using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Newtonsoft.Json;
using Tesses.WebServer;
using System.Net;
using YoutubeExplode.Videos;
using System.Linq;
using System.IO;
using System.Text;
using YoutubeExplode.Playlists;
using YoutubeExplode.Channels;
using Tesses.Extensions;
using YoutubeExplode.Videos.Streams;
using Tesses.WebServer.Swagme;

namespace Tesses.Extensions
{
    
    public static class Extensions
    {
        public static string Substring(this string value,string str)
        {
            return value.Substring(str.Length);
        }
        public static async Task RedirectBackAsync(this ServerContext ctx)
        {
            await ctx.SendTextAsync("<script>history.back()</script>\n");
        }
    }
}

namespace Tesses.YouTubeDownloader.Server
{

 using Tesses.YouTubeDownloader;

internal class EventSender
{
    DateTime lastScan = DateTime.Now;
    TimeSpan ts;
    public EventSender(TimeSpan interval)
    {
        this.ts = interval;
    }
    public bool CanScan 
    {
        get{
            return DateTime.Now - lastScan >= ts;
        }
    }
    
    public void SendEvent(Action action)
    {
        if(CanScan)
        {
            lastScan = DateTime.Now;
            action();
        }
    }
    public void Sent()
    {
        lastScan = DateTime.Now;
    }
}

internal static class B64
{
    public static string Base64UrlEncodes(string arg)
    {
        return Base64UrlEncode(System.Text.Encoding.UTF8.GetBytes(arg));
    }

    public static string Base64Encode(byte[] arg)
    {
        return Convert.ToBase64String(arg);
    }
    public static byte[] Base64Decode(string arg)
    {
        return Convert.FromBase64String(arg);
    }

    public static string Base64Encodes(string arg)
    {
        return Base64Encode(System.Text.Encoding.UTF8.GetBytes(arg));
    }

    public  static string Base64UrlEncode(byte[] arg)
    {
        string s = Convert.ToBase64String(arg); // Regular base64 encoder
        s = s.Split('=')[0]; // Remove any trailing '='s
        s = s.Replace('+', '-'); // 62nd char of encoding
        s = s.Replace('/', '_'); // 63rd char of encoding
        return s;
    }
    public static string Base64Decodes(string arg)
    {
        return System.Text.Encoding.UTF8.GetString(Base64Decode(arg));
    }
    public static string Base64UrlDecodes(string arg)
    {
        return System.Text.Encoding.UTF8.GetString(Base64UrlDecode(arg));
    }
    public static byte[] Base64UrlDecode(string arg)
    {
        string s = arg;
        s = s.Replace('-', '+'); // 62nd char of encoding
        s = s.Replace('_', '/'); // 63rd char of encoding
        switch (s.Length % 4) // Pad with trailing '='s
        {
            case 0: break; // No pad chars in this case
            case 2: s += "=="; break; // Two pad chars
            case 3: s += "="; break; // One pad char
            default: throw new System.Exception(
              "Illegal base64url string!");
        }
        return Convert.FromBase64String(s); // Standard base64 decoder
    }

}

    internal class ApiV1Server : Tesses.WebServer.Server
    {
        IDownloader downloader1;

        public ApiV1Server(IDownloader dl)
        {
            downloader1=dl;
        }

        public override async Task GetAsync(ServerContext ctx)
        {
            string path=ctx.UrlAndQuery;

            if(path.StartsWith("/AddPlaylistRes/"))
            {     string id_res=path.Substring(16);
                 string[] id_res_split = id_res.Split(new char[] {'/'},2,StringSplitOptions.RemoveEmptyEntries);
                 if(id_res_split.Length ==2)
                 {
                     int num;
                     if(int.TryParse(id_res_split[0],out num))
                     {
                         if(num < 0) num=1;
                         if(num > 3) num=1;

                         await downloader1.AddPlaylistAsync(id_res_split[1],(Resolution)num);
                     }
                 }
            }
             if(path.StartsWith("/AddChannelRes/"))
            {     string id_res=path.Substring(15);
                 string[] id_res_split = id_res.Split(new char[] {'/'},2,StringSplitOptions.RemoveEmptyEntries);
                 if(id_res_split.Length ==2)
                 {
                     int num;
                     if(int.TryParse(id_res_split[0],out num))
                     {
                         if(num < 0) num=1;
                         if(num > 3) num=1;

                         await downloader1.AddChannelAsync(id_res_split[1],(Resolution)num);
                     }
                 }
            }
            
            if(path.StartsWith("/AddChannel/"))
            {
                 await downloader1.AddChannelAsync(path.Substring(12),Resolution.PreMuxed);
                     
            }
            if(path.StartsWith("/AddPlaylist/"))
            {
                 await downloader1.AddPlaylistAsync(path.Substring(13),Resolution.PreMuxed);
                     
            }
            if(path.StartsWith("/AddVideoRes/"))
            {     string id_res=path.Substring(13);
                 string[] id_res_split = id_res.Split(new char[] {'/'},2,StringSplitOptions.RemoveEmptyEntries);
                 if(id_res_split.Length ==2)
                 {
                     int num;
                     if(int.TryParse(id_res_split[0],out num))
                     {
                         if(num < 0) num=1;
                         if(num > 3) num=1;

                         await downloader1.AddVideoAsync(id_res_split[1],(Resolution)num);
                     }
                 }
            }

            if(path.StartsWith("/AddVideo/"))
            {
                      //string id_res=path.Substring(12);
                 //string[] id_res_split = id_res.Split(new char[] {'/'},2,StringSplitOptions.RemoveEmptyEntries);
                 //if(id_res_split.Length ==2)
                 //{
                     
                         await downloader1.AddVideoAsync(path.Substring(10),Resolution.PreMuxed);
                     
                // }
                // await ctx.SendTextAsync(
               // $"<html><head><titleYou Will Be Redirected in 5 Sec</title><meta http-equiv=\"Refresh\" content=\"5; url='../'\" /></head><body><h1>You Will Be Redirected in 5 Sec</h1></body></html>\n"
            //);
            
            }
            if(path.StartsWith("/AddItemRes/"))
            {
                       string id_res=path.Substring(12);
                 string[] id_res_split = id_res.Split(new char[] {'/'},2,StringSplitOptions.RemoveEmptyEntries);
                 if(id_res_split.Length ==2)
                 {
                     int num;
                     if(int.TryParse(id_res_split[0],out num))
                     {
                         if(num < 0) num=1;
                         if(num > 3) num=1;

                         await downloader1.AddItemAsync(id_res_split[1],(Resolution)num);
                     }
                 }
                // await ctx.SendTextAsync(
               // $"<html><head><titleYou Will Be Redirected in 5 Sec</title><meta http-equiv=\"Refresh\" content=\"5; url='../'\" /></head><body><h1>You Will Be Redirected in 5 Sec</h1></body></html>\n"
            //);
            
            }
             if(path.StartsWith("/AddItem/"))
            {
                       //string id_res=path.Substring(12);
                 //string[] id_res_split = id_res.Split(new char[] {'/'},2,StringSplitOptions.RemoveEmptyEntries);
                 //if(id_res_split.Length ==2)
                 //{
                     
                         await downloader1.AddItemAsync(path.Substring(9),Resolution.PreMuxed);
                     
                // }
                // await ctx.SendTextAsync(
               // $"<html><head><titleYou Will Be Redirected in 5 Sec</title><meta http-equiv=\"Refresh\" content=\"5; url='../'\" /></head><body><h1>You Will Be Redirected in 5 Sec</h1></body></html>\n"
            //);
            
            }
            if(path.StartsWith("/AddUserRes/"))
            {
                       string id_res=path.Substring(12);
                 string[] id_res_split = id_res.Split(new char[] {'/'},2,StringSplitOptions.RemoveEmptyEntries);
                 if(id_res_split.Length ==2)
                 {
                     int num;
                     if(int.TryParse(id_res_split[0],out num))
                     {
                         if(num < 0) num=1;
                         if(num > 3) num=1;

                         await downloader1.AddUserAsync(id_res_split[1],(Resolution)num);
                     }
                 }
                // await ctx.SendTextAsync(
               // $"<html><head><titleYou Will Be Redirected in 5 Sec</title><meta http-equiv=\"Refresh\" content=\"5; url='../'\" /></head><body><h1>You Will Be Redirected in 5 Sec</h1></body></html>\n"
            //);
            
            }
             if(path.StartsWith("/AddUser/"))
            {
                       //string id_res=path.Substring(12);
                 //string[] id_res_split = id_res.Split(new char[] {'/'},2,StringSplitOptions.RemoveEmptyEntries);
                 //if(id_res_split.Length ==2)
                 //{
                     
                         await downloader1.AddUserAsync(path.Substring(9),Resolution.PreMuxed);
                     
                // }
                // await ctx.SendTextAsync(
               // $"<html><head><titleYou Will Be Redirected in 5 Sec</title><meta http-equiv=\"Refresh\" content=\"5; url='../'\" /></head><body><h1>You Will Be Redirected in 5 Sec</h1></body></html>\n"
            //);
            
            }
            if(path.StartsWith("/AddFile/"))
            {
                       //string id_res=path.Substring(12);
                 //string[] id_res_split = id_res.Split(new char[] {'/'},2,StringSplitOptions.RemoveEmptyEntries);
                 //if(id_res_split.Length ==2)
                 //{
                     
                         await downloader1.AddFileAsync(path.Substring(9));
                     
                // }
                // await ctx.SendTextAsync(
               // $"<html><head><titleYou Will Be Redirected in 5 Sec</title><meta http-equiv=\"Refresh\" content=\"5; url='../'\" /></head><body><h1>You Will Be Redirected in 5 Sec</h1></body></html>\n"
            //);
            
            }
           await ctx.RedirectBackAsync();
        }
    }
    internal class ApiStorage : Tesses.WebServer.Server
    {
        ITYTDBase baseCtl;
        public ApiStorage(ITYTDBase baseCtl)
        {
            this.baseCtl=baseCtl;

        }
        public static System.Net.Mime.ContentDisposition GetVideoContentDisposition(string name)
        {
            var cd = new System.Net.Mime.ContentDisposition();
            string filename = GetVideoName(name);
            cd.FileName = filename;
            cd.DispositionType =  System.Net.Mime.DispositionTypeNames.Inline;
            
            return cd;
        }
        public static string GetVideoName(string name)
        {
            
            

            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 override async Task GetAsync(ServerContext ctx)
        {
            string path=ctx.UrlAndQuery;
            /*if(path.StartsWith("/File/NotConverted/"))
            {
                // redirect to new
                // /File/NotConverted/xxxxxxxxxxx.mp4
                string idmp4=WebUtility.UrlDecode(path.Substring(19));
                if(idmp4.Length == 15)
                {
                    string id=Path.GetFileNameWithoutExtension(idmp4);
                    string path2 = $"Info/{id}.json";
                    
                if(!await baseCtl.FileExistsAsync(path2))
                 {
                    await NotFoundServer.ServerNull.GetAsync(ctx);
                    return;
                 } var data= await baseCtl.ReadAllTextAsync(path2);
                var data2=JsonConvert.DeserializeObject<SavedVideo>(data);
              var loc=  await BestStreams.GetPathResolution(baseCtl,data2,Resolution.PreMuxed);
                
                if(!await baseCtl.FileExistsAsync(loc))
                {
                    await NotFoundServer.ServerNull.GetAsync(ctx);
                    return;
                }
                using(var s = await baseCtl.OpenReadAsyncWithLength(loc))
                {
                    await ctx.SendStreamAsync(s,HeyRed.Mime.MimeTypesMap.GetMimeType(loc));
                }

                }
            }
            else if(path.StartsWith("/File/Converted/"))
            {
                // redirect to new
                // /File/NotConverted/xxxxxxxxxxx.mp4
                string idmp4=WebUtility.UrlDecode(path.Substring(16));
                if(idmp4.Length == 15)
                {
                    string id=Path.GetFileNameWithoutExtension(idmp4);
                    string path2 = $"Info/{id}.json";
                    
                if(!await baseCtl.FileExistsAsync(path2))
                 {
                    await NotFoundServer.ServerNull.GetAsync(ctx);
                    return;
                 } var data= await baseCtl.ReadAllTextAsync(path2);
                var data2=JsonConvert.DeserializeObject<SavedVideo>(data);
              var loc=  await BestStreams.GetPathResolution(baseCtl,data2,Resolution.Mux);
                
                if(!await baseCtl.FileExistsAsync(loc))
                {
                    await NotFoundServer.ServerNull.GetAsync(ctx);
                    return;
                }
                using(var s = await baseCtl.OpenReadAsyncWithLength(loc))
                {
                    await ctx.SendStreamAsync(s,HeyRed.Mime.MimeTypesMap.GetMimeType(loc));
                }

                }
            }
           else if(path.StartsWith("/File/Audio/"))
            {
                // redirect to new
                // /File/NotConverted/xxxxxxxxxxx.mp4
                string idmp4=WebUtility.UrlDecode(path.Substring(12));
                if(idmp4.Length == 15)
                {
                    string id=Path.GetFileNameWithoutExtension(idmp4);
                    string path2 = $"Info/{id}.json";
                    
                if(!await baseCtl.FileExistsAsync(path2))
                 {
                    await NotFoundServer.ServerNull.GetAsync(ctx);
                    return;
                 } var data= await baseCtl.ReadAllTextAsync(path2);
                var data2=JsonConvert.DeserializeObject<SavedVideo>(data);
              var loc=  await BestStreams.GetPathResolution(baseCtl,data2,Resolution.AudioOnly);
                
                if(!await baseCtl.FileExistsAsync(loc))
                {
                    await NotFoundServer.ServerNull.GetAsync(ctx);
                    return;
                }
                using(var s = await baseCtl.OpenReadAsyncWithLength(loc))
                {
                    await ctx.SendStreamAsync(s,HeyRed.Mime.MimeTypesMap.GetMimeType(loc));
                }

                }
            }
            else if(path.StartsWith("/File/Info/"))
            {
                 string idjson=WebUtility.UrlDecode(path.Substring(11));
                 string path2 = $"Info/{idjson}";
                 if(!await baseCtl.FileExistsAsync(path2))
                 {
                    await NotFoundServer.ServerNull.GetAsync(ctx);
                    return;
                 }
                 var data= await baseCtl.ReadAllTextAsync(path2);
                var data2=JsonConvert.DeserializeObject<SavedVideo>(data);
                await ctx.SendJsonAsync(data2.ToLegacy());
            }
            else*/
            if(path.StartsWith("/File/DownloadsInfo/"))
            {
                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/File/DownloadsInfo/")));
                string url = B64.Base64UrlDecodes(file);
                if(baseCtl.DownloadExists(url))
                {
                    var obj=await baseCtl.GetDownloadInfoAsync(url);
                   await ctx.SendJsonAsync(obj);
                }else{
                    ctx.StatusCode = 404;
                    ctx.NetworkStream.Close();
                }
            }
            else if(path.StartsWith("/File/FileInfo/"))
            {
                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/File/FileInfo/")));
                string url = B64.Base64UrlDecodes(file);
                if(baseCtl.DownloadExists(url))
                {
                    var obj=await baseCtl.GetDownloadInfoAsync(url);
                   await ctx.SendJsonAsync(obj);
                }else{
                    ctx.StatusCode = 404;
                    ctx.NetworkStream.Close();
                }
            }
            else if(path.StartsWith("/File/Info/"))
            {
                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/File/Info/")));
                VideoId? id =VideoId.TryParse(file);
                if(id.HasValue && baseCtl.VideoInfoExists(id.Value))
                {
                   var obj=await baseCtl.GetVideoInfoAsync(id.Value);
                   await ctx.SendJsonAsync(obj);
                }else{
                    ctx.StatusCode = 404;
                    ctx.NetworkStream.Close();
                }
            }else if(path.StartsWith("/File/Playlist/"))
            {
                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/File/Playlist/")));
                PlaylistId? id =PlaylistId.TryParse(file);
                if(id.HasValue && baseCtl.PlaylistInfoExists(id.Value))
                {
                   var obj=await baseCtl.GetPlaylistInfoAsync(id.Value);
                   await ctx.SendJsonAsync(obj);
                }else{
                    ctx.StatusCode = 404;
                    ctx.NetworkStream.Close();
                }
            }else if(path.StartsWith("/File/Channel/"))
            {
                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/File/Channel/")));
                ChannelId? id =ChannelId.TryParse(file);
                if(id.HasValue && baseCtl.ChannelInfoExists(id.Value))
                {
                    
                   var obj=await baseCtl.GetChannelInfoAsync(id.Value);
                   await ctx.SendJsonAsync(obj);
                }else{
                    ctx.StatusCode = 404;
                    ctx.NetworkStream.Close();
                }
            }else if(path.StartsWith("/File/StreamInfo/"))
            {
                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/File/Info/")));
                VideoId? id =VideoId.TryParse(file);
                if(id.HasValue && baseCtl.BestStreamInfoExists(id.Value))
                {
                   var obj=await baseCtl.GetBestStreamInfoAsync(id.Value);
                   await ctx.SendJsonAsync(obj);
                }else{
                    ctx.StatusCode = 404;
                    ctx.NetworkStream.Close();
                }
            }
            else if(path.StartsWith("/File/"))
            {
                string file=WebUtility.UrlDecode(path.Substring(6));
                if(!await baseCtl.FileExistsAsync(file))
                {
                    await NotFoundServer.ServerNull.GetAsync(ctx);
                    return;
                }
                using(var s = await baseCtl.OpenReadAsync(file))
                {
                    await ctx.SendStreamAsync(s);
                }
            }/*else if(path.StartsWith("/File-v2/"))
            {
                string file=WebUtility.UrlDecode(path.Substring(9));
                if(!await baseCtl.FileExistsAsync(file))
                {
                    await NotFoundServer.ServerNull.GetAsync(ctx);
                    return;
                }
                 using(var s = await baseCtl.OpenReadAsyncWithLength(file))
                {
                    await ctx.SendStreamAsync(s);
                }
            }*/
            if(path.StartsWith("/GetFiles/DownloadsInfo") || path.StartsWith("/GetFiles/DownloadsInfo/"))
            {
                List<string> urls=new List<string>();
                await foreach(var url in baseCtl.GetDownloadUrlsAsync())
                {
                    urls.Add($"{TYTDBase.HashDownloadUrl(url)}.json");
                }
                 await ctx.SendJsonAsync(urls);
            }
            else if(path.StartsWith("/GetFiles/FileInfo") || path.StartsWith("/GetFiles/FileInfo/"))
            {
                List<string> urls=new List<string>();
                await foreach(var url in baseCtl.GetDownloadUrlsAsync())
                {
                    urls.Add($"{B64.Base64UrlEncodes(url)}.json");
                }
                 await ctx.SendJsonAsync(urls);
            }
            else if(path.StartsWith("/GetFiles/Info") || path.StartsWith("/GetFiles/Info/") || path.StartsWith("/GetFiles/StreamInfo") || path.StartsWith("/GetFiles/StreamInfo/"))
            {
                bool containsStrmInfo=path.Contains("StreamInfo");
                List<string> items=new List<string>();
                await foreach(var vid in baseCtl.GetVideoIdsAsync())
                {
                    var vid2=VideoId.TryParse(vid);
                    
                    if(!containsStrmInfo || (vid2.HasValue && baseCtl.BestStreamInfoExists(vid2.Value))){
                        items.Add($"{vid}.json");
                    }
                }
                await ctx.SendJsonAsync(items);
            }else if(path.StartsWith("/GetFiles/Playlist") || path.StartsWith("/GetFiles/Playlist/"))
            {
                
                List<string> items=new List<string>();
                await foreach(var vid in baseCtl.GetPlaylistIdsAsync())
                {
                    items.Add($"{vid}.json");
                }
                await ctx.SendJsonAsync(items);
            }else if(path.StartsWith("/GetFiles/Channel") || path.StartsWith("/GetFiles/Channel/"))
            {
                List<string> items=new List<string>();
                await foreach(var vid in baseCtl.GetChannelIdsAsync())
                {
                    items.Add($"{vid}.json");
                }
                await ctx.SendJsonAsync(items);
            }
            else if(path.StartsWith("/GetFiles/"))
            {
              await ctx.SendJsonAsync(baseCtl.EnumerateFiles( WebUtility.UrlDecode(path.Substring(10))).ToList());
            }
            else if(path.StartsWith("/GetDirectories/"))
            {
                 await ctx.SendJsonAsync(baseCtl.EnumerateDirectories( WebUtility.UrlDecode(path.Substring(16))).ToList());
            }
             else if(path.StartsWith("/FileExists/StreamInfo/"))
            {
                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/FileExists/StreamInfo/")));
                VideoId? id =VideoId.TryParse(file);
                if(id.HasValue && baseCtl.BestStreamInfoExists(id.Value))
                {
                    await ctx.SendTextAsync( "true","text/plain");
                }else{
                    await ctx.SendTextAsync( "false","text/plain");
                }
            }
            else if(path.StartsWith("/FileExists/DownloadsInfo/"))
            {
                 string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/FileExists/DownloadsInfo/")));
                 await foreach(var item in baseCtl.GetDownloadUrlsAsync())
                 {
                     if(TYTDBase.HashDownloadUrl(item) == file)
                     {
                        await ctx.SendTextAsync( "true","text/plain");
                        return;
                     }
                 }
                await ctx.SendTextAsync( "false","text/plain");
                
            }
            else if(path.StartsWith("/FileExists/FileInfo/"))
            {
                 string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/FileExists/FileInfo/")));
                string url = B64.Base64Decodes(file);
                
                if(baseCtl.DownloadExists(url))
                {
                    await ctx.SendTextAsync( "true","text/plain");
                }else{
                    await ctx.SendTextAsync( "false","text/plain");
                }
            }
            else if(path.StartsWith("/FileExists/Info/"))
            {
                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/FileExists/Info/")));
                VideoId? id =VideoId.TryParse(file);
                if(id.HasValue && baseCtl.VideoInfoExists(id.Value))
                {
                    await ctx.SendTextAsync( "true","text/plain");
                }else{
                    await ctx.SendTextAsync( "false","text/plain");
                }
            } else if(path.StartsWith("/FileExists/Playlist/"))
            {
                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/FileExists/Playlist/")));
                PlaylistId? id =PlaylistId.TryParse(file);
                if(id.HasValue && baseCtl.PlaylistInfoExists(id.Value))
                {
                    await ctx.SendTextAsync( "true","text/plain");
                }else{
                    await ctx.SendTextAsync( "false","text/plain");
                }
            }else if(path.StartsWith("/FileExists/Channel/"))
            {
                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/FileExists/Channel/")));
                ChannelId? id =ChannelId.TryParse(file);
                if(id.HasValue && baseCtl.ChannelInfoExists(id.Value))
                {
                    await ctx.SendTextAsync( "true","text/plain");
                }else{
                    await ctx.SendTextAsync( "false","text/plain");
                }
            }
            else if(path.StartsWith("/FileExists/"))
            {
                await ctx.SendTextAsync(baseCtl.FileExists(WebUtility.UrlDecode(path.Substring(12))) ? "true" : "false","text/plain");
            }else if(path.StartsWith("/DirectoryExists/"))
            {
                 await ctx.SendTextAsync(baseCtl.DirectoryExists(WebUtility.UrlDecode(path.Substring(17))) ? "true" : "false","text/plain");
            }else if(path.StartsWith("/Download/"))
            {
                string url = path.Substring("/Download/");
                if(baseCtl.DownloadExists(url) && baseCtl.DownloadFileExists(url))
                {
                            var v = await baseCtl.GetDownloadInfoAsync(url);
                           string header=GetVideoContentDisposition(v.Title).ToString();
                           ctx.ResponseHeaders.Add("Content-Disposition",header);
                            using(var strm = await baseCtl.OpenReadAsync(baseCtl.GetDownloadFile(url)))
                            {
                                await ctx.SendStreamAsync(strm,HeyRed.Mime.MimeTypesMap.GetMimeType(v.Title));
                            }
                }
            }
            else if(path.StartsWith("/Video/"))
            {
                
                string id=path.Substring(7);
                VideoId? id1=VideoId.TryParse(id);
                if(id1.HasValue){
                    if(baseCtl.VideoInfoExists(id1.Value))
                    {
                        //Console.WriteLine("Id exists");
                        SavedVideo v = await baseCtl.GetVideoInfoAsync(id1.Value);
                        
                      string path0=  await BestStreams.GetPathResolution(baseCtl,v,Resolution.PreMuxed);
                      
                       if(!string.IsNullOrWhiteSpace(path0))
                       {
                           
                           //Console.WriteLine("F is not null");
                           string filename = $"{v.Title}-{Path.GetFileName(path0)}";
                           string header=GetVideoContentDisposition(filename).ToString();
                           ctx.ResponseHeaders.Add("Content-Disposition",header);
                            using(var strm = await baseCtl.OpenReadAsync(path0))
                            {
                                await ctx.SendStreamAsync(strm,HeyRed.Mime.MimeTypesMap.GetMimeType(filename));
                            }
                       }
                    }
                }

            }
            else if(path.StartsWith("/VideoRes/"))
            {
                 string id_res=path.Substring(10);
                 string[] id_res_split = id_res.Split(new char[] {'/'},2,StringSplitOptions.RemoveEmptyEntries);
                 if(id_res_split.Length ==2)
                 {
                     int num;
                     if(int.TryParse(id_res_split[0],out num))
                     {
                         if(num < 0) num=1;
                         if(num > 3) num=1;

                       
                        
                       

                     VideoId? id1=VideoId.TryParse(id_res_split[1]);
                if(id1.HasValue){
                    if(baseCtl.VideoInfoExists(id1.Value))
                    {
                        //Console.WriteLine("Id exists");
                        SavedVideo v = await baseCtl.GetVideoInfoAsync(id1.Value);
                        
                      string path0=  await BestStreams.GetPathResolution(baseCtl,v,(Resolution)num);
                      
                       if(!string.IsNullOrWhiteSpace(path0))
                       {
                           
                           //Console.WriteLine("F is not null");
                           string filename = $"{v.Title}-{Path.GetFileName(path0)}";
                           string header=GetVideoContentDisposition(filename).ToString();
                           ctx.ResponseHeaders.Add("Content-Disposition",header);
                            using(var strm = await baseCtl.OpenReadAsync(path0))
                            {
                                await ctx.SendStreamAsync(strm,HeyRed.Mime.MimeTypesMap.GetMimeType(filename));
                            }
                       }
                    }
                }
                     }
                 }
            }
            else if(path.StartsWith("/Watch/"))
            {
                
                string id=path.Substring(7);
                VideoId? id1=VideoId.TryParse(id);
                if(id1.HasValue){
                    int i=0;
                    alt:
                    if(i>= 10)
                    {
                        ctx.StatusCode=500;
                        
                        return;
                    }
                    if(baseCtl.VideoInfoExists(id1.Value))
                    {

                        //Console.WriteLine("Id exists");
                        SavedVideo v = await baseCtl.GetVideoInfoAsync(id1.Value);
                     var res=   await BestStreamInfo.GetBestStreams(baseCtl,id1.Value);
                      string path0=  await BestStreams.GetPathResolution(baseCtl,v,Resolution.PreMuxed);
                      
                       if(!string.IsNullOrWhiteSpace(path0) && baseCtl.VideoInfoExists(id1.Value))
                       {
                           
                           //Console.WriteLine("F is not null");
                           string filename = $"{v.Title}-{Path.GetFileName(path0)}";
                           string header=GetVideoContentDisposition(filename).ToString();
                           ctx.ResponseHeaders.Add("Content-Disposition",header);
                            using(var strm = await baseCtl.OpenReadAsync(path0))
                            {
                                await ctx.SendStreamAsync(strm,HeyRed.Mime.MimeTypesMap.GetMimeType(filename));
                            }
                       }else{
                           //stream to browser
                           string url=res.MuxedStreamInfo.Url;
                            var b = baseCtl as TYTDStorage;
                            if(b != null)
                            {
                               
                                string filename = $"{v.Title}-{Path.GetFileName(path0)}";
                           string header=GetVideoContentDisposition(filename).ToString();
                           ctx.ResponseHeaders.Add("Content-Disposition",header);
                            using( var strm=await b.YoutubeClient.Videos.Streams.GetAsync(res.MuxedStreamInfo))
                            {
                                await ctx.SendStreamAsync(strm,HeyRed.Mime.MimeTypesMap.GetMimeType(filename));
                            }
                            }else{
                                 ctx.StatusCode=500;
                                return;
                            }
                       }
                    }else{
                         var b = baseCtl as TYTDStorage;
                            if(b != null)
                            {
                                var videoInfo=await b.YoutubeClient.Videos.GetAsync(id1.Value);
                                await b.WriteVideoInfoAsync(new SavedVideo(videoInfo));
                            }else{
                                 ctx.StatusCode=500;
                                return;
                            }
                        i++;
                        goto alt;
                    }
                    
                }

            }
            else if(path.StartsWith("/WatchRes/"))
            {
                  string id_res=path.Substring(10);
                 string[] id_res_split = id_res.Split(new char[] {'/'},2,StringSplitOptions.RemoveEmptyEntries);
                 if(id_res_split.Length ==2)
                 {
                     int num;
                     if(int.TryParse(id_res_split[0],out num))
                     {
                         if(num < 0) num=1;
                         if(num > 3) num=1;
                     VideoId? id1=VideoId.TryParse(id_res_split[1]);

                if(id1.HasValue){
                    int i=0;
                    alt:
                    if(i>= 10)
                    {
                        ctx.StatusCode=500;
                        
                        return;
                    }
                    if(baseCtl.VideoInfoExists(id1.Value))
                    {

                        //Console.WriteLine("Id exists");
                        SavedVideo v = await baseCtl.GetVideoInfoAsync(id1.Value);
                     var res=   await BestStreamInfo.GetBestStreams(baseCtl,id1.Value);
                      string path0=  await BestStreams.GetPathResolution(baseCtl,v,(Resolution)num);
                      
                       if(!string.IsNullOrWhiteSpace(path0) && baseCtl.VideoInfoExists(id1.Value))
                       {
                           
                           //Console.WriteLine("F is not null");
                           string filename = $"{v.Title}-{Path.GetFileName(path0)}";
                           string header=GetVideoContentDisposition(filename).ToString();
                           ctx.ResponseHeaders.Add("Content-Disposition",header);
                            using(var strm = await baseCtl.OpenReadAsync(path0))
                            {
                                await ctx.SendStreamAsync(strm,HeyRed.Mime.MimeTypesMap.GetMimeType(filename));
                            }
                       }else{
                           //stream to browser
                           
                            var b = baseCtl as TYTDStorage;
                            if(b != null)
                            {
                               
                                string filename = $"{v.Title}-{Path.GetFileName(path0)}";
                           string header=GetVideoContentDisposition(filename).ToString();
                           ctx.ResponseHeaders.Add("Content-Disposition",header);
                            IStreamInfo info=res.MuxedStreamInfo;
                            if(num == 2)
                            {
                                info = res.AudioOnlyStreamInfo;
                            }else if(num == 3){
                                info = res.VideoOnlyStreamInfo;
                            }

                            using( var strm=await b.YoutubeClient.Videos.Streams.GetAsync(info))
                            {
                                await ctx.SendStreamAsync(strm,HeyRed.Mime.MimeTypesMap.GetMimeType(filename));
                            }
                            }else{
                                 ctx.StatusCode=500;
                                return;
                            }
                       }
                    }else{
                         var b = baseCtl as TYTDStorage;
                            if(b != null)
                            {
                                var videoInfo=await b.YoutubeClient.Videos.GetAsync(id1.Value);
                                await b.WriteVideoInfoAsync(new SavedVideo(videoInfo));
                            }else{
                                 ctx.StatusCode=500;
                                return;
                            }
                        i++;
                        goto alt;
                    }
                    
                }

                }
                 }
            }
            else{
                await NotFoundServer.ServerNull.GetAsync(ctx);
            }
        }
    }
    internal class ApiV2Server
    {
        public SwagmeServer Swagme {get;private set;}=new SwagmeServer();
        IDownloader Downloader;
        public ApiV2Server(IDownloader downloader)
        {
                Swagme.AbsoluteUrl=true;

                this.Downloader=downloader;
                /*Adding items*/
                AddBoth("/AddVideo",AddVideo,new SwagmeDocumentation("/AddVideo?v=jNQXAC9IVRw&res=PreMuxed","Add youtube video","v: Video Id Or encodeUriComponent Url<br>res: NoDownload=Do not download clip but just info, Mux=Requires conversion, PreMuxed=Does not require conversion, AudioOnly=Best audio only, VideoOnly=Best video only"),"Adding items");
                AddBoth("/AddPlaylist",AddPlaylist,new SwagmeDocumentation("/AddPlaylist?id=PLgXAgLm6Kre7M3c8G2OlQTG-PETLHs4Vd&res=PreMuxed","Add youtube playlist","id: Playlist Id Or encodeUriComponent Url<br>res: NoDownload=Do not download clip but just info, Mux=Requires conversion, PreMuxed=Does not require conversion, AudioOnly=Best audio only, VideoOnly=Best video only"),"Adding items");
                AddBoth("/AddChannel",AddChannel,new SwagmeDocumentation("/AddChannel?id=UC4QobU6STFB0P71PMvOGN5A&res=PreMuxed","Add youtube channel","id: YouTube Channel Id Or encodeUriComponent Url<br>res: NoDownload=Do not download clip but just info, Mux=Requires conversion, PreMuxed=Does not require conversion, AudioOnly=Best audio only, VideoOnly=Best video only"),"Adding items");
                AddBoth("/AddUser",AddUser,new SwagmeDocumentation("/AddUser?id=jawed&res=PreMuxed","Add youtube user","id: YouTube Channel Name Or encodeUriComponent Url<br>res: NoDownload=Do not download clip but just info, Mux=Requires conversion, PreMuxed=Does not require conversion, AudioOnly=Best audio only, VideoOnly=Best video only"),"Adding items");
                AddBoth("/AddSlug",AddSlug,new SwagmeDocumentation("/AddSlug?id=https%3A%2F%2Fwww.youtube.com%2Fc%2FLinusTechTips&res=PreMuxed","Add youtube channel by slug","id: YouTube Channel with slug Or encodeUriComponent Url<br>res: NoDownload=Do not download clip but just info, Mux=Requires conversion, PreMuxed=Does not require conversion, AudioOnly=Best audio only, VideoOnly=Best video only"),"Adding items");
                AddBoth("/AddHandle",AddHandle,new SwagmeDocumentation("/AddHandle?id=@tesses50&res=PreMuxed","Add youtube channel by handle","id: YouTube Channel with handle Or encodeUriComponent Url<br>res: NoDownload=Do not download clip but just info, Mux=Requires conversion, PreMuxed=Does not require conversion, AudioOnly=Best audio only, VideoOnly=Best video only"),"Adding items");
              
                AddBoth("/AddItem",AddItem,new SwagmeDocumentation("/AddItem?v=jNQXAC9IVRw&res=PreMuxed","Add any type of item","v: Media Id Or encodeUriComponent Url<br>res: NoDownload=Do not download clip but just info, Mux=Requires conversion, PreMuxed=Does not require conversion, AudioOnly=Best audio only, VideoOnly=Best video only"),"Adding items");
                AddBoth("/AddFile",AddFile,new SwagmeDocumentation("/AddFile?url=https%3A%2F%2Ftesses.cf%2Fimages%2Frvl.jpg&download=true","Add normal file download","url: Url to file<br>download: whether to download file"),"Adding items");
                /*Getting status*/
                AddBoth("/event",Event,new SwagmeDocumentation("Server sent events","Returns events with json"),"Getting status");
                AddBoth("/Progress",ProgressFunc,new SwagmeDocumentation("Get video progress","<a href=\"https://tesses.net/apps/tytd/2022/progress.php\">More Info</a>"),"Getting status");
                AddBoth("/QueueList",QueueList,new SwagmeDocumentation("Get items in Queue","<a href=\"https://tesses.net/apps/tytd/2022/queuels.php\">More Info</a>"),"Getting status");

                /*Subscriptions*/
                AddBoth("/Subscribe",Subscribe,new SwagmeDocumentation("/Subscribe?id=UC4QobU6STFB0P71PMvOGN5A&conf=NotifyAndDownload","Subscribe to youtuber","id: Channel Id<br>conf: DoNothing=Disable, GetInfo=Just Get info, Notify=Bell event, Download=Download video no bell event, NotifyAndDownload=Download video with bell event"),"Subscriptions");
                AddBoth("/subscribe",Subscribe,new SwagmeDocumentation("/subscribe?id=UC4QobU6STFB0P71PMvOGN5A&conf=NotifyAndDownload","Subscribe to youtuber","id: Channel Id<br>conf: DoNothing=Disable, GetInfo=Just Get info, Notify=Bell event, Download=Download video no bell event, NotifyAndDownload=Download video with bell event"),"Subscriptions");
                AddBoth("/Resubscribe",Resubscribe,new SwagmeDocumentation("/Resubscribe?id=UC4QobU6STFB0P71PMvOGN5A&conf=Download","Change subscription settings","id: Channel Id<br>conf: DoNothing=Disable, GetInfo=Just Get info, Notify=Bell event, Download=Download video no bell event, NotifyAndDownload=Download video with bell event"),"Subscriptions");
                AddBoth("/resubscribe",Resubscribe,new SwagmeDocumentation("/resubscribe?id=UC4QobU6STFB0P71PMvOGN5A&conf=Download","Change subscription settings","id: Channel Id<br>conf: DoNothing=Disable, GetInfo=Just Get info, Notify=Bell event, Download=Download video no bell event, NotifyAndDownload=Download video with bell event"),"Subscriptions");
                AddBoth("/Unsubscribe",Unsubscribe,new SwagmeDocumentation("/Unsubscribe?id=UC4QobU6STFB0P71PMvOGN5A","Unsubscribe from youtuber","id: Channel Id"),"Subscriptions");
                AddBoth("/unsubscribe",Unsubscribe,new SwagmeDocumentation("/unsubscribe?id=UC4QobU6STFB0P71PMvOGN5A","Unsubscribe from youtuber","id: Channel Id"),"Subscriptions");
                AddBoth("/Subscriptions",Subscriptions,new SwagmeDocumentation("Get subscriptions","Returned Json array<br>&emsp;Id: Channel Id<br>&emsp;BellInfo: 0=DoNothing, 1=GetInfo, 3=Notify, 5=Download, 7=NotifyAndDownload"),"Subscriptions");
                AddBoth("/subscriptions",Subscriptions,new SwagmeDocumentation("Get subscriptions","Returned Json array<br>&emsp;Id: Channel Id<br>&emsp;BellInfo: 0=DoNothing, 1=GetInfo, 3=Notify, 5=Download, 7=NotifyAndDownload"),"Subscriptions");
             

                /*Personal Lists*/
                AddBoth("/AddToList",AddToList,new SwagmeDocumentation("/AddToList?name=SomeList&v=jNQXAC9IVRw&res=PreMuxed","Add item to personal list","NOTE, this will create list if not created<br>name: Name of personal list<br><b>Works on GET and POST</b><hr>v: VideoId<br>res: NoDownload=Do not download clip but just info, Mux=Requires conversion, PreMuxed=Does not require conversion, AudioOnly=Best audio only, VideoOnly=Best video only<br><b>Works only on POST</b><hr>data: Json Array with objects with entries:<br>&emsp;Id: VideoId<br>&emsp;Resolution: -1=NoDownload, 0=Mux, 1=PreMuxed, 2=AudioOnly, 3=VideoOnly"),"Personal Lists");
                Swagme.Add("/ReplaceList",ReplaceList,new SwagmeDocumentation("/ReplaceList","Replace personal list's contents","name: Name of personal playlist<br>data: Json Array with objects with entries:<br>&emsp;Id: VideoId<br>&emsp;Resolution: -1=NoDownload, 0=Mux, 1=PreMuxed, 2=AudioOnly, 3=VideoOnly"),"POST","Personal Lists");
                AddBoth("/SetResolutionInList",SetResolutionInList,new SwagmeDocumentation("/SetResolutionInList?name=SomeList&v=jNQXAC9IVRw&res=Mux","Set resolution for item in personal list","name: Name of personal playlist<br>name: Name of personal list<br>v: VideoId<br>res: NoDownload=Do not download clip but just info, Mux=Requires conversion, PreMuxed=Does not require conversion, AudioOnly=Best audio only, VideoOnly=Best video only"),"Personal Lists");
                AddBoth("/DeleteFromList",DeleteFromList,new SwagmeDocumentation("/DeleteFromList?name=SomeList&v=jNQXAC9IVRw","Remove item from personal list","name: Name of personal list<br>id: Video Id"),"Personal Lists");
                AddBoth("/DeleteList",DeleteList,new SwagmeDocumentation("/DeleteList?name=SomeList","Remove personal list","name: Name of personal playlist"),"Personal Lists");
                
                /*Searching*/
                AddBoth("/Search",Search,new SwagmeDocumentation("/Search?q=Demi%20Lovato","Search youtube","q: search query<br>getinfo: whether to fetch info as well"),"Searching");
               
               /*Exporting*/
                Swagme.Add("/export/everything.json",Everything_Export,new SwagmeDocumentation("Everything","<a href=\"https://tesses.net/apps/tytd/2022/export/everything.php\">More Info</a>"),"GET","Exporting");
                Swagme.Add("/export/videos.json",VideosExport,new SwagmeDocumentation("Videos","<a href=\"https://tesses.net/apps/tytd/2022/export/videos.php\">More Info</a>"),"GET","Exporting");
                Swagme.Add("/export/playlists.json",PlaylistsExport,new SwagmeDocumentation("Playlists","<a href=\"https://tesses.net/apps/tytd/2022/export/playlists.php\">More Info</a>"),"GET","Exporting");
                Swagme.Add("/export/channels.json",ChannelsExport,new SwagmeDocumentation("Channels","<a href=\"https://tesses.net/apps/tytd/2022/export/channels.php\">More Info</a>"),"GET","Exporting");
                Swagme.Add("/export/filedownloads.json",FilesExport,new SwagmeDocumentation("File Downloads","<a href=\"https://tesses.net/apps/tytd/2022/export/filedownloads.php\">More Info</a>"),"GET","Exporting");
                Swagme.Add("/export/subscriptions.json",SubscriptionsExport,new SwagmeDocumentation("Subscriptions","<a href=\"https://tesses.net/apps/tytd/2022/export/subscriptions.php\">More Info</a>"),"GET","Exporting");
                Swagme.Add("/export/personal_lists.json",PersonalListsExport,new SwagmeDocumentation("Personal Lists","<a href=\"https://tesses.net/apps/tytd/2022/export/personallists.php\">More Info</a>"),"GET","Exporting");
                /*Other*/
                 AddBoth("/extra_data.json",ExtraData,new SwagmeDocumentation("Get extra info about downloader","Get extra data such as TYTD Tag, item count in queue and tytd version"));

                 AddBoth("/CancelDownload",Cancel,new SwagmeDocumentation("/CancelDownload?restart=true","Cancel or Restart download","restart:<br>&emsp;true: Restart download<br>&emsp;false: Cancel Download"));
                 AddBoth("/Thumbnail",Thumbnail,new SwagmeDocumentation("/Thumbnail?v=PzUKeGZiEl0&res=maxresdefault","Get Thumbnail for video","v: Video Id<br>res: YouTube Thumbnail Resolution <a href=\"https://www.binarymoon.co.uk/2014/03/using-youtube-thumbnails/\">List of resolutions</a>"),"Other");
                /*
                public async Task AddToPersonalPlaylistAsync(string name, IEnumerable<(VideoId Id, Resolution Resolution)> items)
        {
            throw new NotImplementedException();
        }

        public async Task ReplacePersonalPlaylistAsync(string name, IEnumerable<(VideoId Id, Resolution Resolution)> items)
        {
            throw new NotImplementedException();
        }

        public async Task RemoveItemFromPersonalPlaylistAsync(string name, VideoId id)
        {
            throw new NotImplementedException();
        }

        public async Task SetResolutionForItemInPersonalPlaylistAsync(string name, VideoId id, Resolution resolution)
        {
            throw new NotImplementedException();
        }*/
        }
        public async Task Thumbnail(ServerContext ctx)
        {
            string v="";
            string res="";
            VideoId? id=null;
            ITYTDBase baseCtl = Downloader as ITYTDBase; 
            if(ctx.QueryParams.TryGetFirst("v",out v) && ctx.QueryParams.TryGetFirst("res",out res) && (id=VideoId.TryParse(v)).HasValue && baseCtl != null)
            {
                await ctx.SendBytesAsync(await baseCtl.ReadThumbnailAsync(id.Value,res),"image/jpg");
            }else{
                await ctx.SendTextAsync("Expected v=YouTubeVideoId\r\nres=a youtube thumbnail resolution\r\nAnd Downloader must implement ITYTDBase","text/plain");
            }
            
        }
        public async Task ExtraData(ServerContext ctx)
        {
           var twebserverVersion = ctx.GetType().Assembly.GetName().Version.ToString();
           var tytdserverversion= this.GetType().Assembly.GetName().Version.ToString();
           
           ExtraData data=Downloader.GetExtraData();
           data.TessesWebServerVersion=twebserverVersion;
            data.TYTDServerVersion=tytdserverversion;
           await ctx.SendJsonAsync(data);
        }
        public async Task Event(ServerContext ctx)
        {
              double interval=0;
              string intervalStr;
              if(ctx.QueryParams.TryGetFirst("interval",out intervalStr))
              {
                    if(!double.TryParse(intervalStr,out interval)) interval=0;
              }

              IStorage storage=Downloader as IStorage;
                if(storage != null){
                
                var _p=Downloader.GetProgress();
                    long len = _p.Length;
                    bool first=true;
                    
                    SendEvents evts=new SendEvents();
                    storage.VideoStarted += (sender,e)=>
                    {
                        len=e.EstimatedLength;
                        ProgressItem p=new ProgressItem();
                        p.StartEvent=true;
                        p.StopEvent=false;
                        p.BellEvent=false;
                        p.ErrorEvent=false;
                        p.Length=e.EstimatedLength;
                        p.Percent=0;
                       
                        p.Video=e.VideoInfo;
                         evts.SendEvent(p);
                    };

                    EventSender s = new EventSender(TimeSpan.FromSeconds(interval));
                    storage.VideoProgress += (sender,e)=>{
                        bool wasFirst= first;
                        ProgressItem p=new ProgressItem();
                        p.StartEvent=false;
                        p.StopEvent=false;
                        p.Length=len;
                        p.Percent=e.Progress;
                        p.BellEvent=false;
                        p.ErrorEvent=false;
                        if(first)
                            p.Video=e.VideoInfo;
                        
                        first=false;
                        if(wasFirst || s.CanScan)
                        {
                            s.Sent();
                            evts.SendEvent(p);
                        }

                        
                    };
                    storage.VideoFinished +=(sender,e)=>{
                        ProgressItem p=new ProgressItem();
                        p.StartEvent=false;
                        p.StopEvent=true;
                        p.BellEvent=false;
                        p.ErrorEvent=false;
                        p.Length=len;
                        p.Percent=1;
                        p.Video=e.VideoInfo;
                        evts.SendEvent(p);
                    };
                    storage.Error += (sender,e)=>{
                         ProgressItem p=new ProgressItem();
                        p.StartEvent=false;
                        p.StopEvent=false;
                        p.BellEvent=false;
                        p.ErrorEvent=true;
                        p.Length=0;
                        p.Percent=0;
                        p.Error=e.Exception.ToString();
                        p.Message = e.Exception.Message;
                        p.Id = e.Id;
                        p.ExceptionName = e.Exception.GetType().FullName;
                        evts.SendEvent(p);
                    };
                    storage.Bell += (sender,e)=>{
                         ProgressItem p=new ProgressItem();
                        p.StartEvent=false;
                        p.StopEvent=false;
                        p.BellEvent=true;
                        p.ErrorEvent=false;
                        p.Length=0;
                        p.Percent=0;
                        p.Id=e.Id.Value;
                         evts.SendEvent(p);
                    };
                    ctx.ServerSentEvents(evts);
                }else{
                    await ctx.SendTextAsync("Error no IStorage");
                }
                    
        }
        private async Task Cancel(ServerContext ctx)
        {
            bool restart=false;
            string restartString="false";
            if(ctx.QueryParams.TryGetFirst("restart",out restartString))
            {
                if(!bool.TryParse(restartString,out restart))
                {
                    restart=false;
                }
            }
            Downloader.CancelDownload(restart);
            await ctx.RedirectBackAsync();
        }

        private async Task Search(ServerContext ctx)
        {
            var dl = Downloader as IStorage;
            string q;
            if(ctx.QueryParams.TryGetFirst("q",out q))
            {
                bool getInfoBool=false;
                string getInfo;
                if(ctx.QueryParams.TryGetFirst("getinfo",out getInfo))
                {
                    if(!bool.TryParse(getInfo,out getInfoBool)) getInfoBool=false;
                }
                List<SearchResult> results=new List<SearchResult>();
                await foreach(var vid in dl.SearchYouTubeAsync(q,getInfoBool))
                {
                    results.Add(vid);
                }
                if(getInfoBool)
                {
                    dl.WaitTillMediaContentQueueEmpty();
                }
                await ctx.SendJsonAsync(results);
            }
        }

        private void AddBoth(string url,HttpActionAsync action,SwagmeDocumentation documentation,string group="Other")
        {
            Swagme.Add(url,action,documentation,method:"GET",group:group);
            Swagme.Add(url,async(evt)=>{
                evt.ParseBody();
                await action(evt);
            },documentation,method:"POST",group:group);
        }
        public async Task DeleteList(ServerContext ctx)
        {
            //this is for personal playlists
              string name;
            if(ctx.QueryParams.TryGetFirst("name",out name)){
                Downloader.DeletePersonalPlaylist(name);
               
                //Downloader.AddToPersonalPlaylistAsync(name);

            }
            await ctx.RedirectBackAsync();
        }
        public async Task ReplaceList(ServerContext ctx)
        {
            ctx.ParseBody();
            //this is for personal playlists
            string name;
            if(ctx.QueryParams.TryGetFirst("name",out name)){
                string jsonData;
                List<ListContentItem> itemList;
                if(ctx.QueryParams.TryGetFirst("data",out jsonData))
                {
                     itemList = JsonConvert.DeserializeObject<List<ListContentItem>>(jsonData);
                    
                     await Downloader.ReplacePersonalPlaylistAsync(name,itemList);

          
                }
               
                //Downloader.AddToPersonalPlaylistAsync(name);

            }
             await ctx.RedirectBackAsync();
        }
        public async Task Everything_Export(ServerContext ctx)
        {
            var storage = Downloader as TYTDStorage;
            if(storage != null)
            {
                if(storage.GetLoggerProperties().AllowExport)
                {
                    TYTDExporter exporter=new TYTDExporter(storage);
                    var res=await exporter.ExportEverythingAsync();
                    await ctx.SendJsonAsync(res);
                }else{
                    ctx.StatusCode=403;
                    await ctx.SendTextAsync("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Can't Export, Access Denied</title></head><body><h1>Can't Export, Access Denied</h1><p>Call the TYTD adminstrator if you are not the administrator to edit the following</p><hr><p>In file: <i><b>config/tytdprop.json</b></i>, unless overriden in code<br>Change <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">false</font> with <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">true</font></p></body></html>");
                }
            }
        }
        public async Task VideosExport(ServerContext ctx)
        {
            var storage = Downloader as TYTDStorage;
            if(storage != null)
            {
                if(storage.GetLoggerProperties().AllowExport)
                {
                    TYTDExporter exporter=new TYTDExporter(storage);
                    var res=await exporter.ExportVideosAsync();
                    await ctx.SendJsonAsync(res);
                }else{
                    ctx.StatusCode=403;
                    await ctx.SendTextAsync("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Can't Export, Access Denied</title></head><body><h1>Can't Export, Access Denied</h1><p>Call the TYTD adminstrator if you are not the administrator to edit the following</p><hr><p>In file: <i><b>config/tytdprop.json</b></i>, unless overriden in code<br>Change <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">false</font> with <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">true</font></p></body></html>");
                }
            }
        }
        public async Task PlaylistsExport(ServerContext ctx)
        {
            var storage = Downloader as TYTDStorage;
            if(storage != null)
            {
                if(storage.GetLoggerProperties().AllowExport)
                {
                    TYTDExporter exporter=new TYTDExporter(storage);
                    var res=await exporter.ExportPlaylistsAsync();
                    await ctx.SendJsonAsync(res);
                }else{
                    ctx.StatusCode=403;
                    await ctx.SendTextAsync("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Can't Export, Access Denied</title></head><body><h1>Can't Export, Access Denied</h1><p>Call the TYTD adminstrator if you are not the administrator to edit the following</p><hr><p>In file: <i><b>config/tytdprop.json</b></i>, unless overriden in code<br>Change <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">false</font> with <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">true</font></p></body></html>");
                }
            }
        }
        public async Task ChannelsExport(ServerContext ctx)
        {
            var storage = Downloader as TYTDStorage;
            if(storage != null)
            {
                if(storage.GetLoggerProperties().AllowExport)
                {
                    TYTDExporter exporter=new TYTDExporter(storage);
                    var res=await exporter.ExportChannelsAsync();
                    await ctx.SendJsonAsync(res);
                }else{
                    ctx.StatusCode=403;
                    await ctx.SendTextAsync("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Can't Export, Access Denied</title></head><body><h1>Can't Export, Access Denied</h1><p>Call the TYTD adminstrator if you are not the administrator to edit the following</p><hr><p>In file: <i><b>config/tytdprop.json</b></i>, unless overriden in code<br>Change <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">false</font> with <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">true</font></p></body></html>");
                }
            }
        }
        public async Task FilesExport(ServerContext ctx)
        {
            var storage = Downloader as TYTDStorage;
            if(storage != null)
            {
                if(storage.GetLoggerProperties().AllowExport)
                {
                    TYTDExporter exporter=new TYTDExporter(storage);
                    var res=await exporter.ExportDownloadsAsync();
                    await ctx.SendJsonAsync(res);
                }else{
                    ctx.StatusCode=403;
                    await ctx.SendTextAsync("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Can't Export, Access Denied</title></head><body><h1>Can't Export, Access Denied</h1><p>Call the TYTD adminstrator if you are not the administrator to edit the following</p><hr><p>In file: <i><b>config/tytdprop.json</b></i>, unless overriden in code<br>Change <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">false</font> with <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">true</font></p></body></html>");
                }
            }
        }
        public async Task SubscriptionsExport(ServerContext ctx)
        {
            var storage = Downloader as TYTDStorage;
            if(storage != null)
            {
                if(storage.GetLoggerProperties().AllowExport)
                {
                    TYTDExporter exporter=new TYTDExporter(storage);
                    var res=await exporter.ExportSubscriptionsAsync();
                    await ctx.SendJsonAsync(res);
                }else{
                    ctx.StatusCode=403;
                    await ctx.SendTextAsync("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Can't Export, Access Denied</title></head><body><h1>Can't Export, Access Denied</h1><p>Call the TYTD adminstrator if you are not the administrator to edit the following</p><hr><p>In file: <i><b>config/tytdprop.json</b></i>, unless overriden in code<br>Change <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">false</font> with <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">true</font></p></body></html>");
                }
            }
        }
        public async Task PersonalListsExport(ServerContext ctx)
        {
            var storage = Downloader as TYTDStorage;
            if(storage != null)
            {
                if(storage.GetLoggerProperties().AllowExport)
                {
                    TYTDExporter exporter=new TYTDExporter(storage);
                    var res=await exporter.ExportPersonalPlaylistsAsync();
                    await ctx.SendJsonAsync(res);
                }else{
                    ctx.StatusCode=403;
                    await ctx.SendTextAsync("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Can't Export, Access Denied</title></head><body><h1>Can't Export, Access Denied</h1><p>Call the TYTD adminstrator if you are not the administrator to edit the following</p><hr><p>In file: <i><b>config/tytdprop.json</b></i>, unless overriden in code<br>Change <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">false</font> with <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">true</font></p></body></html>");
                }
            }
        }
        public async Task AddToList(ServerContext ctx)
        {
            
            //this is for personal playlists
            string name;
            if(ctx.QueryParams.TryGetFirst("name",out name)){
                string jsonData;
                List<ListContentItem> itemList;
                if(ctx.Method == "POST" && ctx.QueryParams.TryGetFirst("data",out jsonData))
                {
                     itemList = JsonConvert.DeserializeObject<List<ListContentItem>>(jsonData);
                    
                }else{
                    itemList=new List<ListContentItem>();
                    string id;
            
            if(ctx.QueryParams.TryGetFirst("v",out id))
            {
               
                Resolution resolution=Resolution.PreMuxed;
                string res;
                if(ctx.QueryParams.TryGetFirst("res",out res))
                {
                    if(!Enum.TryParse<Resolution>(res,out resolution))
                    {
                        resolution=Resolution.PreMuxed;
                    }
                }
                VideoId? id1=VideoId.TryParse(id);
                if(id1.HasValue)
                { 
                    itemList.Add(new ListContentItem(id1,resolution));
                   
                }
            }                        
          
                }
                await Downloader.AddToPersonalPlaylistAsync(name,itemList);

                //Downloader.AddToPersonalPlaylistAsync(name);

            }
             await ctx.RedirectBackAsync();
        }
        public async Task DeleteFromList(ServerContext ctx)
        {
            //this is for personal playlists
            string name;
            if(ctx.QueryParams.TryGetFirst("name",out name)){
            string id;
            
            if(ctx.QueryParams.TryGetFirst("v",out id))
            {
                VideoId? id1=VideoId.TryParse(id);
                if(id1.HasValue)
                { 
                    await Downloader.RemoveItemFromPersonalPlaylistAsync(name,id1.Value);
                }
            }
            }
           await ctx.RedirectBackAsync();
        }
         public async Task SetResolutionInList(ServerContext ctx)
        {
            //this is for personal playlists
            string name;
            if(ctx.QueryParams.TryGetFirst("name",out name)){
            string id;
            
            if(ctx.QueryParams.TryGetFirst("v",out id))
            {
                 Resolution resolution=Resolution.PreMuxed;
                string res;
                if(ctx.QueryParams.TryGetFirst("res",out res))
                {
                    if(!Enum.TryParse<Resolution>(res,out resolution))
                    {
                        resolution=Resolution.PreMuxed;
                    }
                }
                VideoId? id1=VideoId.TryParse(id);
                if(id1.HasValue)
                { 
                    await Downloader.SetResolutionForItemInPersonalPlaylistAsync(name,id1.Value,resolution);
                }
            }
            }
            await ctx.RedirectBackAsync();
        }
        public async Task Subscriptions(ServerContext ctx)
        {
            IStorage storage = Downloader as IStorage;
            if(storage != null)
            {
               
                        
                var sub=storage.GetLoadedSubscriptions();
                await ctx.SendJsonAsync(sub);
                     
                 
            }
           await ctx.RedirectBackAsync();
        }
        public async Task Resubscribe(ServerContext ctx)
                {
            IStorage storage = Downloader as IStorage;
            if(storage != null)
            {
                string id;

                 if(ctx.QueryParams.TryGetFirst("id",out id))
                 {
                    
                     string confstr;
                     ChannelBellInfo conf=ChannelBellInfo.NotifyAndDownload;
                    if(ctx.QueryParams.TryGetFirst("conf",out confstr))
                    {
                        if(!Enum.TryParse<ChannelBellInfo>(confstr,out conf))
                        {
                            conf = ChannelBellInfo.NotifyAndDownload;
                        }
                    }
                    
                     ChannelId? cid=ChannelId.TryParse(id);

                     if(cid.HasValue)
                     {
                        
                         await storage.ResubscribeAsync(cid.Value,conf);
                     }
                 }
            }
           await ctx.RedirectBackAsync();
        }

        public async Task Unsubscribe(ServerContext ctx)
        {
        IStorage storage = Downloader as IStorage;
            if(storage != null)
            {
                string id;

                 if(ctx.QueryParams.TryGetFirst("id",out id))
                 {
                    
                    
                    
                     ChannelId? cid=ChannelId.TryParse(id);

                     if(cid.HasValue)
                     {
                        
                         storage.Unsubscribe(cid.Value);
                         
                     }
                 }
            }
            await ctx.RedirectBackAsync();
        }
        public async Task Subscribe(ServerContext ctx)
        {
            IStorage storage = Downloader as IStorage;
            if(storage != null)
            {
                string id;

                 if(ctx.QueryParams.TryGetFirst("id",out id))
                 {
                     string confstr;
                     ChannelBellInfo conf=ChannelBellInfo.NotifyAndDownload;
                    if(ctx.QueryParams.TryGetFirst("conf",out confstr))
                    {
                        if(!Enum.TryParse<ChannelBellInfo>(confstr,out conf))
                        {
                            conf = ChannelBellInfo.NotifyAndDownload;
                        }
                    }
                    
                     ChannelId? cid=ChannelId.TryParse(id);

                     if(cid.HasValue)
                     {
                        
                         await storage.SubscribeAsync(cid.Value,conf);
                     }else{
                        UserName? uname=UserName.TryParse(id);
                        await storage.SubscribeAsync(uname.Value,conf);

                     }
                 }
            }
            await ctx.RedirectBackAsync();
        }
       
        public async Task QueueList(ServerContext ctx)
        {
            await ctx.SendJsonAsync(Downloader.GetQueueList());
        }
        public async Task ProgressFunc(ServerContext ctx)
        {
            await ctx.SendJsonAsync(Downloader.GetProgress());
        }
        public async Task AddFile(ServerContext ctx)
        {
            string url;
            string downloadStr;
            bool download=true;
            if(ctx.QueryParams.TryGetFirst("url",out url))
            {
                if(ctx.QueryParams.TryGetFirst("download",out downloadStr))
                {
                    bool dl;
                    if(bool.TryParse(downloadStr,out dl))
                    {
                        download=dl;
                    }
                }

                await Downloader.AddFileAsync(url,download);
                await ctx.RedirectBackAsync();
            }
        }
         public async Task AddVideo(ServerContext ctx)
        {
            string id;
            
            if(ctx.QueryParams.TryGetFirst("v",out id))
            {
               
                Resolution resolution=Resolution.PreMuxed;
                string res;
                if(ctx.QueryParams.TryGetFirst("res",out res))
                {
                    if(!Enum.TryParse<Resolution>(res,out resolution))
                    {
                        resolution=Resolution.PreMuxed;
                    }
                }
                VideoId? id1=VideoId.TryParse(id);
                if(id1.HasValue)
                { 
                    
                    await Downloader.AddVideoAsync(id1.Value,resolution);
                }
            }                        
           await ctx.RedirectBackAsync();
        }    
        public async Task AddItem(ServerContext ctx)
        {
            string id;
            if(ctx.QueryParams.TryGetFirst("v",out id))
            {
                Resolution resolution=Resolution.PreMuxed;
                string res;
                if(ctx.QueryParams.TryGetFirst("res",out res))
                {
                    if(!Enum.TryParse<Resolution>(res,out resolution))
                    {
                        resolution=Resolution.PreMuxed;
                    }
                }
             
                    await Downloader.AddItemAsync(id,resolution);
                
            }                        
            await ctx.RedirectBackAsync();
        }    
        public async Task AddUser(ServerContext ctx)
        {
            string id;
            if(ctx.QueryParams.TryGetFirst("id",out id))
            {
                Resolution resolution=Resolution.PreMuxed;
                string res;
                if(ctx.QueryParams.TryGetFirst("res",out res))
                {
                    if(!Enum.TryParse<Resolution>(res,out resolution))
                    {
                        resolution=Resolution.PreMuxed;
                    }
                }
                UserName? id1=UserName.TryParse(id);
                if(id1.HasValue)
                {
                    await Downloader.AddUserAsync(id1.Value,resolution);
                }
            }                        
            await ctx.RedirectBackAsync();
        }    
          public async Task AddHandle(ServerContext ctx)
        {
            string id;
            if(ctx.QueryParams.TryGetFirst("id",out id))
            {
                Resolution resolution=Resolution.PreMuxed;
                string res;
                if(ctx.QueryParams.TryGetFirst("res",out res))
                {
                    if(!Enum.TryParse<Resolution>(res,out resolution))
                    {
                        resolution=Resolution.PreMuxed;
                    }
                }
                ChannelHandle? id1=ChannelHandle.TryParse(id);
                if(id1.HasValue)
                {
                    await Downloader.AddHandleAsync(id1.Value,resolution);
                }
            }                        
            await ctx.RedirectBackAsync();
        }
      
        public async Task AddSlug(ServerContext ctx)
        {
            string id;
            if(ctx.QueryParams.TryGetFirst("id",out id))
            {
                Resolution resolution=Resolution.PreMuxed;
                string res;
                if(ctx.QueryParams.TryGetFirst("res",out res))
                {
                    if(!Enum.TryParse<Resolution>(res,out resolution))
                    {
                        resolution=Resolution.PreMuxed;
                    }
                }
                ChannelSlug? id1=ChannelSlug.TryParse(id);
                if(id1.HasValue)
                {
                    await Downloader.AddSlugAsync(id1.Value,resolution);
                }
            }                        
            await ctx.RedirectBackAsync();
        }
        public async Task AddChannel(ServerContext ctx)
        {
            string id;
            if(ctx.QueryParams.TryGetFirst("id",out id))
            {
                Resolution resolution=Resolution.PreMuxed;
                string res;
                if(ctx.QueryParams.TryGetFirst("res",out res))
                {
                    if(!Enum.TryParse<Resolution>(res,out resolution))
                    {
                        resolution=Resolution.PreMuxed;
                    }
                }
                ChannelId? id1=ChannelId.TryParse(id);
                if(id1.HasValue)
                {
                    await Downloader.AddChannelAsync(id1.Value,resolution);
                }
            }                        
            await ctx.RedirectBackAsync();
        }    
   
            public async Task AddPlaylist(ServerContext ctx)
        {
            string id;
            if(ctx.QueryParams.TryGetFirst("id",out id))
            {
                Resolution resolution=Resolution.PreMuxed;
                string res;
                if(ctx.QueryParams.TryGetFirst("res",out res))
                {
                    if(!Enum.TryParse<Resolution>(res,out resolution))
                    {
                        resolution=Resolution.PreMuxed;
                    }
                }
                PlaylistId? id1=PlaylistId.TryParse(id);
                if(id1.HasValue)
                {
                    await Downloader.AddPlaylistAsync(id1.Value,resolution);
                }
            }                        
            await ctx.RedirectBackAsync();
        }    
   
    }
    public class TYTDServer 
    {
        /// <summary>
        /// Constructor
        /// </summary>
        /// <param name="baseCtl">TYTD context</param>
        public TYTDServer(ITYTDBase baseCtl)
        {
            ExtensionsServer=new ChangeableServer();
            RootServer=new ChangeableServer();
             MountableServer mountableServer=new MountableServer(RootServer);
            IDownloader downloader=baseCtl as IDownloader;
           
            if(downloader != null)
            {
                mountableServer.Mount("/api/",new ApiV1Server(downloader));
                mountableServer.Mount("/api/v2/",new ApiV2Server(downloader).Swagme);
            }
             mountableServer.Mount("/api/v2/Extensions/",ExtensionsServer);
             mountableServer.Mount("/api/Storage/",new ApiStorage(baseCtl));
            
            InnerServer=mountableServer;
        }
        /// <summary>
        /// To provide to tesses.webserver
        /// </summary>
        
        public IServer InnerServer {get; private set;}
        /// <summary>
        /// Set by Nuget Package Tesses.YouTubeDownloader.ExtensionLoader
        /// </summary>
        
        public ChangeableServer ExtensionsServer {get; private set;}
        /// <summary>
        /// An optional static website (recomendeded)
        /// </summary>
        
        public ChangeableServer RootServer {get;private set;}
       
        
     }
}