package net.minecraft.client.renderer.state.gui;

import net.minecraft.client.gui.Font;
import net.minecraft.client.gui.navigation.ScreenRectangle;
import net.minecraft.util.FormattedCharSequence;
import org.joml.Matrix3x2fc;
import org.jspecify.annotations.Nullable;

public final class GuiTextRenderState implements ScreenArea {
	private final Font font;
	private final FormattedCharSequence text;
	public final Matrix3x2fc pose;
	private final int x;
	private final int y;
	private final int color;
	private final int backgroundColor;
	private final boolean dropShadow;
	private final boolean includeEmpty;
	@Nullable
	public final ScreenRectangle scissor;
	@Nullable
	private Font.PreparedText preparedText;
	@Nullable
	private ScreenRectangle bounds;

	public GuiTextRenderState(
		final Font font,
		final FormattedCharSequence text,
		final Matrix3x2fc pose,
		final int x,
		final int y,
		final int color,
		final int backgroundColor,
		final boolean dropShadow,
		final boolean includeEmpty,
		@Nullable final ScreenRectangle scissor
	) {
		this.font = font;
		this.text = text;
		this.pose = pose;
		this.x = x;
		this.y = y;
		this.color = color;
		this.backgroundColor = backgroundColor;
		this.dropShadow = dropShadow;
		this.includeEmpty = includeEmpty;
		this.scissor = scissor;
	}

	public Font.PreparedText ensurePrepared() {
		if (this.preparedText == null) {
			this.preparedText = this.font.prepareText(this.text, this.x, this.y, this.color, this.dropShadow, this.includeEmpty, this.backgroundColor);
			ScreenRectangle bounds = this.preparedText.bounds();
			if (bounds != null) {
				bounds = bounds.transformMaxBounds(this.pose);
				this.bounds = this.scissor != null ? this.scissor.intersection(bounds) : bounds;
			}
		}

		return this.preparedText;
	}

	@Nullable
	@Override
	public ScreenRectangle bounds() {
		this.ensurePrepared();
		return this.bounds;
	}
}