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.Windows.Data;

using SLExtensions.Input;

using Iri.Modernisation.BaseMVVM.Commands;

using Iri.Modernisation.Data.Models;

using System.Collections.Generic;

using System.Linq;

using Iri.Modernisation.Controls.View;

namespace Iri.Modernisation.Controls.ViewModel

{

    /// <summary>

    /// ViewModel du module d'annotation

    /// </summary>

    public class AnnotationMakerVM : BaseMVVM.ViewModel.ViewModel

    {

        /// <summary>

        /// Element référent

        /// </summary>

        private PolemicElement _refElement;

        public PolemicElement RefElement

        {

            get

            {

                return _refElement;

            }

            set

            {

                _refElement = value;

                _newAnnotation = new Annotation(((PolemicElement)value).Chapter);

                Begin = ((PolemicElement)value).TimerIn.TotalMilliseconds;

                End = ((PolemicElement)value).TimerOut.TotalMilliseconds;

                BasicRelation = new PolemicLink() { FromElement = ((PolemicElement)value), ToElement = _newAnnotation, Type = PolemicElementType.Basic };

                PolemicRelation = new PolemicLink();

                PolemicRelation.FromElement = _newAnnotation;

                OnPropertyChanged(String.Empty);

                //OnPropertyChanged("RefElement");

                //OnPropertyChanged("IsControlEnable");

            }

        }

        /// <summary>

        /// Savoir si le module de liens est activé

        /// </summary>

        public bool IsBinderActive { get; set; }

        public List<String> RefTags

        {

            get

            {

                if (_refElement != null)

                {

                    return _refElement.Tags;

                }

                else

                {

                    return new List<String>();

                }

            }

        }

        /// <summary>

        /// Annotation créé

        /// </summary>

        private Annotation _newAnnotation;

        /// <summary>

        /// Temps de début de l'annotation

        /// </summary>

        private TimeSpan _begin;

        public double Begin 

        {

            get

            {

                return _begin.TotalMilliseconds;

            }

            set

            {

                _begin = TimeSpan.FromMilliseconds(value);

                _newAnnotation.TimerIn = TimeSpan.FromMilliseconds(value);

                OnPropertyChanged("Begin");

            }

        }

        /// <summary>

        /// Temps de fin de l'annotation

        /// </summary>

        private TimeSpan _end;

        public double End

        {

            get

            {

                return _end.TotalMilliseconds;

            }

            set

            {

                _end = TimeSpan.FromMilliseconds(value);

                _newAnnotation.TimerOut = TimeSpan.FromMilliseconds(value);

                OnPropertyChanged("End");

            }

        }

        /// <summary>

        /// Type de l'annotation

        /// </summary>

        private PolemicElementType _type;

        public PolemicElementType Type 

        {

            get

            {

                return _type;

            }

            set

            {

                _type = value;

                _newAnnotation.Type = value;

                OnPropertyChanged("Type");

            }

        }

        /// <summary>

        /// Convertion Rectange

        /// </summary>

        private Rectangle _selectedType;

        public Rectangle SelectedType

        {

            get

            {

                return _selectedType;

            }

            set

            {

                _selectedType = value;

                Type = (PolemicElementType)((Rectangle)_selectedType).Resources["PolemicType"];

            }

        }

        /// <summary>

        /// Titre de l'annotation

        /// </summary>

        private String _title;

        public String Title

        {

            get

            { return _title; }

            set

            {

                _title = value;

                _newAnnotation.Title = value;

                OnPropertyChanged("Title");

            }

        }

        /// <summary>

        /// Description de l'annotation

        /// </summary>

        private String _description;

        public String Description

        {

            get

            {

                return _description;

            }

            set

            {

                _description = value;

                _newAnnotation.Description = value;

                OnPropertyChanged("Description");

            }

        }

        /// <summary>

        /// Tags de l'annotation

        /// </summary>

        public List<String> _tags =new List<String>();

        public String Tags

        {

            get

            {

                try

                {

                    return String.Join(",", _tags.ToArray());

                }

                catch 

                {

                    return String.Empty;

                }

            }

            set

            {

                String val = (String)value;

                _tags = val.Split(',').ToList();

                _newAnnotation.Tags = val.Split(',').ToList();

                OnPropertyChanged("Tags");

            }

        }

        /// <summary>

        /// Relation basique

        /// </summary>

        private PolemicLink _basicRelation;

        public PolemicLink BasicRelation

        {

            get

            {

                return _basicRelation;

            }

            set

            {

                _basicRelation = value;

                OnPropertyChanged("BasicRelation");

            }

        }

        /// <summary>

        /// Relation polémique

        /// </summary>

        private PolemicLink _polemicRelation;

        public PolemicLink PolemicRelation

        {

            get

            {

                return _polemicRelation;

            }

            set

            {

                _polemicRelation = value;

                OnPropertyChanged("PolemicRelation");

            }

        }

        /// <summary>

        /// Détermine si le control est activé ou non

        /// </summary>

        public bool IsControlEnable

        {

            get

            {

                return _refElement != null;

            }

        }

        /// <summary>

        /// Permet d'initialiser les commands;

        /// </summary>

        private void InitializeCommands()

        {

            Commands.ContextualBinderLayer.BeginBind.Executed += new EventHandler<ExecutedEventArgs>(BeginBind_Executed);

            Commands.ContextualBinderLayer.SelectBind.Executed += new EventHandler<ExecutedEventArgs>(SelectBind_Executed);

            Commands.ContextualBinderLayer.ActiveBind.Executed += new EventHandler<ExecutedEventArgs>(ActiveBind_Executed);

            Commands.ContextualBinderLayer.DesactiveBind.Executed += new EventHandler<ExecutedEventArgs>(DesactiveBind_Executed);

            Commands.AnnotationMaker.OkClick.Executed += new EventHandler<ExecutedEventArgs>(OkClickAnnotationMaker_Executed);

        }

        void DesactiveBind_Executed(object sender, ExecutedEventArgs e)

        {

            IsBinderActive = false;

        }

        void ActiveBind_Executed(object sender, ExecutedEventArgs e)

        {

            IsBinderActive = true;

        }

        void SelectBind_Executed(object sender, ExecutedEventArgs e)

        {

            if (IsControlEnable && IsBinderActive )

            {

                PolemicRelation.ToElement = (PolemicElement)e.Source;

                OnPropertyChanged("PolemicRelation");

            }

        }

        void BeginBind_Executed(object sender, ExecutedEventArgs e)

        {

            if (IsControlEnable)

            {

                PolemicRelation.Type = ((ContextualLinkBinder)e.Parameter).PolemicType;

                PolemicRelation.ToElement = null;

                OnPropertyChanged("PolemicRelation");

            }

        }

        void OkClickAnnotationMaker_Executed(object sender, ExecutedEventArgs e)

        {

            String message = "Ok clicked "+Type+" \n";

            message += _begin + "-->" + _end;

            message += "\n" + Title;

            message += "\n" + Description;

                foreach (string tag in _tags)

                {

                    message += "\n|-" + tag;

                }

                message += "PolemicLink "+PolemicRelation.Type;

            MessageBox.Show(message);

        }

        /// <summary>

        /// Constructeur par défaut

        /// </summary>

        public AnnotationMakerVM()

        {

            InitializeCommands();

        }

        /// <summary>

        /// Constructeur par référence

        /// </summary>

        /// <param name="refAParam">Element référant</param>

        public AnnotationMakerVM(PolemicElement refAParam)

        {

            RefElement = refAParam;

            _newAnnotation = new Annotation(RefElement.Chapter);

            _begin = RefElement.TimerIn;

            _end = RefElement.TimerOut;

            _basicRelation = new PolemicLink() { FromElement = RefElement, ToElement = _newAnnotation, Type = PolemicElementType.Basic };

            _polemicRelation = new PolemicLink();

            PolemicRelation.FromElement = _newAnnotation;

            InitializeCommands();

        }

    }

}