using System;

using System.Net;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Documents;

using System.Windows.Ink;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Animation;

using System.Windows.Shapes;

using System.Collections.Generic;

using System.Xml.Linq;

using System.Threading;

using Iri.Modernisation.Data.LDTClass;

namespace Iri.Modernisation.Data.Models

{

    /// <summary>

    /// Classe VideoLivre

    /// </summary>

    public class VideoBook

    {

        /// <summary>

        /// Titre du VideoLivre

        /// </summary>

        public String Title { get; set; }

        /// <summary>

        /// Auteur du VideoLivre

        /// </summary>

        public User Author { get; set; }

        /// <summary>

        /// Chapitre du VideoLivre

        /// </summary>

        public VideoChapter[] Chapters { get; set; }

        /// <summary>

        /// Durée du VideoLivre

        /// </summary>

        public TimeSpan Duration { get; set; }

        /// <summary>

        /// Chemin de la vidéo fini

        /// </summary>

        public String MediaPath { get; set; }

        /// <summary>

        /// Constructeur par défaut

        /// </summary>

        public VideoBook()

        {

            Chapters = new VideoChapter[FactoryVideoLivre.VideoChapterDescriptions.Length];

            for (int nbChapitre = 0; nbChapitre < FactoryVideoLivre.VideoChapterDescriptions.Length; nbChapitre++)

            {

                Chapters[nbChapitre] = new VideoChapter(this,

                                                         FactoryVideoLivre.VideoChapterDescriptions[nbChapitre].Id,

                                                         FactoryVideoLivre.VideoChapterDescriptions[nbChapitre].Title,

                                                         FactoryVideoLivre.VideoChapterDescriptions[nbChapitre].Color);

            }

        }

    }

    public class VideoBookLoaderHelper

    {

        private WebClient webclient;

        private List<VideoBook> returnVideoBookList;

        private int nbOfBook;

        public VideoBookLoaderHelper(String path)

        {

            nbOfBook = 0;

            returnVideoBookList = new List<VideoBook>();

            webclient = new WebClient();

            webclient.DownloadStringCompleted += new DownloadStringCompletedEventHandler(webclient_DownloadStringCompleted);

            webclient.DownloadStringAsync(new Uri(path,UriKind.RelativeOrAbsolute ));

        }

        void webclient_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)

        {

            XDocument XDoc = XDocument.Parse(e.Result);

            List<VideoBook> ListReturn = new List<VideoBook>();

            foreach (XElement XVideoBook in XDoc.Root.Elements())

            {

                Loader<VideoBook> LoaderVideoBook = new Loader<VideoBook>(LDTFileReader.ConvertToVideoBook);

                LoaderVideoBook.LoaderFinished += new EventHandler<LoaderEventArgs<VideoBook>>(LoaderVideoBook_LoaderFinished);

                LoaderVideoBook.LoadAvailableVideoBooks(XVideoBook.Attribute("metafile").Value);

                nbOfBook++;

            }

        }

        void LoaderVideoBook_LoaderFinished(object sender, LoaderEventArgs<VideoBook> e)

        {

            returnVideoBookList.Add(e.CreatedObject);

            if(returnVideoBookList.Count == nbOfBook)

            {

                if(LoaderFinished!=null)

                {

                    LoaderFinished(this,new LoaderEventArgs<List<VideoBook>>(returnVideoBookList));

                }

            }

        }

        public event EventHandler<LoaderEventArgs<List<VideoBook>>> LoaderFinished;

         /*public List<VideoBook> LoadFromXml(XDocument XDoc)

        {

        }*/

    }

    /// <summary>

    /// Comparateur pour Trier les livres

    /// </summary>

    public class VideoBookComparer : IComparer<VideoBook>

    {

        public int Compare(VideoBook x, VideoBook y)

        {

            return x.Title.CompareTo(y.Title);

        }

    }

}