// TODO: Rewrite logic to return ACCEPTABLE_COINS array
/// <summary>Returns all inserted coins back to user.</summary>
public Money ReturnMoney()
{
var res = new Money();
if (this.Amount == new Money())
{
if (MessageChanged != null)
{
MessageChanged(this, MessageEnum.NoMoneyToReturn);
}
}
else
{
if (MessageChanged != null)
{
MessageChanged(this, MessageEnum.TakeReturnedMoney);
}
res = this.Amount;
this.Amount -= this.Amount;
}
return res;
}
/// <summary>Inserts the coin into vending machine.</summary>
/// <param name="amount">Coin amount.</param>
public Money InsertCoin(Money amount)
{
var res = new Money();
if (!ACCEPTABLE_COINS.Any(a=>a.Cents == amount.Cents && a.Euros == amount.Euros))
{
if (MessageChanged != null)
{
MessageChanged(this, MessageEnum.WrongCoinInserted);
res = amount;
}
}
else
{
this.Amount += amount;
if (MessageChanged != null)
{
MessageChanged(this, MessageEnum.InsertCoinsOrSelectProduct);
}
}
return res;
}