CSL_Test__1.TorrentBuilder.ExtractArtist C# (CSharp) Метод

        public string ExtractArtist(string birth, FileInfo file)
        {
            switch (birth)
            {
                case "waffles":
                    {
                        /*Look for a space on either side of the dash*/
                        int startingPosition = 0;
                        int dashes = file.Name.Split('-').Length;
                        for (int a = 0; a <= dashes; a++)
                        {
                            int dash = file.Name.IndexOf('-', startingPosition);

                            if (file.Name[dash - 1].Equals(' ') && file.Name[dash + 1].Equals(' '))
                            {
                                return file.Name.Substring(0, dash - 1); //return the artist
                            }

                            startingPosition = dash + 1;
                        }
                        /*If that fails...*/
                        return IssueError("Can't parse artist", file);
                    }
                case "what":
                    {
                        try
                        {
                            bool zipped = file.FullName.Contains("[CSL]--Temp");

                            switch (zipped) //Zipped or not zipped.. switch statement improves readability
                            {
                                case (true):
                                    {
                                        //...\[CSL]--Temp\artist\[physicalformat]\[files]
                                        int firstSlash = file.FullName.IndexOf("[CSL]--Temp") - 1;
                                        int secondSlash = file.FullName.IndexOf(@"\", firstSlash + 1) + 1;
                                        int thirdSlash = file.FullName.IndexOf(@"\", secondSlash + 1);

                                        return file.FullName.Substring(secondSlash, thirdSlash - secondSlash);
                                    }
                                case (false):
                                    {
                                        /*Look for a space on either side of the dash*/
                                        int startingPosition = 0;
                                        int dashes = file.Name.Split('-').Length;
                                        string filename = file.Name;
                                        for (int a = 0; a <= dashes; a++)
                                        {
                                            int dash = filename.IndexOf('-', startingPosition);

                                            if (filename[dash - 1].Equals(' ') && filename[dash + 1].Equals(' '))
                                            {
                                                string artist = filename.Substring(0, dash - 1);
                                                return artist;
                                            }

                                            startingPosition = dash + 1;
                                        }
                                        /*If that fails..*/
                                        return IssueError("Can't parse artist", file);
                                    }

                                default:
                                    return IssueError("Can't parse artist", file);
                            }
                        }
                        catch (Exception e)
                        {
                            ew.IssueGeneralWarning("Error extracting artist", "Please report", e.Message + "\n" + e.StackTrace);
                            return IssueError("Can't parse artist", file);
                        }

                    }
                default:
                    return IssueError("Can't parse artist", file);
            }
        }