using System;
using System.Collections.Generic;
using System.Text;

namespace Inheritance
{
    class Inheritance
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Creating unnamed Pet");
            Pet unnamed = new Pet();
            Console.WriteLine("\r\nCreating Pet MyPet");
            Pet myPet = new Pet("MyPet");

            Console.WriteLine("\r\nCreating Cat Tiger, then asking for noise");
            Cat tiger = new Cat("Tiger");
            tiger.MakeNoise();
            Console.WriteLine("\r\nCreating Kitten Fluffy, then asking for noise");
            Kitten fluffy = new Kitten("Fluffy");
            fluffy.MakeNoise();

            Pet[] arr = new Pet[4];
            arr[0] = unnamed;
            arr[1] = myPet;
            arr[2] = tiger;
            arr[3] = fluffy;
            Console.WriteLine("\r\nAsking everybody for noise");
            foreach (Pet p in arr)
            {
                p.MakeNoise();
            }
        }
    }

    class Pet
    {
       protected string _name;

        public Pet()
        {
            Console.WriteLine("Pet default constructor called");
        }

        public Pet(string name)
        {
            _name = name;
            Console.WriteLine("Pet string constructor called: " + _name);
        }

        virtual public void MakeNoise()
        {
            Console.WriteLine(_name + " :Noise from Pet class");
        }
    }

    class Cat : Pet
    {
        public Cat()
        {
            Console.WriteLine("Cat default constructor called");
        }

        public Cat(string name) //: base(name)
        {
            Console.WriteLine("Cat string constructor called: " + name);
        }

        public override void MakeNoise()
        {
            Console.WriteLine(_name + " :Meow");
        }
    }

    class Kitten : Cat
    {
        public Kitten(string name) //: base(name)
        {
            Console.WriteLine("Kitten string constructor called: " + name);
            _name = name + "!";
        }

    }

    //Output with BOTH base(name) calls
    //---------------------------------
    //Creating unnamed Pet
    //Pet default constructor called

    //Creating Pet MyPet
    //Pet string constructor called: MyPet

    //Creating Cat Tiger, then asking for noise
    //Pet string constructor called: Tiger
    //Cat string constructor called: Tiger
    //Tiger :Meow

    //Creating Kitten Fluffy, then asking for noise
    //Pet string constructor called: Fluffy
    //Cat string constructor called: Fluffy
    //Kitten string constructor called: Fluffy
    //Fluffy! :Meow

    //Asking everybody for noise
    // :Noise from Pet class
    //MyPet :Noise from Pet class
    //Tiger :Meow
    //Fluffy! :Meow

    //Output with NEITHER base(name) call
    //-----------------------------------
    //Creating unnamed Pet
    //Pet default constructor called

    //Creating Pet MyPet
    //Pet string constructor called: MyPet

    //Creating Cat Tiger, then asking for noise
    //Pet default constructor called
    //Cat string constructor called: Tiger
    // :Meow

    //Creating Kitten Fluffy, then asking for noise
    //Pet default constructor called
    //Cat default constructor called
    //Kitten string constructor called: Fluffy
    //Fluffy! :Meow

    //Asking everybody for noise
    // :Noise from Pet class
    //MyPet :Noise from Pet class
    // :Meow
    //Fluffy! :Meow
}