/*
 * This file is part of Applied Energistics 2.
 * Copyright (c) 2013 - 2015, AlgorithmX2, All rights reserved.
 *
 * Applied Energistics 2 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Applied Energistics 2 is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.client;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;

import appeng.api.parts.CableRenderMode;
import appeng.api.util.AEColor;
import appeng.block.AEBaseBlock;
import appeng.client.render.BaseBlockRender;
import appeng.client.render.TESRWrapper;
import appeng.client.render.WorldRender;
import appeng.client.render.effects.*;
import appeng.client.texture.CableBusTextures;
import appeng.client.texture.ExtraBlockTextures;
import appeng.client.texture.ExtraItemTextures;
import appeng.core.AEConfig;
import appeng.core.AELog;
import appeng.core.CommonHelper;
import appeng.core.sync.network.NetworkHandler;
import appeng.core.sync.packets.PacketAssemblerAnimation;
import appeng.core.sync.packets.PacketValueConfig;
import appeng.entity.EntityFloatingItem;
import appeng.entity.EntityTinyTNTPrimed;
import appeng.entity.RenderFloatingItem;
import appeng.entity.RenderTinyTNTPrimed;
import appeng.helpers.IMouseWheelItem;
import appeng.hooks.TickHandler;
import appeng.hooks.TickHandler.PlayerColor;
import appeng.server.ServerHelper;
import appeng.transformer.MissingCoreMod;
import appeng.util.Platform;
import cpw.mods.fml.client.registry.ClientRegistry;
import cpw.mods.fml.client.registry.RenderingRegistry;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import net.minecraft.block.Block;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.entity.RenderItem;
import net.minecraft.client.renderer.entity.RenderManager;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Items;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;
import net.minecraftforge.client.ForgeHooksClient;
import net.minecraftforge.client.IItemRenderer;
import net.minecraftforge.client.MinecraftForgeClient;
import net.minecraftforge.client.event.MouseEvent;
import net.minecraftforge.client.event.RenderLivingEvent;
import net.minecraftforge.client.event.TextureStitchEvent;
import net.minecraftforge.common.MinecraftForge;
import org.lwjgl.opengl.GL11;

public class ClientHelper extends ServerHelper {
    private static final RenderItem ITEM_RENDERER = new RenderItem();
    private static final RenderBlocks BLOCK_RENDERER = new RenderBlocks();

    @SubscribeEvent
    public void postPlayerRender(final RenderLivingEvent.Pre p) {
        final PlayerColor player
            = TickHandler.INSTANCE.getPlayerColors().get(p.entity.getEntityId());
        if (player != null) {
            final AEColor col = player.myColor;

            final float r = 0xff & (col.mediumVariant >> 16);
            final float g = 0xff & (col.mediumVariant >> 8);
            final float b = 0xff & (col.mediumVariant);
            GL11.glColor3f(r / 255.0f, g / 255.0f, b / 255.0f);
        }
    }

    @Override
    public void init() {
        MinecraftForge.EVENT_BUS.register(this);
    }

    @Override
    public World getWorld() {
        if (Platform.isClient()) {
            return Minecraft.getMinecraft().theWorld;
        } else {
            return super.getWorld();
        }
    }

    @Override
    public void bindTileEntitySpecialRenderer(final Class tile, final AEBaseBlock blk) {
        final BaseBlockRender bbr = blk.getRendererInstance().getRendererInstance();
        if (bbr.hasTESR() && tile != null) {
            ClientRegistry.bindTileEntitySpecialRenderer(tile, new TESRWrapper(bbr));
        }
    }

    @Override
    public List<EntityPlayer> getPlayers() {
        if (Platform.isClient()) {
            final List<EntityPlayer> o = new ArrayList<EntityPlayer>();
            o.add(Minecraft.getMinecraft().thePlayer);
            return o;
        } else {
            return super.getPlayers();
        }
    }

    @Override
    public void spawnEffect(
        final EffectType effect,
        final World worldObj,
        final double posX,
        final double posY,
        final double posZ,
        final Object o
    ) {
        if (AEConfig.instance.enableEffects) {
            switch (effect) {
                case Assembler:
                    this.spawnAssembler(worldObj, posX, posY, posZ, o);
                    return;
                case Vibrant:
                    this.spawnVibrant(worldObj, posX, posY, posZ);
                    return;
                case Crafting:
                    this.spawnCrafting(worldObj, posX, posY, posZ);
                    return;
                case Energy:
                    this.spawnEnergy(worldObj, posX, posY, posZ);
                    return;
                case Lightning:
                    this.spawnLightning(worldObj, posX, posY, posZ);
                    return;
                case LightningArc:
                    this.spawnLightningArc(worldObj, posX, posY, posZ, (Vec3) o);
                    return;
                default:
            }
        }
    }

    private void spawnAssembler(
        final World worldObj,
        final double posX,
        final double posY,
        final double posZ,
        final Object o
    ) {
        final PacketAssemblerAnimation paa = (PacketAssemblerAnimation) o;

        final AssemblerFX fx = new AssemblerFX(
            Minecraft.getMinecraft().theWorld,
            posX,
            posY,
            posZ,
            0.0D,
            0.0D,
            0.0D,
            paa.rate,
            paa.is
        );
        Minecraft.getMinecraft().effectRenderer.addEffect(fx);
    }

    private void
    spawnVibrant(final World w, final double x, final double y, final double z) {
        if (CommonHelper.proxy.shouldAddParticles(Platform.getRandom())) {
            final double d0 = (Platform.getRandomFloat() - 0.5F) * 0.26D;
            final double d1 = (Platform.getRandomFloat() - 0.5F) * 0.26D;
            final double d2 = (Platform.getRandomFloat() - 0.5F) * 0.26D;

            final VibrantFX fx
                = new VibrantFX(w, x + d0, y + d1, z + d2, 0.0D, 0.0D, 0.0D);
            Minecraft.getMinecraft().effectRenderer.addEffect(fx);
        }
    }

    private void spawnCrafting(
        final World w, final double posX, final double posY, final double posZ
    ) {
        final float x = (float) (((Platform.getRandomInt() % 100) * 0.01) - 0.5) * 0.7f;
        final float y = (float) (((Platform.getRandomInt() % 100) * 0.01) - 0.5) * 0.7f;
        final float z = (float) (((Platform.getRandomInt() % 100) * 0.01) - 0.5) * 0.7f;

        final CraftingFx fx
            = new CraftingFx(w, posX + x, posY + y, posZ + z, Items.diamond);

        fx.motionX = -x * 0.2;
        fx.motionY = -y * 0.2;
        fx.motionZ = -z * 0.2;

        Minecraft.getMinecraft().effectRenderer.addEffect(fx);
    }

    private void
    spawnEnergy(final World w, final double posX, final double posY, final double posZ) {
        final float x = (float) (((Platform.getRandomInt() % 100) * 0.01) - 0.5) * 0.7f;
        final float y = (float) (((Platform.getRandomInt() % 100) * 0.01) - 0.5) * 0.7f;
        final float z = (float) (((Platform.getRandomInt() % 100) * 0.01) - 0.5) * 0.7f;

        final EnergyFx fx = new EnergyFx(w, posX + x, posY + y, posZ + z, Items.diamond);

        fx.motionX = -x * 0.1;
        fx.motionY = -y * 0.1;
        fx.motionZ = -z * 0.1;

        Minecraft.getMinecraft().effectRenderer.addEffect(fx);
    }

    private void spawnLightning(
        final World worldObj, final double posX, final double posY, final double posZ
    ) {
        final LightningFX fx
            = new LightningFX(worldObj, posX, posY + 0.3f, posZ, 0.0f, 0.0f, 0.0f);
        Minecraft.getMinecraft().effectRenderer.addEffect(fx);
    }

    private void spawnLightningArc(
        final World worldObj,
        final double posX,
        final double posY,
        final double posZ,
        final Vec3 second
    ) {
        final LightningFX fx = new LightningArcFX(
            worldObj,
            posX,
            posY,
            posZ,
            second.xCoord,
            second.yCoord,
            second.zCoord,
            0.0f,
            0.0f,
            0.0f
        );
        Minecraft.getMinecraft().effectRenderer.addEffect(fx);
    }

    @Override
    public boolean shouldAddParticles(final Random r) {
        final int setting = Minecraft.getMinecraft().gameSettings.particleSetting;
        if (setting == 2) {
            return false;
        }
        if (setting == 0) {
            return true;
        }
        return r.nextInt(2 * (setting + 1)) == 0;
    }

    @Override
    public MovingObjectPosition getMOP() {
        return Minecraft.getMinecraft().objectMouseOver;
    }

    @Override
    public void doRenderItem(final ItemStack itemstack, final World w) {
        if (itemstack != null) {
            final EntityItem entityitem = new EntityItem(w, 0.0D, 0.0D, 0.0D, itemstack);
            entityitem.getEntityItem().stackSize = 1;

            // set all this stuff and then do shit? meh?
            entityitem.hoverStart = 0;
            entityitem.age = 0;
            entityitem.rotationYaw = 0;

            GL11.glPushMatrix();
            GL11.glTranslatef(0, -0.04F, 0);
            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
            // GL11.glDisable( GL11.GL_CULL_FACE );

            if (itemstack.isItemEnchanted()
                || itemstack.getItem().requiresMultipleRenderPasses()) {
                GL11.glTranslatef(0.0f, -0.05f, -0.25f);
                GL11.glScalef(1.0f / 1.5f, 1.0f / 1.5f, 1.0f / 1.5f);
                // GL11.glTranslated( -8.0, -12.2, -10.6 );
                GL11.glScalef(1.0f, -1.0f, 0.005f);
                // GL11.glScalef( 1.0f , -1.0f, 1.0f );

                final Block block = Block.getBlockFromItem(itemstack.getItem());
                if ((itemstack.getItemSpriteNumber() == 0 && block != null
                     && RenderBlocks.renderItemIn3d(block.getRenderType()))) {
                    GL11.glRotatef(25.0f, 1.0f, 0.0f, 0.0f);
                    GL11.glRotatef(15.0f, 0.0f, 1.0f, 0.0f);
                    GL11.glRotatef(30.0f, 0.0f, 1.0f, 0.0f);
                }

                final IItemRenderer customRenderer = MinecraftForgeClient.getItemRenderer(
                    itemstack, IItemRenderer.ItemRenderType.ENTITY
                );
                if (customRenderer != null
                    && !(itemstack.getItem() instanceof ItemBlock)) {
                    if (customRenderer.shouldUseRenderHelper(
                            IItemRenderer.ItemRenderType.ENTITY,
                            itemstack,
                            IItemRenderer.ItemRendererHelper.BLOCK_3D
                        )) {
                        GL11.glTranslatef(0, -0.04F, 0);
                        GL11.glScalef(0.7f, 0.7f, 0.7f);
                        GL11.glRotatef(35, 1, 0, 0);
                        GL11.glRotatef(45, 0, 1, 0);
                        GL11.glRotatef(-90, 0, 1, 0);
                    }
                } else if (itemstack.getItem() instanceof ItemBlock) {
                    GL11.glTranslatef(0, -0.04F, 0);
                    GL11.glScalef(1.1f, 1.1f, 1.1f);
                    GL11.glRotatef(-90, 0, 1, 0);
                } else {
                    GL11.glTranslatef(0, -0.14F, 0);
                    GL11.glScalef(0.8f, 0.8f, 0.8f);
                }

                RenderItem.renderInFrame = true;
                RenderManager.instance.renderEntityWithPosYaw(
                    entityitem, 0.0D, 0.0D, 0.0D, 0.0F, 0.0F
                );
                RenderItem.renderInFrame = false;
            } else {
                GL11.glScalef(1.0f / 42.0f, 1.0f / 42.0f, 1.0f / 42.0f);
                GL11.glTranslated(-8.0, -10.2, -10.4);
                GL11.glScalef(1.0f, 1.0f, 0.005f);

                RenderItem.renderInFrame = false;
                final FontRenderer fr = Minecraft.getMinecraft().fontRenderer;
                if (!ForgeHooksClient.renderInventoryItem(
                        BLOCK_RENDERER,
                        Minecraft.getMinecraft().renderEngine,
                        itemstack,
                        true,
                        0,
                        0,
                        0
                    )) {
                    ITEM_RENDERER.renderItemIntoGUI(
                        fr, Minecraft.getMinecraft().renderEngine, itemstack, 0, 0, false
                    );
                }
            }

            GL11.glPopMatrix();
        }
    }

    @Override
    public void postInit() {
        RenderingRegistry.registerBlockHandler(WorldRender.INSTANCE);
        RenderManager.instance.entityRenderMap.put(
            EntityTinyTNTPrimed.class, new RenderTinyTNTPrimed()
        );
        RenderManager.instance.entityRenderMap.put(
            EntityFloatingItem.class, new RenderFloatingItem()
        );
    }

    @Override
    public CableRenderMode getRenderMode() {
        if (Platform.isServer()) {
            return super.getRenderMode();
        }

        final Minecraft mc = Minecraft.getMinecraft();
        final EntityPlayer player = mc.thePlayer;

        return this.renderModeForPlayer(player);
    }

    @Override
    public void triggerUpdates() {
        final Minecraft mc = Minecraft.getMinecraft();
        if (mc == null || mc.thePlayer == null || mc.theWorld == null) {
            return;
        }

        final EntityPlayer player = mc.thePlayer;

        final int x = (int) player.posX;
        final int y = (int) player.posY;
        final int z = (int) player.posZ;

        final int range = 16 * 16;

        mc.theWorld.markBlockRangeForRenderUpdate(
            x - range, y - range, z - range, x + range, y + range, z + range
        );
    }

    @Override
    public void missingCoreMod() {
        throw new MissingCoreMod();
    }

    @SubscribeEvent
    public void wheelEvent(final MouseEvent me) {
        if (me.isCanceled() || me.dwheel == 0) {
            return;
        }

        final Minecraft mc = Minecraft.getMinecraft();
        final EntityPlayer player = mc.thePlayer;
        final ItemStack is = player.getHeldItem();

        if (is != null && is.getItem() instanceof IMouseWheelItem
            && player.isSneaking()) {
            try {
                NetworkHandler.instance.sendToServer(
                    new PacketValueConfig("Item", me.dwheel > 0 ? "WheelUp" : "WheelDown")
                );
                me.setCanceled(true);
            } catch (final IOException e) {
                AELog.debug(e);
            }
        }
    }

    @SubscribeEvent
    public void updateTextureSheet(final TextureStitchEvent.Pre ev) {
        if (ev.map.getTextureType() == 1) {
            for (final ExtraItemTextures et : ExtraItemTextures.values()) {
                et.registerIcon(ev.map);
            }
        }

        if (ev.map.getTextureType() == 0) {
            for (final ExtraBlockTextures et : ExtraBlockTextures.values()) {
                et.registerIcon(ev.map);
            }

            for (final CableBusTextures cb : CableBusTextures.values()) {
                cb.registerIcon(ev.map);
            }
        }
    }
}