using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using CommonIO;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.LiveTv;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.MediaInfo;
using MediaBrowser.Model.Serialization;

namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts.SatIp
{
    //public class SatIpHost : BaseTunerHost, ITunerHost
    //{
    //    private readonly IFileSystem _fileSystem;
    //    private readonly IHttpClient _httpClient;
        
    //    public SatIpHost(IConfigurationManager config, ILogger logger, IJsonSerializer jsonSerializer, IMediaEncoder mediaEncoder, IFileSystem fileSystem, IHttpClient httpClient)
    //        : base(config, logger, jsonSerializer, mediaEncoder)
    //    {
    //        _fileSystem = fileSystem;
    //        _httpClient = httpClient;
    //    }

    //    private const string ChannelIdPrefix = "sat_";
        
    //    protected override async Task<IEnumerable<ChannelInfo>> GetChannelsInternal(TunerHostInfo tuner, CancellationToken cancellationToken)
    //    {
    //        var satInfo = (SatIpTunerHostInfo) tuner;

    //        return await new M3uParser(Logger, _fileSystem, _httpClient).Parse(satInfo.M3UUrl, ChannelIdPrefix, tuner.Id, cancellationToken).ConfigureAwait(false);
    //    }

    //    public static string DeviceType
    //    {
    //        get { return "satip"; }
    //    }

    //    public override string Type
    //    {
    //        get { return DeviceType; }
    //    }

    //    protected override async Task<List<MediaSourceInfo>> GetChannelStreamMediaSources(TunerHostInfo tuner, string channelId, CancellationToken cancellationToken)
    //    {
    //        var urlHash = tuner.Url.GetMD5().ToString("N");
    //        var prefix = ChannelIdPrefix + urlHash;
    //        if (!channelId.StartsWith(prefix, StringComparison.OrdinalIgnoreCase))
    //        {
    //            return null;
    //        }

    //        var channels = await GetChannels(tuner, true, cancellationToken).ConfigureAwait(false);
    //        var m3uchannels = channels.Cast<M3UChannel>();
    //        var channel = m3uchannels.FirstOrDefault(c => string.Equals(c.Id, channelId, StringComparison.OrdinalIgnoreCase));
    //        if (channel != null)
    //        {
    //            var path = channel.Path;
    //            MediaProtocol protocol = MediaProtocol.File;
    //            if (path.StartsWith("http", StringComparison.OrdinalIgnoreCase))
    //            {
    //                protocol = MediaProtocol.Http;
    //            }
    //            else if (path.StartsWith("rtmp", StringComparison.OrdinalIgnoreCase))
    //            {
    //                protocol = MediaProtocol.Rtmp;
    //            }
    //            else if (path.StartsWith("rtsp", StringComparison.OrdinalIgnoreCase))
    //            {
    //                protocol = MediaProtocol.Rtsp;
    //            }

    //            var mediaSource = new MediaSourceInfo
    //            {
    //                Path = channel.Path,
    //                Protocol = protocol,
    //                MediaStreams = new List<MediaStream>
    //                {
    //                    new MediaStream
    //                    {
    //                        Type = MediaStreamType.Video,
    //                        // Set the index to -1 because we don't know the exact index of the video stream within the container
    //                        Index = -1,
    //                        IsInterlaced = true
    //                    },
    //                    new MediaStream
    //                    {
    //                        Type = MediaStreamType.Audio,
    //                        // Set the index to -1 because we don't know the exact index of the audio stream within the container
    //                        Index = -1

    //                    }
    //                },
    //                RequiresOpening = false,
    //                RequiresClosing = false
    //            };

    //            return new List<MediaSourceInfo> { mediaSource };
    //        }
    //        return new List<MediaSourceInfo> { };
    //    }

    //    protected override async Task<MediaSourceInfo> GetChannelStream(TunerHostInfo tuner, string channelId, string streamId, CancellationToken cancellationToken)
    //    {
    //        var sources = await GetChannelStreamMediaSources(tuner, channelId, cancellationToken).ConfigureAwait(false);

    //        return sources.First();
    //    }

    //    protected override async Task<bool> IsAvailableInternal(TunerHostInfo tuner, string channelId, CancellationToken cancellationToken)
    //    {
    //        var updatedInfo = await SatIpDiscovery.Current.GetInfo(tuner.Url, cancellationToken).ConfigureAwait(false);

    //        return updatedInfo.TunersAvailable > 0;
    //    }

    //    protected override bool IsValidChannelId(string channelId)
    //    {
    //        return channelId.StartsWith(ChannelIdPrefix, StringComparison.OrdinalIgnoreCase);
    //    }

    //    protected override List<TunerHostInfo> GetTunerHosts()
    //    {
    //        return SatIpDiscovery.Current.DiscoveredHosts;
    //    }

    //    public string Name
    //    {
    //        get { return "Sat IP"; }
    //    }

    //    public Task<List<LiveTvTunerInfo>> GetTunerInfos(CancellationToken cancellationToken)
    //    {
    //        var list = GetTunerHosts()
    //        .SelectMany(i => GetTunerInfos(i, cancellationToken))
    //        .ToList();

    //        return Task.FromResult(list);
    //    }

    //    public List<LiveTvTunerInfo> GetTunerInfos(TunerHostInfo info, CancellationToken cancellationToken)
    //    {
    //        var satInfo = (SatIpTunerHostInfo) info;

    //        var list = new List<LiveTvTunerInfo>();

    //        for (var i = 0; i < satInfo.Tuners; i++)
    //        {
    //            list.Add(new LiveTvTunerInfo
    //            {
    //                Name = satInfo.FriendlyName ?? Name,
    //                SourceType = Type,
    //                Status = LiveTvTunerStatus.Available,
    //                Id = info.Url.GetMD5().ToString("N") + i.ToString(CultureInfo.InvariantCulture),
    //                Url = info.Url
    //            });
    //        }

    //        return list;
    //    }
    //}
}