using Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;
using System.Xml;

namespace Persistance
{
    public class DataSerializerBinary
    {
        public static void Serializer(string path, Theque theque)
        {
            Directory.SetCurrentDirectory(Path.Combine(Directory.GetCurrentDirectory(), path));
            string txtFile = "theque.txt";

            var serializer = new DataContractSerializer(typeof(Theque));

            using (FileStream stream = File.Create(txtFile))
            {
                using (XmlDictionaryWriter xmlDicoWriter = XmlDictionaryWriter.CreateBinaryWriter(stream))
                {
                    serializer.WriteObject(xmlDicoWriter, theque);
                }
            }
        }

        public static Theque Deserializer(string path)
        {
            Directory.SetCurrentDirectory(Path.Combine(Directory.GetCurrentDirectory(), path));
            string txtFile = "theque.txt";

            var serializer = new DataContractSerializer(typeof(Theque));

            Theque? theque = new Theque();
            if (File.Exists(txtFile))
            {
                using (FileStream stream = File.OpenRead(txtFile))
                {
                    using (XmlDictionaryReader xmlDicoReader = XmlDictionaryReader.CreateBinaryReader(stream, XmlDictionaryReaderQuotas.Max))
                    {
                        Theque? thequeOpt = serializer.ReadObject(xmlDicoReader) as Theque;
                        if (thequeOpt != null)
                            theque = thequeOpt;
                        else
                            Console.WriteLine("Theque est null"); 
                    }
                }
            }
            else
            {
                theque = Stub.LoadTheque();
            }
            return theque;
        }
    }
}