//
//  BankAccount.swift
//  Ishankumar-Patel_COMP2125_Lab02
//
//  Created by Ishankumar Patel on 2019-06-19.
//  Copyright © 2019 Ishankumar Patel. All rights reserved.
//

import Foundation

public class BankAccount
{
    public var accountNumber:String = ""
    {
        didSet{
            print("The value of accountNumber is updated")
        }
    }
    public var customerName:String = ""
    {
        didSet{
            print("The value of customerName is updated")
        }
    }
    public var annualInterest:Double = 0.00
    {
        didSet{
            print("Annual Interest rate is updated")
        }
    }
    public var accountBalance:Double = 0.00
    {
        didSet{
            print("Account balance is updated")
        }
    }

    public init()
    {
        accountNumber = ""
        customerName = ""
        annualInterest = 0.00
        accountBalance = 0.00


    }
    public init(accountNumber:String,customerName:String,annualInterest:Double,accountBalance:Double)
    {
        if !accountNumber.isEmpty
        {
            self.accountNumber = accountNumber
        }
        if !customerName.isEmpty
        {
            self.customerName = customerName
        }
        if annualInterest >= 0 && annualInterest <= 2
        {
            self.annualInterest = annualInterest
        }
        if accountBalance > 0
        {
            self.accountBalance = accountBalance
        }

    }

    public var description :String
    {
        get{
            return "Account Number: \(accountNumber)\n Customer Name: \(customerName) \n Annual Interest \(annualInterest)"
        }
    }

    func credit(amount:Double)
    {
        if amount > 0
        {
            accountBalance = accountBalance + amount
        }
    }

    func debit(amount:Double)
    {
        if amount <= accountBalance && amount > 0
        {
            accountBalance = accountBalance - amount
        }
    }

}