public void configurePop(List <string> popNames, List <int> popCosts)
{
// to allow machine to be reconfigured
// to accept different pops
acceptedPops.Clear();
if ((popNames.Count) != popButtons)
{
throw new Exception("Buttons and pop varieties differ: " + popNames.Capacity + ", " + popButtons);
}
if (popNames.Count != popCosts.Count)
{
throw new Exception("Number of pops different to number of prices");
}
for (int i = 0; i < (popNames.Count); i++)
{
string name = popNames.ElementAt(i);
int price = popCosts.ElementAt(i);
VendingPop newPop = new VendingPop(name);
newPop.setCost(price);
acceptedPops.Add(newPop);
}
}
public void pressButton(int buttonIndex)
{
// get pop by button index
VendingPop pop = specs.getPopByIndex(buttonIndex);
//Console.WriteLine("Pop: " + pop.Name);
// get pop price
int price = pop.getCost();
// get inserted amount
int val = coinChute.getInsertValue();
if (val < price)
{
// do nothing
//Console.WriteLine("Not enough money: make another selection");
}
else
{
// decrement pop from chute
// to get actual pop in slot
// returned pop may not be chosen pop if
// slots were loaded incorrectly (this is
// the desired functionality)
Pop physicalPop = popChute.removePop(pop);
if (physicalPop != null)
{
// calc change and dispense pop
int change = val - price;
//Console.WriteLine("Price: " + price + " Change: " + change);
List <Coin> changeCoins = coinChute.releaseChange(change);
dispenser.dispenseItems(physicalPop, changeCoins);
// bank inserted money and reset inserted value
coinChute.bankInsertValue();
}
else
{
// if either no matching pop found, or
// not enough pops then
// only dispense change
//Console.WriteLine("Not enough pops: make another selection");
// old change swallowing code
//Console.WriteLine("Not enough pops: swallowing change");
//dispenser.dispenseItems(physicalPop, changeCoins);
}
}
}
public VendingPop getPopByIndex(int index)
{
if (index >= popButtons)
{
throw new Exception("Invalid button: " + index);
}
int counter = 0;
VendingPop returnPop = null;
foreach (VendingPop pop in acceptedPops)
{
if (counter == index)
{
returnPop = pop;
break;
}
counter++;
}
return(returnPop);
}
