using System;

using System.Collections.Generic;

using System.Diagnostics.Eventing.Reader;

using System.Linq;

using System.Runtime.CompilerServices;

using System.Text;

using System.Threading.Tasks;

​

namespace ClassesIndependentProjectU5BankProject

{

    internal class Customer

    {

        //encapsulated variables

        private string name;

        private string address;

        private string phone;

        private int age;

        private string birthyear;

        public Customer(string name, string address, string phone)//3 parameter constructor

        {

            this.name = name;

            this.address = address;

            this.phone = phone;

        }

        public Customer() //Default constructor

        {

            this.name = "David";

            this.address = "15000 Brookvile";

            this.phone = "444-555-4545";

            this.age = 15;

            this.birthyear = "2000";

        }

        public Customer(string name, string address, string phone, int age) : this(name, address, phone) // 4 parameter constructor

        {

            this.age = age;

        }

​

        //getter/setters

        public string Name

        {

            get { return name; }

            set { name = value; }

        }

        public string Address

        {

            get { return address; }

            set { address = value; }

        }

        public string Phone

        {

            get { return phone; }

            set { phone = value; }

        }

        public string Birthyear

        {

            get { return birthyear; }

            set { birthyear = value; }

        }

        public int Age

        {

            get { return age; }

            set { age = value; }

        }

​

​

        public string Introduction()//Method that greets the customer

        {

            return $"Hello {Name}, how are you doing today?";

        }

        public string Checking()//Method that checks the customer's age

        {

            if (Age < 18)

            {

                return $"Since you are {Age}, You cannot be here.";

            }

            else

            {

                return $"Since you are {Age}, you are free to be here.";

            }

        }

​

        public static int AgeCalculator(int age)//Static method that calculates their age with their birthyear

        {

            return 2023 - age;

        }

         public static double Interest(int age)//Static method that calculates the clients interest

        {

            if (age >= 18 && age < 30)

            {

                Console.Write("Your interest is ");

                return 0.05;

            }

            else

            {

                Console.Write("Your interest is ");

                return 0.02;

            }

        }

        public static string CallClient(string phone)//Static method that calculates the clients interest

        {

            return $"Dialing {phone}";

        }

        public static string ConfirmClient(string address)//Static method that calculates the clients interest

        {

            return $"Confirming the address: {address}";

        }

        public static void Main(string[] args)

        {

            Customer customer1 = new Customer("Austin", "16000 Brookvile", "444-888-9294"); //Instantiating an object

            Customer customer2 = new Customer(); //Cnstantiating an object using the constructor

            Console.WriteLine(customer1.Introduction());//Calling an instance method

            Console.WriteLine(customer2.Checking());//Calling an instance method

            int f = AgeCalculator(23);//Calling a static method

            Console.WriteLine($"For the age {2023-f}, the birthyear is {f}");

            double d = Interest(20);//Calling a static method

            Console.WriteLine(d);

            string l = CallClient(customer1.phone);//Calling a static method

            Console.WriteLine(l);

            string p = ConfirmClient(customer1.address);//Calling a static method

            Console.WriteLine(p);

        }

    }

}