/// <summary>
/// returns how much was sold de facto
/// new version of buy-old,
/// real deal. If not enough money to buy (including deposits) then buys some part of desired
/// </summary>
internal Storage buy(Consumer buyer, Storage whatWantedToBuy)
{
if (whatWantedToBuy.isNotZero())
{
Storage buying;
if (whatWantedToBuy.getProduct().isAbstract())
{
buying = marketPrice.convertToCheapestExistingSubstitute(whatWantedToBuy);
if (buying == null)//no substitution available on market
{
return(new Storage(whatWantedToBuy.getProduct()));
}
}
else
{
buying = whatWantedToBuy;
}
Storage howMuchCanConsume;
Value price = getPrice(buying.getProduct());
Value cost;
if (Game.market.sentToMarket.has(buying))
{
cost = buying.multiplyOutside(price);
//if (cost.isNotZero())
//{
if (buyer.canPay(cost))
{
buyer.pay(Game.market, cost);
buyer.consumeFromMarket(buying);
if (buyer is SimpleProduction)
{
(buyer as SimpleProduction).getInputProductsReserve().add(buying);
}
howMuchCanConsume = buying;
}
else
{
float val = buyer.cash.get() / price.get();
val = Mathf.Floor(val * Value.precision) / Value.precision;
howMuchCanConsume = new Storage(buying.getProduct(), val);
buyer.pay(Game.market, howMuchCanConsume.multiplyOutside(price));
buyer.consumeFromMarket(howMuchCanConsume);
if (buyer is SimpleProduction)
{
(buyer as SimpleProduction).getInputProductsReserve().add(howMuchCanConsume);
}
}
//}
//else
// return new Storage(buying.getProduct(), 0f);
}
else
{
// assuming available < buying
Storage howMuchAvailable = new Storage(Game.market.HowMuchAvailable(buying));
if (howMuchAvailable.get() > 0f)
{
cost = howMuchAvailable.multiplyOutside(price);
if (buyer.canPay(cost))
{
buyer.pay(Game.market, cost);
buyer.consumeFromMarket(howMuchAvailable);
if (buyer is SimpleProduction)
{
(buyer as SimpleProduction).getInputProductsReserve().add(howMuchAvailable);
}
howMuchCanConsume = howMuchAvailable;
}
else
{
howMuchCanConsume = new Storage(howMuchAvailable.getProduct(), buyer.cash.get() / price.get());
if (howMuchCanConsume.get() > howMuchAvailable.get())
{
howMuchCanConsume.set(howMuchAvailable.get()); // you don't buy more than there is
}
if (howMuchCanConsume.isNotZero())
{
buyer.sendAllAvailableMoney(Game.market); //pay all money cause you don't have more
buyer.consumeFromMarket(howMuchCanConsume);
if (buyer is SimpleProduction)
{
(buyer as SimpleProduction).getInputProductsReserve().add(howMuchCanConsume);
}
}
}
}
else
{
howMuchCanConsume = new Storage(buying.getProduct(), 0f);
}
}
return(howMuchCanConsume);
}
else
{
return(whatWantedToBuy); // assuming buying is empty here
}
}