package net.minecraft.tileentity;

import net.minecraft.block.Block;
import net.minecraft.block.BlockFurnace;
import net.minecraft.block.material.Material;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.ContainerFurnace;
import net.minecraft.inventory.IInventory;
import net.minecraft.inventory.ISidedInventory;
import net.minecraft.inventory.SlotFurnaceFuel;
import net.minecraft.item.Item;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemHoe;
import net.minecraft.item.ItemStack;
import net.minecraft.item.ItemSword;
import net.minecraft.item.ItemTool;
import net.minecraft.item.crafting.FurnaceRecipes;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.server.gui.IUpdatePlayerListBox;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.MathHelper;

public class TileEntityFurnace extends TileEntityLockable implements IUpdatePlayerListBox, ISidedInventory
{
    private static final int[] slotsTop = new int[] {0};
    private static final int[] slotsBottom = new int[] {2, 1};
    private static final int[] slotsSides = new int[] {1};

    /**
     * The ItemStacks that hold the items currently being used in the furnace
     */
    private ItemStack[] furnaceItemStacks = new ItemStack[3];

    /** The number of ticks that the furnace will keep burning */
    private int furnaceBurnTime;

    /**
     * The number of ticks that a fresh copy of the currently-burning item would keep the furnace burning for
     */
    private int currentItemBurnTime;
    private int cookTime;
    private int totalCookTime;
    private String furnaceCustomName;

    /**
     * Returns the number of slots in the inventory.
     */
    public int getSizeInventory()
    {
        return this.furnaceItemStacks.length;
    }

    /**
     * Returns the stack in the given slot.
     *  
     * @param index The slot to retrieve from.
     */
    public ItemStack getStackInSlot(int index)
    {
        return this.furnaceItemStacks[index];
    }

    /**
     * Removes up to a specified number of items from an inventory slot and returns them in a new stack.
     *  
     * @param index The slot to remove from.
     * @param count The maximum amount of items to remove.
     */
    public ItemStack decrStackSize(int index, int count)
    {
        if (this.furnaceItemStacks[index] != null)
        {
            ItemStack var3;

            if (this.furnaceItemStacks[index].stackSize <= count)
            {
                var3 = this.furnaceItemStacks[index];
                this.furnaceItemStacks[index] = null;
                return var3;
            }
            else
            {
                var3 = this.furnaceItemStacks[index].splitStack(count);

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

                return var3;
            }
        }
        else
        {
            return null;
        }
    }

    /**
     * Removes a stack from the given slot and returns it.
     *  
     * @param index The slot to remove a stack from.
     */
    public ItemStack getStackInSlotOnClosing(int index)
    {
        if (this.furnaceItemStacks[index] != null)
        {
            ItemStack var2 = this.furnaceItemStacks[index];
            this.furnaceItemStacks[index] = null;
            return var2;
        }
        else
        {
            return null;
        }
    }

    /**
     * Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections).
     */
    public void setInventorySlotContents(int index, ItemStack stack)
    {
        boolean var3 = 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 && !var3)
        {
            this.totalCookTime = this.getCookTime(stack);
            this.cookTime = 0;
            this.markDirty();
        }
    }

    /**
     * Gets the name of this command sender (usually username, but possibly "Rcon")
     */
    public String getCommandSenderName()
    {
        return this.hasCustomName() ? this.furnaceCustomName : "container.furnace";
    }

    /**
     * Returns true if this thing is named
     */
    public boolean hasCustomName()
    {
        return this.furnaceCustomName != null && this.furnaceCustomName.length() > 0;
    }

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

    public void readFromNBT(NBTTagCompound compound)
    {
        super.readFromNBT(compound);
        NBTTagList var2 = compound.getTagList("Items", 10);
        this.furnaceItemStacks = new ItemStack[this.getSizeInventory()];

        for (int var3 = 0; var3 < var2.tagCount(); ++var3)
        {
            NBTTagCompound var4 = var2.getCompoundTagAt(var3);
            byte var5 = var4.getByte("Slot");

            if (var5 >= 0 && var5 < this.furnaceItemStacks.length)
            {
                this.furnaceItemStacks[var5] = ItemStack.loadItemStackFromNBT(var4);
            }
        }

        this.furnaceBurnTime = compound.getShort("BurnTime");
        this.cookTime = compound.getShort("CookTime");
        this.totalCookTime = compound.getShort("CookTimeTotal");
        this.currentItemBurnTime = getItemBurnTime(this.furnaceItemStacks[1]);

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

    public void writeToNBT(NBTTagCompound compound)
    {
        super.writeToNBT(compound);
        compound.setShort("BurnTime", (short)this.furnaceBurnTime);
        compound.setShort("CookTime", (short)this.cookTime);
        compound.setShort("CookTimeTotal", (short)this.totalCookTime);
        NBTTagList var2 = new NBTTagList();

        for (int var3 = 0; var3 < this.furnaceItemStacks.length; ++var3)
        {
            if (this.furnaceItemStacks[var3] != null)
            {
                NBTTagCompound var4 = new NBTTagCompound();
                var4.setByte("Slot", (byte)var3);
                this.furnaceItemStacks[var3].writeToNBT(var4);
                var2.appendTag(var4);
            }
        }

        compound.setTag("Items", var2);

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

    /**
     * Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended.
     */
    public int getInventoryStackLimit()
    {
        return 64;
    }

    /**
     * Furnace isBurning
     */
    public boolean isBurning()
    {
        return this.furnaceBurnTime > 0;
    }

    public static boolean isBurning(IInventory p_174903_0_)
    {
        return p_174903_0_.getField(0) > 0;
    }

    /**
     * Like the old updateEntity(), except more generic.
     */
    public void update()
    {
        boolean var1 = this.isBurning();
        boolean var2 = false;

        if (this.isBurning())
        {
            --this.furnaceBurnTime;
        }

        if (!this.worldObj.isRemote)
        {
            if (!this.isBurning() && (this.furnaceItemStacks[1] == null || this.furnaceItemStacks[0] == null))
            {
                if (!this.isBurning() && this.cookTime > 0)
                {
                    this.cookTime = MathHelper.clamp_int(this.cookTime - 2, 0, this.totalCookTime);
                }
            }
            else
            {
                if (!this.isBurning() && this.canSmelt())
                {
                    this.currentItemBurnTime = this.furnaceBurnTime = getItemBurnTime(this.furnaceItemStacks[1]);

                    if (this.isBurning())
                    {
                        var2 = true;

                        if (this.furnaceItemStacks[1] != null)
                        {
                            --this.furnaceItemStacks[1].stackSize;

                            if (this.furnaceItemStacks[1].stackSize == 0)
                            {
                                Item var3 = this.furnaceItemStacks[1].getItem().getContainerItem();
                                this.furnaceItemStacks[1] = var3 != null ? new ItemStack(var3) : null;
                            }
                        }
                    }
                }

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

                    if (this.cookTime == this.totalCookTime)
                    {
                        this.cookTime = 0;
                        this.totalCookTime = this.getCookTime(this.furnaceItemStacks[0]);
                        this.smeltItem();
                        var2 = true;
                    }
                }
                else
                {
                    this.cookTime = 0;
                }
            }

            if (var1 != this.isBurning())
            {
                var2 = true;
                BlockFurnace.setState(this.isBurning(), this.worldObj, this.pos);
            }
        }

        if (var2)
        {
            this.markDirty();
        }
    }

    public int getCookTime(ItemStack stack)
    {
        return 200;
    }

    /**
     * Returns true if the furnace can smelt an item, i.e. has a source item, destination stack isn't full, etc.
     */
    private boolean canSmelt()
    {
        if (this.furnaceItemStacks[0] == null)
        {
            return false;
        }
        else
        {
            ItemStack var1 = FurnaceRecipes.instance().getSmeltingResult(this.furnaceItemStacks[0]);
            return var1 == null ? false : (this.furnaceItemStacks[2] == null ? true : (!this.furnaceItemStacks[2].isItemEqual(var1) ? false : (this.furnaceItemStacks[2].stackSize < this.getInventoryStackLimit() && this.furnaceItemStacks[2].stackSize < this.furnaceItemStacks[2].getMaxStackSize() ? true : this.furnaceItemStacks[2].stackSize < var1.getMaxStackSize())));
        }
    }

    /**
     * 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 var1 = FurnaceRecipes.instance().getSmeltingResult(this.furnaceItemStacks[0]);

            if (this.furnaceItemStacks[2] == null)
            {
                this.furnaceItemStacks[2] = var1.copy();
            }
            else if (this.furnaceItemStacks[2].getItem() == var1.getItem())
            {
                ++this.furnaceItemStacks[2].stackSize;
            }

            if (this.furnaceItemStacks[0].getItem() == Item.getItemFromBlock(Blocks.sponge) && this.furnaceItemStacks[0].getMetadata() == 1 && this.furnaceItemStacks[1] != null && this.furnaceItemStacks[1].getItem() == Items.bucket)
            {
                this.furnaceItemStacks[1] = new ItemStack(Items.water_bucket);
            }

            --this.furnaceItemStacks[0].stackSize;

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

    /**
     * Returns the number of ticks that the supplied fuel item will keep the furnace burning, or 0 if the item isn't
     * fuel
     */
    public static int getItemBurnTime(ItemStack p_145952_0_)
    {
        if (p_145952_0_ == null)
        {
            return 0;
        }
        else
        {
            Item var1 = p_145952_0_.getItem();

            if (var1 instanceof ItemBlock && Block.getBlockFromItem(var1) != Blocks.air)
            {
                Block var2 = Block.getBlockFromItem(var1);

                if (var2 == Blocks.wooden_slab)
                {
                    return 150;
                }

                if (var2.getMaterial() == Material.wood)
                {
                    return 300;
                }

                if (var2 == Blocks.coal_block)
                {
                    return 16000;
                }
            }

            return var1 instanceof ItemTool && ((ItemTool)var1).getToolMaterialName().equals("WOOD") ? 200 : (var1 instanceof ItemSword && ((ItemSword)var1).getToolMaterialName().equals("WOOD") ? 200 : (var1 instanceof ItemHoe && ((ItemHoe)var1).getMaterialName().equals("WOOD") ? 200 : (var1 == Items.stick ? 100 : (var1 == Items.coal ? 1600 : (var1 == Items.lava_bucket ? 20000 : (var1 == Item.getItemFromBlock(Blocks.sapling) ? 100 : (var1 == Items.blaze_rod ? 2400 : 0)))))));
        }
    }

    public static boolean isItemFuel(ItemStack p_145954_0_)
    {
        return getItemBurnTime(p_145954_0_) > 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)
    {
        return index == 2 ? false : (index != 1 ? true : isItemFuel(stack) || SlotFurnaceFuel.isBucket(stack));
    }

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

    /**
     * Returns true if automation can insert the given item in the given slot from the given side. Args: slot, item,
     * side
     */
    public boolean canInsertItem(int index, ItemStack itemStackIn, EnumFacing direction)
    {
        return this.isItemValidForSlot(index, itemStackIn);
    }

    /**
     * Returns true if automation can extract the given item in the given slot from the given side. Args: slot, item,
     * side
     */
    public boolean canExtractItem(int index, ItemStack stack, EnumFacing direction)
    {
        if (direction == EnumFacing.DOWN && index == 1)
        {
            Item var4 = stack.getItem();

            if (var4 != Items.water_bucket && var4 != Items.bucket)
            {
                return false;
            }
        }

        return true;
    }

    public String getGuiID()
    {
        return "minecraft:furnace";
    }

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

    public int getField(int id)
    {
        switch (id)
        {
            case 0:
                return this.furnaceBurnTime;

            case 1:
                return this.currentItemBurnTime;

            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:
                this.currentItemBurnTime = value;
                break;

            case 2:
                this.cookTime = value;
                break;

            case 3:
                this.totalCookTime = value;
        }
    }

    public int getFieldCount()
    {
        return 4;
    }

    public void clear()
    {
        for (int var1 = 0; var1 < this.furnaceItemStacks.length; ++var1)
        {
            this.furnaceItemStacks[var1] = null;
        }
    }
}
