package net.minecraft.data.recipes;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Objects;
import net.minecraft.advancements.AdvancementRewards;
import net.minecraft.advancements.Criterion;
import net.minecraft.advancements.Advancement.Builder;
import net.minecraft.advancements.AdvancementRequirements.Strategy;
import net.minecraft.advancements.critereon.RecipeUnlockedTrigger;
import net.minecraft.resources.ResourceKey;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.crafting.Ingredient;
import net.minecraft.world.item.crafting.Recipe;
import net.minecraft.world.item.crafting.SingleItemRecipe;
import net.minecraft.world.item.crafting.StonecutterRecipe;
import net.minecraft.world.level.ItemLike;
import org.jetbrains.annotations.Nullable;

public class SingleItemRecipeBuilder implements RecipeBuilder {
	private final RecipeCategory category;
	private final Item result;
	private final Ingredient ingredient;
	private final int count;
	private final Map<String, Criterion<?>> criteria = new LinkedHashMap();
	@Nullable
	private String group;
	private final SingleItemRecipe.Factory<?> factory;

	public SingleItemRecipeBuilder(RecipeCategory category, SingleItemRecipe.Factory<?> factory, Ingredient ingredient, ItemLike result, int count) {
		this.category = category;
		this.factory = factory;
		this.result = result.asItem();
		this.ingredient = ingredient;
		this.count = count;
	}

	public static SingleItemRecipeBuilder stonecutting(Ingredient ingredient, RecipeCategory category, ItemLike result) {
		return new SingleItemRecipeBuilder(category, StonecutterRecipe::new, ingredient, result, 1);
	}

	public static SingleItemRecipeBuilder stonecutting(Ingredient ingredient, RecipeCategory category, ItemLike result, int count) {
		return new SingleItemRecipeBuilder(category, StonecutterRecipe::new, ingredient, result, count);
	}

	public SingleItemRecipeBuilder unlockedBy(String name, Criterion<?> criterion) {
		this.criteria.put(name, criterion);
		return this;
	}

	public SingleItemRecipeBuilder group(@Nullable String groupName) {
		this.group = groupName;
		return this;
	}

	@Override
	public Item getResult() {
		return this.result;
	}

	@Override
	public void save(RecipeOutput output, ResourceKey<Recipe<?>> resourceKey) {
		this.ensureValid(resourceKey);
		Builder builder = output.advancement()
			.addCriterion("has_the_recipe", RecipeUnlockedTrigger.unlocked(resourceKey))
			.rewards(AdvancementRewards.Builder.recipe(resourceKey))
			.requirements(Strategy.OR);
		this.criteria.forEach(builder::addCriterion);
		SingleItemRecipe singleItemRecipe = this.factory
			.create((String)Objects.requireNonNullElse(this.group, ""), this.ingredient, new ItemStack(this.result, this.count));
		output.accept(resourceKey, singleItemRecipe, builder.build(resourceKey.location().withPrefix("recipes/" + this.category.getFolderName() + "/")));
	}

	private void ensureValid(ResourceKey<Recipe<?>> recipe) {
		if (this.criteria.isEmpty()) {
			throw new IllegalStateException("No way of obtaining recipe " + recipe.location());
		}
	}
}