JEI Intergration Attempt

package net.mcreator.berrycows;

import net.minecraft.util.ResourceLocation;
import net.minecraft.item.ItemStack;

import net.mcreator.berrycows.item.PurpleRaspberryItem;
import net.mcreator.berrycows.item.BlueberryMilkItem;
import net.mcreator.berrycows.item.BlueberryItem;
import net.mcreator.berrycows.block.BlueberryBlitzSmoothieBlock;
import net.mcreator.berrycows.block.BerryBlenderBlock;

import mezz.jei.api.registration.IRecipeRegistration;
import mezz.jei.api.registration.IRecipeCategoryRegistration;
import mezz.jei.api.registration.IRecipeCatalystRegistration;
import mezz.jei.api.recipe.category.IRecipeCategory;
import mezz.jei.api.ingredients.IIngredients;
import mezz.jei.api.helpers.IJeiHelpers;
import mezz.jei.api.helpers.IGuiHelper;
import mezz.jei.api.gui.ingredient.IGuiItemStackGroup;
import mezz.jei.api.gui.drawable.IDrawable;
import mezz.jei.api.gui.IRecipeLayout;
import mezz.jei.api.constants.VanillaTypes;
import mezz.jei.api.IModPlugin;

import java.util.List;
import java.util.ArrayList;

@mezz.jei.api.JeiPlugin
public class JEIIntegration implements IModPlugin {
    public static IJeiHelpers jeiHelper;

    @Override
    public ResourceLocation getPluginUid() {
        return new ResourceLocation("berrycows", "default");
    }

    @Override
    public void registerCategories(IRecipeCategoryRegistration registration) {
        jeiHelper = registration.getJeiHelpers();
        registration.addRecipeCategories(new BerryBlenderJeiCategory(jeiHelper.getGuiHelper()));
    }

    @Override
    public void registerRecipes(IRecipeRegistration registration) {
        registration.addRecipes(generateBerryBlenderRecipes(), BerryBlenderJeiCategory.Uid);
        // ...
    }

    private List<BerryBlenderJeiCategory.BerryBlenderRecipeWrapper> generateBerryBlenderRecipes() {
        List<BerryBlenderJeiCategory.BerryBlenderRecipeWrapper> recipes = new ArrayList<>();
        ArrayList<ItemStack> inputs = new ArrayList<>();
        ArrayList<ItemStack> outputs = new ArrayList<>();
        inputs.add(new ItemStack(BlueberryItem.block)); //slot 0 item
        inputs.add(new ItemStack(PurpleRaspberryItem.block)); //slot 1 item
        inputs.add(new ItemStack(BlueberryMilkItem.block));//slot 2 item
        outputs.add(new ItemStack(BlueberryBlitzSmoothieBlock.block)); //slot 3 item
        // ...
        recipes.add(new BerryBlenderJeiCategory.BerryBlenderRecipeWrapper(inputs, outputs));
        return recipes;
    }

    @Override
    public void registerRecipeCatalysts(IRecipeCatalystRegistration registration) {
        registration.addRecipeCatalyst(new ItemStack(BerryBlenderBlock.block), BerryBlenderJeiCategory.Uid);
    }

    public static class BerryBlenderJeiCategory implements IRecipeCategory<BerryBlenderJeiCategory.BerryBlenderRecipeWrapper> {
        private static ResourceLocation Uid = new ResourceLocation("berrycows", "berryblendercategory");
        private static final int input1 = 0; // THE NUMBER = SLOTID
        private static final int input2 = 1; // THE NUMBER = SLOTID
        private static final int input3 = 2; // THE NUMBER = SLOTID
        private static final int output1 = 3; // THE NUMBER = SLOTID
        // ...
        private final String title;
        private final IDrawable background;

        public BerryBlenderJeiCategory(IGuiHelper guiHelper) {
            this.title = "Berry Blender";
            this.background = guiHelper.createDrawable(new ResourceLocation("berrycows", "textures/BlenderGuiPng.png"), 0, 0, 645, 295);
        }

        @Override
        public ResourceLocation getUid() {
            return Uid;
        }

        @Override
        public Class<? extends BerryBlenderRecipeWrapper> getRecipeClass() {
            return BerryBlenderJeiCategory.BerryBlenderRecipeWrapper.class;
        }

        @Override
        public String getTitle() {
            return title;
        }

        @Override
        public IDrawable getBackground() {
            return background;
        }

        @Override
        public IDrawable getIcon() {
            return null;
        }

        @Override
        public void setIngredients(BerryBlenderRecipeWrapper recipeWrapper, IIngredients iIngredients) {
            iIngredients.setInputs(VanillaTypes.ITEM, recipeWrapper.getInput());
            iIngredients.setOutputs(VanillaTypes.ITEM, recipeWrapper.getOutput());
        }

        @Override
        public void setRecipe(IRecipeLayout iRecipeLayout, BerryBlenderRecipeWrapper recipeWrapper, IIngredients iIngredients) {
            IGuiItemStackGroup stacks = iRecipeLayout.getItemStacks();
            stacks.init(input1, true, 132, 56);
            stacks.init(input2, true, 132, 146);
            stacks.init(input3, true, 132, 236);
            stacks.init(output1, false, 586, 127);
            // ...
            stacks.set(input1, iIngredients.getInputs(VanillaTypes.ITEM).get(0));
            stacks.set(input2, iIngredients.getInputs(VanillaTypes.ITEM).get(1));
            stacks.set(input3, iIngredients.getInputs(VanillaTypes.ITEM).get(2));
            stacks.set(output1, iIngredients.getOutputs(VanillaTypes.ITEM).get(0));
            // ...
        }

        public static class BerryBlenderRecipeWrapper {
            private List<ItemStack> input;
            private List<ItemStack> output;

            public BerryBlenderRecipeWrapper(List<ItemStack> input, List<ItemStack> output) {
                this.input = input;
                this.output = output;
            }

            public List<ItemStack> getInput() {
                return input;
            }

            public List<ItemStack> getOutput() {
                return output;
            }
        }
    }
}