package net.minecraft.util.datafix.fixes;

import com.mojang.datafixers.DSL;
import com.mojang.datafixers.DataFix;
import com.mojang.datafixers.OpticFinder;
import com.mojang.datafixers.TypeRewriteRule;
import com.mojang.datafixers.Typed;
import com.mojang.datafixers.schemas.Schema;
import com.mojang.datafixers.types.Type;
import com.mojang.datafixers.util.Pair;
import com.mojang.serialization.Dynamic;
import java.util.Optional;
import java.util.Set;
import net.minecraft.util.datafix.schemas.NamespacedSchema;

public class EffectDurationFix extends DataFix {
    private static final Set<String> POTION_ITEMS = Set.of("minecraft:potion", "minecraft:splash_potion", "minecraft:lingering_potion", "minecraft:tipped_arrow");

    public EffectDurationFix(Schema p_267976_) {
        super(p_267976_, false);
    }

    @Override
    protected TypeRewriteRule makeRule() {
        Schema schema = this.getInputSchema();
        Type<?> type = this.getInputSchema().getType(References.ITEM_STACK);
        OpticFinder<Pair<String, String>> opticfinder = DSL.fieldFinder("id", DSL.named(References.ITEM_NAME.typeName(), NamespacedSchema.namespacedString()));
        OpticFinder<?> opticfinder1 = type.findField("tag");
        return TypeRewriteRule.seq(
            this.fixTypeEverywhereTyped(
                "EffectDurationEntity", schema.getType(References.ENTITY), p_268118_ -> p_268118_.update(DSL.remainderFinder(), this::updateEntity)
            ),
            this.fixTypeEverywhereTyped(
                "EffectDurationPlayer", schema.getType(References.PLAYER), p_268326_ -> p_268326_.update(DSL.remainderFinder(), this::updateEntity)
            ),
            this.fixTypeEverywhereTyped("EffectDurationItem", type, p_358828_ -> {
                if (p_358828_.getOptional(opticfinder).filter(p_358829_ -> POTION_ITEMS.contains(p_358829_.getSecond())).isPresent()) {
                    Optional<? extends Typed<?>> optional = p_358828_.getOptionalTyped(opticfinder1);
                    if (optional.isPresent()) {
                        Dynamic<?> dynamic = optional.get().get(DSL.remainderFinder());
                        Typed<?> typed = optional.get().set(DSL.remainderFinder(), dynamic.update("CustomPotionEffects", this::fix));
                        return p_358828_.set(opticfinder1, typed);
                    }
                }

                return p_358828_;
            })
        );
    }

    private Dynamic<?> fixEffect(Dynamic<?> p_267989_) {
        return p_267989_.update("FactorCalculationData", p_268051_ -> {
            int i = p_268051_.get("effect_changed_timestamp").asInt(-1);
            p_268051_ = p_268051_.remove("effect_changed_timestamp");
            int j = p_267989_.get("Duration").asInt(-1);
            int k = i - j;
            return p_268051_.set("ticks_active", p_268051_.createInt(k));
        });
    }

    private Dynamic<?> fix(Dynamic<?> p_268201_) {
        return p_268201_.createList(p_268201_.asStream().map(this::fixEffect));
    }

    private Dynamic<?> updateEntity(Dynamic<?> p_268005_) {
        p_268005_ = p_268005_.update("Effects", this::fix);
        p_268005_ = p_268005_.update("ActiveEffects", this::fix);
        return p_268005_.update("CustomPotionEffects", this::fix);
    }
}