C#_OOP_Features_Human

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace App1b
{
    // outer
    class Human : Introducable
    {
        private string name;
        private int age;
        private double temp;
        public static int counter = 0;
        private static string nationality = "Bulgarian";
        private string[] friends = new string[5] { "Default", "Default", "Default", "Default", "Default"};
        public const double PI = 3.14;
        public static readonly double onlyRead = 5.6;
        public enum BrainSize {
            Small = 1300, Normal = 1350, Large = 1400
        }
        private Brain brain;

        public MyDelgate onIntroduceYourSelf;

        public static string Nationality
        {
            get { return nationality; }
            set { nationality = value; }
        }

        public string Name
        {
            get { return name; }
            set { name = value; }
        }

        public int Age
        {
            get { return age; }
            set { age = value; }
        }

        static Human()
        {
            onlyRead = 2.71;
        }

        public Human()
            : this("Default", 0, Human.BrainSize.Normal)
        {
           // name = "Default";
           // age = 0;
        }

        public Human(string name, int age, Human.BrainSize size)
        {
            this.name = name;
            this.age = age;
            counter++;
            // this.onlyRead = 2.7;
            brain = new Brain(size);
        }

        public Human(int age, string name, params string[] friends)
            : this(name, age, Human.BrainSize.Normal)
        {
            // this.name = name;
            // this.age = age;
             int i = 0;
            foreach (string friend in friends)
            {
                this.friends[i] = friend;
                i++;
            }
        }

        public double Balance
        {
            get { return name.Length * 2 * 2; }
        }

        public virtual void IntroduceYourSelf()
        {
            if (onIntroduceYourSelf != null) {
                onIntroduceYourSelf("Name: " + name + " Age: "+ age);
            }
            Console.WriteLine("My name is {0}. I am {1} years old. And My Banace is {2}. My nationality is {3}, And I am {4}. And my brain tells me I am {5}", name, age, Balance, nationality, GetMyFeelings(), brain.Think());
        }

        public void IntroduceYourSelf(string verbous)
        {
            IntroduceYourSelf();
            Console.WriteLine("I am told to be {0}", verbous);
            // Console.WriteLine("My name is {0} And it is saved in a field. I am {1} years old. And My Banace is {2}. And I am told to be {3}", name, age, Balance, verbous);
        }

        public string GetFriend(int index)
        {
            return this.friends[index];
        }

        public static double CalculateNationalIncome()
        {
            return counter * 10000;
        }

        private string GetMyFeelings()
        {
            if (age > 50) {
                return "sad";
            }
            return "happy";
        }


        // Inner
        private class Brain
        {
            private Human.BrainSize size;

            public Human.BrainSize Size
            {
                get { return size; }
                set { size = value; }
            }

            public Brain()
                : this(Human.BrainSize.Normal)
            { }

            public Brain(Human.BrainSize size)
            {
                this.size = size;
            }

            public string Think()
            {
                if (size >= Human.BrainSize.Normal) {
                    return "Smart";
                }
                return "Dumm";
            }
        }
/*
        public string GetName()
        {
            return name;
        }

        public void SetName(string name)
        {
            this.name = name;
        }

        public int GetAge()
        {
            return age;
        }

        public void SetAge(int age)
        {
            this.age = age;
        }
*/
    }
}