/**
 * A little class to simulate some of the actions of a retail bank
 * with a passbooks savings account.
 * (Using a lot of imagination)
 * 
 * @author gtowell
 * Created: Nov 2023
 */
public class Bank {
    BankAccount[] accounts = null;
    int accountNumber = 2;
    int activeAccounts;

    public Bank(int size) {
        accounts = new BankAccount[size];
        activeAccounts = 0;
    }
    
    private String nextAccountNumber() {
        accountNumber *= 1.5;
        String nextNum = "" + accountNumber;
        while (nextNum.length() < 9) {
            nextNum = " " + nextNum;
        }
        return nextNum;
    }

    public BankAccount makeAccount(String name, double initialDeposit) {
        BankAccount ba = new BankAccount(name, nextAccountNumber(), initialDeposit);
        accounts[activeAccounts] = ba;
        activeAccounts++;
        return ba;
    }

    public void listAccounts() {
        for (int i = 0; i < activeAccounts; i++) {
            System.out.println(accounts[i]);
        }
    }

    public BankAccount getAccountFromNumber(String accNum) {
        for (int i = 0; i < activeAccounts; i++) {
            if (accNum.equals(accounts[i].getAccountNumber())) {
                return accounts[i];
            }
        }
        return null;
    }
}