using System;
using System.Collections.Generic;
using System.Collections;
using System.Linq;
using System.Text;
using System.Reflection;

namespace ClassCollection
{

    public interface IPlugin<T>
    {
        T Converting(T input);
    }

    class StringUpper : IPlugin<string>
    {
        public string Converting(string input)
        {
            return input.ToUpper();
        }
    }

    class StringLower : IPlugin<string>
    {
        public string Converting(string input)
        {
            return input.ToLower();
        }
    }

    class StringTransform : IPlugin<string>
    {
        public string Converting(string input)
        {
            return input += "\nYou shall not pass!";
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Class in the action");
            string @namespace = "ClassCollection";
            var ruleType = typeof(IPlugin<string>);
            AppDomain.CurrentDomain.GetAssemblies()
                       .SelectMany(t => t.GetTypes())
                       .Where(t => t.IsClass && t.Namespace == @namespace);
            var q = from t in Assembly.GetExecutingAssembly().GetTypes()
                    where t.IsClass && t.Namespace == @namespace && ruleType.IsAssignableFrom(t) && t.Name != "StringCollection"
                    select t;
            var a = q.ToList();

            q.ToList().ForEach(t =>
            {
                /* try
                {
                    var myObj = Activator.CreateInstance("ClassCollection", t.Name);
                }
                catch (Exception e)
                {
                    Console.WriteLine("Some Error {0}", e);

                }*/

                Type magicType = Type.GetType(t.Name);
                if (magicType != null)
                {
                    MethodInfo magicMethod = magicType.GetMethod("ItsMagic");
                    object classInstance = Activator.CreateInstance(magicType, null);

                    Console.WriteLine("Transformed : '{0}'", magicMethod.Invoke(classInstance, new object[] { "blabla" }));
                }
                else { Console.WriteLine("Errooooooooooooor"); }
            });


            Console.WriteLine("Press any key to exit.");
            Console.ReadKey();

        }
    }
}