using System.Xml.Linq;
using System.Xml;
using dy.net.model.dto;
using dy.net.model.entity;
using dy.net.storage;

namespace dy.net.utils
{
    public static class NfoContentBuilder
    {
        public static IReadOnlyDictionary<string, string> Build(DouyinVideo video, string tvShowTitle = "")
        {
            var files = new Dictionary<string, string>();
            if (video == null || video.OnlyImgOrOnlyMp3 || string.IsNullOrWhiteSpace(video.VideoSavePath)) return files;

            var directory = StoragePath.DirectoryName(video.VideoSavePath);
            var fileName = Path.GetFileNameWithoutExtension(video.VideoSavePath);
            var isSeries = video.ViedoType == VideoTypeEnum.dy_mix || video.ViedoType == VideoTypeEnum.dy_series;

            if (isSeries)
            {
                files[StoragePath.CombineRemote(directory, "tvshow.nfo")] = CreateXml(video, "tvshow", string.IsNullOrWhiteSpace(tvShowTitle) ? video.VideoTitle : tvShowTitle);
                files[StoragePath.CombineRemote(directory, fileName + ".nfo")] = CreateXml(video, "episodedetails", video.VideoTitle);
            }
            else
            {
                files[StoragePath.CombineRemote(directory, fileName + ".nfo")] = CreateXml(video, "movie", video.VideoTitle);
            }

            return files;
        }

        private static string CreateXml(DouyinVideo video, string rootName, string title)
        {
            var root = new XElement(rootName,
                new XElement("lockdata", true),
                new XElement("title", Clean(title)),
                new XElement("releasedate", video.CreateTime.ToString("yyyy-MM-dd")),
                new XElement("premiered", video.CreateTime.ToString("yyyy-MM-dd")));

            foreach (var genre in new[] { video.Tag1, video.Tag2, video.Tag3 }.Where(x => !string.IsNullOrWhiteSpace(x)))
                root.Add(new XElement("genre", Clean(genre)));

            if (!string.IsNullOrWhiteSpace(video.Author))
            {
                root.Add(new XElement("actor",
                    new XElement("name", Clean(video.Author)),
                    new XElement("role", "主演"),
                    new XElement("tmdbid", "")));
            }

            var poster = Path.GetFileName(video.VideoCoverSavePath);
            if (!string.IsNullOrWhiteSpace(poster))
            {
                root.Add(new XElement("thumb", new XAttribute("aspect", "poster"), poster));
                root.Add(new XElement("fanart", new XElement("thumb", poster)));
            }

            if (rootName == "episodedetails")
            {
                root.Add(new XElement("episode", Path.GetFileNameWithoutExtension(video.VideoSavePath).Replace("S01E0", "").Replace("S01E", "")));
                root.Add(new XElement("season", "1"));
            }

            return new XDocument(new XDeclaration("1.0", "utf-8", null), root).ToString();
        }

        private static string Clean(string value) => string.IsNullOrWhiteSpace(value)
            ? string.Empty
            : new string(value.Where(ch => XmlConvert.IsXmlChar(ch)).ToArray());
    }
}