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;


namespace ModuleManager;

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

    //adding base components used threw out the code
        private static LogHelper loghelper = new LogHelper();
        LogWindow log = new LogWindow(loghelper.GetEntries());
        
        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


    #region vlc logic

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

    #endregion
    //code start
    public MainWindow()
    {
        InitializeComponent();
        //Initialise but Hide
        log.Hide();
        
        //this.Hide();


        #region vlc init

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

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

        VideoView.MediaPlayer = _mediaPlayer;

        #endregion
        
        
        //Begin Login Process
        var login = new LogIn();
        login.Show();

        #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
        

    }

    #region dont change

    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); 
    }
    
    
    //btn logic

    //example logoc to start vidio
    /*void Video_Click(object sender, RoutedEventArgs e)
    {
        PlayVideo(@"F:\Rio.mp4");
    }*/
    public void PlayVideo(string filePath)
    {
        VideoView.Visibility = Visibility.Visible;

        var media = new Media(_libVLC, filePath, FromType.FromPath);
        _mediaPlayer.Play(media);
    }
    
    
    
    
    private async void scanButton_Click(object sender, RoutedEventArgs e)
{
    try
    {
        MessageBox.Show("scanning...");
        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;
        }
        Console.WriteLine($"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);
        
        
        Console.WriteLine($"musicFiles count: {musicFiles.Count}");
        Console.WriteLine($"videoFiles count: {videoFiles.Count}");
        Console.WriteLine($"photoFiles count: {photoFiles.Count}");
        Console.WriteLine($"series count: {series.Count}");
        Console.WriteLine($"movies count: {movies.Count}");
        
        
        videoFiles = null;

        MessageBox.Show("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(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(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(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(BitmapImageToBitmap(VARIABLE.getImage())),
                type = VARIABLE.getType()
            });
        }
        
       


        MessageBox.Show("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);
    }
    catch (Exception ex)
    {
        MessageBox.Show($"An error occurred during scanning:\n\n{ex.ToString()}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
        Console.WriteLine($"An error occurred during scanning:\n\n{ex.ToString()}", "Error");
    }
}


    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));
        }

        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 = System.IO.Path.Combine(baseDir, "Pics", "MusicD.jpeg");

    BitmapImage defaultImage;

    if (System.IO.File.Exists(imagePath))
    {
        defaultImage = new BitmapImage(new Uri(imagePath));
        defaultImage.Freeze();
    }
    else
    {
        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 = System.Windows.Media.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();
        // Can't cast BitmapSource directly to BitmapImage,
        // so let's use BitmapSource type instead in Item if possible
        // Otherwise, fallback to null or a resource image.
        // For now, assign null or handle in your Item class.
        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));
    }

    return items;
}

    public static BitmapImage ConvertBitmapToBitmapImage(System.Drawing.Bitmap bitmap)
    {
        using (var memory = new System.IO.MemoryStream())
        {
            bitmap.Save(memory, System.Drawing.Imaging.ImageFormat.Png);
            memory.Position = 0;

            var bitmapImage = new BitmapImage();
            bitmapImage.BeginInit();
            bitmapImage.StreamSource = memory;
            bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
            bitmapImage.EndInit();
            bitmapImage.Freeze(); // Optional: for thread safety

            return bitmapImage;
        }
    }
    public static Bitmap BitmapImageToBitmap(BitmapImage bitmapImage)
    {
        using (MemoryStream ms = new MemoryStream())
        {
            // Encode BitmapImage to stream (e.g., PNG)
            BitmapEncoder encoder = new PngBitmapEncoder();
            encoder.Frames.Add(BitmapFrame.Create(bitmapImage));
            encoder.Save(ms);

            ms.Seek(0, SeekOrigin.Begin); // Reset stream position

            // Create Bitmap from stream
            return new Bitmap(ms);
        }
    }

    
    //scan logic

    #endregion
    
}