import java.text.DecimalFormat;
import java.util.Scanner;

public class AccountTest
{
    public static void main(String[] args)
    {
        Scanner input = new Scanner(System.in);

        char moreAccs;    //used to stop do-while loop
        int i = 0;        //used to increase Array lenght

        DecimalFormat df = new DecimalFormat("#.00");      //create object to display 2 decimals

        System.out.println("Welcome to the Bank of Programmers");
        System.out.println("Please create a new account\n");

        do
        {
            Account[] acc = new Account[i + 1];      //create an Array of objects

            String name;
            double amount;
            char keep = 'y';   // used to end while loop.

            System.out.print("Enter your name: ");
            name = input.nextLine();
            System.out.print("Initial deposit: $");
            amount = input.nextDouble();
            acc[i] = new Account(name, amount);     //create instance of the object
            System.out.println();

            System.out.println(acc[i].toString());          //Displays account info

            System.out.println("What would you like to do next?");
            while(keep == 'y')
            {
                int answer;


                System.out.print("Type 1 to deposit or 2 to withdraw money: ");
                answer = input.nextInt();

                //user Error prevention
                while(answer !=2 && answer !=1)
                {
                    System.out.print("ERROR: Type 1 to deposit or 2 to withdraw money: ");
                    answer = input.nextInt();
                }

                switch(answer)  //check user answer
                {
                    case 1:
                        System.out.print("  Enter deposit amount: $");
                        amount = input.nextDouble();
                        acc[i].deposit(amount);         //deposits money to account
                        System.out.println( "  Account balance = $" + df.format( acc[i].inquiry() ) ); //display Account balance
                        System.out.println();
                        break;
                    case 2:
                        System.out.print("  Enter withdrawal ammount: $");
                        amount = input.nextDouble();
                        acc[i].withDraw(amount);        //withdraws money from account
                        System.out.println( "  Account balance = $" + df.format( acc[i].inquiry() ) ); //display Account balance
                        System.out.println();
                        break;
                    default:
                        System.out.print("Something is wrong");
                        break;
                }

                System.out.print("Do you want to deposit or withdraw more money? (y or n): ");
                keep = input.next().charAt(0);      //only input first char value

                while(keep !='y' && keep !='n')     //user Error prevention
                {
                    System.out.print("  ERROR: Enter 'y' for yes or 'n' for no: ");
                    keep = input.next().charAt(0);
                }

            }

            System.out.print("Do you want to create another account? (y or n): ");
            moreAccs = input.next().charAt(0);

            while(moreAccs !='y' && moreAccs !='n')     //user Error prevention
            {
                System.out.print("  ERROR: Enter 'y' for yes or 'n' for no: ");
                moreAccs = input.next().charAt(0);
            }

            input.nextLine();                            //consumes \n bug fix.
            System.out.println();
            System.out.println();
            i++;     //increase by one so more accounts can be created.

        }while(moreAccs == 'y');

        System.out.println("The bank has " + Account.numOfAccs() + " accounts.");   //display accounts created
    }
}