package com.hbm.tileentity.machine;

import java.util.HashMap;

import com.hbm.inventory.RecipesCommon.ComparableStack;
import com.hbm.inventory.container.ContainerSILEX;
import com.hbm.inventory.fluid.FluidType;
import com.hbm.inventory.fluid.Fluids;
import com.hbm.inventory.fluid.tank.FluidTank;
import com.hbm.inventory.gui.GUISILEX;
import com.hbm.inventory.recipes.SILEXRecipes;
import com.hbm.inventory.recipes.SILEXRecipes.SILEXRecipe;
import com.hbm.items.ModItems;
import com.hbm.items.machine.ItemFELCrystal.EnumWavelengths;
import com.hbm.tileentity.IGUIProvider;
import com.hbm.tileentity.TileEntityMachineBase;
import com.hbm.util.BufferUtil;
import com.hbm.util.CompatEnergyControl;
import com.hbm.util.InventoryUtil;
import com.hbm.util.WeightedRandomObject;

import api.hbm.fluid.IFluidStandardReceiver;
import api.hbm.tile.IInfoProviderEC;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import io.netty.buffer.ByteBuf;
import net.minecraft.client.gui.GuiScreen;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.world.World;
import net.minecraftforge.common.util.ForgeDirection;

public class TileEntitySILEX extends TileEntityMachineBase implements IFluidStandardReceiver, IGUIProvider, IInfoProviderEC {

	public EnumWavelengths mode = EnumWavelengths.NULL;
	public boolean hasLaser;
	public FluidTank tank;
	public ComparableStack current;
	public int currentFill;
	public static final int maxFill = 16000;
	public int progress;
	public final int processTime = 100;

	// 0: Input
	// 1: Fluid ID
	// 2-3: Fluid Containers
	// 4: Output
	// 5-10: Queue

	public TileEntitySILEX() {
		super(11);
		tank = new FluidTank(Fluids.PEROXIDE, 16000);
	}

	@Override
	public String getName() {
		return "container.machineSILEX";
	}

	@Override
	public void updateEntity() {

		if(!worldObj.isRemote) {

			tank.setType(1, 1, slots);
			tank.loadTank(2, 3, slots);
			
			ForgeDirection dir = ForgeDirection.getOrientation(this.getBlockMetadata() - 10).getRotation(ForgeDirection.UP);
			this.trySubscribe(tank.getTankType(), worldObj, xCoord + dir.offsetX * 2, yCoord + 1, zCoord + dir.offsetZ * 2, dir);
			this.trySubscribe(tank.getTankType(), worldObj, xCoord - dir.offsetX * 2, yCoord + 1, zCoord - dir.offsetZ * 2, dir.getOpposite());

			loadFluid();

			if(!process()) {
				this.progress = 0;
			}

			dequeue();

			if(currentFill <= 0) {
				current = null;
			}
			
			this.networkPackNT(50);

			this.mode = EnumWavelengths.NULL;
		}
	}
	
	@Override
	public void serialize(ByteBuf buf) {
		super.serialize(buf);
		buf.writeInt(currentFill);
		buf.writeInt(progress);
		BufferUtil.writeString(buf, mode.toString());
		
		tank.serialize(buf);
		
		if(this.current != null) {
			buf.writeInt(Item.getIdFromItem(this.current.item));
			buf.writeInt(this.current.meta);
		}
	}
	
	@Override
	public void deserialize(ByteBuf buf) {
		super.deserialize(buf);
		currentFill = buf.readInt();
		progress = buf.readInt();
		mode = EnumWavelengths.valueOf(BufferUtil.readString(buf));
		
		tank.deserialize(buf);
		
		if(currentFill > 0) {
			current = new ComparableStack(Item.getItemById(buf.readInt()), 1, buf.readInt());
		} else
			current = null;
	}

	public void handleButtonPacket(int value, int meta) {

		this.currentFill = 0;
		this.current = null;
	}

	public int getProgressScaled(int i) {
		return (progress * i) / processTime;
	}

	public int getFluidScaled(int i) {
		return (tank.getFill() * i) / tank.getMaxFill();
	}

	public int getFillScaled(int i) {
		return (currentFill * i) / maxFill;
	}

	public static final HashMap<FluidType, ComparableStack> fluidConversion = new HashMap();

	static {
		putFluid(Fluids.UF6);
		putFluid(Fluids.PUF6);
		putFluid(Fluids.DEATH);
	}

	private static void putFluid(FluidType fluid) {
		fluidConversion.put(fluid, new ComparableStack(ModItems.fluid_icon, 1, fluid.getID()));
	}

	int loadDelay;

	public void loadFluid() {

		ComparableStack conv = fluidConversion.get(tank.getTankType());

		if(conv != null) {

			if(currentFill == 0) {
				current = (ComparableStack) conv.copy();
			}

			if(current != null && current.equals(conv)) {

				int toFill = Math.min(50, Math.min(maxFill - currentFill, tank.getFill()));
				currentFill += toFill;
				tank.setFill(tank.getFill() - toFill);
			}
		} else {
			ComparableStack direct = new ComparableStack(ModItems.fluid_icon, 1, tank.getTankType().getID());
			
			if(SILEXRecipes.getOutput(direct.toStack()) != null) {

				if(currentFill == 0) {
					current = (ComparableStack) direct.copy();
				}

				if(current != null && current.equals(direct)) {

					int toFill = Math.min(50, Math.min(maxFill - currentFill, tank.getFill()));
					currentFill += toFill;
					tank.setFill(tank.getFill() - toFill);
				}
			}
		}

		loadDelay++;

		if(loadDelay > 20)
			loadDelay = 0;

		if(loadDelay == 0 && slots[0] != null && tank.getTankType() == Fluids.PEROXIDE && (this.current == null || this.current.equals(new ComparableStack(slots[0]).makeSingular()))) {
			SILEXRecipe recipe = SILEXRecipes.getOutput(slots[0]);

			if(recipe == null)
				return;

			int load = recipe.fluidProduced;

			if(load <= this.maxFill - this.currentFill && load <= tank.getFill()) {
				this.currentFill += load;
				this.current = new ComparableStack(slots[0]).makeSingular();
				tank.setFill(tank.getFill() - load);
				this.decrStackSize(0, 1);
			}
		}
	}

	private boolean process() {

		if(current == null || currentFill <= 0)
			return false;

		SILEXRecipe recipe = SILEXRecipes.getOutput(current.toStack());

		if(recipe == null)
			return false;

		if(recipe.laserStrength.ordinal() > this.mode.ordinal())
			return false;

		if(currentFill < recipe.fluidConsumed)
			return false;

		if(slots[4] != null)
			return false;

		int progressSpeed = (int) Math.pow(2, this.mode.ordinal() - recipe.laserStrength.ordinal() + 1) / 2;

		progress += progressSpeed;

		if(progress >= processTime) {

			currentFill -= recipe.fluidConsumed;
			
			int totalWeight = 0;
			for(WeightedRandomObject weighted : recipe.outputs) totalWeight += weighted.itemWeight;
			this.recipeIndex %= Math.max(totalWeight, 1);
			
			int weight = 0;
			
			for(WeightedRandomObject weighted : recipe.outputs) {
				weight += weighted.itemWeight;
				
				if(this.recipeIndex < weight) {
					slots[4] = weighted.asStack().copy();
					break;
				}
			}

			progress = 0;
			this.markDirty();
			
			this.recipeIndex += PRIME;
		}

		return true;
	}
	
	public static final int PRIME = 137;
	public int recipeIndex = 0;

	private void dequeue() {

		if(slots[4] != null) {

			for(int i = 5; i < 11; i++) {

				if(slots[i] != null && slots[i].stackSize < slots[i].getMaxStackSize() && InventoryUtil.doesStackDataMatch(slots[4], slots[i])) {
					slots[i].stackSize++;
					this.decrStackSize(4, 1);
					return;
				}
			}

			for(int i = 5; i < 11; i++) {

				if(slots[i] == null) {
					slots[i] = slots[4].copy();
					slots[4] = null;
					return;
				}
			}
		}
	}

	@Override
	public int[] getAccessibleSlotsFromSide(int p_94128_1_) {
		return new int[] { 0, 5, 6, 7, 8, 9, 10 };
	}

	@Override
	public boolean isItemValidForSlot(int i, ItemStack itemStack) {

		if(i == 0)
			return SILEXRecipes.getOutput(itemStack) != null;

		return false;
	}

	@Override
	public boolean canExtractItem(int slot, ItemStack itemStack, int side) {
		return slot >= 5;
	}

	@Override
	public void readFromNBT(NBTTagCompound nbt) {
		super.readFromNBT(nbt);
		this.tank.readFromNBT(nbt, "tank");
		this.currentFill = nbt.getInteger("fill");
		this.recipeIndex = nbt.getInteger("recipeIndex");
		this.mode = EnumWavelengths.valueOf(nbt.getString("mode"));

		if(this.currentFill > 0) {
			this.current = new ComparableStack(Item.getItemById(nbt.getInteger("item")), 1, nbt.getInteger("meta"));
		}
	}

	@Override
	public void writeToNBT(NBTTagCompound nbt) {
		super.writeToNBT(nbt);
		this.tank.writeToNBT(nbt, "tank");
		nbt.setInteger("fill", this.currentFill);
		nbt.setInteger("recipeIndex", this.recipeIndex);
		nbt.setString("mode", mode.toString());

		if(this.current != null) {
			nbt.setInteger("item", Item.getIdFromItem(this.current.item));
			nbt.setInteger("meta", this.current.meta);
		}
	}

	@Override
	public AxisAlignedBB getRenderBoundingBox() {
		return AxisAlignedBB.getBoundingBox(xCoord - 1, yCoord, zCoord - 1, xCoord + 2, yCoord + 3, zCoord + 2);
	}

	@Override
	@SideOnly(Side.CLIENT)
	public double getMaxRenderDistanceSquared() {
		return 65536.0D;
	}

	@Override
	public FluidTank[] getAllTanks() {
		return new FluidTank[] {tank};
	}

	@Override
	public FluidTank[] getReceivingTanks() {
		return new FluidTank[] {tank};
	}

	@Override
	public Container provideContainer(int ID, EntityPlayer player, World world, int x, int y, int z) {
		return new ContainerSILEX(player.inventory, this);
	}

	@Override
	@SideOnly(Side.CLIENT)
	public GuiScreen provideGUI(int ID, EntityPlayer player, World world, int x, int y, int z) {
		return new GUISILEX(player.inventory, this);
	}

	@Override
	public void provideExtraInfo(NBTTagCompound data) {
		data.setBoolean(CompatEnergyControl.B_ACTIVE, this.progress > 0);
		if(current == null)
			data.setString("tank2", "N/A");
		else
			data.setString("tank2", String.format("%s: %s mB", current.toStack().getDisplayName(), currentFill));
	}
}