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

public class Main {
    private static List<Account> accountArrayList = new ArrayList<>();

        public static void main(String[] args) {

            Scanner scan = new Scanner(System.in);
            int i = 1;

        System.out.println("Welcome to my bank!");

            while( i != 0) {

                i = menu();

                switch(i) {
                case 1:
                    createAccount();
                    break;

                case 2:
                    checkBalance();
                    break;

                case 3:
                    depositMoney();
                    break;

                case 4:
                    withdraw();
                    break;

                case 5:
                    transfer();
                    break;

                case 9:
                    System.out.println(accountArrayList);
                    break;

                case 0:
                    System.out.println("Have a Good Day!");
                    break;

                default:
                    System.out.println("Please enter a valid entry");
                    break;
                }
            }
        }
            public static void createAccount() {
                Scanner scan = new Scanner(System.in);
                System.out.println("Please Enter a name for the account");
                String name = scan.nextLine();
                System.out.println("Please pick an account number");
                int accountNumber = scan.nextInt();
                System.out.println("Please Enter an initial balance");
                double accountBalance = scan.nextDouble();
                scan.nextLine();
                accountArrayList.add(new Account(name, accountNumber, accountBalance));
            }


            public static void depositMoney() {
                Scanner scan = new Scanner(System.in);
                System.out.println("Deposit");
                System.out.println("___________________________");
                System.out.println("Enter Account Number");
                int accountNumber = scan.nextInt();
                scan.nextLine();
                System.out.println("Enter Deposit Amount");
                double deposit = scan.nextDouble();
                scan.nextLine();

                for (int j = 0; j < accountArrayList.size(); j++) {
			        int acctCheck = accountArrayList.get(j).getAccountNumber();
			        if (acctCheck == accountNumber) {
			        accountArrayList.get(j).setAccountBalance(deposit + accountArrayList.get(j).getAccountBalance());
			        }
			    }
            }

            public static void checkBalance() {
                    Scanner scan = new Scanner(System.in);
                    System.out.println("Check Balance");
                    System.out.println("___________________________");
                    System.out.println("Enter Account Number");
                    int accountNumber = scan.nextInt();
                    scan.nextLine();

                    for (int j = 0; j < accountArrayList.size(); j++) {
			            int acctCheck = accountArrayList.get(j).getAccountNumber();
			                if (acctCheck == accountNumber) {
			                    double balance = accountArrayList.get(j).getAccountBalance();
			                    System.out.println(balance + "\n");
			                }
			        }
            }

            public static void withdraw() {
                    Scanner scan = new Scanner(System.in);
                    System.out.println("Withdraw");
                    System.out.println("___________________________");
                    System.out.println("Enter Account Number");
                    int accountNumber = scan.nextInt();
                    scan.nextLine();
                    System.out.println("Enter Withdraw Amount");
                    double withdraw = scan.nextDouble();
                    scan.nextLine();

                    for (int j = 0; j < accountArrayList.size(); j++) {
			            int acctCheck = accountArrayList.get(j).getAccountNumber();
			                if (acctCheck == accountNumber) {
			                    accountArrayList.get(j).setAccountBalance(accountArrayList.get(j).getAccountBalance() - withdraw);
			                }
			        }
            }

            public static int menu() {
                Scanner scan = new Scanner(System.in);
                System.out.println("___________________________");
                System.out.println("Please make a choice below:");
                System.out.println("___________________________");
                System.out.println("1 : New Account");
                System.out.println("2 : Check Balance");
                System.out.println("3 : Deposit");
                System.out.println("4 : Withdraw");
                System.out.println("5 : Transfer");
                System.out.println("9 : Debug");
                System.out.println("0 : Quit");
                System.out.println("___________________________");
                System.out.println(" ");
                int i = scan.nextInt();
                scan.nextLine();

                return i;
            }

            public static void transfer() {
                Scanner scan = new Scanner(System.in);
                System.out.println("Transfer");
                System.out.println("___________________________");
                System.out.println("Enter Account Number to Withdraw from");
                int accountNumberOne = scan.nextInt();
                scan.nextLine();
                System.out.println("Enter Account Number to Deposit into");
                int accountNumberTwo = scan.nextInt();
                scan.nextLine();
                System.out.println("Enter Transfer Amount");
                double withdraw = scan.nextDouble();
                scan.nextLine();

                for (int j = 0; j < accountArrayList.size(); j++) {
			           int acctCheck = accountArrayList.get(j).getAccountNumber();
			           if (acctCheck == accountNumberOne) {
			                    accountArrayList.get(j).setAccountBalance(accountArrayList.get(j).getAccountBalance() - withdraw);
			        }

		        for (j = 0; j < accountArrayList.size(); j++) {
			           acctCheck = accountArrayList.get(j).getAccountNumber();
			           if (acctCheck == accountNumberTwo) {
			                    accountArrayList.get(j).setAccountBalance(accountArrayList.get(j).getAccountBalance() + withdraw);
			        }
			    }
            }
        }
    }

class Account {
        private String name;
        private int accountNumber;
        private double accountBalance;

        public Account(String name, int accountNumber, double accountBalance) {
            this.name = name;
            this.accountNumber = accountNumber;
            this.accountBalance = accountBalance;
        }

        public String getName() {
            return this.name;
        }

        public int getAccountNumber() {
            return this.accountNumber;
        }

        public double getAccountBalance() {
            return this.accountBalance;
        }

        public void setName(String name) {
            this.name = name;
        }

        public void setAccountNumber(int accountNumber) {
            this.accountNumber = accountNumber;
        }

        public void setAccountBalance(double accountBalance) {
            this.accountBalance = accountBalance;
        }

        public String toString() {
            return (name + "'s Account \n Account Number " + accountNumber + "\n Account Balanace " + accountBalance);
        }
}