using System;
using MaterialSkin;
using MaterialSkin.Controls;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace KaraokePlayer
{
    public partial class MainForm : MaterialForm
    {
        private readonly MaterialSkinManager _materialSkinManager;
        private List<FileInfo> _fileList;

        public MainForm()
        {
            InitializeComponent();
            karaokeCDGPlayer.songEndedHandler += new KaraokePlayer.KaraokeVideoPlayer.SongEndedEventHandler(this.karaokePlayerSongEnded);
            karaokeMP4Player.songEndedHandler += new KaraokePlayer.KaraokeVideoPlayer.SongEndedEventHandler(this.karaokePlayerSongEnded);
            // Initialize MaterialSkinManager
            _materialSkinManager = MaterialSkinManager.Instance;
            _materialSkinManager.AddFormToManage(this);
            //_materialSkinManager.Theme = new DarkTheme();
            _materialSkinManager.ColorScheme = new ColorScheme(Primary.Green600, Primary.Green700, Primary.Green200, Accent.Red100, TextShade.WHITE);
        }

        private void materialRaisedButton1_Click(object sender, System.EventArgs e)
        {
            playSelectedFile();
        }

        private void btnBrowse_Click(object sender, EventArgs e)
        {
            if (browseDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                var files = GetFiles(browseDialog.SelectedPath, "*.cdg|*.mp4", searchOption: System.IO.SearchOption.AllDirectories);
               var filtered = files.Where(f => f.Length < 248).ToList();
                _fileList = filtered.Select(file => new FileInfo(file)).ToList();
                materialListBox1.DataSource = _fileList;
                materialListBox1.DisplayMember = "Name";

            }
        }

        private void materialListBox1_MouseDoubleClick(object sender, System.Windows.Forms.MouseEventArgs e)
        {
            int index = this.materialListBox1.IndexFromPoint(e.Location);
            if (index != System.Windows.Forms.ListBox.NoMatches)
            {
                playSelectedFile();
            }
        }

        private void materialSingleLineTextField1_TextChanged(object sender, EventArgs e)
        {
            materialListBox1.DataSource = _fileList.Where(
                file => Regex.IsMatch(file.Name, materialSingleLineTextField1.Text, RegexOptions.IgnoreCase)).ToList();
        }

        public static string[] GetFiles(string path, string searchPattern, SearchOption searchOption)
        {
            string[] searchPatterns = searchPattern.Split('|');
            List<string> files = new List<string>();
            foreach (string sp in searchPatterns)
                files.AddRange(System.IO.Directory.GetFiles(path, sp, searchOption));
            files.Sort();
            return files.ToArray();
        }

        public void playSelectedFile()
        {
            FileInfo file = (FileInfo)materialListBox1.SelectedItem;
            if (file.Extension.ToLower() == ".cdg")
            {
               karaokeCDGPlayer.Play(new Uri(Path.ChangeExtension(file.FullName, ".mp3")));
                karaokeCDGPlayer.Visible = true;
                karaokeMP4Player.Visible = false;
                karaokeMP4Player.Stop();
            }
            else {
                karaokeMP4Player.Play(new Uri(file.FullName));
                karaokeMP4Player.Visible = true;
                karaokeCDGPlayer.Visible = false;
                karaokeCDGPlayer.Stop();
            }
        }

        public void karaokePlayerSongEnded(object sender, EventArgs e)
        {
            //here
        }
    }
}