using System;
using System.Collections.Generic;
using Marten;
using Marten.Linq;

namespace Sample
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            var store = DocumentStore.For(_ =>
            {
                _.Connection("host=localhost;database=sample;password=root;username=postgres");
                _.AutoCreateSchemaObjects = AutoCreate.All;
            });

            using (var session = store.OpenSession())
            {
                var order = new Order {Customer = "Luca"};
                var line = new OrderLine() {Name = "Sample"};
                order.Lines.Add(line);
                session.Store(order);
                session.SaveChanges();
            }

            using (var session = store.QuerySession())
            {
                QueryStatistics stats;
                session.Query<Order>().Stats(out stats);
                Console.WriteLine($"Count({stats.TotalResults})");
            }
        }
    }

    public class Order
    {
        public int Id { get; set; }
        public string Customer { get; set; }
        public List<OrderLine> Lines { get; set; } = new List<OrderLine>();
    }

    public class OrderLine
    {
        public string Name { get; set; }
    }
}