package io.gitlab.jfronny.inceptum.gtk.util;

import ch.bailu.gtk.gtk.Widget;
import ch.bailu.gtk.type.Pointer;

import java.util.Arrays;
import java.util.stream.Collectors;

public class Dbg {
    public static String inspect(Widget ptr) {
        if (ptr.isNull()) return "<null>";
        StringBuilder sb = new StringBuilder();
        inspect(ptr, sb, "");
        return sb.toString();
    }

    private static void inspect(Widget ptr, StringBuilder bld, String indent) {
        bld.append(indent).append("<").append(ptr.getName().toString()).append("#").append(ptr.getCPointer()).append("> ")
                .append(Arrays.stream(Pointer.toJnaPointer(ptr.getCssClasses().getCPointer()).getPointerArray(0))
                        .map(p -> p.getString(0))
                        .collect(Collectors.joining(", ")));
        ptr = ptr.getFirstChild();
        if (ptr.isNotNull()) {
            while (ptr.isNotNull()) {
                bld.append("\n");
                inspect(ptr, bld, indent + "    ");
                ptr = ptr.getNextSibling();
            }
        }
    }
}