import java.io.*;

import src.main.java.xyz.ignatz.antlr.aidl.gen.AidlLexer;
import src.main.java.xyz.ignatz.antlr.aidl.gen.AidlParser;
import src.main.java.xyz.ignatz.antlr.aidl.tools.AidlLoader;
import org.antlr.v4.runtime.*;
import org.antlr.v4.runtime.tree.*;

public class AidlToJson
{
    public static void main(String[] args)
    {
        if (args.length < 2) {
            System.out.println("AidlToJson input_filename output_directory");
            return;
        }
        CharStream input = null;
        try {
            input = CharStreams.fromFileName(args[0]);
        } catch (IOException e) {
            e.printStackTrace();
        }
        AidlLexer lexer = new AidlLexer(input);
        CommonTokenStream tokens = new CommonTokenStream(lexer);
        AidlParser parser = new AidlParser(tokens);
        ParseTree tree = parser.aidl();
        ParseTreeWalker walker = new ParseTreeWalker();
        AidlLoader loader = new AidlLoader();
        walker.walk(loader, tree);
        OutputStream os = null;
        try {
            os = new FileOutputStream(new File(args[1] + '\\' + loader.getName() + ".json"), false);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }

        try {
            os.write(loader.toJson().getBytes());
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            os.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}