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package vds.jfx.window;


import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;

import java.util.logging.Level;
import java.util.logging.Logger;
import vds.jfx.code.VDSList;
import vds.jfx.code.VNode;

/**
 *
 * @author Alexandros Delas
 * @param <T>
 */
public class Transformer<T extends VDSList> {

    private VDSList tlist;
    private VNode first;
    private VNode last;
    private VNode prev;
    private VNode next;
    private VNode temp;

     ArrayList<VNode> list = new ArrayList<VNode>();


    public Transformer(T tlist) {

        this.tlist = tlist;
        System.out.println(tlist.getClass().getName());
        Field f = null;

        /
        try {

            //was eigentlich fehlt: unnötigen Anhang entfernen
            //ODER Verknüpfungen mit prev, next und payload selber erstellen
            //eigene Funktion statt Wiederholung
            //first element
            f = tlist.getClass().getDeclaredField("first"); //NoSuchFieldException
            f.setAccessible(true);
            if (f.get(tlist) != null) {
                first = (VNode) f.get(tlist); //IllegalAccessException
                list.add(first);
                System.out.println(first);

            }

            //second element
            f = first.getClass().getDeclaredField("next"); //NoSuchFieldException
            f.setAccessible(true);
            if (f.get(first) != null) {
                next = (VNode) f.get(first); //IllegalAccessException
                list.add(next);
                System.out.println(next);
            }

            //more elements
            while (f.get(next) != null) {
                f = next.getClass().getDeclaredField("next"); //NoSuchFieldException
                f.setAccessible(true);
                next = (VNode) f.get(next); //IllegalAccessException
                list.add(next);
                System.out.println(next);
            }
            //was eigentlich fehlt: unnötigen Anhang entfernen
            //ODER Verknüpfungen mit prev, next und payload selber erstellen
            //eigene Funktion statt Wiederholung
        } catch (IllegalAccessException | NoSuchFieldException | SecurityException ex) {
            Logger.getLogger(VDSList.class.getName()).log(Level.SEVERE, null, ex);
        }
        VDSWindow win = new VDSWindow();

        for (VNode s : list) {
            System.out.println(s.payload);
        }

        //win.addString(myS);
       // win.main();

    }

    private void addNodeToList() {
        VNode temp = null;


        temp.payload = getNodeField(first, "payload");
        temp.next = getNodeField(first, "next");
        temp.prev = getNodeField(first, "prev");
    }

    //Parameter: z.B. list->first, first->next
    private VNode getNodeField(Object lOrN, String field) {
        VNode temp = null;


        try {

            //set Object
            Field f = lOrN.getClass().getDeclaredField(field); //NoSuchFieldException
            f.setAccessible(true);
            if (f.get(lOrN) != null) {
                temp = (VNode) f.get(lOrN); //IllegalAccessException
            }

            //set Payload
            f = temp.getClass().getDeclaredField("payload"); //NoSuchFieldException
            f.setAccessible(true);
            if (f.get(temp) != null) {
                temp.payload = (String) f.get(temp); //IllegalAccessException
                System.out.println(temp.payload);
            }

            //next
            f = temp.getClass().getDeclaredField("next"); //NoSuchFieldException
            f.setAccessible(true);
            if (f.get(temp) != null) {
                temp.next = (VNode) f.get(temp); //IllegalAccessException
            }

            //prev
            f = temp.getClass().getDeclaredField("prev"); //NoSuchFieldException
            f.setAccessible(true);
            if (f.get(temp) != null) {
                temp.next = (VNode) f.get(temp); //IllegalAccessException
            }

            //add Node to List
            list.add(temp);
        } catch (IllegalAccessException | NoSuchFieldException | SecurityException ex) {
            Logger.getLogger(VDSList.class.getName()).log(Level.SEVERE, null, ex);
        }

        return temp;


    }








}