package ee.futur.easygotr;

import lombok.Setter;
import net.runelite.api.widgets.Widget;
import net.runelite.client.ui.overlay.Overlay;
import net.runelite.client.ui.overlay.OverlayLayer;
import net.runelite.client.ui.overlay.OverlayPosition;

import javax.inject.Inject;
import java.awt.*;

/**
 * Overlay that highlights UI widgets (inventory items) the player should interact with.
 */
public class EasyGOTRWidgetOverlay extends Overlay {

    @Setter
    private EasyGOTRActionHint hint;

    @Inject
    private EasyGOTRWidgetOverlay() {
        setPosition(OverlayPosition.DYNAMIC);
        setLayer(OverlayLayer.ABOVE_WIDGETS);
    }

    @Override
    public Dimension render(Graphics2D graphics) {
        EasyGOTRActionHint localHint = hint;
        if (localHint == null) {
            return null;
        }

        for (EasyGOTRHighlightTarget target : localHint.getHighlightsSafe()) {
            target.getWidgetOptional().ifPresent(widget -> highlightWidget(graphics, widget, target.getColorOrDefault(Color.CYAN), target.getLabel()));
        }

        return null;
    }

    private void highlightWidget(Graphics2D graphics, Widget widget, Color color, String label) {
        Rectangle bounds = widget.getBounds();
        if (bounds == null) {
            return;
        }

        graphics.setColor(color);
        graphics.setStroke(new BasicStroke(2));
        graphics.draw(bounds);

        if (label != null && !label.isEmpty()) {
            graphics.drawString(label, (int) bounds.getX(), (int) (bounds.getY() - 4));
        }
    }
}