using System.Linq;
using SimpleHttp;
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Pipes;
using System.Reflection;
using System.Runtime.Serialization.Formatters.Binary;
using System.Text;
using System.Threading;
using TYTD.Server.Models;
using Newtonsoft.Json;

using System.Net;
using System.Threading.Tasks;
using TYTD.Server.Functions;
using YoutubeExplode.Videos;
using YoutubeExplode;
using YoutubeExplode.Videos.Streams;
using PlaylistsNET;
using PlaylistsNET.Content;
using PlaylistsNET.Models;
using PlaylistsNET.Utils;
namespace TYTD
{

    static class Program
    {
        public static void RemoveRange<T>(this List<T> list,IEnumerable<T> items)
        {
            foreach(var item in items)
            {
                list.Remove(item);
            }
        }

        static string webSitePath;
        static void Main(string[] arg)
        {
            Downloader.GetManifest = GetManifest;
            Thread t = new Thread(new ThreadStart(() => {
               Downloader.DL.DownloadThread().GetAwaiter().GetResult();
            }));
            t.Start();
            Thread t2 = new Thread(new ThreadStart(() => {
                Downloader.DL.ListenForQueueItem().GetAwaiter().GetResult();
            }));


            t2.Start();
          
           
            // we need to get our app name so that 
            // we can create unique names for our mutex and our pipe
            webSitePath = Downloader.DL.GetPath(true, "WebSite");

            Route.Before += Route_Before;
          

            /* Generic */
            Route.Add("/api/AddItems", (HttpAction)AddItems, "POST");
            Route.Add("/api/AddItem/{Id}", (HttpAction)AddItem);
            Route.Add("/api/AddItemRes/{R}/{Id}", (HttpAction)AddItemRes);
            Route.Add("/api/AddFile/{Url}", (HttpAction)AddFile);
            Route.Add("/api/AddCaptions/{Id}", (HttpAction)AddCaptions);

            /* Videos */
            Route.Add("/api/AddVideoInfo/{Id}", (HttpAction)AddVideoInfo);
            Route.Add("/api/AddVideo/{Id}", (HttpAction)AddVideo);
            Route.Add("/api/AddVideoRes/{R}/{Id}", (HttpAction)AddVideoRes);
            Route.Add("/api/Redownload", (HttpAction)Redownload);
            Route.Add("/api/Redownload/{R}", (HttpAction)RedownloadRes);
            Route.Add("/api/Watch/{VideoId}", (HttpAction)Watch);

            /* Playlist */
            Route.Add("/api/AddPlaylistOnly/{Id}", (HttpAction)AddPlaylistOnly);
            Route.Add("/api/AddPlaylist/{Id}", (HttpAction)AddPlaylist);
            Route.Add("/api/AddPlaylistRes/{R}/{Id}", (HttpAction)AddPlaylistRes);
            Route.Add("/api/PersonalPlaylist/{PlaylistName}",(HttpAction)PersonalPlaylist);
            Route.Add("/api/CreatePlaylist/{Ids}/playlist.{extension}", (HttpAction)CreatePlaylist);
            Route.Add("/api/CreatePlaylistRes/{Ids}/playlist.{extension}", (HttpAction)CreatePlaylistRes);
            /* Search */
            Route.Add("/api/SearchOnly/{text}", (HttpAction)SearchOnly);
            Route.Add("/api/Search/{text}", (HttpAction)Search);
           
            /* Channel */
            Route.Add("/api/AddChannelOnly/{Id}", (HttpAction)AddChannelOnly);
            Route.Add("/api/AddChannel/{Id}", (HttpAction)AddChannel);
            Route.Add("/api/AddChannelRes/{R}/{Id}", (HttpAction)AddChannelRes);

            /* User */
            Route.Add("/api/AddUserOnly/{Id}", (HttpAction)AddUserOnly);
            Route.Add("/api/AddUser/{Id}", (HttpAction)AddUser);
            Route.Add("/api/AddUserRes/{R}/{Id}", (HttpAction)AddUserRes);

            /* Queue and Progress */
            Route.Add("/api/QueueList", (HttpAction)QueueList);
            Route.Add("/api/QueueMove/{From}/{To}", (HttpAction)QueueMove);
            Route.Add("/api/QueueMove2/{To}/{Id}", (HttpAction)QueueMove2);
            Route.Add("/api/Progress", (HttpAction)VideoProgress);
            Route.Add("/api/Redo", (HttpAction)Redo);
            Route.Add("/api/Cancel", (HttpAction)Cancel);
           
            /* Storage */
            Route.Add("/api/Storage/GetDirectories/{Path}", (HttpAction)StorageGetDirectories);
            Route.Add("/api/Storage/GetFiles/{Path}", (HttpAction)StorageGetFiles);
            Route.Add("/api/Storage/DirectoryExists/{Path}", (HttpAction)StorageDirectoryExists);
            Route.Add("/api/Storage/FileExists/{Path}", (HttpAction)StorageFileExists);
            Route.Add("/api/Storage/File/{Path}", (HttpAction)StorageFile);
            Route.Add("/api/Storage/Video/{Id}",(HttpAction)Video);
            Route.Add("/api/Storage/VideoRes/{Res}/{Id}",(HttpAction)VideoRes);
            Route.Add("/api/upload/", (HttpAction)UploadFiles, "POST");

            Route.Add("/api/endpoint", (HttpAction)Endpoint,"POST");
           
            ApiLoader.Init();
            /* Other */
            Route.Add("/", (HttpAction)Index);
            Route.Add("/extensions.html", (HttpAction)Extensions);
            Route.Add("/{Path}", (HttpAction)RootPath);
            Route.Add("/{Path}",(HttpAction)UploadFilePut,"PUT");
            Console.CancelKeyPress += (sender, e) => { ApiLoader.Dispose();var date = DateTime.Now.ToString("yyyyMMdd_HHmmss");File.WriteAllText(Path.Combine("config","queues-close",$"{date}.json"), Downloader.GetQueue()); e.Cancel = false; };


            Console.WriteLine("Almost Ready To Listen");

            if (arg.Length > 0)
            {

                HttpServer.ListenAsync(arg[0], CancellationToken.None, Route.OnHttpRequestAsync).Wait();

            }
            else
            {
                HttpServer.ListenAsync(3250, CancellationToken.None, Route.OnHttpRequestAsync).Wait();
            }
        }

       

        private static async Task<StreamManifest> GetManifest(YoutubeClient arg1, VideoId arg2)
        {
            return await arg1.Videos.Streams.GetManifestAsync(arg2);
        }

        #region Generic
        private static void AddItems(HttpListenerRequest request, HttpListenerResponse response, Dictionary<string, string> arguments)
        {
            var f = request.ParseBody(arguments);
            foreach (var file in f.Values)
            {

                using (var req = new StreamReader(file.Value))
                {
                    List<IDResolutionTypeTriplet> tripletlst = JsonConvert.DeserializeObject<List<IDResolutionTypeTriplet>>(req.ReadToEnd());
                    Downloader.DownloadItems(tripletlst);
                    response.Redirect("/");
                }
            }


        }
        public static void AddItem(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            Downloader.DownloadItem(System.Web.HttpUtility.UrlDecode(args["Id"]));

            rp.AsText("<script>history.back();</script>");
        }

        public static void AddItemRes(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            Downloader.DownloadItem(System.Web.HttpUtility.UrlDecode(args["Id"]), (Resolution)int.Parse(args["R"]));
            rp.AsText("<script>history.back();</script>");
        }
        public static void AddFile(HttpListenerRequest request, HttpListenerResponse response, Dictionary<string, string> arguments)
        {
            Downloader.DownloadFile(arguments["Url"]);
        }
        public static void AddCaptions(HttpListenerRequest request, HttpListenerResponse response, Dictionary<string, string> arguments)
        {
            Downloader.DownloadCaptions(arguments["Id"]);
        }
        #endregion
        #region Video
        public static void AddVideoInfo(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            Downloader.DownloadVideoInfo(System.Web.HttpUtility.UrlDecode(args["Id"]), Resolution.NoConvert);
            rp.AsText("<script>history.back();</script>");
        }
        public static void AddVideo(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            Downloader.DownloadVideo(System.Web.HttpUtility.UrlDecode(args["Id"]));

            rp.AsText("<script>history.back();</script>");
        }

        public static void AddVideoRes(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            Downloader.DownloadVideo(System.Web.HttpUtility.UrlDecode(args["Id"]), (Resolution)int.Parse(args["R"]));
            rp.AsText("<script>history.back();</script>");
        }
        public static void Redownload(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            foreach (var item in Directory.GetFiles(Downloader.DL.GetPath(true, "Info"), "*.json"))
            {
                string id =Path.GetFileNameWithoutExtension(item);
                Downloader.DownloadVideo(id, Resolution.NoConvert);
            }
            rp.AsText("<script>history.back();</script>");
        }
       
        public static void RedownloadRes(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            foreach (var item in Directory.GetFiles(Downloader.DL.GetPath(true, "Info"), "*.json"))
            {
                string id = System.IO.Path.GetFileNameWithoutExtension(item);
                Downloader.DownloadVideo(id, (Resolution)int.Parse(args["R"]));
            }
            rp.AsText("<script>history.back();</script>");
        }
        public static void Watch(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            var txt = Templating.RenderFile(Path.Combine(webSitePath, "watch_page.thtml"), args); //populate template
            rp.AsText(txt);
        }
        #endregion
        #region Playlist
        public static void AddPlaylistOnly(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            Downloader.DownloadPlaylistOnly(System.Web.HttpUtility.UrlDecode(args["Id"]), Resolution.NoConvert);
            rp.AsText("<script>history.back();</script>");
        }
          public static void AddPlaylist(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            Downloader.DownloadPlaylist(System.Web.HttpUtility.UrlDecode(args["Id"]));

            rp.AsText("<script>history.back();</script>");
        }
        public static void AddPlaylistRes(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            Downloader.DownloadPlaylist(System.Web.HttpUtility.UrlDecode(args["Id"]), (Resolution)int.Parse(args["R"]));
            rp.AsText("<script>history.back();</script>");
        }
        public static void PersonalPlaylist(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            string playlistName=System.Web.HttpUtility.UrlDecode(args["PlaylistName"]);
            string playlistNameWithoutExtension =Path.GetFileNameWithoutExtension(playlistName);
            string path= Path.Combine("PersonalPlaylist", $"{playlistNameWithoutExtension}.json");
            string extension = Path.GetExtension(playlistName);
            List<(string Id, Resolution Resolution)> list = JsonConvert.DeserializeObject<List<(string Id, Resolution Resolution)>>(File.ReadAllText(path));
            string mimeType;
             rp.AsText(CreatePlaylistString(rq, list, extension, out mimeType),mimeType);
        }
        public static void CreatePlaylist(HttpListenerRequest rq,HttpListenerResponse rp,Dictionary<string,string> args)
        {
            // Route.Add("/api/PersonalPlaylist/{PlaylistName}", (HttpAction)PersonalPlaylist);
            //Route.Add("/api/CreatePlaylist/{Ids}/playlist.{extension}", (HttpAction)CreatePlaylist);
            //Route.Add("/api/CreatePlaylistRes/{Ids}/playlist.{extension}", (HttpAction)CreatePlaylistRes);

            string[] ids= System.Web.HttpUtility.UrlDecode(args["Ids"]).Split(',');
            var list = new List<(string Id, Resolution Resolution)>();
            foreach (var id in ids)
            {
                list.Add((id, Resolution.NoConvert));
            }
            string mimeType;
            rp.AsText(CreatePlaylistString(rq, list, args["extension"],out mimeType),mimeType);
        }
        public static void CreatePlaylistRes(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            string[] ids = System.Web.HttpUtility.UrlDecode(args["Ids"]).Split(',');
            var list = new List<(string Id, Resolution Resolution)>();
            for (int i=0;i<list.Count;i+=2)
            {
                string id = ids[i];
                string res = ids[i + 1];
                list.Add((id,(Resolution)int.Parse(res)));
            }
            string mimeType;
            rp.AsText(CreatePlaylistString(rq, list, args["extension"], out mimeType),mimeType);
        }
        public static string CreatePlaylistString(HttpListenerRequest req, List<(string Id, Resolution Resolution)> videoIds, string ext,out string mimeType)
        {
            string[] _res = { "Converted", "NotConverted", "Audio" };
            string UrlBegin = GetServerRoot(req);
            string ext2 = ext.TrimStart('.');
            if (ext2 == "m3u" || ext2 == "m3u8")
            {
                M3uPlaylist playlist = new M3uPlaylist();
                playlist.IsExtended = true;

                foreach (var item in videoIds)
                {

                    M3uPlaylistEntry entry = new M3uPlaylistEntry();
                    entry.Path = UrlBegin.TrimEnd('/') + $"/api/Storage/File/{_res[(int)item.Resolution]}/{item.Id}.mp4";
                    var video = JsonConvert.DeserializeObject<SavedVideo>(File.ReadAllText(Path.Combine("Info", $"{item.Id}.json")));
                    entry.Title = video.Title;
                    entry.AlbumArtist = video.AuthorTitle;
                    entry.Duration = TimeSpan.FromSeconds(video.Duration);
                    playlist.PlaylistEntries.Add(entry);
                }

                M3uContent content = new M3uContent();
                mimeType = "audio/x-mpegurl";
                return content.ToText(playlist);
            } else if (ext2 == "wpl")
            {
                WplPlaylist playlist = new WplPlaylist();


                foreach (var item in videoIds)
                {

                    WplPlaylistEntry entry = new WplPlaylistEntry();
                    entry.Path = UrlBegin.TrimEnd('/') + $"/api/Storage/File/{_res[(int)item.Resolution]}/{item.Id}.mp4";
                    var video = JsonConvert.DeserializeObject<SavedVideo>(File.ReadAllText(Path.Combine("Info", $"{item.Id}.json")));
                    entry.TrackTitle = video.Title;
                    entry.TrackArtist = video.AuthorTitle;
                    entry.Duration = TimeSpan.FromSeconds(video.Duration);
                    playlist.PlaylistEntries.Add(entry);
                }

                WplContent content = new WplContent();
                mimeType = "application/vnd.ms-wpl";
                return content.ToText(playlist);
            } else if (ext2 == "pls")
            {
                PlsPlaylist playlist = new PlsPlaylist();

                int i = 1;
                foreach (var item in videoIds)
                {

                    PlsPlaylistEntry entry = new PlsPlaylistEntry();
                    entry.Path = UrlBegin.TrimEnd('/') + $"/api/Storage/File/{_res[(int)item.Resolution]}/{item.Id}.mp4";
                    var video = JsonConvert.DeserializeObject<SavedVideo>(File.ReadAllText(Path.Combine("Info", $"{item.Id}.json")));
                    entry.Title = video.Title;
                    entry.Nr = i++;

                    playlist.PlaylistEntries.Add(entry);
                }
                mimeType = "audio/x-scpls";
                PlsContent content = new PlsContent();
                return content.ToText(playlist);
            } else if (ext2 == "zpl")
            {
                ZplPlaylist playlist = new ZplPlaylist();


                foreach (var item in videoIds)
                {

                   ZplPlaylistEntry entry = new ZplPlaylistEntry();
                    entry.Path = UrlBegin.TrimEnd('/') + $"/api/Storage/File/{_res[(int)item.Resolution]}/{item.Id}.mp4";
                    var video = JsonConvert.DeserializeObject<SavedVideo>(File.ReadAllText(Path.Combine("Info", $"{item.Id}.json")));
                    entry.TrackTitle = video.Title;
                    entry.TrackArtist = video.AuthorTitle;
                    entry.Duration = TimeSpan.FromSeconds(video.Duration);

                    playlist.PlaylistEntries.Add(entry);
                }
                mimeType = "application/vnd.ms-zpl";
                ZplContent content = new ZplContent();
                return content.ToText(playlist);
            }
            mimeType = "text/plain";
            return "Invalid";
        }

        #endregion
        #region Search
        public static void SearchOnly(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            string search = System.Web.HttpUtility.UrlDecode(args["text"]);
            string json = JsonConvert.SerializeObject(Downloader.Search(search, false));
            rp.AsText(json, "application/json");

        }
        public static void Search(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            string search = System.Web.HttpUtility.UrlDecode(args["text"]);
            string json = JsonConvert.SerializeObject(Downloader.Search(search));
            rp.AsText(json, "application/json");

        }
        #endregion
        #region Channel
        public static void AddChannelOnly(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            Downloader.DownloadChannelOnly(System.Web.HttpUtility.UrlDecode(args["Id"]));

            rp.AsText("<script>history.back();</script>");
        }
        public static void AddChannel(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            Downloader.DownloadChannel(System.Web.HttpUtility.UrlDecode(args["Id"]));

            rp.AsText("<script>history.back();</script>");
        }
        public static void AddChannelRes(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            Downloader.DownloadChannel(System.Web.HttpUtility.UrlDecode(args["Id"]), (Resolution)int.Parse(args["R"]));
            rp.AsText("<script>history.back();</script>");
        }
        #endregion
        #region User
        public static void AddUserOnly(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
           Downloader.DownloadUserOnly(System.Web.HttpUtility.UrlDecode(args["Id"]));
            rp.AsText("<script>history.back();</script>");
        }
        public static void AddUser(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            Downloader.DownloadUser(System.Web.HttpUtility.UrlDecode(args["Id"]));

            rp.AsText("<script>history.back();</script>");
        }
        public static void AddUserRes(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            Downloader.DownloadUser(System.Web.HttpUtility.UrlDecode(args["Id"]), (Resolution)int.Parse(args["R"]));
            rp.AsText("<script>history.back();</script>");
        }
        #endregion
        #region Queue And Progress
        public static void QueueList(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            string json = Downloader.GetQueue();
            rp.AsText(json, "application/json");
        }
        public static void QueueMove(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            Downloader.ModQueue(args["To"], args["From"]);
            rp.AsText("<script>history.back();</script>");
        }
        public static void QueueMove2(HttpListenerRequest request, HttpListenerResponse response, Dictionary<string, string> arguments)
        {
            Downloader.ModQueue2(arguments["To"], arguments["Id"]);
            response.AsRedirect("/");
        }
        public static void VideoProgress(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            string json = JsonConvert.SerializeObject(Downloader.GetProgress());
            rp.AsText(json, "application/json");
        }
         public static void Redo(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            lock (Downloader.DL.cancelSrc)
            {
                Downloader.RedownloadIt = true;
                Downloader.DL.cancelSrc.Item.Cancel();
            }

        }
        public static void Cancel(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {

            lock (Downloader.DL.cancelSrc)
            {
                Downloader.RedownloadIt = false;
                Downloader.DL.cancelSrc.Item.Cancel();
            }

        }
        #endregion
        #region Storage
        public static void StorageGetDirectories(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            string path = Downloader.DL.GetPath(true, System.Web.HttpUtility.UrlDecode(args["Path"]));

            if (Directory.Exists(path))
            {
                string json = Newtonsoft.Json.JsonConvert.SerializeObject(Directory.EnumerateDirectories(path).Select<string, string>((o) => { return Path.GetFileName(o); }));
                rp.AsText(json, "application/json");
            }
            else
            {
                rp.AsText("[]", "application/json");
            }
        }
        public static void StorageGetFiles(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            string path = Downloader.DL.GetPath(true, System.Web.HttpUtility.UrlDecode(args["Path"]));

            if (Directory.Exists(path))
            {
                string json = Newtonsoft.Json.JsonConvert.SerializeObject(Directory.EnumerateFiles(path).Select<string, string>((o) => { return Path.GetFileName(o); }));
                rp.AsText(json, "application/json");
            }
            else
            {
                rp.AsText("[]", "application/json");
            }
        }
        public static void StorageDirectoryExists(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            string path = Downloader.DL.GetPath(true, System.Web.HttpUtility.UrlDecode(args["Path"]));
            string json = Directory.Exists(path) ? "true" : "false";
            rp.AsText(json, "text/plain");

        }
        public static void StorageFileExists(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            string path = Downloader.DL.GetPath(true, System.Web.HttpUtility.UrlDecode(args["Path"]));
            string json = File.Exists(path) ? "true" : "false";
            rp.AsText(json, "text/plain");

        }
        public static void StorageFile(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            if (args["Path"].StartsWith("config/"))
            {
                rp.AsText("Access denied");
            }
            else
            {
                string path = Downloader.DL.GetPath(true, System.Web.HttpUtility.UrlDecode(args["Path"]));
                if (Directory.Exists(path))
                {
                    string indexHtml = Path.Combine(path, "index.html");
                    if (File.Exists(indexHtml))
                    {
                        path = indexHtml;
                    }
                    else
                    {
                        string dir = Path.Combine(webSitePath, "err", "dir.html");
                        StringBuilder b = new StringBuilder();
                        var f = Directory.GetLastWriteTime(Path.GetDirectoryName(path));
                        string parentModified = $"{f.ToShortDateString()} {f.ToShortTimeString()}";
                        b.Append($"<tr><td><a href=\"..\">Up</a></td><td>{parentModified}</td><td>DIR</td></tr>");
                        foreach (var file in Directory.GetDirectories(path))
                        {
                            string name = Path.GetFileName(file);
                            string nameUrled = System.Web.HttpUtility.UrlEncode(name);
                            string nameHtmled = System.Web.HttpUtility.HtmlEncode(name);
                            f = Directory.GetLastWriteTime(file);
                            string dateModifed = $"{f.ToShortDateString()} {f.ToShortTimeString()}";
                            b.Append($"<tr><td><a href=\"{nameUrled}\">{nameHtmled}</a></td><td>{dateModifed}</td><td>DIR</td></tr>");
                        }
                        foreach (var file in Directory.GetFiles(path))
                        {
                            string name = Path.GetFileName(file);
                            string nameUrled = System.Web.HttpUtility.UrlEncode(name);
                            string nameHtmled = System.Web.HttpUtility.HtmlEncode(name);
                            f = File.GetLastWriteTime(file);

                            string dateModifed = $"{f.ToShortDateString()} {f.ToShortTimeString()}";
                            b.Append($"<tr><td><a href=\"{nameUrled}\">{nameHtmled}</a></td><td>{dateModifed}</td><td>FILE</td></tr>");
                        }
                        Dictionary<string, string> templating = new Dictionary<string, string>();
                        templating.Add("Items", b.ToString());
                        rp.AsText(Templating.RenderFile(dir, templating));

                        return;
                    }
                }
                rp.AsFile(rq, path);
            }

        }
        public static void Video(HttpListenerRequest rq,HttpListenerResponse rp,Dictionary<string,string> args)
        {
            VideoId? vid = VideoId.TryParse(System.Web.HttpUtility.UrlDecode(args["Id"]));
            if (vid.HasValue)
            {
                string path = Downloader.DL.GetPath(true, "NotConverted",vid.Value +".mp4");
                rp.AddHeader("Content-Disposition", GetVideoContentDisposition(vid.Value).ToString());
                rp.AsFile(rq, path);
            }
            else
            {
                rp.WithCode(HttpStatusCode.BadRequest);
                rp.AsText("Invalid Video ID or URL", "text/plain");
            }
        }
        public static void VideoRes(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
           VideoId? vid = VideoId.TryParse(System.Web.HttpUtility.UrlDecode(args["Id"]));
            if (vid.HasValue)
            {
                int res;
                if(int.TryParse(args["Res"],out res))
                {
                    if (res > 2 || res < 0)
                    {
                        rp.WithCode(HttpStatusCode.BadRequest);
                        rp.AsText($"Invalid Resolution Number must be either 0, 1 or 2", "text/plain");
                    }
                    else
                    {
                        string[] m = new string[] { "Converted", "NotConverted", "Audio" };
                        string path = Downloader.DL.GetPath(true, m[res], vid.Value + ".mp4");
                        rp.AddHeader("Content-Disposition", GetVideoContentDisposition(vid.Value).ToString());
                        rp.AsFile(rq, path);
                    }
                }

                else
                {
                    rp.WithCode(HttpStatusCode.BadRequest);
                    rp.AsText("Res is not a number", "text/plain");
                }
               
            }
            else
            {
                rp.WithCode(HttpStatusCode.BadRequest);
                rp.AsText("Invalid Video ID or URL", "text/plain");
            }
        }
        public static System.Net.Mime.ContentDisposition GetVideoContentDisposition(string id)
        {
            var cd = new System.Net.Mime.ContentDisposition();
            string filename = GetVideoName(id);
            cd.FileName = filename;
            
            return cd;
        }
        public static string GetVideoName(string id)
        {
            string name = id + ".mp4";
            string path = Downloader.DL.GetPath(true, "Info", id + ".json");
            if (File.Exists(path))
            {
                string info=File.ReadAllText(path);
                name= JsonConvert.DeserializeObject<SavedVideo>(info).Title + ".mp4";
            }

            string asAscii = Encoding.ASCII.GetString(
            Encoding.Convert(
                Encoding.UTF8,
                Encoding.GetEncoding(
                    Encoding.ASCII.EncodingName,
                        new EncoderReplacementFallback(string.Empty),
                        new DecoderExceptionFallback()
                    ),
                    Encoding.UTF8.GetBytes(name)
                )
            );
            return asAscii;
        }
        public static void UploadFiles(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            var files = rq.ParseBody(args);
            foreach (var f in files.Values)
                f.Save(Path.Combine(webSitePath, f.FileName));
            rp.AsText("uploaded", "text/plain");
        }
        #endregion
        #region Other
        public static void Index(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            rp.AsFile(rq, Path.Combine(webSitePath, "index.html"));
        }
        public static void Extensions(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            rp.AsText(ApiLoader.Page);
        }
        private static void UploadFilePut(HttpListenerRequest request, HttpListenerResponse response, Dictionary<string, string> arguments)
        {
            string p = System.Web.HttpUtility.UrlDecode(arguments["Path"]).Split(new char[] { '?' }, StringSplitOptions.RemoveEmptyEntries)[0];
            string path = Path.Combine(webSitePath, p);
            bool exists = File.Exists(path);
            using (var instr = request.InputStream)
            {
                using (var outStr = File.Create(path))
                {
                    instr.CopyTo(outStr);
                }
            }
            if (exists)
            {
                response.WithCode(HttpStatusCode.NoContent);
            }
            else
            {
                response.WithCode(HttpStatusCode.Created);
            }
        }

        private static void Endpoint(HttpListenerRequest request, HttpListenerResponse response, Dictionary<string, string> arguments)
        {
            //MultiDictionary<string, string> multi = new MultiDictionary<string, string>();
            request.ParseBody(arguments);
            List<string> print = new List<string>();
            bool hasOtherResponse=false;
            bool success = true;
            if(arguments.ContainsKey("operation"))
            {
                if (arguments["operation"] == "create_personal_playlist")
                {
                    string myName = arguments["name"];
                    string path = Downloader.DL.GetPath(true, "PersonalPlaylist", $"{myName}.json");

                    string[] ids = System.Web.HttpUtility.UrlDecode(arguments["ids"]).Split(',');
                    var list = new List<(string Id, Resolution Resolution)>();
                    list.AddRange(ids.Select(e => (e, Resolution.NoConvert)));

                    File.WriteAllText(path, JsonConvert.SerializeObject(list));
                } 
                else if (arguments["operation"] == "create_personal_playlist_res") 
                {
                    string myName = arguments["name"];
                    string path = Downloader.DL.GetPath(true, "PersonalPlaylist", $"{myName}.json");

                    string[] ids = System.Web.HttpUtility.UrlDecode(arguments["ids"]).Split(',');
                    var list = new List<(string Id, Resolution Resolution)>();
                 
                    for (int i = 0; i < list.Count; i += 2)
                    {
                        string id = ids[i];
                        string res = ids[i + 1];
                        list.Add((id, (Resolution)int.Parse(res)));
                    }

                    File.WriteAllText(path, JsonConvert.SerializeObject(list));

                }
                else if (arguments["operation"] == "add_to_personal_playlist")
                {
                    string myName = arguments["name"];
                    string path = Downloader.DL.GetPath(true, "PersonalPlaylist", $"{myName}.json");

                    string[] ids = System.Web.HttpUtility.UrlDecode(arguments["ids"]).Split(',');
                    var list = JsonConvert.DeserializeObject<List<(string Id, Resolution Resolution)>>(File.ReadAllText(path));


                    list.AddRange(ids.Select(e => (e, Resolution.NoConvert)));
                    File.WriteAllText(path, JsonConvert.SerializeObject(list));
                }
                else if (arguments["operation"] == "add_to_personal_playlist_res")
                {
                    string myName = arguments["name"];
                    string path = Downloader.DL.GetPath(true, "PersonalPlaylist", $"{myName}.json");

                    string[] ids = System.Web.HttpUtility.UrlDecode(arguments["ids"]).Split(',');
                    var list = JsonConvert.DeserializeObject<List<(string Id, Resolution Resolution)>>(File.ReadAllText(path));

                    for (int i = 0; i < list.Count; i += 2)
                    {
                        string id = ids[i];
                        string res = ids[i + 1];
                        list.Add((id, (Resolution)int.Parse(res)));
                    }

                    File.WriteAllText(path, JsonConvert.SerializeObject(list));
                }
                else if (arguments["operation"] == "insert_to_personal_playlist")
                {
                    string myName = arguments["name"];
                    string path = Downloader.DL.GetPath(true, "PersonalPlaylist", $"{myName}.json");

                    string[] ids = System.Web.HttpUtility.UrlDecode(arguments["ids"]).Split(',');
                    var list = JsonConvert.DeserializeObject<List<(string Id, Resolution Resolution)>>(File.ReadAllText(path));
                    int offset = 0;
                    if (arguments.ContainsKey("offset"))
                    {
                        if (!int.TryParse(arguments["offset"], out offset))
                        {
                            offset = 0;
                        }
                    }
                    list.InsertRange(offset, ids.Select(e => (e, Resolution.NoConvert)));
                    File.WriteAllText(path, JsonConvert.SerializeObject(list));
                }
                else if (arguments["operation"] == "remove_from_personal_playlist")
                {
                    string myName = arguments["name"];
                    string path = Downloader.DL.GetPath(true, "PersonalPlaylist", $"{myName}.json");

                    string[] ids = System.Web.HttpUtility.UrlDecode(arguments["ids"]).Split(',');
                    var list = JsonConvert.DeserializeObject<List<(string Id, Resolution Resolution)>>(File.ReadAllText(path));
                    List<(string, Resolution)> todel = new List<(string, Resolution)>();
                    foreach(var item in list)
                    {
                        if(ids.Contains(item.Id))
                        {
                            todel.Add(item);
                        }
                    }
                    list.RemoveRange(todel);
                    File.WriteAllText(path, JsonConvert.SerializeObject(list));
                }
                else if (arguments["operation"] == "insert_to_personal_playlist_res")
                {
                    string myName = arguments["name"];
                    string path = Downloader.DL.GetPath(true, "PersonalPlaylist", $"{myName}.json");

                    string[] ids = System.Web.HttpUtility.UrlDecode(arguments["ids"]).Split(',');
                    var list = JsonConvert.DeserializeObject<List<(string Id, Resolution Resolution)>>(File.ReadAllText(path));
                    int offset = 0;
                    if (arguments.ContainsKey("offset"))
                    {
                        if (!int.TryParse(arguments["offset"], out offset))
                        {
                            offset = 0;
                        }
                    }
                    for (int i = 0; i < list.Count; i += 2)
                    {
                        string id = ids[i];
                        string res = ids[i + 1];
                        list.Insert(offset++,(id, (Resolution)int.Parse(res)));
                    }

                    File.WriteAllText(path, JsonConvert.SerializeObject(list));
                }
                else if (arguments["operation"] == "server_download")
                {
                    if (arguments.ContainsKey("url"))
                    {
                        string myUrl = arguments["url"];
                        if (arguments.ContainsKey("resolution"))
                        {
                            uint res;
                            if (uint.TryParse(arguments["resolution"], out res) && res <= 2)
                            {
                                Downloader.DownloadItem(myUrl, (Resolution)res);
                            }
                            else
                            {
                                print.Add("WARNING: argument resolution shall not be greater than 3 or less than 0");
                                Downloader.DownloadItem(myUrl);
                            }
                        }
                        else
                        {
                            Downloader.DownloadItem(myUrl);
                        }
                    }
                }
                else if (arguments["operation"] == "download")
                {
                    if (arguments.ContainsKey("url"))
                    {
                        VideoId? vid = VideoId.TryParse(arguments["url"]);
                        if (vid.HasValue)
                        {
                            if (arguments.ContainsKey("resolution"))
                            {
                                int res;
                                if (int.TryParse(arguments["resolution"], out res))
                                {
                                    if (res > 2 || res < 0)
                                    {

                                        print.Add("Invalid Resolution Number must be either 0, 1 or 2");
                                    }
                                    else
                                    {
                                        string[] m = new string[] { "Converted", "NotConverted", "Audio" };
                                        string path = Downloader.DL.GetPath(true, m[res], vid.Value + ".mp4");
                                        response.AddHeader("Content-Disposition", GetVideoContentDisposition(vid.Value).ToString());
                                        response.AsFile(request, path);
                                        hasOtherResponse = true;
                                    }
                                }

                                else
                                {

                                    print.Add("Res is not a number");
                                }
                            }
                            else
                            {

                                string path = Downloader.DL.GetPath(true, "NotConverted", vid.Value + ".mp4");
                                response.AddHeader("Content-Disposition", GetVideoContentDisposition(vid.Value).ToString());
                                response.AsFile(request, path);
                                hasOtherResponse = true;

                            }
                        }
                        else
                        {

                            success = false;
                            print.Add("Invalid Video ID or URL");

                        }
                    }
                }
                else if (arguments["operation"] == "enumerate_queue")
                {
                    string json = Downloader.GetQueue();
                    response.AsText(json, "application/json");
                    hasOtherResponse = true;

                }
                else if (arguments["operation"] == "progress")
                {
                    string json = JsonConvert.SerializeObject(Downloader.GetProgress());
                    response.AsText(json, "application/json");
                    hasOtherResponse = true;

                }
                else if (arguments["operation"] == "queue_move")
                {
                    bool containsId = arguments.ContainsKey("id");
                    bool containsIndex = arguments.ContainsKey("index");
                    if (containsId ^ containsIndex)
                    {
                        success = false;
                        print.Add("You cant use both id and index");
                    }
                    else
                    {
                        if (arguments.ContainsKey("to"))
                        {
                            string to_loc = arguments["to"];
                            if (containsId)
                                Downloader.ModQueue2(to_loc, arguments["id"]);

                            if (containsIndex)
                                Downloader.ModQueue(to_loc, arguments["index"]);
                        }
                        else
                        {
                            success = false;
                            print.Add("You must have the &quot;to&quot; variable set");
                        }
                    }
                }
                else
                {
                    success = false;
                }

            }
            if(success)
            {
                print.Add("Your request was delt with successfully");
            }
            else if(!hasOtherResponse)
            {
                response.WithCode(HttpStatusCode.BadRequest);
            }
            if (!hasOtherResponse)
            {
                response.AsText(string.Join("<br>", print));
            }
        }
        public static void RootPath(HttpListenerRequest rq, HttpListenerResponse rp, Dictionary<string, string> args)
        {
            string p = System.Web.HttpUtility.UrlDecode(args["Path"]).Split(new char[] { '?' }, StringSplitOptions.RemoveEmptyEntries)[0]; 
            string path = Path.Combine(webSitePath, p);
            if (Directory.Exists(path))
            {
                string indexHtml = Path.Combine(path, "index.html");
                if(File.Exists(indexHtml))
                {
                    path = indexHtml;
                }
                else
                {
                    string dir = Path.Combine(webSitePath,"err", "dir.html");
                    StringBuilder b = new StringBuilder();
                  var f=  Directory.GetLastWriteTime(Path.GetDirectoryName(path));
                    string parentModified = $"{f.ToShortDateString()} {f.ToShortTimeString()}";
                    b.Append($"<tr><td><a href=\"..\">Up</a></td><td>{parentModified}</td><td>DIR</td></tr>");
                    foreach (var file in Directory.GetDirectories(path))
                    {
                        string name = Path.GetFileName(file);
                        string nameUrled = System.Web.HttpUtility.UrlEncode(name);
                        string nameHtmled = System.Web.HttpUtility.HtmlEncode(name);
                       f= Directory.GetLastWriteTime(file);
                        string dateModifed =$"{f.ToShortDateString()} {f.ToShortTimeString()}";
                        b.Append($"<tr><td><a href=\"{nameUrled}\">{nameHtmled}</a></td><td>{dateModifed}</td><td>DIR</td></tr>");
                    }
                    foreach (var file in Directory.GetFiles(path))
                    {
                        string name = Path.GetFileName(file);
                        string nameUrled = System.Web.HttpUtility.UrlEncode(name);
                        string nameHtmled = System.Web.HttpUtility.HtmlEncode(name);
                         f = File.GetLastWriteTime(file); 
                        
                        string dateModifed = $"{f.ToShortDateString()} {f.ToShortTimeString()}";
                        b.Append($"<tr><td><a href=\"{nameUrled}\">{nameHtmled}</a></td><td>{dateModifed}</td><td>FILE</td></tr>");
                    }
                    Dictionary<string, string> templating = new Dictionary<string, string>();
                    templating.Add("Items", b.ToString());
                    rp.AsText(Templating.RenderFile(dir, templating));

                    return;
                }
            }
           


            rp.AsFile(rq, path);
        }
        #endregion

        public static bool Route_Before(HttpListenerRequest request, HttpListenerResponse response)
        {
            response.WithCORS();
            return false;
        }
        public static string GetServerRoot(HttpListenerRequest req)
        {
            if(req.Headers.AllKeys.Contains("ServerRoot"))
            {
                return req.Headers["ServerRoot"];
            }
            else
            {
                return $"http://{req.LocalEndPoint.ToString()}/";
            }

        }

    }
}