import java.util.Vector;
/**
    Class to represent a CheckBook, which is used to store and manage transaction 
    objects and totals for the check, deposit, and administrative totals as well as
    the total balance of the account. Uses a <tt>Vector</tt> to store transaction 
    objects.

        @author Bert G. Wachsmuth
        @version Feb. 2002
*/
public class Checkbook
{
    private String bankName;

    private double checkAmount;
    private double depositAmount;
    private double adminAmount;

    private Vector transactions;

    public Checkbook(String bankName)
    {
        this.bankName = bankName;
        checkAmount = depositAmount = adminAmount = 0.0;
        transactions = new Vector();
    }

    public double getCheckAmount()
    {
        return checkAmount;
    }
    public double getDepositAmount()
    {
        return depositAmount;
    }
    public double getAdminAmount()
    {
        return adminAmount;
    }
    public double getAmount()
    {
        return checkAmount + depositAmount + adminAmount;
    }

    public void addTransaction(Check check)
    {
        checkAmount += check.getAmount();
        transactions.addElement(check);
    }
    public void addTransaction(Deposit deposit)
    {
        depositAmount += deposit.getAmount();
        transactions.addElement(deposit);
    }
    public void addTransaction(Administrative admin)
    {
        adminAmount += admin.getAmount();
        transactions.addElement(admin);
    }
    public Transaction getTransaction(int i)
    {
        return (Transaction)transactions.get(i);
    }
    public void deleteTransaction(int i)
    {
        Transaction t = getTransaction(i);
        if (t instanceof Check)
            checkAmount -= t.getAmount();
        else if (t instanceof Deposit)
            depositAmount -= t.getAmount();
        else if (t instanceof Administrative)
            adminAmount -= t.getAmount();
        transactions.remove(i);
    }
    public int getSize()
    {
        return transactions.size();
    }
    public String getBankName()
    {
        return bankName;
    }
    /**
        Returns a string representation of a checkbook object, listing the values of 
        some of its internal fields. Can be used to get a quick look at the state of
        a CheckBook object.
    */
    public String toString()
    {
        StringBuffer sb = new StringBuffer();
        sb.append("Number of transactions: " + getSize() + "\n");
        sb.append("\tAmount of checks:\t$" + checkAmount + "\n");
        sb.append("\tAmount of deposits:\t$" + depositAmount + "\n");
        sb.append("\tAmount of admins:\t$" + adminAmount + "\n");
        sb.append("\tTOTAL AMOUNT:\t$" + getAmount() + "\n");
        return sb.toString();
    }
}