i=0; i < NUM_TYPES; i ++)
		sodaCount[i] = MAX_CANS;

	names[0] = "Coke";
	names[1] = "Diet Coke";
	names[2] = "Sprite";
	names[3] = "Cherry Coke";
	names[4] = "Yoohoo";
	names[5] = "Grape Soda";

	cash = 0;

	cout << "I'm alive." << endl;
}

VendingMachine::~VendingMachine()
{
	for (int i=0; i < NUM_TYPES; i ++)
		sodaCount[i] = 0;

	cash = 0;

	cout << "Going offline now." << endl;
}

void VendingMachine::DisplayTypes(void)
{
	for (int i=0; i < NUM_TYPES; i++)
		if (sodaCount[i] > 0)
			cout << i << " : " << names[i] << endl;
}

void VendingMachine::Vend (int type)
{
	if (sodaCount[type] <= 0)
		cout << "ERROR - there are no " << names[type] << "s available." << endl;
	else {
		sodaCount[type]--;
		cash += 0.75;
		cout << "Enjoy your " << names[type] << "!" << endl;
	}
}

void VendingMachine::Stock (int type)
{
	sodaCount[type] = MAX_CANS;
	cout << names[type] << " all stocked!" << endl;
}

void VendingMachine::WithdrawCash()
{
	cout << "$" << cash << " emptied from the machine." << endl;
	cash = 0;
}