package rox.whistle;

import java.util.List;

import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.passive.EntityWolf;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.ChatComponentText;
import net.minecraft.world.World;
import net.minecraftforge.fml.common.registry.GameRegistry;

public class SitWhistle extends Item {
    //Item object reference.
    public static Item sit_whistle;

    //Initialization method.
    public static void init(){
        //Assigning object to the object reference.
        sit_whistle = new SitWhistle()
            .setUnlocalizedName("sit_whistle")
            .setMaxStackSize(1)
            .setCreativeTab(CreativeTabs.tabTools);

        //Registering the item as this is called in Forge's preInit.
        GameRegistry.registerItem(sit_whistle, sit_whistle.getUnlocalizedName().substring(5));
    }

    //Overriding super's right click.
    public ItemStack onItemRightClick(ItemStack stack, World world, EntityPlayer player){
        //Getting a list of wolves within six blocks of the player.
        List<?> e = player.worldObj.getEntitiesWithinAABB(EntityWolf.class, AxisAlignedBB.fromBounds(player.posX - 6, player.posY - 3, player.posZ - 6, player.posX + 6, player.posY + 3, player.posZ + 6));

        //If the list is empty, I want to catch it and tell the player that no wolves are in range.
        if(e.isEmpty()){
            if(!player.worldObj.isRemote){
                player.addChatMessage(new ChatComponentText("No wolves within range."));
            }
        }
        //If the list is not empty, I want to check if the player is not sneaking.
        else if(!player.isSneaking()){
            for(int i = 0; i <= e.size(); i++){
                //If they aren't sneaking, I want to tell all wolves around him/her to stand up.
                EntityWolf wolf = (EntityWolf) e.get(i); //This is the problem line of code that the crash gives me.
                if(wolf.isTamed() && wolf.isOwner(player) && wolf.isSitting()){
                    wolf.setSitting(false);
                }
            }
        }
        //If they're not standing, then check if they're sneaking.
        else if(player.isSneaking()){
            for(int i = 0; i <= e.size(); i++){
                //If they're sneaking, I want to tell all wolves to sit.
                EntityWolf wolf = (EntityWolf)e.get(i);
                if(wolf.isOwner(player) && !wolf.isSitting()){
                    wolf.setSitting(true);
                }
            }
        }

        //Return the item in it's original state since onItemRightClick needs a return statement.
        return stack;
    }
}