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

namespace AdapterPattern
{
    class Program
    {
        static void Main(string[] args)
        {
            ISquareHandler squareHandler = new RectangleAdapter(new RectangleHandler());
            Console.WriteLine("Square edge length:");
            int length = int.Parse(Console.ReadLine());
            int area = squareHandler.GetArea(length);
            int perimeter = squareHandler.GetPerimeter(length);
            Console.WriteLine("Square: {0}x{0}", length);
            Console.WriteLine("Area: {0}", area);
            Console.WriteLine("Perimeter: {0}", perimeter);
        }
    }

    public class RectangleHandler
    {
        public double Area(double a, double b)
        {
            return a * b;
        }

        public double Perimeter(double a, double b)
        {
            return 2 * a + 2 * b;
        }
    }

    public interface ISquareHandler
    {
        int GetArea(int a);
        int GetPerimeter(int a);
    }

    public class RectangleAdapter : ISquareHandler
    {
        private RectangleHandler adaptedHandler;

        public RectangleAdapter(RectangleHandler _adapted)
        {
            adaptedHandler = _adapted;
        }

        public int GetArea(int a)
        {
            int result = (int)adaptedHandler.Area((double)a, (double)a);
            return result;
        }

        public int GetPerimeter(int a)
        {
            int result = (int)adaptedHandler.Perimeter((double)a, (double)a);
            return result;
        }
    }
}