Chimney.MPD.ChimneyMPDClient.Songlist C# (CSharp) Method

        public async Task<List<SongTag>> Songlist(string URI = "", string ordertype ="", List<SongTag> currentPlaylist = null)
        {
            string command = string.Empty;
            var arguments = new List<string>();
            var special = new List<string>();

            switch(ordertype)
            {
                case ("artist"):
                    command = MPDKeyWords.Client.Database.LIST;
                    arguments.Add("artist");
                    break;
                case ("album"):
                    command = MPDKeyWords.Client.Database.LIST;
                    arguments.Add("album");
                    if(!string.IsNullOrEmpty(URI))
                    {
                        arguments.Add("artist");
                        special.Add(URI);
                    }
                    break;
                case ("genre"):
                    arguments.Add("genre");
                    if(string.IsNullOrEmpty(URI))
                        command = MPDKeyWords.Client.Database.LIST;
                    else
                    {
                        command = MPDKeyWords.Client.Database.FIND;
                        special.Add(URI);
                    }
                    break;
                case ("find"):
                    command = MPDKeyWords.Client.Database.FIND;
                    arguments.Add("album");
                    special.Add(URI);
                    break;
                case ("search"):
                    command = MPDKeyWords.Client.Database.SEARCH;
                    arguments.Add("any");
                    special.Add(URI);
                    break;
                default:
                    command = MPDKeyWords.Client.Database.LSINFO;
                    special.Add(URI);
                    break;
            }

            var qId = await Send(command, arguments, special);
            
            var response = await MPDKeyWords.Response.Encode(await Response(qId));

            var songlist = new List<SongTag>();

            for (int i = 0; i < response.Count; i++ )
                songlist.Add(new SongTag(response[i], i));

            return songlist;
        }