package gtPlusPlus.xmod.gregtech.api.items;

import static gregtech.api.enums.GTValues.D1;
import static gregtech.api.enums.Mods.GTPlusPlus;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.BitSet;
import java.util.HashMap;
import java.util.List;

import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.EnumAction;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;
import net.minecraft.world.World;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import gregtech.api.GregTechAPI;
import gregtech.api.enums.Materials;
import gregtech.api.enums.SubTag;
import gregtech.api.enums.TCAspects.TC_AspectStack;
import gregtech.api.interfaces.IFoodStat;
import gregtech.api.interfaces.IIconContainer;
import gregtech.api.interfaces.IItemContainer;
import gregtech.api.objects.ItemData;
import gregtech.api.util.GTLanguageManager;
import gregtech.api.util.GTOreDictUnificator;
import gregtech.api.util.GTUtility;
import gtPlusPlus.core.creative.AddToCreativeTab;
import gtPlusPlus.xmod.gregtech.api.interfaces.internal.IItemBehaviour;

public abstract class GTMetaItem extends GTMetaItemBase {

    /**
     * All instances of this Item Class are listed here. This gets used to register the Renderer to all Items of this
     * Type, if useStandardMetaItemRenderer() returns true.
     * <p/>
     * You can also use the unlocalized Name gotten from getUnlocalizedName() as Key if you want to get a specific Item.
     */
    public static final HashMap<String, GTMetaItem> sInstances = new HashMap<>();

    /* ---------- CONSTRUCTOR AND MEMBER VARIABLES ---------- */

    public final short mOffset, mItemAmount;
    public final BitSet mEnabledItems;
    public final BitSet mVisibleItems;
    public final IIcon[][] mIconList;

    public final HashMap<Short, IFoodStat> mFoodStats = new HashMap<>();
    public final HashMap<Short, Long[]> mElectricStats = new HashMap<>();
    public final HashMap<Short, Long[]> mFluidContainerStats = new HashMap<>();
    public final HashMap<Short, Short> mBurnValues = new HashMap<>();

    /**
     * Creates the Item using these Parameters.
     *
     * @param aUnlocalized The Unlocalized Name of this Item.
     */
    public GTMetaItem(final String aUnlocalized, final short aOffset, final short aItemAmount) {
        super(aUnlocalized);
        this.setCreativeTab(AddToCreativeTab.tabMachines);
        this.setHasSubtypes(true);
        this.setMaxDamage(0);
        this.mEnabledItems = new BitSet(aItemAmount);
        this.mVisibleItems = new BitSet(aItemAmount);

        this.mOffset = (short) Math.min(32766, aOffset);
        this.mItemAmount = (short) Math.min(aItemAmount, 32766 - this.mOffset);
        this.mIconList = new IIcon[aItemAmount][1];

        sInstances.put(this.getUnlocalizedName(), this);
    }

    /**
     * This adds a Custom Item to the ending Range.
     *
     * @param aID           The Id of the assigned Item [0 - mItemAmount] (The MetaData gets auto-shifted by +mOffset)
     * @param aEnglish      The Default Localized Name of the created Item
     * @param aToolTip      The Default ToolTip of the created Item, you can also insert null for having no ToolTip
     * @param aFoodBehavior The Food Value of this Item. Can be null aswell. Just a convenience thing.
     * @param aRandomData   The OreDict Names you want to give the Item. Also used for TC Aspects and some other things.
     * @return An ItemStack containing the newly created Item.
     */
    public final ItemStack addItem(final int aID, final String aEnglish, String aToolTip, final Object... aRandomData) {
        if (aToolTip == null) {
            aToolTip = "";
        }
        if ((aID >= 0) && (aID < this.mItemAmount)) {
            final ItemStack rStack = new ItemStack(this, 1, this.mOffset + aID);
            this.mEnabledItems.set(aID);
            this.mVisibleItems.set(aID);
            GTLanguageManager.addStringLocalization(this.getUnlocalizedName(rStack) + ".name", aEnglish);
            GTLanguageManager.addStringLocalization(this.getUnlocalizedName(rStack) + ".tooltip", aToolTip);
            final List<TC_AspectStack> tAspects = new ArrayList<>();
            // Important Stuff to do first
            for (final Object tRandomData : aRandomData) {
                if (tRandomData instanceof SubTag) {
                    if (tRandomData == SubTag.INVISIBLE) {
                        this.mVisibleItems.set(aID, false);
                        continue;
                    }
                    if (tRandomData == SubTag.NO_UNIFICATION) {
                        GTOreDictUnificator.addToBlacklist(rStack);
                        continue;
                    }
                }
            }
            // now check for the rest
            for (final Object tRandomData : aRandomData) {
                if (tRandomData != null) {
                    boolean tUseOreDict = true;

                    if (tRandomData instanceof IItemBehaviour) {
                        this.addItemBehavior(this.mOffset + aID, (IItemBehaviour<GTMetaItemBase>) tRandomData);
                        tUseOreDict = false;
                    }
                    if (tRandomData instanceof IItemContainer) {
                        ((IItemContainer) tRandomData).set(rStack);
                        tUseOreDict = false;
                    }
                    if (tRandomData instanceof SubTag) {
                        continue;
                    }
                    if (tRandomData instanceof TC_AspectStack) {
                        ((TC_AspectStack) tRandomData).addToAspectList(tAspects);
                        continue;
                    }
                    if (tRandomData instanceof ItemData) {
                        if (GTUtility.isStringValid(tRandomData)) {
                            GTOreDictUnificator.registerOre(tRandomData, rStack);
                        } else {
                            GTOreDictUnificator.addItemData(rStack, (ItemData) tRandomData);
                        }
                        continue;
                    }
                    if (tUseOreDict) {
                        GTOreDictUnificator.registerOre(tRandomData, rStack);
                        continue;
                    }
                }
            }
            if (GregTechAPI.sThaumcraftCompat != null) {
                GregTechAPI.sThaumcraftCompat.registerThaumcraftAspectsToItem(rStack, tAspects, false);
            }
            return rStack;
        }
        return null;
    }

    /**
     * Sets the Furnace Burn Value for the Item.
     *
     * @param aMetaValue the Meta Value of the Item you want to set it to. [0 - 32765]
     * @param aValue     200 = 1 Burn Process = 500 EU, max = 32767 (that is 81917.5 EU)
     * @return the Item itself for convenience in constructing.
     */
    public final GTMetaItem setBurnValue(final int aMetaValue, final int aValue) {
        if ((aMetaValue < 0) || (aMetaValue >= (this.mOffset + this.mEnabledItems.length())) || (aValue < 0)) {
            return this;
        }
        if (aValue == 0) {
            this.mBurnValues.remove((short) aMetaValue);
        } else {
            this.mBurnValues.put((short) aMetaValue, aValue > Short.MAX_VALUE ? Short.MAX_VALUE : (short) aValue);
        }
        return this;
    }

    /**
     * @param aMetaValue     the Meta Value of the Item you want to set it to. [0 - 32765]
     * @param aMaxCharge     Maximum Charge. (if this is == 0 it will remove the Electric Behavior)
     * @param aTransferLimit Transfer Limit.
     * @param aTier          The electric Tier.
     * @param aSpecialData   If this Item has a Fixed Charge, like a SingleUse Battery (if > 0). Use -1 if you want to
     *                       make this Battery chargeable (the use and canUse Functions will still discharge if you just
     *                       use this) Use -2 if you want to make this Battery dischargeable. Use -3 if you want to make
     *                       this Battery charge/discharge-able.
     * @return the Item itself for convenience in constructing.
     */
    public final GTMetaItem setElectricStats(final int aMetaValue, final long aMaxCharge, final long aTransferLimit,
        final long aTier, final long aSpecialData, final boolean aUseAnimations) {
        if ((aMetaValue < 0) || (aMetaValue >= (this.mOffset + this.mEnabledItems.length()))) {
            return this;
        }
        if (aMaxCharge == 0) {
            this.mElectricStats.remove((short) aMetaValue);
        } else {
            this.mElectricStats.put(
                (short) aMetaValue,
                new Long[] { aMaxCharge, Math.max(0, aTransferLimit), Math.max(-1, aTier), aSpecialData });
            if ((aMetaValue >= this.mOffset) && aUseAnimations) {
                this.mIconList[aMetaValue - this.mOffset] = Arrays.copyOf(
                    this.mIconList[aMetaValue - this.mOffset],
                    Math.max(9, this.mIconList[aMetaValue - this.mOffset].length));
            }
        }
        return this;
    }

    /**
     * @param aMetaValue     the Meta Value of the Item you want to set it to. [0 - 32765]
     * @param aMaxCharge     Maximum Charge. (if this is == 0 it will remove the Electric Behavior)
     * @param aTransferLimit Transfer Limit.
     * @param aTier          The electric Tier.
     * @param aSpecialData   If this Item has a Fixed Charge, like a SingleUse Battery (if > 0). Use -1 if you want to
     *                       make this Battery chargeable (the use and canUse Functions will still discharge if you just
     *                       use this) Use -2 if you want to make this Battery dischargeable. Use -3 if you want to make
     *                       this Battery charge/discharge-able.
     * @return the Item itself for convenience in constructing.
     */
    public final GTMetaItem setFluidContainerStats(final int aMetaValue, final long aCapacity, final long aStacksize) {
        if ((aMetaValue < 0) || (aMetaValue >= (this.mOffset + this.mEnabledItems.length()))) {
            return this;
        }
        if (aCapacity < 0) {
            this.mElectricStats.remove((short) aMetaValue);
        } else {
            this.mFluidContainerStats.put((short) aMetaValue, new Long[] { aCapacity, Math.max(1, aStacksize) });
        }
        return this;
    }

    /**
     * @return if this MetaGenerated Item should use my Default Renderer System.
     */
    public boolean useStandardMetaItemRenderer() {
        return true;
    }

    /**
     * @return the Color Modulation the Material is going to be rendered with.
     */
    public short[] getRGBa(final ItemStack aStack) {
        return Materials._NULL.getRGBA();
    }

    /**
     * @return the Icon the Material is going to be rendered with.
     */
    public IIconContainer getIconContainer(final int aMetaData) {
        return null;
    }

    /* ---------- INTERNAL OVERRIDES ---------- */

    @Override
    public ItemStack onItemRightClick(final ItemStack aStack, final World aWorld, final EntityPlayer aPlayer) {
        return super.onItemRightClick(aStack, aWorld, aPlayer);
    }

    @Override
    public int getMaxItemUseDuration(final ItemStack aStack) {
        return this.mFoodStats.get((short) this.getDamage(aStack)) == null ? 0 : 32;
    }

    @Override
    public EnumAction getItemUseAction(final ItemStack aStack) {
        return EnumAction.none;
    }

    @Override
    public final ItemStack onEaten(final ItemStack aStack, final World aWorld, final EntityPlayer aPlayer) {
        final IFoodStat tStat = this.mFoodStats.get((short) this.getDamage(aStack));
        if (tStat != null) {}

        return aStack;
    }

    @Override
    @SideOnly(Side.CLIENT)
    public void getSubItems(final Item var1, final CreativeTabs aCreativeTab, final List aList) {
        for (int i = 0, j = this.mEnabledItems.length(); i < j; i++) {
            if (this.mVisibleItems.get(i) || (D1 && this.mEnabledItems.get(i))) {
                final Long[] tStats = this.mElectricStats.get((short) (this.mOffset + i));
                if ((tStats != null) && (tStats[3] < 0)) {
                    final ItemStack tStack = new ItemStack(this, 1, this.mOffset + i);
                    this.setCharge(tStack, Math.abs(tStats[0]));
                    this.isItemStackUsable(tStack);
                    aList.add(tStack);
                }
                if ((tStats == null) || (tStats[3] != -2)) {
                    final ItemStack tStack = new ItemStack(this, 1, this.mOffset + i);
                    this.isItemStackUsable(tStack);
                    aList.add(tStack);
                }
            }
        }
    }

    @Override
    @SideOnly(Side.CLIENT)
    public final void registerIcons(final IIconRegister aIconRegister) {
        for (short i = 0, j = (short) this.mEnabledItems.length(); i < j; i++) {
            if (this.mEnabledItems.get(i)) {
                for (byte k = 1; k < this.mIconList[i].length; k++) {
                    this.mIconList[i][k] = aIconRegister
                        .registerIcon(GTPlusPlus.ID + ":" + this.getUnlocalizedName() + "/" + i + "/" + k);
                }
                this.mIconList[i][0] = aIconRegister
                    .registerIcon(GTPlusPlus.ID + ":" + this.getUnlocalizedName() + "/" + i);
            }
        }
    }

    @Override
    public final Long[] getElectricStats(final ItemStack aStack) {
        return this.mElectricStats.get((short) aStack.getItemDamage());
    }

    @Override
    public final Long[] getFluidContainerStats(final ItemStack aStack) {
        return this.mFluidContainerStats.get((short) aStack.getItemDamage());
    }

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

    @Override
    public boolean isBookEnchantable(final ItemStack aStack, final ItemStack aBook) {
        return false;
    }

    @Override
    public boolean getIsRepairable(final ItemStack aStack, final ItemStack aMaterial) {
        return false;
    }

    @Override
    public int getColorFromItemStack(final ItemStack stack, int HEX_OxFFFFFF) {
        if (stack.getDisplayName()
            .contains("LuV")) {
            HEX_OxFFFFFF = 0xffffcc;
        } else if (stack.getDisplayName()
            .contains("ZPM")) {
                HEX_OxFFFFFF = 0xace600;
            } else if (stack.getDisplayName()
                .contains("UV")) {
                    HEX_OxFFFFFF = 0xffff00;
                } else if (stack.getDisplayName()
                    .contains("MAX")) {
                        HEX_OxFFFFFF = 0xff0000;
                    } else {
                        HEX_OxFFFFFF = 0xffffff;
                    }
        return HEX_OxFFFFFF;
    }
}