onEvent('kube_jei.register_categories', (event) => {
    const { drawables, helpers, jeiHelpers, mc, renderHelper } = event;
    const arrow = drawables.arrow();
    event
        .custom(blockConvID)
        .setTitle(Text.of('Block Conversion'))
        .setIcon(drawables.ingredient(Item.of('create:brass_hand')))
        .setBackground(drawables.blank(20 * 4, 18))
        .fillIngredients((recipe, ingredients) => {
            /**
             * @type {blockConvDummyRecipe}
             */
            const { holding, target, output } = recipe.data;

            ingredients.setItemInputs(holding, target);
            ingredients.setItemOutputs(output);
        })
        .handleLookup((layout, recipe, ingredients) => {
            const itemBuilder = layout.itemGroupBuilder;

            //hold
            itemBuilder.addSlot(0, 0);
            //target
            itemBuilder.addSlot(20, 0);
            //output
            itemBuilder.addSlot(60, 0).setInput(false);

            itemBuilder.applyIngredients(ingredients);
        })
        .setDrawHandler((recipe, matrixStack, mouseX, mouseY) => {
            arrow.draw(matrixStack, 36, 1);
        });
});

onEvent('kube_jei.register_recipes', (event) => {
    const builder = event.custom(blockConvID);

    blockConvRecipes.forEach((recipe) => builder.add(recipe));
    blockConvDummyRecipes().forEach((recipe) => builder.add(recipe));
});
