package darkknight.jewelrycraft.client;

import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import darkknight.jewelrycraft.util.Variables;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiButton;
import net.minecraft.client.renderer.RenderHelper;
import net.minecraft.client.renderer.entity.RenderItem;
import net.minecraft.item.ItemStack;
import net.minecraft.util.ResourceLocation;

/**
 * @author TinkersCOnstruct
 */
@SideOnly(Side.CLIENT)
public abstract class AbstractTab extends GuiButton {
	ResourceLocation	texture		= new ResourceLocation(
			Variables.MODID, "textures/gui/hearts.png");
	ItemStack		renderStack;
	RenderItem		itemRenderer	= new RenderItem();

	public AbstractTab(int id, int posX, int posY,
			ItemStack renderStack) {
		super(id, posX, posY, 18, 18, "");
		this.renderStack = renderStack;
	}

	@Override
	public void drawButton(Minecraft mc, int mouseX, int mouseY) {
		if (this.visible) {
			GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
			int xOffset = this.enabled ? 0 : 8;

			mc.renderEngine.bindTexture(this.texture);
			this.drawTexturedModalRect(this.xPosition,
					yPosition, 144 + xOffset, 32, 18,
					18);

			GL11.glPushMatrix();
			RenderHelper.enableGUIStandardItemLighting();
			this.zLevel = 100.0F;
			this.itemRenderer.zLevel = 100.0F;
			GL11.glEnable(GL11.GL_LIGHTING);
			GL11.glEnable(GL12.GL_RESCALE_NORMAL);
			this.itemRenderer.renderItemAndEffectIntoGUI(
					mc.fontRenderer, mc.renderEngine,
					renderStack, xPosition + 1,
					yPosition + 1);
			this.itemRenderer.renderItemOverlayIntoGUI(
					mc.fontRenderer, mc.renderEngine,
					renderStack, xPosition + 1,
					yPosition + 1);
			GL11.glDisable(GL11.GL_LIGHTING);
			this.itemRenderer.zLevel = 0.0F;
			this.zLevel = 0.0F;
			RenderHelper.disableStandardItemLighting();
			GL11.glPopMatrix();
		}
	}

	@Override
	public boolean mousePressed(Minecraft mc, int mouseX, int mouseY) {
		boolean inWindow = this.enabled && this.visible
				&& mouseX >= this.xPosition
				&& mouseY >= this.yPosition
				&& mouseX < this.xPosition + this.width
				&& mouseY < this.yPosition + this.height;
		if (inWindow)
			this.onTabClicked();
		return inWindow;
	}

	public abstract void onTabClicked();

	public abstract boolean shouldAddToList();
}