package net.madcrazydrumma.skyrimcraft.gui;

import org.lwjgl.opengl.GL11;

import net.madcrazydrumma.skyrimcraft.capability.CapabilityMana;
import net.madcrazydrumma.skyrimcraft.item.ModItems;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.gui.Gui;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.math.MathHelper;
import net.minecraftforge.client.event.RenderGameOverlayEvent;
import net.minecraftforge.client.event.RenderGameOverlayEvent.ElementType;
import net.minecraftforge.event.entity.player.AttackEntityEvent;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;

public class GuiSkyrimIngame extends Gui
{
	private Minecraft mc = Minecraft.getMinecraft();

	protected ResourceLocation bow_crosshair = new ResourceLocation("skyrimcraft", "textures/gui/bow_crosshair.png");

	private boolean renderMobHealth = false;
	private float currentMobHealth = 0;

	@SubscribeEvent
	public void onAttackEntity(AttackEntityEvent event) {
		if(event.getTarget() instanceof EntityLivingBase) {
			EntityLivingBase entity = (EntityLivingBase) event.getTarget();
			if(event.getTarget().isDead) {
				renderMobHealth = false;
				currentMobHealth = 0;
			} else {
				renderMobHealth = true;
				currentMobHealth = entity.getHealth();
			}
		}
	}

	@SubscribeEvent
    public void renderGameOverlay(RenderGameOverlayEvent.Pre event) {
        if(event.getType() == ElementType.HEALTH || event.getType() == ElementType.ARMOR || event.getType() == ElementType.FOOD /*|| event.getType() == ElementType.EXPERIENCE*/) {
            event.setCanceled(true);
            return;
        }

        if(event.getType() == ElementType.CROSSHAIRS) {
			if(mc.thePlayer.getHeldItemMainhand() != null
					&& mc.thePlayer.getHeldItemMainhand().getItem() == ModItems.daedricBow) {
				event.setCanceled(true); // ?
				//draw new crosshair

				int width = event.getResolution().getScaledWidth();
				int height = event.getResolution().getScaledHeight();


				mc.renderEngine.bindTexture(bow_crosshair);
				drawModalRectWithCustomSizedTexture(width / 2 - 4, height / 2 - 4, 0, 0, 8, 8, 8, 8);
			}
		}
    }

	@SubscribeEvent
	public void renderGameOverlay(RenderGameOverlayEvent.Post event) {
		if(event.getType() != ElementType.ALL)
			return;

		int width = event.getResolution().getScaledWidth();
		int height = event.getResolution().getScaledHeight();
		FontRenderer fontrenderer = mc.fontRendererObj;

		ResourceLocation icons = new ResourceLocation("skyrimcraft", "textures/gui/icons.png");

		GlStateManager.disableLighting();
        GlStateManager.enableRescaleNormal();
        GlStateManager.enableBlend();
        GlStateManager.blendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GlStateManager.depthMask(false);

		mc.renderEngine.bindTexture(icons);
		drawTexturedModalRect(width / 2 - 110, 10, 0, 37, 221, 14);

		//BARS
		drawTexturedModalRect(20, height - 40, 0, 51, 102, 10);
		drawTexturedModalRect(width / 2 - 50, height - 40, 0, 51, 102, 10);
		drawTexturedModalRect(width - 120, height - 40, 0, 51, 102, 10);

		//Checking stuff for mana and health and stamina
		float magicka = (float) (20 * 4.1);
		float health = (float) (mc.thePlayer.getHealth() * 4.1);
		float stamina = (float) (mc.thePlayer.getFoodStats().getFoodLevel() / 20);//* 4.1);
		//End checking stuff

		float barMaxWidth = 80;

		float healthBarWidth = barMaxWidth * (mc.thePlayer.getHealth() / mc.thePlayer.getMaxHealth());
		float healthBarStartX = (width / 2 - 39) + ((barMaxWidth - healthBarWidth) / 2);

		float staminaBarWidth = barMaxWidth * (mc.thePlayer.getFoodStats().getFoodLevel() / 20);
		float staminaBarStartX = (width - 109) + (barMaxWidth - staminaBarWidth);

		//INNER BARS
		drawTexturedModalRect(31, height - 38, 11, 64, (int)magicka, 6); //mana
		//drawTexturedModalRect(width / 2 - 39, height - 38, 11, 72, (int)health, 6); //health
		drawTexturedModalRect(healthBarStartX, height - 38, 11, 72, (int) healthBarWidth, 6);
		drawTexturedModalRect(staminaBarStartX, height - 38, 11, 80, (int) staminaBarWidth, 6); //stamina
		//END INNER BARS

		//EXP
		int exp = (int)(this.mc.thePlayer.experience * (float)(182 + 1));
		//EXP END

		int r = 0;
		if (mc.thePlayer.rotationYaw < 0) {
			r = -MathHelper.floor_double(mc.thePlayer.rotationYaw % 360);
		} else {
			r = MathHelper.floor_double(mc.thePlayer.rotationYaw % 360);
		}

		boolean flag1 = (r > 0 && r < 180);
		boolean flag2 = (r <= 270 && r >= 90);
		boolean flag3 = (r <= 180 && r >= 0);
		boolean flag5 = (r <= 1 && r >= 0);
		boolean flag4 = mc.thePlayer.rotationYaw < 0;

		if (r == 0) {
			drawCenteredString(fontrenderer, "S", width / 2, 13, 0xffffff);
			drawCenteredString(fontrenderer, "E", (width / 2) - 90, 13, 0xffffff);
			drawCenteredString(fontrenderer, "W", (width / 2) + 90, 13, 0xffffff);
		} else if (!flag4) {
			drawCenteredString(fontrenderer, flag2 ? "N" : "", (width / 2 - r) + 180, 13, 0xffffff);

			if (!flag1) {
				r = r - 360;
			}
			drawCenteredString(fontrenderer, !flag2 ? "S" : "", width / 2 - r, 13,
					0xffffff);
			drawCenteredString(fontrenderer, !flag3 ? "E" : "",
					(width / 2 - r) - 90, 13, 0xffffff);
			drawCenteredString(fontrenderer, flag3 ? "W" : "",
					(width / 2 - r) + 90, 13, 0xffffff);
		} else if (flag4) {
			drawCenteredString(fontrenderer, flag2 ? "N" : "",
					(width / 2 + r) - 180, 13, 0xffffff);

			if (!flag1) {
				r = r - 360;
			}

			drawCenteredString(fontrenderer, !flag2 ? "S" : "", width / 2 + r, 13,
					0xffffff);
			drawCenteredString(fontrenderer, !flag3 ? "W" : "",
					(width / 2 + r) + 90, 13, 0xffffff);
			drawCenteredString(fontrenderer, flag3 ? "E" : "",
					(width / 2 + r) - 90, 13, 0xffffff);
		}

		mc.renderEngine.bindTexture(icons);
		if(renderMobHealth) {
			drawTexturedModalRect(((float)(width / 2) - 78.5f), (float)32, 3, 88, 157, 8);
			drawTexturedModalRect(((float)(width / 2) - 78.5f) + 9, (float)35, 10, 102, (int) (142 % currentMobHealth), 2);
		}
    }
}