public static BuyStatus BuyCard(BuyableCardEnum cardToBuy)
{
//check if card already bought
if (GetCardAvailability(cardToBuy))
{
return(BuyStatus.ALREADY_BOUGHT);
}
bool boughtSuccessful = ChangeBananaCountBy(-CARD_COST_MAP[cardToBuy]);
if (boughtSuccessful)
{
HashSet <string> unlockedCards = GetBoughtCards();
if (!unlockedCards.Contains(cardToBuy.ToString()))
{
unlockedCards.Add(cardToBuy.ToString());
string newCommaSeperatedListOfCards = string.Join(",", unlockedCards.ToArray <string>());
PlayerPrefs.SetString(CARD_AVAILABILITY_KEY, newCommaSeperatedListOfCards);
return(BuyStatus.SUCCESSFUL);
}
return(BuyStatus.ALREADY_BOUGHT);
}
else
{
return(BuyStatus.NOT_ENOUGH_BANANAS);
}
}
public static bool GetCardAvailability(BuyableCardEnum card)
{
if (card == BuyableCardEnum.None)
{
return(false);
}
HashSet <string> unlockedCards = GetBoughtCards();
return(unlockedCards.Contains(card.ToString()));
}
