package alice.test.reflection;

import javassist.ClassPool;
import javassist.CtClass;
import javassist.CtConstructor;
import javassist.CtField;
import javassist.CtMethod;

public class ReflectionTest {

    public static void main(String[] args){
        try {
            new ReflectionTest().createCS();
        } catch (Exception e) {
            e.printStackTrace();
        }
        System.out.println("TEST END");
    }

    public void createCS() throws Exception{

        ClassPool cp = ClassPool.getDefault();
        CtClass tep = cp.get("alice.test.reflection.CSTemplate");
        CtClass rec = cp.get("alice.datasegment.Receiver");

        // ---- define Field -----
        //CtField f1 = CtField.make("alice.datasegment.Receiver arg1 = ids.create(alice.datasegment.CommandType.PEEK);", tep);
        //tep.addField(f1);
        CtField f1 = new CtField(rec,"arg1",tep);
        tep.addField(f1,"ids.create(alice.datasegment.CommandType.PEEK)");

        // ---- define Constructor -----
        CtConstructor c = tep.getConstructor("()V");
        c.insertAfter("arg1.setKey(\"key1\");");

        // ---- define run -----
        CtMethod m = tep.getMethod("run", "()V");
        m.insertAfter("System.out.println(\"type = \" + arg1.type);");
        m.insertAfter("System.out.println(\"index = \" + arg1.index);");
        m.insertAfter("System.out.println(\"data = \" + arg1.getVal());");
        m.insertAfter("System.out.println(((org.msgpack.type.Value)arg1.getVal()).getType());");
        m.insertAfter("if (arg1.index==10){ System.exit(0);}");
        m.insertAfter("new alice.test.reflection.CSTemplate();");
        m.insertAfter("ods.update(\"key1\", \"String Data\");");

        Class<?> clazz = tep.toClass(); // load Class
        @SuppressWarnings("unused")
        CSTemplate cs = (CSTemplate)clazz.newInstance(); // create instance

    }
}