using System.Diagnostics;
using System.Text.Json.Serialization;
using Tesses.WebServer;
using YoutubeExplode.Videos;

namespace Tesses.YouTubeDownloader2025Companion;

public class MediaEntry {
    public string AlbumArtist {get;set;}="";

    public string AlbumName {get;set;}="";


    public string SongName {get;set;} = "";

    public string AlbumId {get;set;}="";

    public List<string> ContributingArtists {get;set;}=new List<string>();

    public string ContributingArtistsString => string.Join("; ", ContributingArtists.Select(e=>e.Replace(";","")));

    public int TrackIndex {get;set;}

    public override string ToString()
    {
        var trackIndex = TrackIndex.ToString("D2");
        return Path.Combine("data","Music",ServerContext.FixFileName(AlbumArtist),ServerContext.FixFileName(AlbumName),$"{trackIndex} {ServerContext.FixFileName(SongName)}.mp3");
    }

    public async Task<bool> ImportAsync(string srcPath)
    {
        string dest = ToString();
        if(File.Exists(dest)) return true;
        using Process p = new Process();
        p.StartInfo.FileName = "ffmpeg";
        p.StartInfo.UseShellExecute = false;
        p.StartInfo.CreateNoWindow=true;
        p.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
        p.StartInfo.ArgumentList.Add("-y");
        p.StartInfo.ArgumentList.Add("-i");
        p.StartInfo.ArgumentList.Add(srcPath);
        p.StartInfo.ArgumentList.Add("-i");
        p.StartInfo.ArgumentList.Add($"data/Thumbnails/Albums/{AlbumId}.jpg");
        p.StartInfo.ArgumentList.Add("-metadata");
        p.StartInfo.ArgumentList.Add($"artist={ContributingArtistsString}");
         p.StartInfo.ArgumentList.Add("-metadata");
        p.StartInfo.ArgumentList.Add($"album={AlbumName}");
        p.StartInfo.ArgumentList.Add("-metadata");
        p.StartInfo.ArgumentList.Add($"album_artist={AlbumArtist}");
        p.StartInfo.ArgumentList.Add("-metadata");
        p.StartInfo.ArgumentList.Add($"title={SongName}");
        p.StartInfo.ArgumentList.Add("-metadata");
        p.StartInfo.ArgumentList.Add($"track={TrackIndex}");
        p.StartInfo.ArgumentList.Add("-c:v");
        p.StartInfo.ArgumentList.Add("copy");
        p.StartInfo.ArgumentList.Add("-map");
        p.StartInfo.ArgumentList.Add("0:a");
        p.StartInfo.ArgumentList.Add("-map");
        p.StartInfo.ArgumentList.Add("1:v");
        p.StartInfo.ArgumentList.Add("-id3v2_version");
        p.StartInfo.ArgumentList.Add("3");
        p.StartInfo.ArgumentList.Add("-metadata:s:v");
        p.StartInfo.ArgumentList.Add("title=Album cover");
        p.StartInfo.ArgumentList.Add("-metadata:s:v");
        p.StartInfo.ArgumentList.Add("comment=Cover (Front)");
        
        p.StartInfo.ArgumentList.Add("data/Temp/conv.mp3");
        if(p.Start())
        {
            await p.WaitForExitAsync();
            if(p.ExitCode == 0)
            {
                string? dir=Path.GetDirectoryName(dest);
                if(!string.IsNullOrWhiteSpace(dir))
                    Directory.CreateDirectory(dir);
                File.Move("data/Temp/conv.mp3",dest);
                return true;
            }
        }
        return false;
    }
}