package crazypants.enderio.machine.capbank;

import net.minecraft.block.Block;
import net.minecraft.inventory.InventoryCrafting;
import net.minecraft.item.ItemStack;
import net.minecraft.item.crafting.IRecipe;
import net.minecraft.world.World;
import net.minecraftforge.oredict.RecipeSorter;
import net.minecraftforge.oredict.RecipeSorter.Category;
import crazypants.enderio.EnderIO;
import crazypants.enderio.power.PowerHandlerUtil;

public class ConvertOldRecipe implements IRecipe {

  static {
    RecipeSorter.register("EnderIO:convertOldCapBankRecipe", ConvertOldRecipe.class, Category.SHAPELESS, "after:minecraft:shapeless");
  }

  private ItemStack output;

  @Override
  public boolean matches(InventoryCrafting inv, World world) {
    ItemStack input = null;
    for (int i = 0; i < inv.getSizeInventory(); i++) {
      ItemStack checkStack = inv.getStackInSlot(i);
      if(checkStack != null) {
        if(input != null) {
          return false;
        }
        if(Block.getBlockFromItem(checkStack.getItem()) == EnderIO.blockCapacitorBank) {
          input = checkStack;
        } else {
          return false;
        }
      }
    }

    if(input == null) {
      return false;
    }

    output = new ItemStack(EnderIO.blockCapBank, 1, CapBankType.getMetaFromType(CapBankType.ACTIVATED));
    PowerHandlerUtil.setStoredEnergyForItem(output, PowerHandlerUtil.getStoredEnergyForItem(input));
    return true;

  }

  @Override
  public ItemStack getCraftingResult(InventoryCrafting inv) {
    return output.copy();
  }

  @Override
  public int getRecipeSize() {
    return 1;
  }

  @Override
  public ItemStack getRecipeOutput() {
    return output;
  }

}