using RyzStudio.Windows.Forms;
using System;
using System.Drawing;
using System.IO;
using System.Windows.Forms;

namespace RandomFileRunner
{
    public partial class MainForm : Form
    {
        protected readonly Random randy;

        protected OptionsForm optionsForm = null;
        protected bool isBusy = false;

        protected string videoFilename = null;
        protected TimeSpan videoDuration = TimeSpan.FromSeconds(0);


        public MainForm()
        {
            InitializeComponent();

            randy = new Random();

            //textBox1.InnerTextBox.ReadOnly = true;
            //textBox1.InnerTextBox.BackColor = Color.White;
            //textBox1.InnerTextBox.TextChanged += textBox1_TextChanged;

        }

        protected override void OnFormClosing(FormClosingEventArgs e)
        {
            if (this.IsBusy)
            {
                e.Cancel = true;
                return;
            }

            base.OnFormClosing(e);
        }


        public bool IsBusy
        {
            get => isBusy;
            set
            {
                isBusy = value;

                ThreadControl.SetValue(pictureBox1, (isBusy ? AppResource.loading_block : null));
                //ThreadControl.SetEnable(textBox1, !isBusy);
                ThreadControl.SetEnable(button1, !isBusy);
                ThreadControl.SetEnable(button2, !isBusy);
            }
        }


        //private void button1_Click(object sender, EventArgs e)
        //{
        //    //string searchPattern = "*.avi|*.mp4|*.ogm|*.mkv";

        //    //string[] parts = searchPattern.Split(',', ';', '|');


        //    //var inputFile = new MediaFile { Filename = videoFilename };
        //    ////var outputFile = new MediaFile { Filename = @"N:\#\invincible.2021.s01e02.here.goes.nothing.720p.webrip.hevc.x265.mkv.jpg" };

        //    //using (var engine = new Engine())
        //    //{
        //    //    engine.GetMetadata(inputFile);

        //    //    // Saves the frame located on the 15th second of the video.
        //    //    var options = new ConversionOptions { Seek = TimeSpan.FromSeconds(150) };
        //    //    engine.GetThumbnail(inputFile, outputFile, options);
        //    //}


        //    //int i = 0;

        //    //FFmpegLoader.FFmpegPath = @"L:\repos\WinFormsApp1\bin\Debug\net5.0-windows";

        //    //MediaFile file = MediaFile.Open(@"N:\#\invincible.2021.s01e03.who.you.calling.ugly.720p.webrip.hevc.x265.mkv");

        //    //FFMediaToolkit.Graphics.ImageData img;
        //    //if (file.Video.TryGetNextFrame(out img))
        //    //{
        //    //    //img..ToBitmap()
        //    //}

        //    //while (file.Video.TryGetNextFrame(out var imageData))
        //    //{
        //    //    imageData.ToBitmap().Save($@"C:\images\frame_{i++}.png");
        //    //    // See the #Usage details for example .ToBitmap() implementation
        //    //    // The .Save() method may be different depending on your graphics library
        //    //}

        //    //MessageBox.Show("!");
        //}

        //private async void button2_Click(object sender, EventArgs e)
        //{
        //    //await Task.Run(() =>
        //    //{
        //    //    if (string.IsNullOrWhiteSpace(textBox1.Text)) return;
        //    //    if (!Directory.Exists(textBox1.Text)) return;

        //    //    ThreadControl.Clear(richTextBox1);

        //    //    //string[] extensionFilters = new string[] { ".avi", ".mp4", ".ogm", ".mkv" };

        //    //    ThreadControl.SetText(textBox1, @"C:\Windows");

        //    //    List<string> fileList = RyzStudio.IO.SmarterFileSystem.GetFiles(textBox1.Text, "*.avi|*.mp4|*.ogm|*.mkv", SearchOption.AllDirectories);

        //    //    //string[] fileList = Directory.GetFiles(textBox1.Text, "*.avi|*.mp4|*.ogm|*.mkv", SearchOption.TopDirectoryOnly);
        //    //    foreach (string item in fileList)
        //    //    {
        //    //        ThreadControl.AddLine(richTextBox1, item);


        //    //        //if (IsMatchExtension(item, extensionFilters))
        //    //        //{
        //    //        //    ThreadControl.AddLine(richTextBox1, item);

        //    //        //}


        //    //    }


        //    //    MessageBox.Show("!");

        //    //});
        //}

        //private bool IsMatchExtension(string filename, string[] extensionFilters)
        //{
        //    string ext = Path.GetExtension(filename)?.ToLower();

        //    foreach (var item in extensionFilters)
        //    {
        //        if (ext.Equals(item))
        //        {
        //            return true;
        //        }
        //    }

        //    return false;
        //}


        //private string[] Split(string lines)
        //{
        //    string[] rs = new string[0];

        //    foreach (string item in lines.Split(',', ';', '|'))
        //    {
        //        if (string.IsNullOrWhiteSpace(item))
        //        {
        //            continue;
        //        }

        //        Array.Resize(ref rs, (rs.Length + 1));
        //        rs[(rs.Length - 1)] = item?.Trim();
        //    }

        //    return rs;
        //}

        //private void Form1_DragOver(object sender, DragEventArgs e)
        //{
        //    e.Effect = (e.Data.GetDataPresent(DataFormats.FileDrop) ? DragDropEffects.Copy : DragDropEffects.None);
        //}

        //private async void Form1_DragDrop(object sender, DragEventArgs e)
        //{
        //    string[] fileList = e.Data.GetData(DataFormats.FileDrop) as string[];
        //    if (fileList == null)
        //    {
        //        return;
        //    }

        //    if (fileList.Length <= 0)
        //    {
        //        return;
        //    }

        //    //await ReadVideoFile(fileList[0]);
        //}

        //private async void textBox1_TextChanged(object sender, EventArgs e)
        //{
        //    //await ReadVideoFile(textBox1.Text);
        //}


        public AppSession CurrentSession { get; set; } = new AppSession();


        private void button1_MouseClick(object sender, MouseEventArgs e)
        {
            this.Close();
        }

        //private void button2_MouseClick(object sender, MouseEventArgs e)
        //{
        //    if (this.IsBusy)
        //    {
        //        return;
        //    }

        //    if (optionsForm == null) optionsForm = new OptionsForm(this.CurrentSession);
        //    if (optionsForm.ShowDialog() == DialogResult.OK)
        //    {
        //        this.CurrentSession = optionsForm.Session;

        //        this.TopMost = this.CurrentSession.AlwaysOnTop;
        //    }
        //}

        //private async void button3_MouseClick(object sender, MouseEventArgs e)
        //{


        //    //await ReadVideoFile(textBox1.Text);
        //}


        //protected TimeSpan CalcRandomTimeSpan(TimeSpan duration)
        //{
        //    int mm = randy.Next(0, (int)Math.Floor(duration.TotalMinutes));
        //    int ss = randy.Next(0, duration.Seconds);

        //    return new TimeSpan(0, mm, ss);
        //}

        //protected void Clear()
        //{
        //    videoFilename = null;
        //    videoDuration = TimeSpan.FromSeconds(0);

        //    //textBox1.Text = string.Empty;
        //    //ThreadControl.SetText(label5, "-");
        //    //ThreadControl.SetText(label7, "-");
        //    ThreadControl.SetText(label2, "-");
        //    //ThreadControl.Clear(flowLayoutPanel1);
        //}

        //protected Label CreateLabel(TimeSpan duration)
        //{
        //    Label label = new Label();
        //    label.Padding = new Padding(0);
        //    label.Margin = new Padding(0, 0, 0, 10);
        //    label.Text = string.Format("{0}h {1}m {2}s", duration.Hours, duration.Minutes, duration.Seconds);

        //    return label;
        //}

        //protected PictureBox CreatePictureBox(string filename, int width, int height)
        //{
        //    PictureBox imageBox = new PictureBox()
        //    {
        //        BackColor = Color.White,
        //        Margin = new Padding(0, 0, 0, 0),
        //        Padding = new Padding(0),
        //        SizeMode = PictureBoxSizeMode.Zoom,
        //        Width = width,
        //        Height = height,
        //    };
        //    imageBox.Load(filename);

        //    return imageBox;
        //}

        //protected void DeleteFile(string filename)
        //{
        //    try
        //    {
        //        File.Delete(filename);
        //    }
        //    catch
        //    {
        //        // do nothing
        //    }
        //}

        //private void pictureBox1_Click(object sender, EventArgs e)
        //{

        //}



        //protected string GetTempFolder()
        //{
        //    string path = Path.Combine(Application.StartupPath, "tmp");
        //    if (Directory.Exists(path))
        //    {
        //        return path;
        //    }

        //    try
        //    {
        //        Directory.CreateDirectory(path);
        //    }
        //    catch
        //    {
        //        // do nothing
        //    }

        //    if (Directory.Exists(path))
        //    {
        //        return path;
        //    }

        //    path = Path.GetTempPath();
        //    if (Directory.Exists(path))
        //    {
        //        return path;
        //    }

        //    return null;
        //}

        //protected decimal ParseFrameSizeRatio(string videoSize)
        //{
        //    if (string.IsNullOrWhiteSpace(videoSize))
        //    {
        //        return 0;
        //    }

        //    string[] parts = videoSize.Trim().Split("x");
        //    if (parts.Length != 2)
        //    {
        //        return 0;
        //    }

        //    int w;
        //    if (!int.TryParse(parts[0], out w))
        //    {
        //        return 0;
        //    }

        //    int h;
        //    if (!int.TryParse(parts[1], out h))
        //    {
        //        return 0;
        //    }

        //    try
        //    {
        //        return decimal.Divide(w, h);
        //    }
        //    catch
        //    {
        //        return 0;
        //    }
        //}

        //protected async Task ReadVideoFile(string filename)
        //{
        //    await Task.Run(() =>
        //    {
        //        if (this.IsBusy)
        //        {
        //            return;
        //        }

        //        this.IsBusy = true;

        //        Clear();

        //        MediaFile inputFile = new MediaFile
        //        {
        //            Filename = filename
        //        };

        //        using (Engine engine = new Engine())
        //        {
        //            try
        //            {
        //                engine.GetMetadata(inputFile);
        //            }
        //            catch (Exception exc)
        //            {
        //                MessageBox.Show(exc.Message);

        //                this.IsBusy = false;
        //                return;
        //            }
        //        }

        //        videoFilename = filename;
        //        videoDuration = inputFile.Metadata.Duration;

        //        textBox1.Text = videoFilename;
        //        ThreadControl.SetText(label5, inputFile.Metadata.VideoData.Format ?? string.Empty);
        //        ThreadControl.SetText(label7, (inputFile.Metadata.VideoData.FrameSize ?? string.Empty) + " @ " + inputFile.Metadata.VideoData.Fps.ToString() + "FPS");
        //        ThreadControl.SetText(label2, string.Format("{0}h {1}m {2}s", videoDuration.Hours, videoDuration.Minutes, videoDuration.Seconds));

        //        // calculate frame dimensions ratio
        //        decimal frameRatio = ParseFrameSizeRatio(inputFile.Metadata.VideoData.FrameSize);
        //        if (frameRatio <= 0)
        //        {
        //            this.IsBusy = false;
        //            return;
        //        }

        //        int thumbnailWidth = flowLayoutPanel1.ClientSize.Width - flowLayoutPanel1.Padding.Horizontal - SystemInformation.VerticalScrollBarWidth;
        //        int thumbnailHeight = (int)Math.Round(decimal.Divide((decimal)thumbnailWidth, frameRatio));

        //        using (Engine engine = new Engine())
        //        {
        //            for (int i = 0; i < this.CurrentSession.NoFrames; i++)
        //            {
        //                TimeSpan ts = CalcRandomTimeSpan(videoDuration);
        //                string thumbnailFilename = Path.ChangeExtension(Path.GetTempFileName(), "jpg");

        //                ConversionOptions options = new ConversionOptions
        //                {
        //                    Seek = ts,
        //                    CustomWidth = thumbnailWidth,
        //                    CustomHeight = thumbnailHeight
        //                };
        //                engine.GetThumbnail(inputFile, new MediaFile { Filename = thumbnailFilename }, options);

        //                PictureBox imageBox = CreatePictureBox(thumbnailFilename, thumbnailWidth, thumbnailHeight);
        //                ThreadControl.Add(flowLayoutPanel1, imageBox);

        //                Label label = CreateLabel(ts);
        //                ThreadControl.Add(flowLayoutPanel1, label);

        //                // clean-up
        //                DeleteFile(thumbnailFilename);
        //            }
        //        }

        //        this.IsBusy = false;
        //    });
        //}


        protected void AddSearchItem(string line)
        {
            memoBox1.Text = memoBox1.Text.Trim();

            // above line-break
            if (!string.IsNullOrWhiteSpace(memoBox1.Text)) memoBox1.Text += Environment.NewLine;

            memoBox1.Text += line + Environment.NewLine;
        }

        /// <summary>
        /// Search
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button2_MouseClick(object sender, MouseEventArgs e)
        {

        }

        /// <summary>
        /// Add directory
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void addDirectoryToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (this.IsBusy) return;

            if (folderBrowserDialog1.ShowDialog() == DialogResult.OK)
            {
                AddSearchItem(folderBrowserDialog1.SelectedPath);
            }
        }

        /// <summary>
        /// Add file
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void addFileToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (this.IsBusy) return;

            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                AddSearchItem(openFileDialog1.FileName);
            }
        }

        /// <summary>
        ///  Clear
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button4_MouseClick(object sender, MouseEventArgs e)
        {
            if (this.IsBusy) return;

            memoBox1.Text = string.Empty;
        }




    }
}