using System;

​

namespace Humans

{

    public class Human

    {

        public readonly string Name;

        public readonly DateTime Birthday;

​

        public Human(string name, DateTime birthday)

        {

            Name = name;

            Birthday = birthday;

        }

​

        public double AgeInDays => (DateTime.Today - Birthday).TotalDays;

        public double Age => AgeInDays / 365.2425;

​

        public virtual void TellAboutYourself()

        {

            Console.WriteLine($"Hi! I'm {Age:0.00} years ({AgeInDays} days) old {Name}.");

        }

​

        public void CompareTo(Human anotherHuman)

        {

            Console.Write($"I'm {(Age > anotherHuman.Age ? "older" : "younger")}");

            Console.WriteLine($" than {anotherHuman.Name} by {Math.Abs(Age - anotherHuman.Age):0.0} years.");

        }

​

        public void IfBirthday()

        {

            if (DateTime.Today.Day == Birthday.Day && DateTime.Today.Month == Birthday.Month)

                Console.WriteLine($"{Name} birthday is Today!");

            else

                Console.WriteLine($"{Name} birthday is not Today!");

        }

    }

​

    public class Employee : Human

    {

        private bool IamAtWork = false;

        private bool StayHome = true;

        public Employee(string name, DateTime birthday) : base(name, birthday) { }

​

        public void GoToWork()

        {

            if (DateTime.Today.DayOfWeek == DayOfWeek.Sunday)

                Console.WriteLine("No! Today is my Day Off!");

            else if (IamAtWork)

                Console.WriteLine("What??!! I'm already at Work!! ");

            else

            {

                IamAtWork = true;

                Console.WriteLine("Ok! I need to go, because I'm just a program.");

            }

        }

​

        public void StayAtHome()

        {

            if (DateTime.Today.DayOfWeek == DayOfWeek.Friday)

                Console.WriteLine("Today I will Stay at Home!");

            else

            {

                IamAtWork = false;

                StayHome = true;

            }

        }

​

​

        public void CoffeeBreak(int minutes)

        {

            if (IamAtWork)

                Console.WriteLine($"Take a {minutes} minutes coffee break"); //or CoffeeBrake(munutes.ToString());

        }

​

        public void CoffeeBreak(string minutes)

        {

            if (IamAtWork)

                Console.WriteLine($"Take a {minutes} minutes coffee break");

        }

    }

​

    public class Male : Employee

    {

        public Male(string name, DateTime birthday) : base(name, birthday) { }

​

        public override void TellAboutYourself()

        {

            Console.WriteLine($"Hi! I'm {Age:0.00} years ({AgeInDays} days) old man. My name is {Name}.");

        }

    }

​

    public class Female : Employee

    {

        public Female(string name, DateTime birthday) : base(name, birthday) { }

​

        public override void TellAboutYourself()

        {

            Console.WriteLine($"Hi! I'm {Age:0.00} years ({AgeInDays} days) old woman. My name is {Name}.");

        }

    }

​

​

    public class Program

    {

        public static void Main()

        {

            Human Savelijs = new Male("Savelijs", new DateTime(2003, 09, 23));

            Male RaimondsPauls = new Male("Raimonds Pauls", new DateTime(1936, 01, 12));

            Male EgilsLevits = new Male("Egils Levits", new DateTime(1955, 06, 30));

            Female Andra = new Female("Andra Levīte", new DateTime(1976, 07, 23));

            Andra.TellAboutYourself(); // Hi! I'm 85.90 years (31375 days) old Raimonds Pauls.

            Andra.CompareTo(EgilsLevits); // I'm older than Egils Levits by 19.5 years.

            EgilsLevits.TellAboutYourself(); // Hi! I'm 66.44 years (24266 days) old Egils Levits.

            EgilsLevits.CompareTo(Andra); // I'm younger than Raimonds Pauls by 19.5 years.

            EgilsLevits.StayAtHome(); // I'm at home!

            EgilsLevits.GoToWork(); // Ok! I need to go, because I'm just a program.

            EgilsLevits.GoToWork(); // What??!! I'm already at work!!

            EgilsLevits.CoffeeBreak(10);

            EgilsLevits.StayAtHome();

            Andra.IfBirthday();

        }

    }

}