import java.util.*;
import java.awt.*;

//
// CD account class
//
class CDAccount extends MonthlyAccount {

   static final double withdrawFee=250.0f;

   // the valability period of the CD account
   int CDperiod;

   CDAccount(String accountname, double deposit, int period, double accountinterest, TextArea out) throws NoNameException
	{ super(accountname,accountinterest,out);

	  // make CD-specific initializations
	  balance=deposit;
	  CDperiod=period;
	}

   void Deposit(double amount) throws NegativeAmountException,InvalidDepositException
	{
	  throw new InvalidDepositException(new String(Name()));
	}

   void Withdraw(double amount) throws NegativeAmountException, CDNegativeBalanceException
	{ if(CDperiod>0) { // fee is imposed before the CD period expires
			    balance-=withdrawFee;
			  }

	  if(amount<0)
		throw new NegativeAmountException(new String(Name()));
	  if(balance-amount<0)
		throw new CDNegativeBalanceException(new String(Name()));

	  // update balance
	  balance-=amount;
	}

   void ComputeInterest()
	{ super.ComputeInterest();

	  // update the maturity period of the CD account
	  if(date==1 && CDperiod>0) CDperiod=CDperiod-1;
	}

   void Update()
      { date=date%30+1;
        ComputeInterest();
      }

	public void Output() {
		Double doubleNo=new Double(0);
		Integer intNo=new Integer(0);

		output.appendText("CD Account: "+Name()+"\nbalance: "+doubleNo.toString(Balance())
				+"\nmaturity period: "+intNo.toString(CDperiod)
				+" month(s)\nmonthly interest: "+doubleNo.toString(interest)+"%\n");
	}
}