package org.saturnclient.ui.elements;

import java.util.function.IntSupplier;
import java.util.function.Supplier;

import org.saturnclient.ui.Element;
import org.saturnclient.ui.ElementContext;
import org.saturnclient.ui.RenderScope;
import org.saturnclient.ui.resources.Fonts;

/**
 * A line of text whose content, font and color are read on every frame, so it
 * follows state and theme changes without rebuilding the screen.
 */
public class Label extends Element {
    private final Supplier<String> text;
    private final float textScale;
    private final IntSupplier font;
    private final IntSupplier color;

    public Label(Supplier<String> text, float textScale, IntSupplier font, IntSupplier color) {
        this.text = text;
        this.textScale = textScale;
        this.font = font;
        this.color = color;
        this.height = (int) (Fonts.getHeight() * textScale);
    }

    @Override
    public void render(RenderScope renderScope, ElementContext ctx) {
        renderScope.drawText(textScale, text.get(), 0, 0, font.getAsInt(), color.getAsInt());
    }
}