using System;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Json;
using System.Xml;
using static System.Console;
using Model;
using Microsoft.VisualBasic;
using System.Data;

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

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

            XmlWriterSettings settings = new XmlWriterSettings() { Indent = true };
            using (TextWriter tw = File.CreateText(xmlFile))
            {
                using (XmlWriter writer = XmlWriter.Create(tw, settings))
                {
                    serializer.WriteObject(writer, theque);
                }
            }
        }

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

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

            Theque theque = new Theque();
            if(File.Exists(xmlFile))
            {
                using (Stream stream = File.OpenRead(xmlFile))
                {
                    Theque? thequeOpt = serializer.ReadObject(stream) as Theque;
                    if (thequeOpt != null)
                        theque = thequeOpt;
                    else
                        Console.WriteLine("Theque est null");
                }
            }
            else
            {
                theque = Stub.LoadTheque();
            }
            return theque;
        }
    }
}