package WayofTime.bloodmagic.tile;

import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.ChatComponentTranslation;
import net.minecraft.util.IChatComponent;
import net.minecraft.util.StatCollector;

public class TileInventory extends TileEntity implements IInventory {

    private ItemStack[] inventory;
    private int size;
    private String name;

    public TileInventory(int size, String name) {
        this.inventory = new ItemStack[size];
        this.size = size;
        this.name = name;
    }

    @Override
    public void readFromNBT(NBTTagCompound tagCompound) {
        super.readFromNBT(tagCompound);
        NBTTagList tags = tagCompound.getTagList("Items", 10);
        inventory = new ItemStack[getSizeInventory()];

        for (int i = 0; i < tags.tagCount(); i++) {
            NBTTagCompound data = tags.getCompoundTagAt(i);
            int j = data.getByte("Slot") & 255;

            if (j >= 0 && j < inventory.length) {
                inventory[j] = ItemStack.loadItemStackFromNBT(data);
            }
        }
    }

    @Override
    public void writeToNBT(NBTTagCompound tagCompound) {
        super.writeToNBT(tagCompound);
        NBTTagList tags = new NBTTagList();

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

        tagCompound.setTag("Items", tags);
    }

    public void dropItems() {
        if (inventory != null) {
            for (ItemStack stack : inventory)
                getWorld().spawnEntityInWorld(new EntityItem(getWorld(), getPos().getX(), pos.getY(), pos.getZ(), stack));
        }
    }

    // IInventory

    @Override
    public int getSizeInventory() {
        return size;
    }

    @Override
    public ItemStack getStackInSlot(int index) {
        return inventory[index];
    }

    @Override
    public ItemStack decrStackSize(int index, int count) {
        ItemStack slotStack = getStackInSlot(index);

        if (slotStack.stackSize > count)
            slotStack.stackSize -= count;
        else if (slotStack.stackSize <= count)
            return null;

        return slotStack;
    }

    @Override
    public ItemStack getStackInSlotOnClosing(int slot) {
        ItemStack stack = getStackInSlot(slot);
        if (stack != null)
            setInventorySlotContents(slot, null);
        return stack;
    }

    @Override
    public void setInventorySlotContents(int slot, ItemStack stack) {
        inventory[slot] = stack;
        worldObj.markBlockForUpdate(pos);
        if (stack != null && stack.stackSize > getInventoryStackLimit())
            stack.stackSize = getInventoryStackLimit();
    }

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

    @Override
    public boolean isUseableByPlayer(EntityPlayer player) {
        return true;
    }

    @Override
    public void openInventory(EntityPlayer player) {

    }

    @Override
    public void closeInventory(EntityPlayer player) {

    }

    @Override
    public boolean isItemValidForSlot(int index, ItemStack stack) {
        return true;
    }

    @Override
    public int getField(int id) {
        return 0;
    }

    @Override
    public void setField(int id, int value) {

    }

    @Override
    public int getFieldCount() {
        return 0;
    }

    @Override
    public void clear() {
        this.inventory = new ItemStack[size];
    }

    // IWorldNameable

    @Override
    public String getName() {
        return StatCollector.translateToLocal("tile.BloodMagic." + name + ".name");
    }

    @Override
    public boolean hasCustomName() {
        return true;
    }

    @Override
    public IChatComponent getDisplayName() {
        return new ChatComponentTranslation("tile.BloodMagic." + name + ".name");
    }
}