class Program
{
    static void Main(string[] args)
    {
        try
        {
            IRegistryOptions options = new LocalRegistryOptions();
            Registry.Registry registry = new Registry.Registry(options);

            List<string> textLines = new List<string>();
            textLines.Add("using static System; /* comment here */");
            textLines.Add("namespace Example");
            textLines.Add("{");
            textLines.Add("}");

            IGrammar grammar = registry.LoadGrammar("source.cs");

            StackElement ruleStack = null;

            foreach (string line in textLines)
            {
                Console.WriteLine(string.Format("Tokenizing line: {0}", line));

                ITokenizeLineResult result = grammar.TokenizeLine(line, ruleStack);

                ruleStack = result.RuleStack;

                foreach (IToken token in result.GetTokens())
                {
                    int startIndex = (token.StartIndex > line.Length) ?
                        line.Length : token.StartIndex;
                    int endIndex = (token.EndIndex > line.Length) ?
                        line.Length : token.EndIndex;

                    Console.WriteLine(string.Format(
                        "  - token from {0} to {1} -->{2}<-- with scopes {3}",
                        startIndex,
                        endIndex,
                        line.SubstringAtIndexes(startIndex, endIndex),
                        string.Join(",", token.Scopes)));

                    foreach (string scopeName in token.Scopes)
                    {
                        Theme theme = registry.GetTheme();
                        List<ThemeTrieElementRule> themeRules =
                            theme.Match(scopeName);

                        foreach (ThemeTrieElementRule themeRule in themeRules)
                        {
                            Console.WriteLine(
                                "      - Matched theme rule: "   
                                "[bg: {0}, fg:{1}, fontStyle: {2}]",
                                theme.GetColor(themeRule.background),
                                theme.GetColor(themeRule.foreground),
                                themeRule.fontStyle);
                        }
                    }
                }
            }
        }
        catch (Exception ex)
        {
            Console.WriteLine("ERROR: "   ex.Message);
        }
    }

    class LocalRegistryOptions : IRegistryOptions
    {
        public ICollection<string> GetInjections(string scopeName)
        {
            return null;
        }

        public IRawGrammar GetGrammar(string scopeName)
        {
            return null;
        }

        public IRawTheme GetTheme(string scopeName)
        {
            return null;
        }

        public IRawTheme GetDefaultTheme()
        {
            string themePath = Path.GetFullPath(
                @"../../../../test/themes/dark_vs.json");

            using (StreamReader reader = new StreamReader(themePath))
            {
                return ThemeReader.ReadThemeSync(reader);
            }
        }
    }
}