package eu.tetrabyte.contentmod.client.render;

import java.util.Calendar;
import java.util.Map;

import org.apache.commons.lang3.tuple.Pair;
import org.lwjgl.opengl.GL11;

import com.google.common.collect.Lists;
import com.google.common.collect.Maps;

import eu.tetrabyte.contentmod.Ref;
import eu.tetrabyte.contentmod.entity.EntityBus;
import eu.tetrabyte.contentmod.util.shadesobjloader.OBJCustomData;
import eu.tetrabyte.contentmod.util.shadesobjloader.OBJModel;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.WorldRenderer;
import net.minecraft.client.renderer.block.model.BakedQuad;
import net.minecraft.client.renderer.entity.Render;
import net.minecraft.client.renderer.entity.RenderManager;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.client.renderer.vertex.VertexBuffer;
import net.minecraft.client.resources.IReloadableResourceManager;
import net.minecraft.client.resources.IResourceManager;
import net.minecraft.client.resources.IResourceManagerReloadListener;
import net.minecraft.client.resources.model.IBakedModel;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.client.model.Attributes;
import net.minecraftforge.client.model.IModel;
import net.minecraftforge.client.model.ModelLoader;
import net.minecraftforge.client.model.ModelLoaderRegistry;
import net.minecraftforge.client.model.pipeline.LightUtil;
import net.minecraftforge.fml.common.FMLLog;

public class RenderOlympian extends Render<EntityBus> {

    protected RenderOlympian(RenderManager renderManager) {
        super(renderManager);
    }

    private static Map<String, IBakedModel> loadedModels = Maps.newHashMap();
    private static final ResourceLocation DIGIT = new ResourceLocation(Ref.MOD_ID + ":item/olympian.obj");

    public static void init()
    {
        IResourceManager manager = Minecraft.getMinecraft().getResourceManager();
        if (manager instanceof IReloadableResourceManager)
        {
            ((IReloadableResourceManager) manager).registerReloadListener(new IResourceManagerReloadListener()
            {
                @Override
                public void onResourceManagerReload(IResourceManager ignored)
                {
                    loadedModels.clear();
                }
            });
        }
    }

    @Override
    public void doRender(EntityBus entityBusIn, double x, double y, double z, float entityYaw, float partialTicks)
    {
        if (loadedModels.isEmpty())
        {
            FMLLog.info("loadedModels was empty, attempting to load model '%s'", DIGIT.toString());

            try
            {
                IModel model = ModelLoaderRegistry.getModel(DIGIT);

                if (model != null && model instanceof OBJModel)
                {
                    FMLLog.info("Successfully obtained model '%s' from registry", DIGIT.toString());
                    OBJModel objModel = new OBJModel(((OBJModel) model).getMatLib(), ((OBJModel) model).getModelLocation(), ((OBJModel) model).getCustomData());
                    OBJCustomData.GroupConfigHandler configHandler = objModel.getCustomData().getConfigHandler();
                    OBJCustomData.GroupConfigBuilder builder = configHandler.getConfigBuilder();

                    for (int i = 0; i <= 9; i++)
                    {
                        Pair<String, String[]> configOperation = entityBusIn.getConfigOperationFor(i); // Is an error: "The method getConfigOperationFor(int) is undefined for the type EntityBus"

                        builder.startNew("" + i);
                        if (configOperation.getLeft().equals("hide")) builder.showAll(configOperation.getRight());
                        if (configOperation.getLeft().equals("show")) builder.hideAll(configOperation.getRight());
                        configHandler.addConfig(builder.build());
                    }

                    for (int i = 0; i <= 9; i++)
                    {
                        OBJModel.OBJState state = new OBJModel.OBJState(Lists.newArrayList("" + i));
                        loadedModels.put("" + i, objModel.bake(state, Attributes.DEFAULT_BAKED_FORMAT, ModelLoader.defaultTextureGetter()));
                    }
                }
            }
            catch (Exception e)
            {
                e.printStackTrace();
            }
        }

        IBakedModel olympian = null;

        bindTexture(TextureMap.locationBlocksTexture);
        Tessellator tessellator = Tessellator.getInstance();
        WorldRenderer buffer = tessellator.getWorldRenderer();

        GlStateManager.disableLighting();
        GlStateManager.disableAlpha();
        GlStateManager.disableRescaleNormal();
        GlStateManager.enableDepth();
        GlStateManager.depthMask(true);
        GlStateManager.blendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

        GlStateManager.pushMatrix();
        GlStateManager.translate(x, y, z);

        GlStateManager.pushMatrix();
        GlStateManager.translate(0.5f, 0.5f, 0.5f);

        //Rotate here

        GlStateManager.translate(-0.5f, -0.5f, -0.5f);

        if (olympian != null)
        {
            buffer.begin(GL11.GL_QUADS, Attributes.DEFAULT_BAKED_FORMAT);
            for (BakedQuad quad : olympian.getGeneralQuads())
            {
                LightUtil.renderQuadColor(buffer, quad, 0xFFFFFFFF); //last argument is abgr!
            }
            tessellator.draw();
        }

        GlStateManager.popMatrix();
        GlStateManager.popMatrix();
    }

    @Override
    protected ResourceLocation getEntityTexture(EntityBus entity) {
        // TODO Auto-generated method stub
        return null;
    }
}