using Tesses.WebServer;
using Scriban;
using System.Web;
using YoutubeExplode.Search;
using System.Collections.Concurrent;
using System.Security.Cryptography;
using Newtonsoft.Json;
using System.Text;


namespace Tesses.YouTubeDownloader2025Companion;

public static partial class Pages {

    private static ReloadingScript fix_song_index = new ReloadingScript("wwwroot/components/fix-song-index.sbnhtml");
    public static string FixSongIndex(string songId, string query)
    {

        return fix_song_index.Render(new {
                Songid = HttpUtility.HtmlAttributeEncode(songId),
                Searchurl = query == "" ? "" : HttpUtility.HtmlAttributeEncode($"/search_dialog?q={HttpUtility.UrlEncode(query)}"),
                Songname = query == "" ? "" : HttpUtility.HtmlEncode(query)
        });
    }
    private static ReloadingScript index_page = new ReloadingScript("wwwroot/pages/index.sbnhtml");
    
    public static string Index(ServerContext ctx, AuthConfig cfg, Song? song, List<Artist> artists, string username)
    {
        string guid="";

        StringBuilder builder=new();

        if(song is not null)
        {
            guid = song.SongId;
            int i = 0;
            foreach (var artist in artists)
            {
                if (i == 0)
                    builder.Append($"{artist.ArtistName} - {song.SongName}");
                else if (i == 1)
                    builder.Append($" feat {artist.ArtistName}");
                else
                    builder.Append($", {artist.ArtistName}");
                i++;
            }
        }

        return Components.Shell("Home", index_page.Render(new
        {
            Videotitle = Program.VideoTitle,
            Channeltitle = Program.ChannelTitle,
            Tytdurl = cfg.TYTDUrl.TrimEnd('/'),
            Needsattention = song is not null,
            Songtitle = HttpUtility.HtmlEncode(builder.ToString()),
            Fixsong = HttpUtility.HtmlAttributeEncode($"/fix-song-index?id={HttpUtility.UrlEncode(guid)}"),
            Username = HttpUtility.HtmlEncode(username)
        }),Program.DefaultLinks(0));
    }

}