//An instance of this class represents a simple checking account
// It permits a limited number of withdrawals in a billing cycle
//    and charges an (excess) fee for withdrawals over the limit
//
package BankAccounts;
public class CheckingAccount extends BankAccount
{
   //Class constants
   public static int MAX_WITHDRAWALS = 3;
   public static double WITHDRAWALS_FEE = 1.00;
   
   //Instance (State) Variable (inherited: accountNumber & currentBalance)
   private int withdrawalsCount; //# withdrawals in billing cycle so far
   
   //Constructor
   // @param initialBalance: initial current balance of thisCheckingAccount
   public CheckingAccount(double initialBalance)
   {
      super(initialBalance);
      this.withdrawalsCount = 0;
   }
   
   //Constructor
   // initial current balance of thisCheckingAccount defaults to $0.0
   public CheckingAccount()
   {
      this(0.0);
   }
   
   //Accessor
   public int getWithdrawalsCount()
   {
      return this.withdrawalsCount;
   }
   
   //Override
   public String toString()
   {
      return super.toString() + " # Withdrawals: " + this.withdrawalsCount;
   }
   
   //Override
   public boolean equals(Object other)
   {
      if (!super.equals(other))
         return false;
         
      return this.withdrawalsCount == ( (CheckingAccount)other ).withdrawalsCount;
   }
   
   //Will override clone() later
   
   //Override
   public void withdraw(double amount)
   {
      super.withdraw(amount);
      this.withdrawalsCount++;
   }
   
   //Mutator
   // Deduct fees for excess withdrawals from this CheckingAccount
   public void debitFees()
   {
      double fees = this.withdrawalsCount <= MAX_WITHDRAWALS ? 0.00 :
                    (this.withdrawalsCount - MAX_WITHDRAWALS) * WITHDRAWALS_FEE ;
      this.debit(fees);
   }
   
   //Mutator
   public void endOfCycleProcessing()
   {
      this.debitFees();
      this.withdrawalsCount = 0;
   }
   
}