using System;
using System.Collections.Generic;
using System.Linq;
using Ninject;

namespace ConsoleApplication5
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var kernel = new StandardKernel();

            // First we create named bindings for ISerializer service
            kernel.Bind<ISerializer>().To<CsvSerializer>().Named("csv");
            kernel.Bind<ISerializer>().To<DatabaseSerializer>().Named("database");

            // Next, we bind all of them as a dictionary, so that dictionary can be used as a constructor argument
            // - Binding name will be the key of the item in a dictionary
            // - Service instance will be the value of the item in a dictionary
            kernel.Bind<IDictionary<string, ISerializer>>().ToMethod(
                context => kernel.GetBindings(typeof (ISerializer))
                    .ToDictionary(
                        binding => binding.Metadata.Name,
                        binding => (ISerializer) kernel.Get(binding.Service, binding.Metadata.Name)));

            // Now we bind Consumer class, so we can get an instance of it
            kernel.Bind<Consumer>().ToSelf();

            var consumer = kernel.Get<Consumer>();
            consumer.Serialize();

            Console.ReadLine();
        }
    }

    public interface ISerializer
    {
        string Serialize();
    }

    public class CsvSerializer : ISerializer
    {
        public string Serialize() => "csv serialized";
    }

    public class DatabaseSerializer : ISerializer
    {
        public string Serialize() => "database serialized";
    }

    public class Consumer
    {
        private readonly IDictionary<string, ISerializer> _serializers;

        public Consumer(IDictionary<string, ISerializer> serializers)
        {
            _serializers = serializers;
        }

        public void Serialize()
        {
            var csvResult = _serializers["csv"].Serialize();
            Console.WriteLine(csvResult);

            var databaseResult = _serializers["database"].Serialize();
            Console.WriteLine(databaseResult);
        }
    }
}