using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.Serialization.Json;
using System.Text;
using System.Threading.Tasks;
using MessageLib;

namespace ConsoleApp2
{
    public class Program
    {
        static void Main(string[] args)
        {

            MessageBox messageBox = new MessageBox();
            try
            {
                DataContractJsonSerializer jsonFormatter = new DataContractJsonSerializer(typeof(MessageBox));

                using (FileStream fs = new FileStream(@"..\..\..\ConsoleApp1\bin\Debug\messageBox.json", FileMode.Open))
                {
                    messageBox = (MessageBox)jsonFormatter.ReadObject(fs);

                    foreach (var message in messageBox)
                        Console.WriteLine(message.ToString());
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }

            var firstLINQ = messageBox
            .Where(p => p.Content.Length > 20)
            .Where(p => p.ReceiveDate < messageBox
            .First(q => q.GetType() == typeof(Message)).ReceiveDate);

            Console.WriteLine("\n First LINQ: ");
            foreach (var message in firstLINQ)
                Console.WriteLine(message.ToString());

            var secondLINQ = messageBox
            .Where(p => p.GetType() == typeof(Dmessage))
            .OrderBy(p => ((Dmessage)p).ReceiveDate)
            .GroupBy(p => ((Dmessage)p).Hours / 24)
            .OrderByDescending(p => p.Key);

            Console.WriteLine("\n Second LINQ: ");
            foreach (var message in secondLINQ)
                Console.WriteLine(message.ToString());

            Console.ReadKey();
        }
    }
}