using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Dlna;
using MediaBrowser.Dlna.Profiles;
using MediaBrowser.Model.Serialization;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace MediaBrowser.Dlna
{
    public class DlnaManager : IDlnaManager
    {
        private IApplicationPaths _appPaths;
        private readonly IXmlSerializer _xmlSerializer;
        private readonly IFileSystem _fileSystem;
        private readonly IJsonSerializer _jsonSerializer;

        public DlnaManager(IXmlSerializer xmlSerializer, IFileSystem fileSystem, IJsonSerializer jsonSerializer)
        {
            _xmlSerializer = xmlSerializer;
            _fileSystem = fileSystem;
            _jsonSerializer = jsonSerializer;

            GetProfiles();
        }

        public IEnumerable<DeviceProfile> GetProfiles()
        {
            var list = new List<DeviceProfile>
            {
                new SamsungSmartTvProfile(),
                new Xbox360Profile(),
                new XboxOneProfile(),
                new SonyPs3Profile(),
                new SonyBravia2010Profile(),
                new SonyBravia2011Profile(),
                new SonyBravia2012Profile(),
                new SonyBravia2013Profile(),
                new SonyBlurayPlayer2013Profile(),
                new SonyBlurayPlayerProfile(),
                new PanasonicVieraProfile(),
                new WdtvLiveProfile(),
                new DenonAvrProfile(),
                new LinksysDMA2100Profile(),
                new LgTvProfile(),
                new Foobar2000Profile()
            };

            foreach (var item in list)
            {
                //_xmlSerializer.SerializeToFile(item, "d:\\" + _fileSystem.GetValidFilename(item.Name) + ".xml");
                //_jsonSerializer.SerializeToFile(item, "d:\\" + _fileSystem.GetValidFilename(item.Name) + ".json");
            }

            return list;
        }

        public DeviceProfile GetDefaultProfile()
        {
            return new DefaultProfile();
        }

        public DeviceProfile GetProfile(DeviceIdentification deviceInfo)
        {
            return GetProfiles().FirstOrDefault(i => IsMatch(deviceInfo, i.Identification)) ??
                GetDefaultProfile();
        }

        private bool IsMatch(DeviceIdentification deviceInfo, DeviceIdentification profileInfo)
        {
            if (!string.IsNullOrWhiteSpace(profileInfo.DeviceDescription))
            {
                if (deviceInfo.DeviceDescription == null || !Regex.IsMatch(deviceInfo.DeviceDescription, profileInfo.DeviceDescription))
                    return false;
            }

            if (!string.IsNullOrWhiteSpace(profileInfo.FriendlyName))
            {
                if (deviceInfo.FriendlyName == null || !Regex.IsMatch(deviceInfo.FriendlyName, profileInfo.FriendlyName))
                    return false;
            }

            if (!string.IsNullOrWhiteSpace(profileInfo.Manufacturer))
            {
                if (deviceInfo.Manufacturer == null || !Regex.IsMatch(deviceInfo.Manufacturer, profileInfo.Manufacturer))
                    return false;
            }

            if (!string.IsNullOrWhiteSpace(profileInfo.ManufacturerUrl))
            {
                if (deviceInfo.ManufacturerUrl == null || !Regex.IsMatch(deviceInfo.ManufacturerUrl, profileInfo.ManufacturerUrl))
                    return false;
            }

            if (!string.IsNullOrWhiteSpace(profileInfo.ModelDescription))
            {
                if (deviceInfo.ModelDescription == null || !Regex.IsMatch(deviceInfo.ModelDescription, profileInfo.ModelDescription))
                    return false;
            }

            if (!string.IsNullOrWhiteSpace(profileInfo.ModelName))
            {
                if (deviceInfo.ModelName == null || !Regex.IsMatch(deviceInfo.ModelName, profileInfo.ModelName))
                    return false;
            }

            if (!string.IsNullOrWhiteSpace(profileInfo.ModelNumber))
            {
                if (deviceInfo.ModelNumber == null || !Regex.IsMatch(deviceInfo.ModelNumber, profileInfo.ModelNumber))
                    return false;
            }

            if (!string.IsNullOrWhiteSpace(profileInfo.ModelUrl))
            {
                if (deviceInfo.ModelUrl == null || !Regex.IsMatch(deviceInfo.ModelUrl, profileInfo.ModelUrl))
                    return false;
            }

            if (!string.IsNullOrWhiteSpace(profileInfo.SerialNumber))
            {
                if (deviceInfo.SerialNumber == null || !Regex.IsMatch(deviceInfo.SerialNumber, profileInfo.SerialNumber))
                    return false;
            }

            return true;
        }

        public DeviceProfile GetProfile(IDictionary<string, string> headers)
        {
            return GetProfiles().FirstOrDefault(i => IsMatch(headers, i.Identification)) ??
                GetDefaultProfile();
        }

        private bool IsMatch(IDictionary<string, string> headers, DeviceIdentification profileInfo)
        {
            return profileInfo.Headers.Any(i => IsMatch(headers, i));
        }

        private bool IsMatch(IDictionary<string, string> headers, HttpHeaderInfo header)
        {
            string value;

            if (headers.TryGetValue(header.Name, out value))
            {
                switch (header.Match)
                {
                    case HeaderMatchType.Equals:
                        return string.Equals(value, header.Value, StringComparison.OrdinalIgnoreCase);
                    case HeaderMatchType.Substring:
                        return value.IndexOf(header.Value, StringComparison.OrdinalIgnoreCase) != -1;
                    case HeaderMatchType.Regex:
                        return Regex.IsMatch(value, header.Value, RegexOptions.IgnoreCase);
                    default:
                        throw new ArgumentException("Unrecognized HeaderMatchType");
                }
            }

            return false;
        }
    }
}