using System;

using System.IO;

using System.Net;

using System.Collections.Generic;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Media;

using System.Windows.Media.Animation;

using System.Windows.Navigation;

using System.Xml.Linq;

using FingersDance.Control.ListVideo;

using FingersDance.Control.SessionInput;

using FingersDance.ViewModels;

using FingersDance.Data;

namespace FingersDance.Control.Screen

{

	public partial class UserControlScreen

	{

        public String contexteGrid;

        public int id = 0;

        public event EventHandler UC_Screen_NewCutting;

        private MainViewModel _mainViewModel;

        public Cutting Cutting;

        private String videoName;

        private String videoPath;

        User User = new User();

        public UserControlScreen(int id, MainViewModel mvmodel)

        {

            try

            {

                this.InitializeComponent();

                this.id = id;

                User.Name = "User " + id;

                _mainViewModel = mvmodel;

                if (_mainViewModel.Project.VideoPath.Equals(""))

                {

                    //1-Creation de la ListVideo

                    UserControlListVideo ListVideo = new UserControlListVideo();

                    ListVideo.Name = "ListVideo1";

                    //2-Ajout de la ListVideo au ControlScreen

                    this.AddToGrid(ListVideo);

                    //3-Creation des Events pour chaque item de la video

                    ListVideo.EH_ItemVideo1_ContactDown += new System.EventHandler(ListVideo_EH_ItemVideo_ContactDown);

                }

                else

                    OpenProject();

            }

            catch (Exception)

            {

                Cutting = null;

                if (UC_Screen_NewCutting != null)

                    UC_Screen_NewCutting(this, new EventArgs());

            }

        }

        //Rajout un UIElement vers la grid du screen.

        public void AddToGrid(UIElement uie)

        {

            if (uie != null)

            {

                try { LayoutRoot.Children.Add(uie); }

                catch(Exception){}

            }          

        }

        private void ListVideo_EH_ItemVideo_ContactDown(object sender, EventArgs e)

        {

            try

            {

                //1 renseigner la video choisie au screen et créer un nouveau projet à partir de ce chemin vidéo

                videoName = ((UserControlListVideo)sender).VideoName;

                videoPath = ((UserControlListVideo)sender).path;

                _mainViewModel.CreateProject(videoName, videoPath);

                //2-Supression du UC List Video

                LayoutRoot.Children.Remove((UserControlListVideo)sender);

                OpenProjectList();

            }

            catch (Exception ex)

            {

                Cutting = null;

                if (UC_Screen_NewCutting != null)

                    UC_Screen_NewCutting(this, new EventArgs());

            }

        }

        private void OpenProjectList()

        {

            try

            {

                // We get all the ldt/project files from the current directory...

                List<String> existingProjects = new List<String>();

                foreach (String filename in Directory.GetFiles("./"))

                {

                    if (filename.Substring(filename.Length-4).ToLower()==".ldt")

                        existingProjects.Add(filename.Substring(2, filename.Length - 6));

                }

                // ... and display them the the select box UserControlListProject

                UserControlListProject listProject = new UserControlListProject(existingProjects);

                listProject.Name = "ListProject";

                LayoutRoot.Children.Add(listProject);

                listProject.EH_ListProject_ContactDown += new EventHandler(listProject_EH_ListProject_ContactDown);

            }

            catch (Exception)

            {

                Cutting = null;

                if (UC_Screen_NewCutting != null)

                    UC_Screen_NewCutting(this, new EventArgs());

            }

        }

        void listProject_EH_ListProject_ContactDown(object sender, EventArgs e)

        {

            try

            {

                LayoutRoot.Children.Remove((UserControlListProject)sender);

                if (((UserControlListProject)sender).SelectedItem.Equals("New Project"))

                {

                    UserControlNewProjectForm ProjectInput = new UserControlNewProjectForm();

                    ProjectInput.Name = "ProjectInput";

                    LayoutRoot.Children.Add(ProjectInput);

                    ProjectInput.EH_NewProjectForm_ContactDown += new System.EventHandler(this.ProjectInput_EH_NewProjectForm_ContactDown);

                }

                else

                {

                    // ((UserControlListProject)sender).SelectedItem is the name of the selected project

                    // Now we load the xml/ldt file to load all its datas (cuttings, annotations...)

                    XDocument loadedLdt = XDocument.Load(((UserControlListProject)sender).SelectedItem + ".ldt");

                    Project loadedProject = new Project(videoName, videoPath);

                    loadedProject.Name = loadedLdt.Root.Element("project").Attribute("title").Value;

                    loadedProject.Description = loadedLdt.Root.Element("project").Attribute("abstract").Value;

                    loadedProject.Cuttings = new List<Cutting>();

                    XElement cuttingsParentNode = loadedLdt.Root.Element("annotations").Element("content");

                    foreach (XElement cuttingNode in cuttingsParentNode.Elements())

                    {

                        List<Annotation> la = new List<Annotation>();

                        foreach (XElement annotNode in cuttingNode.Element("elements").Elements())

                        {

                            String aId = annotNode.Attribute("id").Value;

                            float begin = (float)annotNode.Attribute("begin");

                            float dur = (float)annotNode.Attribute("dur");

                            String gt = annotNode.Element("gestureType").Value;

                            String colorString = annotNode.Attribute("color").Value; // is type 0xRRGGBB

                            Byte r = Convert.ToByte(colorString.Substring(2, 2), 16);

                            Byte g = Convert.ToByte(colorString.Substring(4, 2), 16);

                            Byte b = Convert.ToByte(colorString.Substring(6, 2), 16);

                            Color c = Color.FromRgb(r, g, b);

                            la.Add(new Annotation(aId, begin, dur, gt, c));

                        }

                        loadedProject.Cuttings.Add(new Cutting(cuttingNode.Attribute("id").Value,cuttingNode.Element("title").Value,la));

                    }

                    // We define the loaded project as the current session's project.

                    _mainViewModel.Project = new ProjectViewModel(loadedProject);

                    OpenProject();

                }

            }

            catch (Exception)

            {

                Cutting = null;

                if (UC_Screen_NewCutting != null)

                    UC_Screen_NewCutting(this, new EventArgs());

            }

        }

        private void ProjectInput_EH_NewProjectForm_ContactDown(object sender, EventArgs e)

        {

            try

            {

                //MainViewModel.Project.Alias = ((UserControlNewProjectForm)sender).Alias;

                //MainViewModel.Project.Email = ((UserControlNewProjectForm)sender).Email;

                _mainViewModel.Project.Description = ((UserControlNewProjectForm)sender).Description;

                _mainViewModel.Project.Name = ((UserControlNewProjectForm)sender).ProjectName.Trim();

                //2-Suppression UCSession Input

                LayoutRoot.Children.Remove((UserControlNewProjectForm)sender);

                OpenProject();

            }

            catch (Exception ex) 

            {

                Cutting = null;

                if (UC_Screen_NewCutting != null)

                    UC_Screen_NewCutting(this, new EventArgs());

            }

        }

        private void OpenProject()

        {

            try

            {

                // We display the list of cuttings available for the current project

                UserControlListCutting listCuttings = new UserControlListCutting(_mainViewModel.Project.CuttingsDict);

                listCuttings.Name = "listCuttings";

                LayoutRoot.Children.Add(listCuttings);

                listCuttings.EH_Item_ContactDown += new EventHandler(listCuttings_EH_Item_ContactDown);

            }

            catch (Exception) 

            {

                Cutting = null;

                if (UC_Screen_NewCutting != null)

                    UC_Screen_NewCutting(this, new EventArgs());

            }

        }

        void listCuttings_EH_Item_ContactDown(object sender, EventArgs e)

        {

            try

            {

                LayoutRoot.Children.Remove((UserControlListCutting)sender);

                if (((UserControlListCutting)sender).SelectedItem.Equals("New Cutting"))

                {

                    // "New Uutting" was was selected -> we display the form

                    UserControlNewCuttingForm newCutting = new UserControlNewCuttingForm(User);

                    newCutting.Name = "newCutting";

                    LayoutRoot.Children.Add(newCutting);

                    newCutting.EH_NewCuttingForm_ContactDown += new EventHandler(newCutting_EH_ContactDown);

                }

                else

                {

                    // An already existing project was clicked -> we load the selected project from the dictionnary

                    Cutting = _mainViewModel.Project.CuttingsDict[((UserControlListCutting)sender).SelectedItem];

                    if (UC_Screen_NewCutting != null)

                        UC_Screen_NewCutting(this, new EventArgs());

                    return;

                }

            }

            catch (Exception)

            {

                Cutting = null;

                if (UC_Screen_NewCutting != null)

                    UC_Screen_NewCutting(this, new EventArgs());

            }

        }

        void newCutting_EH_ContactDown(object sender, EventArgs e)

        {

            try

            {

                LayoutRoot.Children.Remove((UserControlNewCuttingForm)sender);

                // The new cutting form sent the cutting instance so we can dispatch the event UC_Screen_NewCutting

                Cutting = ((UserControlNewCuttingForm)sender).Cutting;

                if (UC_Screen_NewCutting != null)

                    UC_Screen_NewCutting(this, new EventArgs());

            }

            catch (Exception)

            {

                Cutting = null;

                if (UC_Screen_NewCutting != null)

                    UC_Screen_NewCutting(this, new EventArgs());

            }

        }

	}

}