import java.text.DecimalFormat;
public class Account
{
    private int accNum;
    private String accName;
    private double balance;
    private static int numOfAccs;

     DecimalFormat df = new DecimalFormat("#.00");                   //create object to round decimals

    /**
     * Default constructor
     * Sets default values to attributes
     */
    public Account()
    {
        accNum = 0;
        accName = "no mame";
        balance = 0;
        numOfAccs = 1;
    }

    /**
     * Constructor
     * sets account name and initial balance
     * @param accName
     * @param initBalance
     */
    public Account(String accName, double initBalance)
    {
        accNum = (int)(Math.random() * 999999999 ) + 100000000  ;    //generates account number (9 digits)
        this.accName = accName;
        balance = initBalance;                                       //sets initial balance

        numOfAccs++;                                                 //increase number of accounts
    }

    /**
     * Mutator
     * withdraw money from account, decreases balance.
     * @param amount
     */
    public void withDraw(double amount)
    {
        if ( balance >= amount )
        {
            balance -= amount;          //reduce balance
            System.out.println("  You've withdrawn $" + df.format(amount) + " from your account");
        }
        else
            System.out.println("  Insufficient balance");
    }

    /**
     * Mutator
     * Deposits money to account, increases balance.
     * @param amount
     */
    public void deposit(double amount)
    {
        if ( amount < 0 )
            System.out.println("  Deposit must be positive");
        else
        {
            balance += amount;
            System.out.println("  You've deposited $" + df.format(amount) + " to your account.");
        }
    }

    /**
     * Accessor
     * @return balance
     */
    public double inquiry()
    {
        return balance;
    }

    /**
     * Accessor
     * @return accName, balance and accNum in a string
     */
    public String toString()
    {
        return "   Account Name: " + accName +
               "\n   Balance: $" + df.format(balance) +
               "\n   Account Number: " + accNum + "\n";
    }

    /**
     * Accessor
     * @return total number of accounts created
     */
    public static int numOfAccs()
    {
        return numOfAccs;
    }
}