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.ISidedInventory;
import net.minecraft.inventory.ItemStackHelper;
import net.minecraft.inventory.SlotFurnaceFuel;
import net.minecraft.item.Item;
import net.minecraft.item.ItemBoat;
import net.minecraft.item.ItemDoor;
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.util.EnumFacing;
import net.minecraft.util.ITickable;
import net.minecraft.util.NonNullList;
import net.minecraft.util.datafix.DataFixer;
import net.minecraft.util.datafix.FixTypes;
import net.minecraft.util.datafix.walkers.ItemStackDataLists;
import net.minecraft.util.math.MathHelper;

public class TileEntityFurnace extends TileEntityLockable implements ITickable, ISidedInventory
{
    private static final int[] SLOTS_TOP = new int[] {0};
    private static final int[] SLOTS_BOTTOM = new int[] {2, 1};
    private static final int[] SLOTS_SIDES = new int[] {1};
    private NonNullList<ItemStack> furnaceItemStacks = NonNullList.<ItemStack>withSize(3, ItemStack.EMPTY);

    /** 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.size();
    }

    public boolean isEmpty()
    {
        for (ItemStack itemstack : this.furnaceItemStacks)
        {
            if (!itemstack.isEmpty())
            {
                return false;
            }
        }

        return true;
    }

    /**
     * Returns the stack in the given slot.
     */
    public ItemStack getStackInSlot(int index)
    {
        return this.furnaceItemStacks.get(index);
    }

    /**
     * Removes up to a specified number of items from an inventory slot and returns them in a new stack.
     */
    public ItemStack decrStackSize(int index, int count)
    {
        return ItemStackHelper.getAndSplit(this.furnaceItemStacks, index, count);
    }

    /**
     * Removes a stack from the given slot and returns it.
     */
    public ItemStack removeStackFromSlot(int index)
    {
        return ItemStackHelper.getAndRemove(this.furnaceItemStacks, index);
    }

    /**
     * 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)
    {
        ItemStack itemstack = this.furnaceItemStacks.get(index);
        boolean flag = !stack.isEmpty() && stack.isItemEqual(itemstack) && ItemStack.areItemStackTagsEqual(stack, itemstack);
        this.furnaceItemStacks.set(index, stack);

        if (stack.getCount() > this.getInventoryStackLimit())
        {
            stack.setCount(this.getInventoryStackLimit());
        }

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

    /**
     * Get the name of this object. For players this returns their username
     */
    public String getName()
    {
        return this.hasCustomName() ? this.furnaceCustomName : "container.furnace";
    }

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

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

    public static void registerFixesFurnace(DataFixer fixer)
    {
        fixer.registerWalker(FixTypes.BLOCK_ENTITY, new ItemStackDataLists(TileEntityFurnace.class, new String[] {"Items"}));
    }

    public void readFromNBT(NBTTagCompound compound)
    {
        super.readFromNBT(compound);
        this.furnaceItemStacks = NonNullList.<ItemStack>withSize(this.getSizeInventory(), ItemStack.EMPTY);
        ItemStackHelper.loadAllItems(compound, this.furnaceItemStacks);
        this.furnaceBurnTime = compound.getShort("BurnTime");
        this.cookTime = compound.getShort("CookTime");
        this.totalCookTime = compound.getShort("CookTimeTotal");
        this.currentItemBurnTime = getItemBurnTime(this.furnaceItemStacks.get(1));

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

    public NBTTagCompound writeToNBT(NBTTagCompound compound)
    {
        super.writeToNBT(compound);
        compound.setShort("BurnTime", (short)this.furnaceBurnTime);
        compound.setShort("CookTime", (short)this.cookTime);
        compound.setShort("CookTimeTotal", (short)this.totalCookTime);
        ItemStackHelper.saveAllItems(compound, this.furnaceItemStacks);

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

        return compound;
    }

    /**
     * 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;
    }

    /**
     * Like the old updateEntity(), except more generic.
     */
    public void update()
    {
        boolean flag = this.isBurning();
        boolean flag1 = false;

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

        if (!this.world.isRemote)
        {
            ItemStack itemstack = this.furnaceItemStacks.get(1);

            if (this.isBurning() || !itemstack.isEmpty() && !((ItemStack)this.furnaceItemStacks.get(0)).isEmpty())
            {
                if (!this.isBurning() && this.canSmelt())
                {
                    this.furnaceBurnTime = getItemBurnTime(itemstack);
                    this.currentItemBurnTime = this.furnaceBurnTime;

                    if (this.isBurning())
                    {
                        flag1 = true;

                        if (!itemstack.isEmpty())
                        {
                            Item item = itemstack.getItem();
                            itemstack.shrink(1);

                            if (itemstack.isEmpty())
                            {
                                Item item1 = item.getContainerItem();
                                this.furnaceItemStacks.set(1, item1 == null ? ItemStack.EMPTY : new ItemStack(item1));
                            }
                        }
                    }
                }

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

                    if (this.cookTime == this.totalCookTime)
                    {
                        this.cookTime = 0;
                        this.totalCookTime = this.getCookTime(this.furnaceItemStacks.get(0));
                        this.smeltItem();
                        flag1 = true;
                    }
                }
                else
                {
                    this.cookTime = 0;
                }
            }
            else if (!this.isBurning() && this.cookTime > 0)
            {
                this.cookTime = MathHelper.clamp(this.cookTime - 2, 0, this.totalCookTime);
            }

            if (flag != this.isBurning())
            {
                flag1 = true;
                BlockFurnace.setState(this.isBurning(), this.world, this.pos);
            }
        }

        if (flag1)
        {
            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 (((ItemStack)this.furnaceItemStacks.get(0)).isEmpty())
        {
            return false;
        }
        else
        {
            ItemStack itemstack = FurnaceRecipes.instance().getSmeltingResult(this.furnaceItemStacks.get(0));

            if (itemstack.isEmpty())
            {
                return false;
            }
            else
            {
                ItemStack itemstack1 = this.furnaceItemStacks.get(2);

                if (itemstack1.isEmpty())
                {
                    return true;
                }
                else if (!itemstack1.isItemEqual(itemstack))
                {
                    return false;
                }
                else if (itemstack1.getCount() < this.getInventoryStackLimit() && itemstack1.getCount() < itemstack1.getMaxStackSize())
                {
                    return true;
                }
                else
                {
                    return itemstack1.getCount() < itemstack.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 itemstack = this.furnaceItemStacks.get(0);
            ItemStack itemstack1 = FurnaceRecipes.instance().getSmeltingResult(itemstack);
            ItemStack itemstack2 = this.furnaceItemStacks.get(2);

            if (itemstack2.isEmpty())
            {
                this.furnaceItemStacks.set(2, itemstack1.copy());
            }
            else if (itemstack2.getItem() == itemstack1.getItem())
            {
                itemstack2.grow(1);
            }

            if (itemstack.getItem() == Item.getItemFromBlock(Blocks.SPONGE) && itemstack.getMetadata() == 1 && !((ItemStack)this.furnaceItemStacks.get(1)).isEmpty() && ((ItemStack)this.furnaceItemStacks.get(1)).getItem() == Items.BUCKET)
            {
                this.furnaceItemStacks.set(1, new ItemStack(Items.WATER_BUCKET));
            }

            itemstack.shrink(1);
        }
    }

    /**
     * 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 stack)
    {
        if (stack.isEmpty())
        {
            return 0;
        }
        else
        {
            Item item = stack.getItem();

            if (item == Item.getItemFromBlock(Blocks.WOODEN_SLAB))
            {
                return 150;
            }
            else if (item == Item.getItemFromBlock(Blocks.WOOL))
            {
                return 100;
            }
            else if (item == Item.getItemFromBlock(Blocks.CARPET))
            {
                return 67;
            }
            else if (item == Item.getItemFromBlock(Blocks.LADDER))
            {
                return 300;
            }
            else if (item == Item.getItemFromBlock(Blocks.WOODEN_BUTTON))
            {
                return 100;
            }
            else if (Block.getBlockFromItem(item).getDefaultState().getMaterial() == Material.WOOD)
            {
                return 300;
            }
            else if (item == Item.getItemFromBlock(Blocks.COAL_BLOCK))
            {
                return 16000;
            }
            else if (item instanceof ItemTool && "WOOD".equals(((ItemTool)item).getToolMaterialName()))
            {
                return 200;
            }
            else if (item instanceof ItemSword && "WOOD".equals(((ItemSword)item).getToolMaterialName()))
            {
                return 200;
            }
            else if (item instanceof ItemHoe && "WOOD".equals(((ItemHoe)item).getMaterialName()))
            {
                return 200;
            }
            else if (item == Items.STICK)
            {
                return 100;
            }
            else if (item != Items.BOW && item != Items.FISHING_ROD)
            {
                if (item == Items.SIGN)
                {
                    return 200;
                }
                else if (item == Items.COAL)
                {
                    return 1600;
                }
                else if (item == Items.LAVA_BUCKET)
                {
                    return 20000;
                }
                else if (item != Item.getItemFromBlock(Blocks.SAPLING) && item != Items.BOWL)
                {
                    if (item == Items.BLAZE_ROD)
                    {
                        return 2400;
                    }
                    else if (item instanceof ItemDoor && item != Items.IRON_DOOR)
                    {
                        return 200;
                    }
                    else
                    {
                        return item instanceof ItemBoat ? 400 : 0;
                    }
                }
                else
                {
                    return 100;
                }
            }
            else
            {
                return 300;
            }
        }
    }

    public static boolean isItemFuel(ItemStack stack)
    {
        return getItemBurnTime(stack) > 0;
    }

    /**
     * Don't rename this method to canInteractWith due to conflicts with Container
     */
    public boolean isUsableByPlayer(EntityPlayer player)
    {
        if (this.world.getTileEntity(this.pos) != this)
        {
            return false;
        }
        else
        {
            return 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. For
     * guis use Slot.isItemValid
     */
    public boolean isItemValidForSlot(int index, ItemStack stack)
    {
        if (index == 2)
        {
            return false;
        }
        else if (index != 1)
        {
            return true;
        }
        else
        {
            ItemStack itemstack = this.furnaceItemStacks.get(1);
            return isItemFuel(stack) || SlotFurnaceFuel.isBucket(stack) && itemstack.getItem() != Items.BUCKET;
        }
    }

    public int[] getSlotsForFace(EnumFacing side)
    {
        if (side == EnumFacing.DOWN)
        {
            return SLOTS_BOTTOM;
        }
        else
        {
            return side == EnumFacing.UP ? SLOTS_TOP : SLOTS_SIDES;
        }
    }

    /**
     * Returns true if automation can insert the given item in the given slot from the given 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.
     */
    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 "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()
    {
        this.furnaceItemStacks.clear();
    }
}
