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 Iri.Modernisation.Data.Models;

using Iri.Modernisation.BaseMVVM.Commands;

using Iri.Modernisation.BaseMVVM.ViewModel;

using System.Collections.Generic;

namespace Iri.Modernisation.Controls.ViewModel

{

    /// <summary>

    /// ViewModel du module BookTimeLine

    /// </summary>

    public class BookTimeLineVM : BaseMVVM.ViewModel.ViewModel

    {

        /// <summary>

        /// Livre sélectionné

        /// </summary>

        private VideoBook _selectedBook;

        public VideoBook SelectedBook

        {

            get

            {

                return _selectedBook;

            }

        }

        /// <summary>

        /// 

        /// </summary>

        public String AuthorFullname

        {

            get

            {

                return Author.FirstName + " " + Author.Name;

            }

        }

        /// <summary>

        /// Titre du Livre

        /// </summary>

        private String _title;

        public String Title 

        {

            get

            {

                return _title;

            }

            private set

            {

                _title = value;

                _selectedBook.Title = value;

                OnPropertyChanged("Title");

            }

        }

        /// <summary>

        /// Auteur du Livre

        /// </summary>

        private User _author;

        public User Author

        {

            get

            {

                return _author;

            }

            private set

            {

                _author = value;

                _selectedBook.Author = value;

                OnPropertyChanged("Author");

            }

        }

        /// <summary>

        /// Chapitre du Livre

        /// </summary>

        private VideoChapter[] _chapters;

        public VideoChapter[] Chapters

        {

            get

            {

                return _chapters;

            }

            private set

            {

                _chapters = value;

                _selectedBook.Chapters = value;

                OnPropertyChanged("Chapters");

            }

        }

        /// <summary>

        /// Liste des Index des Chapitres

        /// </summary>

        private List<SegmentIndex>[] _segmentIndex=new List<SegmentIndex>[4];

        public List<SegmentIndex>[] SegmentIndex

        {

            get

            {

                return _segmentIndex;

            }

            set

            {

                _segmentIndex = value;

                OnPropertyChanged("SegmentIndex");

            }

        }

        /// <summary>

        /// Liste des Annotations

        /// </summary>

        private List<Annotation>[] _annotations=new List<Annotation>[4];

        public List<Annotation>[] Annotations

        {

            get

            {

                return _annotations;

            }

            set

            {

                _annotations = value;

                OnPropertyChanged("Annotations");

            }

        }

        /// <summary>

        /// Durée totale du Livre

        /// </summary>

        private TimeSpan _totalDuration;

        public double TotalDuration

        {

            get

            {

                return _totalDuration.TotalMilliseconds;

            }

            set

            {

                _totalDuration = new TimeSpan(0, 0, 0, 0, (int)value);

                _selectedBook.Duration = new TimeSpan(0, 0, 0, 0, (int)value); ;

                OnPropertyChanged("Duration");

            }

        }

        private List<int> _polemicSpectrumData = new List<int>();

        public List<int> PolemicSpectrumData

        {

            get

            {

                return _polemicSpectrumData;

            }

        }

        private List<int> _adhesionSpectrumData = new List<int>();

        public List<int> AdhesionSpectrumData

        {

            get

            {

                return _adhesionSpectrumData;

            }

        }

        private List<int> _referenceSpectrumData = new List<int>();

        public List<int> ReferenceSpectrumData

        {

            get

            {

                return _referenceSpectrumData;

            }

        }

        private List<int> _questionSpectrumData = new List<int>();

        public List<int> QuestionSpectrumData

        {

            get

            {

                return _questionSpectrumData;

            }

        }

        private List<int> _generalSpectrumData = new List<int>();

        public List<int> GeneralSpectrumData

        {

            get

            {

                return _generalSpectrumData;

            }

        }

        /// <summary>

        /// Position du curseur de lecture

        /// </summary>

        private double _position;

        public double Position

        {

            get

            {

                return _position;

            }

            set

            {

                _position = value;

                OnPropertyChanged("Position");

            }

        }

        /// <summary>

        /// Chargement des données et annalyse

        /// </summary>

        private void LoadData()

        {

            if (_selectedBook.Duration != TimeSpan.Zero)

            {

            for (double i = 0; i <= _selectedBook.Duration.TotalMilliseconds; i = (i + _selectedBook.Duration.TotalMilliseconds / 150))

            {

                int[] Tem = new int[4]{0,0,0,0};

                foreach (VideoChapter Ch in _selectedBook.Chapters)

                {

                    foreach (Annotation An in Ch.Annotations)

                    {

                        if (An.TimerIn.TotalMilliseconds <= i && An.TimerOut.TotalMilliseconds >= i)

                        {

                            switch (An.Type)

                            {

                                case PolemicElementType.Polemic:

                                    Tem[0]++;

                                    break;

                                case PolemicElementType.Adhesion:

                                    Tem[1]++;

                                    break;

                                case PolemicElementType.Reference:

                                    Tem[2]++;

                                    break;

                                case PolemicElementType.Question:

                                    Tem[3]++;

                                    break;

                                default:

                                    break;

                            }

                        }

                    }

                }

                _polemicSpectrumData.Add(Tem[0]);

               _adhesionSpectrumData.Add(Tem[1]);

                _referenceSpectrumData.Add(Tem[2]);

              _questionSpectrumData.Add(Tem[3]);

               _generalSpectrumData.Add((Tem[0]+Tem[1]+Tem[2]+Tem[3]));

            }

            }

        }

        /// <summary>

        /// Constructeur    

        /// </summary>

        /// <param name="bookParam">VideoLivre à étudier</param>

        public BookTimeLineVM(VideoBook bookParam)

        {

            _selectedBook = bookParam;

            _title = bookParam.Title;

            _author = bookParam.Author;

            _chapters = bookParam.Chapters;

            _totalDuration = bookParam.Duration;

            LoadData();

            LoadElements();

            Commands.TimeChange.Executed += new EventHandler<SLExtensions.Input.ExecutedEventArgs>(TimeChange_Executed);

        }

        void TimeChange_Executed(object sender, SLExtensions.Input.ExecutedEventArgs e)

        {

          //  Position = ((Slider)e.Parameter).Value;

            //Commands.VideoViewer.Pause.Execute();

            Commands.GoToTime.Execute(((Slider)e.Parameter).Value);

            //Commands.VideoViewer.Play.Execute();

        }

        /// <summary>

        /// Chargement des éléments du livre (Index et Annotations)

        /// </summary>

        private void LoadElements()

        {

            for(int key=0;key< _selectedBook.Chapters.Length;key++)

            {

              _segmentIndex[key] = _selectedBook.Chapters[key].Index;

               _annotations[key] = _selectedBook.Chapters[key].Annotations;

            }

        }

    }

}