package com.hbm.tileentity.machine;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import com.hbm.handler.FluidTypeHandler.FluidType;
import com.hbm.interfaces.IConsumer;
import com.hbm.interfaces.IFluidAcceptor;
import com.hbm.interfaces.IFluidContainer;
import com.hbm.inventory.FluidTank;
import com.hbm.inventory.MachineRecipes;
import com.hbm.inventory.MachineRecipes.GasCentOutput;
import com.hbm.lib.Library;
import com.hbm.packet.AuxElectricityPacket;
import com.hbm.packet.AuxGaugePacket;
import com.hbm.packet.LoopedSoundPacket;
import com.hbm.packet.PacketDispatcher;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Items;
import net.minecraft.inventory.ISidedInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.AxisAlignedBB;

public class TileEntityMachineGasCent extends TileEntity implements ISidedInventory, IConsumer, IFluidContainer, IFluidAcceptor {

	private ItemStack slots[];
	
	public long power;
	public int progress;
	public boolean isProgressing;
	public static final int maxPower = 100000;
	public static final int processingSpeed = 200;
	
	public FluidTank tank;
	
	private static final int[] slots_top = new int[] {3};
	private static final int[] slots_bottom = new int[] {5, 6, 7, 8};
	private static final int[] slots_side = new int[] {0, 3};
	
	private String customName;
	
	public TileEntityMachineGasCent() {
		slots = new ItemStack[9];
		tank = new FluidTank(FluidType.UF6, 8000, 0);
	}

	@Override
	public int getSizeInventory() {
		return slots.length;
	}

	@Override
	public ItemStack getStackInSlot(int i) {
		return slots[i];
	}

	@Override
	public ItemStack getStackInSlotOnClosing(int i) {
		if(slots[i] != null)
		{
			ItemStack itemStack = slots[i];
			slots[i] = null;
			return itemStack;
		} else {
		return null;
		}
	}

	@Override
	public void setInventorySlotContents(int i, ItemStack itemStack) {
		slots[i] = itemStack;
		if(itemStack != null && itemStack.stackSize > getInventoryStackLimit())
		{
			itemStack.stackSize = getInventoryStackLimit();
		}
	}

	@Override
	public String getInventoryName() {
		return this.hasCustomInventoryName() ? this.customName : "container.gasCentrifuge";
	}

	@Override
	public boolean hasCustomInventoryName() {
		return this.customName != null && this.customName.length() > 0;
	}
	
	public void setCustomName(String name) {
		this.customName = name;
	}

	@Override
	public int getInventoryStackLimit() {
		return 64;
	}

	@Override
	public boolean isUseableByPlayer(EntityPlayer player) {
		if(worldObj.getTileEntity(xCoord, yCoord, zCoord) != this)
		{
			return false;
		}else{
			return player.getDistanceSq(xCoord + 0.5D, yCoord + 0.5D, zCoord + 0.5D) <=64;
		}
	}
	
	//You scrubs aren't needed for anything (right now)
	@Override
	public void openInventory() {}
	@Override
	public void closeInventory() {}

	@Override
	public boolean isItemValidForSlot(int i, ItemStack itemStack) {
		if(i == 2 || i == 3 || i == 4 || i == 5)
		{
			return false;
		}
		
		return true;
	}
	
	@Override
	public ItemStack decrStackSize(int i, int j) {
		if(slots[i] != null)
		{
			if(slots[i].stackSize <= j)
			{
				ItemStack itemStack = slots[i];
				slots[i] = null;
				return itemStack;
			}
			ItemStack itemStack1 = slots[i].splitStack(j);
			if (slots[i].stackSize == 0)
			{
				slots[i] = null;
			}
			
			return itemStack1;
		} else {
			return null;
		}
	}
	
	@Override
	public void readFromNBT(NBTTagCompound nbt) {
		super.readFromNBT(nbt);
		NBTTagList list = nbt.getTagList("items", 10);
		
		power = nbt.getLong("powerTime");
		progress = nbt.getShort("CookTime");
		tank.readFromNBT(nbt, "tank");
		slots = new ItemStack[getSizeInventory()];
		
		for(int i = 0; i < list.tagCount(); i++)
		{
			NBTTagCompound nbt1 = list.getCompoundTagAt(i);
			byte b0 = nbt1.getByte("slot");
			if(b0 >= 0 && b0 < slots.length)
			{
				slots[b0] = ItemStack.loadItemStackFromNBT(nbt1);
			}
		}
	}
	
	@Override
	public void writeToNBT(NBTTagCompound nbt) {
		super.writeToNBT(nbt);
		nbt.setLong("powerTime", power);
		nbt.setShort("cookTime", (short) progress);
		tank.writeToNBT(nbt, "tank");
		NBTTagList list = new NBTTagList();
		
		for(int i = 0; i < slots.length; i++)
		{
			if(slots[i] != null)
			{
				NBTTagCompound nbt1 = new NBTTagCompound();
				nbt1.setByte("slot", (byte)i);
				slots[i].writeToNBT(nbt1);
				list.appendTag(nbt1);
			}
		}
		nbt.setTag("items", list);
	}
	
	@Override
	public int[] getAccessibleSlotsFromSide(int p_94128_1_)
    {
        return p_94128_1_ == 0 ? slots_bottom : (p_94128_1_ == 1 ? slots_top : slots_side);
    }

	@Override
	public boolean canInsertItem(int i, ItemStack itemStack, int j) {
		return this.isItemValidForSlot(i, itemStack);
	}

	@Override
	public boolean canExtractItem(int i, ItemStack itemStack, int j) {
		return j != 0 || i != 1 || itemStack.getItem() == Items.bucket;
	}
	
	public int getCentrifugeProgressScaled(int i) {
		return (progress * i) / processingSpeed;
	}
	
	public long getPowerRemainingScaled(int i) {
		return (power * i) / maxPower;
	}
	
	private boolean canProcess() {
		
		if(power > 0 && this.tank.getFill() >= MachineRecipes.getFluidConsumedGasCent(tank.getTankType())) {
			
			List<GasCentOutput> list = MachineRecipes.getGasCentOutput(tank.getTankType());
			
			if(list == null)
				return false;
			
			if(list.size() < 1 || list.size() > 4)
				return false;
			
			for(int i = 0; i < list.size(); i++) {
				
				int slot = i + 5;
				
				if(slots[slot] == null)
					continue;
				
				if(slots[slot].getItem() == list.get(i).output.getItem() &&
						slots[slot].getItemDamage() == list.get(i).output.getItemDamage() &&
						slots[slot].stackSize + list.get(i).output.stackSize <= slots[slot].getMaxStackSize())
					continue;
				
				return false;
			}
			
			return true;
		}
		
		return false;
	}
	
	private void process() {

		List<GasCentOutput> out = MachineRecipes.getGasCentOutput(tank.getTankType());
		this.progress = 0;
		tank.setFill(tank.getFill() - MachineRecipes.getFluidConsumedGasCent(tank.getTankType()));
		
		List<GasCentOutput> random = new ArrayList();
		
		for(int i = 0; i < out.size(); i++) {
			for(int j = 0; j < out.get(i).weight; j++) {
				random.add(out.get(i));
			}
		}
		
		Collections.shuffle(random);
		
		GasCentOutput result = random.get(worldObj.rand.nextInt(random.size()));
		
		int slot = result.slot + 4;
		
		if(slots[slot] == null) {
			slots[slot] = result.output.copy();
		} else {
			slots[slot].stackSize += result.output.stackSize;
		}
	}
	
	@Override
	public void updateEntity() {

		if(!worldObj.isRemote) {

			power = Library.chargeTEFromItems(slots, 0, power, maxPower);
			tank.setType(1, 2, slots);
			tank.loadTank(3, 4, slots);
			tank.updateTank(xCoord, yCoord, zCoord);
			
			if(canProcess()) {
				
				isProgressing = true;
				
				this.progress++;
				
				this.power -= 200;
				
				if(this.power < 0)
					power = 0;
				
				if(progress >= processingSpeed) {
					process();
				}
				
			} else {
				isProgressing = false;
				this.progress = 0;
			}

			PacketDispatcher.wrapper.sendToAll(new AuxElectricityPacket(xCoord, yCoord, zCoord, power));
			PacketDispatcher.wrapper.sendToAll(new AuxGaugePacket(xCoord, yCoord, zCoord, progress, 0));
			PacketDispatcher.wrapper.sendToAll(new AuxGaugePacket(xCoord, yCoord, zCoord, isProgressing ? 1 : 0, 1));
			PacketDispatcher.wrapper.sendToAll(new LoopedSoundPacket(xCoord, yCoord, zCoord));
		}
	}
	
	@Override
	public AxisAlignedBB getRenderBoundingBox() {
		return TileEntity.INFINITE_EXTENT_AABB;
	}
	
	@Override
	@SideOnly(Side.CLIENT)
	public double getMaxRenderDistanceSquared()
	{
		return 65536.0D;
	}

	@Override
	public void setPower(long i) {
		power = i;
	}

	@Override
	public long getPower() {
		return power;
		
	}

	@Override
	public long getMaxPower() {
		return maxPower;
	}

	@Override
	public void setFillstate(int fill, int index) {
		tank.setFill(fill);
	}

	@Override
	public void setType(FluidType type, int index) {
		tank.setTankType(type);
	}

	@Override
	public int getMaxAFluidFill(FluidType type) {
		return type.name().equals(this.tank.getTankType().name()) ? tank.getMaxFill() : 0;
	}

	@Override
	public int getAFluidFill(FluidType type) {
		return type.name().equals(this.tank.getTankType().name()) ? tank.getFill() : 0;
	}

	@Override
	public void setAFluidFill(int i, FluidType type) {
		if(type.name().equals(tank.getTankType().name()))
			tank.setFill(i);
	}

}