package gtPlusPlus.xmod.sc2.modules;

import static net.minecraft.init.Blocks.farmland;

import java.lang.reflect.Field;

import net.minecraft.block.Block;
import net.minecraft.block.BlockCrops;
import net.minecraft.item.Item;
import net.minecraft.item.ItemSeeds;
import net.minecraft.item.ItemStack;
import net.minecraft.world.World;

import vswe.stevescarts.Carts.MinecartModular;
import vswe.stevescarts.Modules.Addons.ModuleAddon;
import vswe.stevescarts.Modules.ICropModule;
import gtPlusPlus.core.lib.LoadedMods;
import gtPlusPlus.core.util.reflect.ReflectionUtils;

public class ModuleExoticSeeds extends ModuleAddon implements ICropModule {

    public ModuleExoticSeeds(MinecartModular cart) {
        super(cart);
    }

    private synchronized Block getBlockFromItemSeeds(ItemStack seed) {
        try {

            Item seedItem = seed.getItem();
            if (!(seedItem instanceof ItemSeeds)) return null;

            Block cropBlock = (Block) ReflectionUtils.getField(ItemSeeds.class, "field_150925_a").get(seedItem);

            return cropBlock;
        } catch (Throwable t) {

        }
        return null;
    }

    @Override
    public boolean isSeedValid(ItemStack seed) {
        return getBlockFromItemSeeds(seed) != null;
    }

    @Override
    public Block getCropFromSeed(ItemStack seed) {
        return getBlockFromItemSeeds(seed);
    }

    @Override
    public boolean isReadyToHarvest(int x, int y, int z) {
        World world = getCart().worldObj;
        Block b = world.getBlock(x, y, z);
        int m = world.getBlockMetadata(x, y, z);

        // If Forestry is loaded, let's make this upgrade convert farmland to Humus.
        /*
         * if (LoadedMods.Forestry) { Block mFarmLand = world.getBlock(x, y-1, z); if (mFarmLand == farmland) { Block h
         * = tryGetHumus(); if (h != farmland) { world.setBlock(x, y-1, z, h); } } }
         */

        return b instanceof BlockCrops && m == 7;
    }

    /**
     * Static Class & Block References for Forestry content. Stops Forestry being a hard requirement for this feature
     * without having to make @Optional annotations.
     */
    private static Class<?> mForestryHumusBlockClass;

    private static Class<?> mForestryBlockRegistryCoreClass;
    private static Block mForestryHumusBlock;

    private synchronized Block tryGetHumus() {
        if (!LoadedMods.Forestry) {
            return farmland;
        } else {
            if (mForestryHumusBlockClass == null || mForestryHumusBlock == null) {
                try {
                    mForestryHumusBlockClass = ReflectionUtils.getClass("forestry.plugins.PluginCore");
                    Field blocks = ReflectionUtils.getField(mForestryHumusBlockClass, "blocks");
                    if (blocks != null) {
                        Object blockRegistryCoreObject = blocks.get(null);
                        mForestryBlockRegistryCoreClass = ReflectionUtils
                                .getClass("forestry.core.blocks.BlockRegistryCore");
                        if (mForestryBlockRegistryCoreClass != null && blockRegistryCoreObject != null) {
                            Field soil = ReflectionUtils.getField(mForestryBlockRegistryCoreClass, "soil");
                            if (soil != null) {
                                Block testHumus = (Block) soil.get(blockRegistryCoreObject);
                                if (testHumus != null) {
                                    mForestryHumusBlock = testHumus;
                                }
                            }
                        }
                    }
                } catch (Throwable t) {
                    t.printStackTrace();
                }
            }
            if (mForestryHumusBlock != null) {
                return mForestryHumusBlock;
            }
        }
        return farmland;
    }
}