//Christopher Tang Liang Hong
//P1838789
//DIT/FT/1B/02

package ATM_Application;

public class ATM {
    private BankAccount[] bankObjects = new BankAccount[3];

    public ATM() {
    }

     public int addMoney(BankAccount bankObj, double amount) {
        if (bankObj != null) {
            if (amount <= 0.0) {
                return 0;
            } else {
                bankObj.addBal(amount);
                return 1;
            }
        } else {
            return -2;
        }
    }

    public int withdrawMoney(BankAccount bankObj, double amount) {
        if (bankObj != null && amount > 0.0) {
            if (bankObj.getBal() >= amount) {
                bankObj.deductBal(amount);
                return 1;
            } else {
                return 0;
            }
        } else {
            return -1;
        }
    }

    public double checkAccBal(BankAccount bankObj) {
        if (bankObj != null) {
            return bankObj.getBal();
        }
        return 0.0;
    }

    public int checkUserandPass(BankAccount[] bankArray, String accNum, String pass) {
        int counter = 0;
        for (BankAccount item: bankArray) {
            if (item.getAccountNo().equals(accNum)) {
                if (item.getPass().equals(pass)) {
                return counter;
                } else {
                return -1;
                }
            }
            counter++;
        }
        return -2;
    }

    public BankAccount setBankObj(BankAccount bankObj) {
        BankAccount bankaccount = new BankAccount();
        if (bankObj != null) {
        bankaccount = bankObj;
        }
        return bankObj;
    }

    public boolean changePass(BankAccount bankObj, String newPass) {
        if (bankObj != null) {
           bankObj.setPass(newPass);
           return true;
        } else {
            return false;
        }
    }

    public boolean checkChangePass(String firstPass, String secondPass) {
        return firstPass.equals(secondPass);
    }

    public BankAccount[] instanceBankAccountObjects() {
         BankAccount bankAccount1 = new BankAccount("2353535", "Password1", 200.0);
         BankAccount bankAccount2 = new BankAccount("5252525", "Password2", 300.0);
         BankAccount bankAccount3 = new BankAccount("7575757", "Password3", 999.0);
         bankObjects[0] = bankAccount1;
         bankObjects[1] = bankAccount2;
         bankObjects[2] = bankAccount3;

         return bankObjects;
    }
}