/// <summary>
/// Result is how much deposit was really returned. Checks inside. Just wouldn't give money if can't
/// Can return less than was prompted
/// </summary>
public MoneyView ReturnDeposit(Agent toWhom, MoneyView howMuchWants)
{
if (toWhom.Country.Science.IsInvented(Invention.Banking))// find money in bank? //todo remove checks, make bank==null if uninvented
{
var maxReturnLimit = HowMuchDepositCanReturn(toWhom);
if (maxReturnLimit.isBiggerOrEqual(howMuchWants))
{
MoneyView returnMoney;
if (howMuchWants.isBiggerThan(maxReturnLimit))
{
returnMoney = maxReturnLimit;
}
else
{
returnMoney = howMuchWants;
}
if (returnMoney.isNotZero())// return deposit
{
//giveMoney(toWhom, moneyToReturn);
toWhom.deposits.Subtract(returnMoney);
PayWithoutRecord(toWhom, returnMoney, Register.Account.BankOperation);
}
return(returnMoney);
}
}
return(MoneyView.Zero);
}
/// <summary>
/// Gives money in credit or returns deposit, if possible.
/// Gives whole sum or gives nothing.
/// Checks inside. Return false if didn't give credit.
/// </summary>
public bool GiveCredit(Agent taker, MoneyView desiredCredit) // todo check
{
if (taker.deposits.isNotZero()) // has deposit (meaning, has no loans)
{
if (desiredCredit.isBiggerThan(taker.deposits)) // loan is bigger than this deposit
{
MoneyView returnedDeposit = ReturnDeposit(taker, taker.deposits);
if (returnedDeposit.isSmallerThan(taker.deposits))
{
return(false);// if can't return deposit than can't give credit for sure
}
//returnedMoney = new ReadOnlyValue(0f);
MoneyView restOfTheSum = desiredCredit.Copy().Subtract(returnedDeposit);
if (CanGiveCredit(taker, restOfTheSum))
{
taker.loans.Set(restOfTheSum);//important
givenCredits.Add(restOfTheSum);
PayWithoutRecord(taker, restOfTheSum, Register.Account.BankOperation);
return(true);
}
else
{
return(false);
}
}
else // no need for credit, just return deposit
{
// if can't return deposit than can't give credit for sure
if (CanReturnDeposit(taker, desiredCredit))
{
ReturnDeposit(taker, desiredCredit);
return(true);
}
else
{
return(false);
}
}
}
else
{
if (CanGiveCredit(taker, desiredCredit))
{
taker.loans.Add(desiredCredit);
givenCredits.Add(desiredCredit);
PayWithoutRecord(taker, desiredCredit, Register.Account.BankOperation);
return(true);
}
else
{
return(false);
}
}
}