using System;
using System.Diagnostics;
using System.Threading;

namespace UsingIsEqualsComparison
{
   public class Program
   {
      public static void Main()
      {
         Thread.Sleep(1000);

         Debug.WriteLine("Hello from nanoFramework!");

         try
         {
            // try with an int
            int x = 0;
            int y = 0;

            Debug.WriteLine($"X.Equals(y):{x.Equals(y)}");
            Debug.WriteLine($"X.Equals(0):{x.Equals(0)}");

            // try with a string
            string a = "a";
            string b = "b";

            Debug.WriteLine($"X.Equals(a):{a.Equals(b)}");
            Debug.WriteLine($"X.Equals(null):{a.Equals(null)}");

            AnEnum e1 = AnEnum.A;
            AnEnum e2 = AnEnum.B;

            Debug.WriteLine($"e1.Equals(e1):{e1.Equals(e1)}");
            Debug.WriteLine($"e1.Equals(e2):{e1.Equals(e2)}");
            Debug.WriteLine($"e1.Equals(AnEnum.C):{e1.Equals(AnEnum.C)}");

            // Try with a class
            AClass c1 = new AClass(){a = 1};
            AClass c2 = new AClass(){a = 1};

            Debug.WriteLine($"c1.Equals(c2):{c1.Equals(c2)}");
            Debug.WriteLine($"c1.Equals(c1):{c1.Equals(c1)}");
            Debug.WriteLine($"c1.Equals(null):{c1.Equals(null)}");

            // Try with a struct
            AStruct s1 = new AStruct() { a = 1 };
            AStruct s2 = new AStruct() { a = 2 };

            //These go pop
            Debug.WriteLine($"s1.Equals(s1):{s1.Equals(s1)}"); 
            //Debug.WriteLine($"s1.Equals(s2):{s1.Equals(s2)}");
            //Debug.WriteLine($"s1.Equals(null):{s1.Equals(null)}");
            //Debug.WriteLine($"s1.Equals(null):{s2.Equals(null)}");

            //if ( s1!= null)
            {

            }

            Debug.WriteLine($"s1.a.Equals(s1):{s1.a.Equals(s1.a)}");
            Debug.WriteLine($"s1.a.Equals(s1):{s1.a.Equals(s2.a)}");
         }
         catch ( Exception ex)
         {
            Debug.WriteLine(ex.Message);
         }

         Thread.Sleep(Timeout.Infinite);
      }

      public enum AnEnum
      {
         A = 1,
         B = 2,
         C = 3
      }

      public class AClass
      {
         public int a { get; set; }
      }

      public struct AStruct
      {
         public int a { get; set; }
      }
   }
}