ZCW-Inheritance-AbstractBankAccount/src/main/java/com/zipcodewilmington/bankaccountlab/ATM.java

package com.zipcodewilmington.bankaccountlab;

import java.util.ArrayList;
import java.util.Scanner;

public class ATM {

    private ArrayList<Account> accounts = new ArrayList<Account>();

    private Account selectedAccount;

    public void add(Account account) {
        accounts.add(account);
    }

    public double getTotal() {
        double total = 0.0;
        for (Account account: this.accounts) {
            total += account.getBalance();
        }
        return total;
    }

    public Account getSelectedAccount() {
        return selectedAccount;
    }

    public void setSelectedAccount(Account selectedAccount) {
        this.selectedAccount = selectedAccount;
    }

    public void display(){
        StringBuilder sb = new StringBuilder();

        int counter = 1;
        for (Account account:this.accounts) {
            sb.append(String.format("%5d. %15s %.2f \n", counter, account.getClass().getSimpleName(), account.getBalance()));
            counter++;
        }
        System.out.println(sb.toString());
    }

    public void run(){
        this.add(new CheckingAccount(2000));
        this.add(new SavingAccount(1500));
        this.add(new BusinessAccount(3000));

        String input;

        while(true){
            if(this.selectedAccount == null){
                this.display();
                input = getInput("Please Select a Account: ");

                if(input.equalsIgnoreCase("Checkings")){
                    this.selectedAccount = this.accounts.get(0);
                } else if(input.equalsIgnoreCase("Savings")){
                    this.selectedAccount = this.accounts.get(1);
                } else if(input.equalsIgnoreCase("Business")){
                    this.selectedAccount = this.accounts.get(2);
                } if(input.equalsIgnoreCase("Exit")){
                    System.out.println("Thank you for using my ATM");
                    break;
                }
            } else {
                System.out.println("You are selected into your " + this.selectedAccount.getClass().getSimpleName() + "\n");
                System.out.println(this.selectedAccount.getBalance());
                input = getInput("Please Enter Withdraw, Deposit or Check Balance");

                if(input.equalsIgnoreCase("Withdraw")){

                    input = getInput("Enter a amount to Withdraw");
                    this.selectedAccount.withdraw(Double.parseDouble(input));

                } else if(input.equalsIgnoreCase("Deposit")){

                    input = getInput("Enter a amount to Deposit");
                    this.selectedAccount.deposit(Double.parseDouble(input));

                } else if(input.equalsIgnoreCase("Check Balance")){

                    System.out.println(this.selectedAccount.getBalance());

                } else if(input.equalsIgnoreCase("exit")){

                    this.selectedAccount = null;
                }
            }

        }

    }


    public static String getInput(String prompt) {
        System.out.println(prompt);
        Scanner scanner = new Scanner(System.in);
        return scanner.nextLine();
    }

}