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 SLExtensions.Input;

using Iri.Modernisation.BaseMVVM.Commands;

using Iri.Modernisation.BaseMVVM.ViewModel;

using Iri.Modernisation.Data.Models;

using System.Collections.Generic;

using System.Linq;

namespace Iri.Modernisation.Controls.ViewModel

{

    public class ConsultMenuVM : BaseMVVM.ViewModel.ViewModel

    {

      private List<VideoBook> _videoBooks = new List<VideoBook>();

      private List<VideoBook> list = new List<VideoBook>();

      public List<VideoBook> VideoBooks

      {

          get 

          {

              _videoBooks.Sort(new VideoBookComparer());

              if (SearchWord != String.Empty)

              {

                  return list;

              }

              else

              {

                  return _videoBooks;

              }

          }

          set

          {

              list = value;

              OnPropertyChanged("VideoBooks");

          }

      }

      public bool SearchAuthor { get; set; }

      public bool SearchContributer { get; set; }

      public bool SearchTag { get; set; }

      private String _searchWord= "";

      public String SearchWord 

      { 

          get

          {

              return _searchWord;

          }

          set 

          {

              _searchWord = value;

              OnPropertyChanged("SearchWord");

          } 

      }

        public ConsultMenuVM()

        {

            SearchAuthor = true;

          InitializeCommands();

        }

        private void InitializeCommands()

        {

           Commands.ConsultMenu.GetBook.Executed += new EventHandler<ExecutedEventArgs>(GetBook_Executed);

         }

        public ConsultMenuVM(List<VideoBook> argList)

        {

            _videoBooks = argList;

            SearchAuthor = true;

            InitializeCommands();

        }

        void GetBook_Executed(object sender, ExecutedEventArgs e)

        {

           if (SearchAuthor)

            {

                var query = from c in _videoBooks

                            where c.Author.UserName.Contains(_searchWord)

                            select c;

                VideoBooks = query.ToList();

            }

            if (SearchContributer)

            {

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

                foreach (VideoBook Book in _videoBooks)

                {

                    foreach (VideoChapter Chapter in Book.Chapters)

                    {

                        foreach (Annotation Annotation in Chapter.Annotations)

                        {

                            if ( Annotation.Contributer.UserName.Contains(_searchWord))

                            {

                                temp.Add(Book);

                            }

                        }

                    }

                }

                VideoBooks = temp;

            }

            if(SearchTag)

            {

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

                foreach (VideoBook Book in _videoBooks)

                {

                    foreach (VideoChapter Chapter in Book.Chapters)

                    {

                        foreach (Annotation Annotation in Chapter.Annotations)

                        {

                            if (Annotation.Tags.Contains(_searchWord))

                            {

                                temp.Add(Book);

                            }

                        }

                        foreach (SegmentIndex Segment in Chapter.Index)

                        {

                            if (Segment.Tags.Contains(_searchWord))

                            {

                                temp.Add(Book);

                            }

                        }

                    }

                }

                VideoBooks = temp;

            }

        }

    }

}