using MongoDB.Bson;
using MongoDB.Driver;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;
using MongoDB.Driver.Linq;

namespace MongoDbHierarchicalStoring
{
    class Program
    {
        static void Main(string[] args)
        {           
            try
            {
                MongoDB.Driver.MongoClient myClient = new MongoDB.Driver.MongoClient("mongodb://localhost:27010");
                var db = myClient.GetDatabase("YOUR_MONGODB_DATABASE");
                var collection = db.GetCollection<Man>("TestHierarchicalData");
                var queryableCollection = collection.AsQueryable();
                
                Man obj = new Man() {Id = "Man1_671", Name = "Patrick"};
                collection.InsertOneAsync(obj).Wait();

                /* TEST 2: using projection seems buggy */
                System.Linq.Expressions.Expression<Func<Man, Man>> func = mec => new Man
                {
                    Id = mec.Id,
                    Name = mec.Name
                };


                // This line bugs using the 2.2.4 driver and works using the 2.2.1 version
                var listProjection = queryableCollection.Select(func).ToListAsync().Result;



                if (listProjection == null || listProjection.Count == 0)
                    Console.WriteLine("With projection, list not found....");
                else
                    Console.WriteLine("Projection Worked");

                Console.ReadKey();
            }
            catch (Exception e)
            {
                Console.WriteLine("BUG: " + e.Message);
                Console.ReadKey();
            }
        }
    }

    [DataContract]
    public class Man
    {
        [DataMember]
        public string Id
        { get; set; }

        [DataMember]
        public string Name
        { get; set; }
    }
}