package com.hbm.tileentity.machine;

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

import com.hbm.handler.FluidTypeHandler.FluidType;
import com.hbm.interfaces.IFluidAcceptor;
import com.hbm.interfaces.IFluidContainer;
import com.hbm.interfaces.IFluidSource;
import com.hbm.inventory.FluidTank;
import com.hbm.items.ModItems;
import com.hbm.lib.Library;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.entity.player.EntityPlayer;
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 TileEntityMachineFluidTank extends TileEntity implements ISidedInventory, IFluidContainer, IFluidSource, IFluidAcceptor {

	private ItemStack slots[];
	
	//public static final int maxFill = 64 * 3;
	public FluidTank tank;

	private static final int[] slots_top = new int[] {0};
	private static final int[] slots_bottom = new int[] {0};
	private static final int[] slots_side = new int[] {0};
	public int age = 0;
	public List<IFluidAcceptor> list = new ArrayList();
	
	private String customName;
	
	public TileEntityMachineFluidTank() {
		slots = new ItemStack[7];
		tank = new FluidTank(FluidType.NONE, 256000, 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.fluidtank";
	}

	@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;
		}
	}
	
	@Override
	public void openInventory() {}
	@Override
	public void closeInventory() {}

	@Override
	public boolean isItemValidForSlot(int i, ItemStack stack) {
		return false;
	}
	
	@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);
		
		slots = new ItemStack[getSizeInventory()];
		
		tank.readFromNBT(nbt, "content");
		
		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);
		NBTTagList list = new NBTTagList();
		
		tank.writeToNBT(nbt, "content");
		
		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 true;
	}
	
	@Override
	public void updateEntity() {

		if(!worldObj.isRemote)
		{
			age++;
			if(age >= 20)
			{
				age = 0;
			}
			
			if((age == 9 || age == 19) && dna())
				fillFluidInit(tank.getTankType());
			
			tank.loadTank(2, 3, slots);
			tank.setType(0, 1, slots);
			tank.unloadTank(4, 5, slots);
			tank.updateTank(xCoord, yCoord, zCoord, worldObj.provider.dimensionId);
		}
	}
	
	public boolean dna() {
		if(slots[6] != null && (slots[6].getItem() == ModItems.fuse || slots[6].getItem() == ModItems.screwdriver))
			return true;
		return false;
	}
	
	@Override
	public AxisAlignedBB getRenderBoundingBox() {
		return TileEntity.INFINITE_EXTENT_AABB;
	}
	
	@Override
	@SideOnly(Side.CLIENT)
	public double getMaxRenderDistanceSquared()
	{
		return 65536.0D;
	}

	@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 getMaxFluidFill(FluidType type) {
		return type.name().equals(this.tank.getTankType().name()) ? tank.getMaxFill() : 0;
	}

	@Override
	public void fillFluidInit(FluidType type) {
		fillFluid(this.xCoord + 2, this.yCoord, this.zCoord - 1, getTact(), type);
		fillFluid(this.xCoord + 2, this.yCoord, this.zCoord + 1, getTact(), type);
		fillFluid(this.xCoord - 2, this.yCoord, this.zCoord - 1, getTact(), type);
		fillFluid(this.xCoord - 2, this.yCoord, this.zCoord + 1, getTact(), type);
		fillFluid(this.xCoord - 1, this.yCoord, this.zCoord + 2, getTact(), type);
		fillFluid(this.xCoord + 1, this.yCoord, this.zCoord + 2, getTact(), type);
		fillFluid(this.xCoord - 1, this.yCoord, this.zCoord - 2, getTact(), type);
		fillFluid(this.xCoord + 1, this.yCoord, this.zCoord - 2, getTact(), type);
	}

	@Override
	public void fillFluid(int x, int y, int z, boolean newTact, FluidType type) {
		Library.transmitFluid(x, y, z, newTact, this, worldObj, type);
	}

	@Override
	public boolean getTact() {
		if (age >= 0 && age < 10) {
			return true;
		}

		return false;
	}

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

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

	@Override
	public List<IFluidAcceptor> getFluidList(FluidType type) {
		return this.list;
	}

	@Override
	public void clearFluidList(FluidType type) {
		this.list.clear();
	}

	@Override
	public List<FluidTank> getTanks() {
		List<FluidTank> list = new ArrayList();
		list.add(tank);
		
		return list;
	}
}