using System.Drawing;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using file_finder__test;
using ShadowStream;
using ShadowStream.LogHelper;
using ShadowStream.Obejeckte;
using System.IO;
using System.Threading;
using ShadowStream.ObjecktForJason;
using TagLib;
using ShadowStream.Modules;
using ShadowStream.ObjecktForJason;
using LibVLCSharp.Shared;
using Brushes = System.Windows.Media.Brushes;
using Color = System.Windows.Media.Color;
using File = System.IO.File;
using Image = System.Drawing.Image;
using Path = System.IO.Path;


namespace ModuleManager;

/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
//Quinn and Reda and Yazan
public partial class MainWindow : Window
{   //quinn
    #region no dont cahnge

    //adding base components used threw out the code
        private static LogHelper loghelper = new LogHelper();
        LogWindow logWin = new LogWindow(loghelper.GetEntries());
        LogHelper log = new LogHelper();
        
        private Catagory Muvie = new Catagory("Muvie");
        private Catagory Serie = new Catagory("Serie");
        private Catagory Music = new Catagory("Music");
        private Catagory Photo = new Catagory("Photos");
        
        List<string> suportedVidioFiles = new List<string>();
        List<string> suportedMusicFiles = new List<string>();
        List<string> suportedPhotoFiles = new List<string>();
        
        //root directory
        List<string> dirs = new List<string>();
        private int option =2;
        int specificOption = 0;
        string rootPath = "F:/";
        
        FileScanner fileScanner;

    #endregion

    //Quinn
    #region vlc logic

    private LibVLC _libVLC;
    private LibVLCSharp.Shared.MediaPlayer _mediaPlayer;

    #endregion
    //code start
    public MainWindow()
    {
        #region Init wpf

        InitializeComponent();
        //Initialise but Hide
        logWin.Hide();
        //this.Hide();
        
        
        //Begin Login Process
        var login = new LogIn();
        login.Show();

        #endregion

        //Quinn Dont change or remuve!!!
        #region vlc init

        Core.Initialize(); // Important: load native libvlc binaries

        _libVLC = new LibVLC();
        _mediaPlayer = new LibVLCSharp.Shared.MediaPlayer(_libVLC);

        VideoView.MediaPlayer = _mediaPlayer;

        #endregion
        
        #region only exdend. no remuving of code

        //adding all extensions... example values added
        suportedVidioFiles.Add(".mp4");
        suportedVidioFiles.Add(".mkv");
        suportedMusicFiles.Add(".wav");
        suportedMusicFiles.Add(".mp3");
        suportedPhotoFiles.Add(".jpg");
        Createscan();
        //dirs.Add("C:/");
        
        //execute and wait for task completion
        var tmp = fileScanner.ScanAllDrivesAsync();
        
        //load json parallel to finding drives
        //add code laiter
        
        tmp.Wait();
        foreach (var VARIABLE in tmp.Result)
        {
            dirs.Add(VARIABLE);
        }

        #endregion

        LoadSavedData();

    }
    //Quinn
    #region dont change
    //reminder to self. if issue acures. check if anyone changed folder names

    #region ScannLogic

    void Createscan()
    {
        //adding all string arrays to one temp array to do the initial scan of the designated drive
        int count = 0;
        string[] tmp = new string[suportedMusicFiles.Count + suportedVidioFiles.Count + suportedPhotoFiles.Count];
        foreach (var suportedVidioFile in suportedVidioFiles)
        {
            tmp[count] = suportedVidioFile;
            count++;
        }

        foreach (var suportedMusicFile in suportedMusicFiles)
        {
            tmp[count] = suportedMusicFile;
            count++;
        }
        
        foreach (var suportedPhotoFile in suportedPhotoFiles)
        {
            tmp[count] = suportedPhotoFile;
            count++;
        }
        //initialise the file scanner with all files endings wanted
        fileScanner = new FileScanner(tmp); 
    }
    
        
    #endregion
    
    #region Click Methods

        private void OnItemPlayButtonClick(object sender, RoutedEventArgs e)
        {
            if (sender is Button btn && btn.Tag is string filePath)
            {
                if (filePath.EndsWith(".jpg") || filePath.EndsWith(".png"))
                {
                    ShowImageWithVLC(filePath); // you'd implement this
                }
                else
                {
                    PlayVideo(filePath);
                }
            }
        }

        private void Close_Player(object sender, RoutedEventArgs e)
        {
            _mediaPlayer.Stop();
            VideoView.Visibility = Visibility.Collapsed;
        }
    
        void Video_Click(object sender, RoutedEventArgs e)
        {
            PlayVideo(@"F:\Rio.mp4");
        }
        private async void scanButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                Muvie.clear();
                Serie.clear();
                Music.clear();
                Photo.clear();
                log.Log("Scanning files...");
                List<string> tmp = new List<string>();
                switch (option)
                {
                    case 0:
                        foreach (var VARIABLE in dirs)
                        {
                            foreach (var tmp2 in await fileScanner.ScanDriveParallel(VARIABLE))
                            {
                                tmp.Add(tmp2);
                            }
                        }
                        break;
                    case 1:
                        foreach (var VARIABLE in await fileScanner.ScanDriveParallel(dirs[specificOption]))
                        {
                            tmp.Add(VARIABLE);
                        }
                        break;
                    case 2:
                        foreach (var VARIABLE in await fileScanner.ScanDriveParallel(rootPath))
                        {
                            tmp.Add(VARIABLE);
                        }
                        break;
                }
                log.Log($"Total scanned files: {tmp.Count}");
            
                var classifier = new FileClassifier();
                var (musicFiles, videoFiles, photoFiles) = await classifier.ClassifyFilesAsync(tmp, suportedMusicFiles, suportedVidioFiles, suportedPhotoFiles);
            
                var separator = new VideoSeparator();
                var (series, movies) = await separator.SeparateVideosAsync(videoFiles);
            
            
                log.Log($"musicFiles count: {musicFiles.Count}");
                log.Log($"videoFiles count: {videoFiles.Count}");
                log.Log($"photoFiles count: {photoFiles.Count}");
                log.Log($"series count: {series.Count}");
                log.Log($"movies count: {movies.Count}");
            
                
                videoFiles = null;

                log.Log("files sorted");

                // Prepare JSON lists
                List<locJason> muviesJS = new List<locJason>();
                List<locJason> seriesJS = new List<locJason>();
                List<locJason> photosJS = new List<locJason>();
                List<locJason> mucicJS = new List<locJason>();

                JasonToString jasonToString = new JasonToString();

                foreach (var VARIABLE in ItemCreater(movies, "Muvie", false))
                {
                    Muvie.addItem(VARIABLE);
                    muviesJS.Add(new locJason
                    {
                        path = VARIABLE.getLink(),
                        imageData = jasonToString.BitmapToBase64String(BitmapConversions.BitmapImageToBitmap(VARIABLE.getImage())),
                        type = VARIABLE.getType()
                    });
                }
                foreach (var VARIABLE in ItemCreater(series, "Serie", false))
                {
                    Serie.addItem(VARIABLE);
                    seriesJS.Add(new locJason
                    {
                        path = VARIABLE.getLink(),
                        imageData = jasonToString.BitmapToBase64String(BitmapConversions.BitmapImageToBitmap(VARIABLE.getImage())),
                        type = VARIABLE.getType()
                    });
                }
                foreach (var VARIABLE in ItemCreater(photoFiles, "Photo", true))
                {
                    Photo.addItem(VARIABLE);
                    photosJS.Add(new locJason
                    {
                        path = VARIABLE.getLink(),
                        imageData = jasonToString.BitmapToBase64String(BitmapConversions.BitmapImageToBitmap(VARIABLE.getImage())),
                        type = VARIABLE.getType()
                    });
                }
                foreach (var VARIABLE in ItemCreater(musicFiles, "Music", false, true))
                {
                    Music.addItem(VARIABLE);
                    mucicJS.Add(new locJason
                    {
                        path = VARIABLE.getLink(),
                        imageData = jasonToString.BitmapToBase64String(BitmapConversions.BitmapImageToBitmap(VARIABLE.getImage())),
                        type = VARIABLE.getType()
                    });
                }
            
           


                log.Log("scan finished");

                Jason_Writer jason_Writer = new Jason_Writer();
                List<Task> tasks = new List<Task>
                {
                    jason_Writer.SaveList("Muvies", muviesJS),
                    jason_Writer.SaveList("Series", seriesJS),
                    jason_Writer.SaveList("Photos", photosJS),
                    jason_Writer.SaveList("Music", mucicJS)
                };

                await Task.WhenAll(tasks);
                mucicJS = null;
                seriesJS = null;
                photosJS = null;
                MenueItems();
                MessageBox.Show("Scan finished");
            }
            catch (Exception ex)
            {
                MessageBox.Show($"An error occurred during scanning:\n\n{ex.ToString()}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
                log.Error($"An error occurred during scanning:\n\n{ex.ToString()}");
            }
        }

    #endregion
            
    #region itemCreation

    List<Item> ItemCreater(List<string> path, string type,bool isFoto)
    {
        List<Item> items = new List<Item>();
        
        foreach (var VARIABLE in path)
        {
            BitmapImage frame200;
            if(!isFoto)
                frame200 = VideoFrameExtractor.GetFrame200(VARIABLE);
            else
            { 
                frame200  = new BitmapImage(new Uri(VARIABLE, UriKind.Absolute));
            }
            items.Add(new Item(VARIABLE, type,frame200, isFoto,OnItemPlayButtonClick));
        }

        return items;
    }
    
    List<Item> ItemCreater(List<string> paths, string type, bool isFoto, bool Music)
    {
        List<Item> items = new List<Item>();

        string baseDir = AppDomain.CurrentDomain.BaseDirectory;
        string imagePath = Path.Combine(baseDir,"Resources", "Pics", "MusicD.jpeg");

        BitmapImage defaultImage;

        if (File.Exists(imagePath))
        {
            defaultImage = new BitmapImage(new Uri(imagePath));
            defaultImage.Freeze();
        }
        else
        {
            //this case schould never be called. its to prevent code from breaking because of unautorised muving of musicD!!
            MessageBox.Show($"Default image not found at: {imagePath}");

            // Create a blank 100x100 transparent BitmapImage fallback
            int width = 100;
            int height = 100;
            int dpi = 96;
            var pixelFormat = PixelFormats.Pbgra32;
            int rawStride = (width * pixelFormat.BitsPerPixel + 7) / 8;
            byte[] rawImage = new byte[rawStride * height]; // all zero = transparent

            var bitmap = BitmapSource.Create(width, height, dpi, dpi, pixelFormat, null, rawImage, rawStride);
            bitmap.Freeze();

            defaultImage = new BitmapImage();
            defaultImage = null;
        }

        foreach (var filePath in paths)
        {
            BitmapImage bitmapImage = defaultImage;

            try
            {
                var file = TagLib.File.Create(filePath);
                if (file.Tag.Pictures.Length > 0)
                {
                    var pic = file.Tag.Pictures[0];
                    using (var ms = new MemoryStream(pic.Data.Data))
                    {
                        var img = new BitmapImage();
                        img.BeginInit();
                        img.CacheOption = BitmapCacheOption.OnLoad;
                        img.StreamSource = ms;
                        img.EndInit();
                        img.Freeze();

                        bitmapImage = img;
                    }
                }
            }
            catch
            {
                // keep defaultImage if anything fails
            }

            items.Add(new Item(filePath, type, bitmapImage, isFoto,OnItemPlayButtonClick));
        }

        return items;
    }

    #endregion
    
    #region Comunication
    public void ReciveErrorLog(string logMessage)
    {
        log.Error(logMessage);
    }
    public void PlayVideo(string filePath)
    {   
        if(suportedVidioFiles.Contains(Path.GetExtension(filePath)))
            VideoView.Visibility = Visibility.Visible;
        var media = new Media(_libVLC, filePath, FromType.FromPath);
        _mediaPlayer.Play(media);
    }
    
    public void ShowImageWithVLC(string filePath)
    {
        if (File.Exists(filePath))
        {
            VideoView.Visibility = Visibility.Visible;
            var media = new Media(_libVLC, filePath, FromType.FromPath);
            _mediaPlayer.Play(media);
        }
    }
    
    

    #endregion
    
    #endregion

    #region HomeMenue

    void MenueItems()
    {
        PopulatePanelWithItems(Muvie.getAllItems(), Muvies_Home);
        PopulatePanelWithItems(Serie.getAllItems(), Series_Home);
        PopulatePanelWithItems(Photo.getAllItems(), Photos_Home);
        PopulatePanelWithItems(Music.getAllItems(), Music_Home);
    }
    #endregion

    #region PanelPop
    
        private void PopulatePanelWithItems(List<Item> items, Panel targetPanel)
{
    targetPanel.Children.Clear();

    foreach (var item in items)
    {
        var name = item.getName();
        var image = item.getImage();
        var isFoto = item.getType() == "Photo";
        var path = item.getLink();
        var buttonText = isFoto ? "Show" : "Play";

        if (image == null)
            continue; // Skip if image is not available

        // Container for stacking label, image, and button
        var container = new Grid
        {
            Width = 150,
            Height = 120,
            Margin = new Thickness(5)
        };

        // Define rows for layout
        container.RowDefinitions.Add(new RowDefinition { Height = new GridLength(1, GridUnitType.Star) }); // Image
        container.RowDefinitions.Add(new RowDefinition { Height = new GridLength(30) }); // Button

        // Image
        var imgControl = new System.Windows.Controls.Image
        {
            Source = image,
            Width = 150,
            Height = 90,
            Stretch = Stretch.UniformToFill
        };

        Grid.SetRow(imgControl, 0);
        container.Children.Add(imgControl);

        // Label (overlays top-left, optional)
        var label = new Label
        {
            Content = name,
            HorizontalAlignment = HorizontalAlignment.Left,
            VerticalAlignment = VerticalAlignment.Top,
            Background = new SolidColorBrush(Color.FromArgb(180, 0, 0, 0)),
            Foreground = Brushes.White,
            Padding = new Thickness(4),
            FontSize = 12
        };
        Grid.SetRow(label, 0);
        container.Children.Add(label);

        // Button
        var btn = new Button
        {
            Content = buttonText,
            Height = 25,
            Width = 140,
            HorizontalAlignment = HorizontalAlignment.Center,
            VerticalAlignment = VerticalAlignment.Center,
            Margin = new Thickness(0, 0, 0, 5)
        };
        btn.Click += (s, e) => PlayVideo(path);
        Grid.SetRow(btn, 1);
        container.Children.Add(btn);

        // Add to target UI panel
        targetPanel.Children.Add(container);
    }
}

    
        #endregion

    #region load saved data

        private async void LoadSavedData()
        {
            try
            {
                Jason_Writer jason_Writer = new Jason_Writer(); // Use default "Temp Data" folder
                JasonToString jasonToString = new JasonToString();

                var muvies = await jason_Writer.LoadListAsync("Muvies");
                var series = await jason_Writer.LoadListAsync("Series");
                var photos = await jason_Writer.LoadListAsync("Photos");
                var music = await jason_Writer.LoadListAsync("Music");

                List<Item> MuvieItems = CreateItemsFromJson(muvies);
                List<Item> SerieItems = CreateItemsFromJson(series);
                List<Item> PhotoItems = CreateItemsFromJson(photos, isPhoto: true);
                List<Item> MusicItems = CreateItemsFromJson(music, isPhoto: false, isMusic: true);

                Muvie.addItems(MuvieItems);
                Serie.addItems(SerieItems);
                Photo.addItems(PhotoItems);
                Music.addItems(MusicItems);

                MenueItems(); // Re-populate the UI

                log.Log("Loaded saved data from JSON.");
            }
            catch (Exception ex)
            {
                MessageBox.Show($"Failed to load saved data:\n{ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
                log.Error($"LoadSavedData error: {ex}");
            }
        }
        private List<Item> CreateItemsFromJson(List<locJason> jsonItems)
        {
            return CreateItemsFromJson(jsonItems, isPhoto: false, isMusic: false);
        }

        private List<Item> CreateItemsFromJson(List<locJason> jsonItems, bool isPhoto)
        {
            return CreateItemsFromJson(jsonItems, isPhoto, isMusic: false);
        }

        private List<Item> CreateItemsFromJson(List<locJason> jsonItems, bool isPhoto, bool isMusic)
        {
            List<Item> items = new List<Item>();
            JasonToString jasonToString = new JasonToString();

            foreach (var loc in jsonItems)
            {
                BitmapImage bitmapImage = null;

                try
                {
                    if (!string.IsNullOrEmpty(loc.imageData))
                    {
                        bitmapImage = BitmapConversions.BitmapToBitmapImage(
                            jasonToString.Base64StringToBitmap(loc.imageData)
                        );
                    }
                    else if (isMusic)
                    {
                        string defaultImagePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Resources", "Pics", "MusicD.jpeg");
                        if (File.Exists(defaultImagePath))
                        {
                            bitmapImage = new BitmapImage(new Uri(defaultImagePath));
                            bitmapImage.Freeze();
                        }
                    }
                    else if (isPhoto && File.Exists(loc.path))
                    {
                        bitmapImage = new BitmapImage(new Uri(loc.path));
                        bitmapImage.Freeze();
                    }
                }
                catch
                {
                    // Handle any corrupt or missing image cases
                }

                items.Add(new Item(loc.path, loc.type, bitmapImage, isPhoto, OnItemPlayButtonClick));
            }

            return items;
        }





        #endregion
    
}