package cz.grossik.farmcraft2.pan;

import javax.annotation.Nullable;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.init.Items;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.IInventory;
import net.minecraft.inventory.ISidedInventory;
import net.minecraft.inventory.ItemStackHelper;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.tileentity.TileEntityLockable;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.ITickable;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

public class TileEntityPan extends TileEntityLockable implements ITickable, ISidedInventory
{
	//0 je nalevo, 2 napravo
    private static final int[] slotsTop = new int[] {0};
    private static final int[] slotsBottom = new int[] {2};
    private static final int[] slotsSides = new int[] {0};
    private ItemStack[] furnaceItemStacks = new ItemStack[3];
    private int furnaceBurnTime;
    private int cookTime;
    private int totalCookTime;
    private String furnaceCustomName;

    public int getSizeInventory()
    {
        return this.furnaceItemStacks.length;
    }

    public ItemStack getStackInSlot(int index)
    {
        return this.furnaceItemStacks[index];
    }

    @Nullable
    public ItemStack decrStackSize(int index, int count)
    {
        return ItemStackHelper.getAndSplit(this.furnaceItemStacks, index, count);
    }

    @Nullable
    public ItemStack removeStackFromSlot(int index)
    {
        return ItemStackHelper.getAndRemove(this.furnaceItemStacks, index);
    }

    public boolean isBurning()
    {
        return this.totalCookTime > 0;
    }

    public void setInventorySlotContents(int index, ItemStack stack)
    {
        boolean flag = stack != null && stack.isItemEqual(this.furnaceItemStacks[index]) && ItemStack.areItemStackTagsEqual(stack, this.furnaceItemStacks[index]);
        this.furnaceItemStacks[index] = stack;

        if (stack != null && stack.stackSize > this.getInventoryStackLimit())
        {
            stack.stackSize = this.getInventoryStackLimit();
        }

        if (index == 0 && !flag)
        {
            this.totalCookTime = 120;
            this.cookTime = 0;
            this.markDirty();
        }
    }

    public String getName()
    {
        return this.hasCustomName() ? this.furnaceCustomName : "Pan";
    }

    public boolean hasCustomName()
    {
        return this.furnaceCustomName != null && !this.furnaceCustomName.isEmpty();
    }

    public void setCustomInventoryName(String p_145951_1_)
    {
        this.furnaceCustomName = p_145951_1_;
    }

    public void readFromNBT(NBTTagCompound compound)
    {
        super.readFromNBT(compound);
        NBTTagList nbttaglist = compound.getTagList("Items", 10);
        this.furnaceItemStacks = new ItemStack[this.getSizeInventory()];

        for (int i = 0; i < nbttaglist.tagCount(); ++i)
        {
            NBTTagCompound nbttagcompound = nbttaglist.getCompoundTagAt(i);
            int j = nbttagcompound.getByte("Slot");

            if (j >= 0 && j < this.furnaceItemStacks.length)
            {
                this.furnaceItemStacks[j] = ItemStack.loadItemStackFromNBT(nbttagcompound);
            }
        }

        this.furnaceBurnTime = compound.getInteger("BurnTime");
        this.cookTime = compound.getInteger("CookTime");
        this.totalCookTime = compound.getInteger("CookTimeTotal");

        if (compound.hasKey("CustomName", 8))
        {
            this.furnaceCustomName = compound.getString("CustomName");
        }
    }

    public NBTTagCompound writeToNBT(NBTTagCompound compound)
    {
        super.writeToNBT(compound);
        compound.setInteger("BurnTime", this.furnaceBurnTime);
        compound.setInteger("CookTime", this.cookTime);
        compound.setInteger("CookTimeTotal", this.totalCookTime);
        NBTTagList nbttaglist = new NBTTagList();

        for (int i = 0; i < this.furnaceItemStacks.length; ++i)
        {
            if (this.furnaceItemStacks[i] != null)
            {
                NBTTagCompound nbttagcompound = new NBTTagCompound();
                nbttagcompound.setByte("Slot", (byte)i);
                this.furnaceItemStacks[i].writeToNBT(nbttagcompound);
                nbttaglist.appendTag(nbttagcompound);
            }
        }

        compound.setTag("Items", nbttaglist);

        if (this.hasCustomName())
        {
            compound.setString("CustomName", this.furnaceCustomName);
        }
		return compound;
    }

    public int getInventoryStackLimit()
    {
        return 1;
    }

    @SideOnly(Side.CLIENT)
    public static boolean isBurning(IInventory p_174903_0_)
    {
        return p_174903_0_.getField(3) > 0;
    }

    public void update()
    {
        boolean flag = this.isBurning();
        boolean flag1 = false;

        	if (this.isBurning() && this.canSmelt())
        	{
        		++this.cookTime;

        		if (this.cookTime == this.totalCookTime)
        		{
        			this.cookTime = 0;
        			this.totalCookTime = this.getCookTime(this.furnaceItemStacks[2]);
        			this.smeltItem();
        			flag1 = true;
        		}
        	}
            else
            {
                this.cookTime = 0;
                this.totalCookTime = 0;
            }
    }

    public int getCookTime(ItemStack stack)
    {
        return 0;
    }

    private boolean canSmelt()
    {
        if (this.furnaceItemStacks[0] == null)
        {
            return false;
        }
        else
        {
            ItemStack itemstack = PanRecipes.instance().getSmeltingResult(this.furnaceItemStacks[0]);
            if (itemstack == null) return false;
            if (this.furnaceItemStacks[2] == null) return true;
            if (!this.furnaceItemStacks[2].isItemEqual(itemstack)) return false;
            int result = furnaceItemStacks[2].stackSize + itemstack.stackSize;
            return result <= getInventoryStackLimit() && result <= this.furnaceItemStacks[2].getMaxStackSize(); //Forge BugFix: Make it respect stack sizes properly.
        }
    }

    /**
     * Turn one item from the furnace source stack into the appropriate smelted item in the furnace result stack
     */
    public void smeltItem()
    {
        if (this.canSmelt())
        {
            ItemStack itemstack = PanRecipes.instance().getSmeltingResult(this.furnaceItemStacks[0]);

            if (this.furnaceItemStacks[2] == null)
            {
                this.furnaceItemStacks[2] = itemstack.copy();
            }
            else if (this.furnaceItemStacks[2].getItem() == itemstack.getItem())
            {
                this.furnaceItemStacks[2].stackSize += itemstack.stackSize; // Forge BugFix: Results may have multiple items
            }

            --this.furnaceItemStacks[0].stackSize;

            if (this.furnaceItemStacks[0].stackSize <= 0)
            {
                this.furnaceItemStacks[0] = null;
            }
        }
    }

    public boolean isItemFuel(ItemStack p_145954_0_)
    {
        return this.totalCookTime > 0;
    }

    /**
     * Do not make give this method the name canInteractWith because it clashes with Container
     */
    public boolean isUseableByPlayer(EntityPlayer player)
    {
        return this.worldObj.getTileEntity(this.pos) != this ? false : player.getDistanceSq((double)this.pos.getX() + 0.5D, (double)this.pos.getY() + 0.5D, (double)this.pos.getZ() + 0.5D) <= 64.0D;
    }

    public void openInventory(EntityPlayer player)
    {
    }

    public void closeInventory(EntityPlayer player)
    {
    }

    /**
     * Returns true if automation is allowed to insert the given stack (ignoring stack size) into the given slot.
     */
    public boolean isItemValidForSlot(int index, ItemStack stack)
    {
        if (index == 2)
        {
            return false;
        }
        return true;
    }

    public int[] getSlotsForFace(EnumFacing side)
    {
        return side == EnumFacing.DOWN ? slotsBottom : (side == EnumFacing.UP ? slotsTop : slotsSides);
    }

    public boolean canInsertItem(int index, ItemStack itemStackIn, EnumFacing direction)
    {
        return this.isItemValidForSlot(index, itemStackIn);
    }

    public boolean canExtractItem(int index, ItemStack stack, EnumFacing direction)
    {
        if (direction == EnumFacing.DOWN && index == 1)
        {
            Item item = stack.getItem();

            if (item != Items.WATER_BUCKET && item != Items.BUCKET)
            {
                return false;
            }
        }

        return true;
    }

    public String getGuiID()
    {
        return "10";
    }

    public Container createContainer(InventoryPlayer playerInventory, EntityPlayer playerIn)
    {
        return new ContainerPan(playerInventory, this);
    }

    public int getField(int id)
    {
        switch (id)
        {
            case 0:
                return this.furnaceBurnTime;
            case 1:
                return this.furnaceBurnTime;
            case 2:
                return this.cookTime;
            case 3:
                return this.totalCookTime;
            default:
                return 0;
        }
    }

    public void setField(int id, int value)
    {
        switch (id)
        {
            case 0:
                this.furnaceBurnTime = value;
                break;
            case 1:

                break;
            case 2:
                this.cookTime = value;
                break;
            case 3:
                this.totalCookTime = value;
        }
    }

    public int getFieldCount()
    {
        return 4;
    }

    public void clear()
    {
        for (int i = 0; i < this.furnaceItemStacks.length; ++i)
        {
            this.furnaceItemStacks[i] = null;
        }
    }

    net.minecraftforge.items.IItemHandler handlerTop = new net.minecraftforge.items.wrapper.SidedInvWrapper(this, net.minecraft.util.EnumFacing.UP);
    net.minecraftforge.items.IItemHandler handlerBottom = new net.minecraftforge.items.wrapper.SidedInvWrapper(this, net.minecraft.util.EnumFacing.DOWN);
    net.minecraftforge.items.IItemHandler handlerSide = new net.minecraftforge.items.wrapper.SidedInvWrapper(this, net.minecraft.util.EnumFacing.WEST);

    @SuppressWarnings("unchecked")
    @Override
    public <T> T getCapability(net.minecraftforge.common.capabilities.Capability<T> capability, net.minecraft.util.EnumFacing facing)
    {
        if (facing != null && capability == net.minecraftforge.items.CapabilityItemHandler.ITEM_HANDLER_CAPABILITY)
            if (facing == EnumFacing.DOWN)
                return (T) handlerBottom;
            else if (facing == EnumFacing.UP)
                return (T) handlerTop;
            else
                return (T) handlerSide;
        return super.getCapability(capability, facing);
    }
}