/**
 * Copyright (c) 2011-2015, SpaceToad and the BuildCraft Team
 * http://www.mod-buildcraft.com
 * <p/>
 * BuildCraft is distributed under the terms of the Minecraft Mod Public
 * License 1.0, or MMPL. Please check the contents of the license located in
 * http://www.mod-buildcraft.com/MMPL-1.0.txt
 */
package buildcraft.core.lib.gui.buttons;

import org.lwjgl.opengl.GL11;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.gui.GuiButton;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

import buildcraft.core.lib.gui.tooltips.IToolTipProvider;
import buildcraft.core.lib.gui.tooltips.ToolTip;

@SideOnly(Side.CLIENT)
public class GuiBetterButton extends GuiButton implements IToolTipProvider {
	protected final IButtonTextureSet texture;
	private ToolTip toolTip;

	public GuiBetterButton(int id, int x, int y, String label) {
		this(id, x, y, 200, StandardButtonTextureSets.LARGE_BUTTON, label);
	}

	public GuiBetterButton(int id, int x, int y, int width, String label) {
		this(id, x, y, width, StandardButtonTextureSets.LARGE_BUTTON, label);
	}

	public GuiBetterButton(int id, int x, int y, int width, IButtonTextureSet texture, String label) {
		super(id, x, y, width, texture.getHeight(), label);
		this.texture = texture;
	}

	public int getWidth() {
		return width;
	}

	public int getHeight() {
		return texture.getHeight();
	}

	public int getTextColor(boolean mouseOver) {
		if (!enabled) {
			return 0xffa0a0a0;
		} else if (mouseOver) {
			return 0xffffa0;
		} else {
			return 0xe0e0e0;
		}
	}

	public boolean isMouseOverButton(int mouseX, int mouseY) {
		return mouseX >= xPosition && mouseY >= yPosition && mouseX < xPosition + width && mouseY < yPosition + getHeight();
	}

	protected void bindButtonTextures(Minecraft minecraft) {
		minecraft.renderEngine.bindTexture(texture.getTexture());
	}

	@Override
	public void drawButton(Minecraft minecraft, int mouseX, int mouseY) {
		if (!visible) {
			return;
		}

		FontRenderer fontrenderer = minecraft.fontRenderer;
		bindButtonTextures(minecraft);
		GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
		int xOffset = texture.getX();
		int yOffset = texture.getY();
		int h = texture.getHeight();
		int w = texture.getWidth();
		boolean mouseOver = isMouseOverButton(mouseX, mouseY);
		int hoverState = getHoverState(mouseOver);
		drawTexturedModalRect(xPosition, yPosition, xOffset, yOffset + hoverState * h, width / 2, h);
		drawTexturedModalRect(xPosition + width / 2, yPosition, xOffset + w - width / 2, yOffset + hoverState * h, width / 2, h);
		mouseDragged(minecraft, mouseX, mouseY);
		drawCenteredString(fontrenderer, displayString, xPosition + width / 2, yPosition + (h - 8) / 2, getTextColor(mouseOver));
	}

	@Override
	public ToolTip getToolTip() {
		return toolTip;
	}

	public GuiBetterButton setToolTip(ToolTip tips) {
		this.toolTip = tips;
		return this;
	}

	@Override
	public boolean isToolTipVisible() {
		return visible;
	}

	@Override
	public boolean isMouseOver(int mouseX, int mouseY) {
		return isMouseOverButton(mouseX, mouseY);
	}
}