using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Threading.Tasks;
using DotNetTools.SharpGrabber.Grabbed;
using DotNetTools.SharpGrabber;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using DotNetTools.SharpGrabber.Converter;

namespace WebAPI
{
    public class Program
    {
        public static void Main(string[] args)
        {
            CreateHostBuilder(args).Build().Run();
        }

        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureWebHostDefaults(webBuilder =>
                {
                    webBuilder.UseStartup<Startup>();
                });
    }
    //public static class Program
    //{
    //    private static readonly HttpClient Client = new HttpClient();
    //    private static readonly HashSet<string> TempFiles = new HashSet<string>();

    //    public static async Task Main(string[] args)
    //    {
    //        var grabber = GrabberBuilder.New()
    //            .UseDefaultServices()
    //            .AddYouTube()
    //            .Build();

    //        Console.WriteLine("Enter FFMPEG path:");
    //        var ffmpegPath = Console.ReadLine().Trim();
    //        FFmpeg.AutoGen.ffmpeg.RootPath = ffmpegPath;

    //        Console.WriteLine("Enter a YouTube URL:");
    //        var url = Console.ReadLine();
    //        if (url == null)
    //            return;

    //        var result = await grabber.GrabAsync(new Uri(url, UriKind.Absolute));

    //        var audioStream = ChooseMonoMedia(result, MediaChannels.Audio);
    //        //var videoStream = ChooseMonoMedia(result, MediaChannels.Video);
    //        if (audioStream == null)
    //            throw new InvalidOperationException("No audio stream detected.");
    //        //if (videoStream == null)
    //        //    throw new InvalidOperationException("No video stream detected.");

    //        try
    //        {
    //            var audioPath = await DownloadMedia(audioStream, result);
    //            //var videoPath = await DownloadMedia(videoStream, result);
    //            GenerateOutputFile(audioPath);
    //        }
    //        finally
    //        {
    //            foreach (var tempFile in TempFiles)
    //            {
    //                try
    //                {
    //                    File.Delete(tempFile);
    //                }
    //                catch (Exception)
    //                {
    //                    // ignored
    //                }
    //            }
    //        }
    //    }

    //    private static void GenerateOutputFile(string audioPath)
    //    {
    //        Console.WriteLine("Output Path:");
    //        var outputPath = Console.ReadLine();
    //        if (string.IsNullOrWhiteSpace(outputPath))
    //            throw new Exception("No output path is specified.");
    //        var merger = new MediaMerger(outputPath);
    //        merger.AddStreamSource(audioPath, MediaStreamType.Audio);
    //        //merger.AddStreamSource(videoPath, MediaStreamType.Video);
    //        merger.OutputMimeType = "audio/mp3";//videoStream.Format.Mime;
    //        merger.OutputShortName = "mp3";//videoStream.Format.Extension;

    //        merger.Build();
    //        Console.WriteLine($"Output file successfully created.");
    //    }

    //    private static GrabbedMedia ChooseMonoMedia(GrabResult result, MediaChannels channel)
    //    {
    //        var resources = result.Resources<GrabbedMedia>()
    //            .Where(m => m.Channels == channel)
    //            .ToList();

    //        if (resources.Count == 0)
    //            return null;

    //        for (var i = 0; i < resources.Count; i++)
    //        {
    //            var resource = resources[i];
    //            Console.WriteLine($"{i}. {resource.Title ?? resource.FormatTitle ?? resource.Resolution}");
    //        }

    //        while (true)
    //        {
    //            Console.Write($"Choose the {channel} file: ");
    //            var choiceStr = Console.ReadLine();
    //            if (!int.TryParse(choiceStr, out var choice))
    //            {
    //                Console.WriteLine("Number expected.");
    //                continue;
    //            }

    //            if (choice < 0 || choice >= resources.Count)
    //            {
    //                Console.WriteLine("Invalid number.");
    //                continue;
    //            }

    //            return resources[choice];
    //        }
    //    }

    //    private static async Task<string> DownloadMedia(GrabbedMedia media, IGrabResult grabResult)
    //    {
    //        Console.WriteLine("Downloading {0}...", media.Title ?? media.FormatTitle ?? media.Resolution);
    //        Console.WriteLine(media.ResourceUri);
    //        Client.Timeout=TimeSpan.FromSeconds(200);
    //        using var response = await Client.GetAsync(media.ResourceUri);
    //        response.EnsureSuccessStatusCode();
    //        using var downloadStream = await response.Content.ReadAsStreamAsync();
    //        using var resourceStream = await grabResult.WrapStreamAsync(downloadStream);
    //        var path = Path.GetTempFileName();

    //        using var fileStream = new FileStream(path, FileMode.Create);
    //        TempFiles.Add(path);
    //        await resourceStream.CopyToAsync(fileStream);
    //        return path;
    //    }
    //}
}