package gregtech.api.items;

import static gregtech.api.enums.Mods.GregTech;

import java.util.List;

import net.minecraft.block.BlockDispenser;
import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.dispenser.BehaviorDefaultDispenseItem;
import net.minecraft.dispenser.BehaviorProjectileDispense;
import net.minecraft.dispenser.IBlockSource;
import net.minecraft.dispenser.IPosition;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.IProjectile;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.projectile.EntityArrow;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.IIcon;
import net.minecraft.world.World;

import cpw.mods.fml.common.registry.GameRegistry;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import gregtech.api.GregTechAPI;
import gregtech.api.enums.SubTag;
import gregtech.api.interfaces.IProjectileItem;
import gregtech.api.util.GTConfig;
import gregtech.api.util.GTLanguageManager;
import gregtech.api.util.GTModHandler;
import gregtech.api.util.GTUtility;

/**
 * Extended by most Items, also used as a fallback Item, to prevent the accidental deletion when Errors occur.
 */
public class GTGenericItem extends Item implements IProjectileItem {

    private final String mName, mTooltip;
    protected IIcon mIcon;

    public GTGenericItem(String aUnlocalized, String aEnglish, String aEnglishTooltip) {
        super();
        mName = "gt." + aUnlocalized;
        GTLanguageManager.addStringLocalization(mName + ".name", aEnglish);
        if (GTUtility.isStringValid(aEnglishTooltip))
            GTLanguageManager.addStringLocalization(mTooltip = mName + ".tooltip_main", aEnglishTooltip);
        else mTooltip = null;
        setCreativeTab(GregTechAPI.TAB_GREGTECH);
        GameRegistry.registerItem(this, mName, GregTech.ID);
        BlockDispenser.dispenseBehaviorRegistry.putObject(this, new GT_Item_Dispense());
    }

    @Override
    public final Item setUnlocalizedName(String aName) {
        return this;
    }

    @Override
    public final String getUnlocalizedName() {
        return mName;
    }

    @Override
    public String getUnlocalizedName(ItemStack aStack) {
        return getHasSubtypes() ? mName + "." + getDamage(aStack) : mName;
    }

    @Override
    @SideOnly(Side.CLIENT)
    public void registerIcons(IIconRegister aIconRegister) {
        mIcon = aIconRegister.registerIcon(GregTech.getResourcePath(GTConfig.troll ? "troll" : mName));
    }

    @Override
    public boolean doesSneakBypassUse(World aWorld, int aX, int aY, int aZ, EntityPlayer aPlayer) {
        return true;
    }

    @Override
    public IIcon getIconFromDamage(int aMetaData) {
        return mIcon;
    }

    public int getTier(ItemStack aStack) {
        return 0;
    }

    @Override
    public void addInformation(ItemStack aStack, EntityPlayer aPlayer, List<String> aList, boolean aF3_H) {
        if (getMaxDamage() > 0 && !getHasSubtypes())
            aList.add((aStack.getMaxDamage() - getDamage(aStack)) + " / " + aStack.getMaxDamage());
        if (mTooltip != null) aList.add(GTLanguageManager.getTranslation(mTooltip));
        if (GTModHandler.isElectricItem(aStack)) aList.add("Tier: " + getTier(aStack));
        addAdditionalToolTips(aList, aStack, aPlayer);
    }

    protected void addAdditionalToolTips(List<String> aList, ItemStack aStack, EntityPlayer aPlayer) {
        //
    }

    @Override
    public void onCreated(ItemStack aStack, World aWorld, EntityPlayer aPlayer) {
        isItemStackUsable(aStack);
    }

    public boolean isItemStackUsable(ItemStack aStack) {
        return true;
    }

    public ItemStack onDispense(IBlockSource aSource, ItemStack aStack) {
        EnumFacing enumfacing = BlockDispenser.func_149937_b(aSource.getBlockMetadata());
        IPosition iposition = BlockDispenser.func_149939_a(aSource);
        ItemStack itemstack1 = aStack.splitStack(1);
        BehaviorDefaultDispenseItem.doDispense(aSource.getWorld(), itemstack1, 6, enumfacing, iposition);
        return aStack;
    }

    @Override
    public EntityArrow getProjectile(SubTag aProjectileType, ItemStack aStack, World aWorld, double aX, double aY,
        double aZ) {
        return null;
    }

    @Override
    public EntityArrow getProjectile(SubTag aProjectileType, ItemStack aStack, World aWorld, EntityLivingBase aEntity,
        float aSpeed) {
        return null;
    }

    @Override
    public boolean hasProjectile(SubTag aProjectileType, ItemStack aStack) {
        return false;
    }

    @Override
    public ItemStack getContainerItem(ItemStack aStack) {
        return null;
    }

    @Override
    public boolean hasContainerItem(ItemStack aStack) {
        return getContainerItem(aStack) != null;
    }

    public String transItem(String aKey, String aEnglish) {
        return GTLanguageManager.addStringLocalization("Item_DESCRIPTION_Index_" + aKey, aEnglish);
    }

    public static class GT_Item_Dispense extends BehaviorProjectileDispense {

        @Override
        public ItemStack dispenseStack(IBlockSource aSource, ItemStack aStack) {
            final GTGenericItem item = (GTGenericItem) aStack.getItem();
            if (item != null) {
                return item.onDispense(aSource, aStack);
            }
            return aStack;
        }

        @Override
        protected IProjectile getProjectileEntity(World aWorld, IPosition aPosition) {
            return null;
        }
    }
}