using System;
using System.Collections.Generic;
using System.ServiceModel.Syndication;
using System.Text.RegularExpressions;
using Ninject;
using NzbDrone.Common;
using NzbDrone.Core.Model;
using NzbDrone.Core.Providers.Core;

namespace NzbDrone.Core.Providers.Indexer
{
    public class NzbsOrg : IndexerBase
    {
        [Inject]
        public NzbsOrg(HttpProvider httpProvider, ConfigProvider configProvider)
            : base(httpProvider, configProvider)
        {
        }

        protected override string[] Urls
        {
            get
            {
                return new[]
                                   {
                                       string.Format("http://nzbs.org/rss.php?type=1&i={0}&h={1}&num=50&dl=1", 
                                       _configProvider.NzbsOrgUId, _configProvider.NzbsOrgHash)
                                   };
            }
        }

        public override bool IsConfigured
        {
            get
            {
                return !string.IsNullOrWhiteSpace(_configProvider.NzbsOrgUId) &&
                       !string.IsNullOrWhiteSpace(_configProvider.NzbsOrgHash);
            }
        }

        protected override IList<string> GetEpisodeSearchUrls(string seriesTitle, int seasonNumber, int episodeNumber)
        {
            var searchUrls = new List<String>();

            foreach (var url in Urls)
            {
                searchUrls.Add(String.Format("{0}&action=search&q={1}+{2}+{3:00}", url, seriesTitle, seasonNumber, episodeNumber));
            }

            return searchUrls;
        }

        protected override IList<string> GetDailyEpisodeSearchUrls(string seriesTitle, DateTime date)
        {
            var searchUrls = new List<String>();

            foreach (var url in Urls)
            {
                searchUrls.Add(String.Format("{0}&action=search&q={1}+{2:yyyy.MM.dd}", url, seriesTitle, date));
            }

            return searchUrls;
        }

        protected override IList<string> GetSeasonSearchUrls(string seriesTitle, int seasonNumber)
        {
            var searchUrls = new List<String>();

            foreach (var url in Urls)
            {
                searchUrls.Add(String.Format("{0}&action=search&q={1}+Season", url, seriesTitle));
                searchUrls.Add(String.Format("{0}&action=search&q={1}+S{2:00}", url, seriesTitle, seasonNumber));
            }

            return searchUrls;
        }

        protected override IList<string> GetPartialSeasonSearchUrls(string seriesTitle, int seasonNumber, int episodeWildcard)
        {
            var searchUrls = new List<String>();

            foreach (var url in Urls)
            {
                searchUrls.Add(String.Format("{0}&action=search&q={1}+S{2:00}E{3}",
                url, seriesTitle, seasonNumber, episodeWildcard));
            }

            return searchUrls;
        }

        public override string Name
        {
            get { return "Nzbs.org"; }
        }

        protected override string NzbDownloadUrl(SyndicationItem item)
        {
            return item.Id;
        }

        protected override EpisodeParseResult CustomParser(SyndicationItem item, EpisodeParseResult currentResult)
        {
            if (currentResult != null)
            {
                var sizeString = Regex.Match(item.Summary.Text, @">\d+\.\d{1,2} \w{2}</a>", RegexOptions.IgnoreCase).Value;
                currentResult.Size = Parser.GetReportSize(sizeString);
            }
            
            return currentResult;
        }
    }
}