using System;

using System.Linq;

using System.Collections;

using System.Collections.Generic;

using Newtonsoft.Json;

using AutoMapper;

using AutoMapper.EquivalencyExpression;

public class Program

{

    public static void Main()

    {

        var config = new MapperConfiguration(cfg =>

        {           

            cfg.CreateMap<TradeShapePeriod, TradeShapePeriod>().EqualityComparison((src, dest) => src.Id == dest.Id);

            cfg.CreateMap<TradeShapeVersion, TradeShapeVersion>().EqualityComparison((src, dest) => src.Id == dest.Id);

            cfg.CreateMap<TradeShape, TradeShape>();

        });

​

        var mapper = config.CreateMapper();

        var source = new TradeShape

        {

            Items = new List<TradeShapeVersion>

            {

                new TradeShapeVersion

                {

                    Id = 1,

                    Name = "SourceItem1",

                    SubItems = new List<TradeShapePeriod>

                    {

                        new TradeShapePeriod { Id = 1, Description = "SourceSubItem1" }

                    }

                },

                new TradeShapeVersion

                {

                    Id = 2,

                    Name = "SourceItem2",

                    SubItems = new List<TradeShapePeriod>

                    {

                        new TradeShapePeriod { Id = 2, Description = "SourceSubItem2" }

                    }

                }

            }

        };

​

        var destination = new TradeShape

        {

            Items = new List<TradeShapeVersion>

            {

                new TradeShapeVersion

                {

                    Id = 1,

                    Name = "DestinationItem1",

                    SubItems = new List<TradeShapePeriod>

                    {

                        new TradeShapePeriod { Id = 1, Description = "DestinationSubItem1" },

                        new TradeShapePeriod { Id = 2, Description = "DestinationSubItem2" }

                    }

                }

            }

        };  

        var finalDestination = mapper.Map(source, destination);

        /*Console.WriteLine(JsonConvert.SerializeObject(source));

        Console.WriteLine();

        Console.WriteLine(JsonConvert.SerializeObject(destination));

        Console.WriteLine();

        Console.WriteLine(JsonConvert.SerializeObject(finalDestination));*/

        Console.WriteLine(JsonConvert.SerializeObject(source));

        Console.WriteLine(JsonConvert.SerializeObject(MapSourceDestination(mapper, source, destination)));

        Console.WriteLine("Hello World");

    }

    public static TradeShape MapSourceDestination(IMapper mapper, TradeShape  src, TradeShape dest)

    {

        var destResult = mapper.Map<TradeShape>(dest);

        var destItems = new List<TradeShapeVersion>();

        foreach(var srcItem in src.Items){

        }       

        return destResult;

    }

}

​

public class TradeShapePeriod

{

    public int Id { get; set; }

    public string Description { get; set; }

}

​

public class TradeShapeVersion

{

    public int Id { get; set; }

    public string Name { get; set; }

    public List<TradeShapePeriod> SubItems { get; set; }

}

​

public class TradeShape

{

    public List<TradeShapeVersion> Items { get; set; }

}