package business_logic;

import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;

public class JythonParser {

	public JythonParser() {

	}

	// Diese Methode wird von der GUI aufgerufen
	public double parseCommand(String command) throws ScriptException {
		ScriptEngine engine = new ScriptEngineManager().getEngineByName("python");
        engine.eval("import sys");
		engine.put("calculation", command);
//		engine.eval("print calculation");
		engine.eval("calculation = eval(calculation)");
//		engine.eval("print calculation");
		String result = engine.get("calculation").toString();
		return Double.parseDouble(result);
	}
}