package net.minecraft.world.entity.ai.behavior;

import com.google.common.collect.ImmutableMap;
import net.minecraft.core.component.DataComponents;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.Mob;
import net.minecraft.world.entity.ai.memory.MemoryModuleType;
import net.minecraft.world.entity.ai.memory.MemoryStatus;
import net.minecraft.world.entity.monster.CrossbowAttackMob;
import net.minecraft.world.entity.projectile.ProjectileUtil;
import net.minecraft.world.item.CrossbowItem;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.Items;
import net.minecraft.world.item.component.ChargedProjectiles;

public class CrossbowAttack<E extends Mob & CrossbowAttackMob, T extends LivingEntity> extends Behavior<E> {
    private static final int TIMEOUT = 1200;
    private int attackDelay;
    private CrossbowAttack.CrossbowState crossbowState = CrossbowAttack.CrossbowState.UNCHARGED;

    public CrossbowAttack() {
        super(ImmutableMap.of(MemoryModuleType.LOOK_TARGET, MemoryStatus.REGISTERED, MemoryModuleType.ATTACK_TARGET, MemoryStatus.VALUE_PRESENT), 1200);
    }

    protected boolean checkExtraStartConditions(ServerLevel p_22778_, E p_22779_) {
        LivingEntity livingentity = getAttackTarget(p_22779_);
        return p_22779_.isHolding(Items.CROSSBOW) && BehaviorUtils.canSee(p_22779_, livingentity) && BehaviorUtils.isWithinAttackRange(p_22779_, livingentity, 0);
    }

    protected boolean canStillUse(ServerLevel p_22781_, E p_22782_, long p_22783_) {
        return p_22782_.getBrain().hasMemoryValue(MemoryModuleType.ATTACK_TARGET) && this.checkExtraStartConditions(p_22781_, p_22782_);
    }

    protected void tick(ServerLevel p_22794_, E p_22795_, long p_22796_) {
        LivingEntity livingentity = getAttackTarget(p_22795_);
        this.lookAtTarget(p_22795_, livingentity);
        this.crossbowAttack(p_22795_, livingentity);
    }

    protected void stop(ServerLevel p_22805_, E p_22806_, long p_22807_) {
        if (p_22806_.isUsingItem()) {
            p_22806_.stopUsingItem();
        }

        if (p_22806_.isHolding(Items.CROSSBOW)) {
            p_22806_.setChargingCrossbow(false);
            p_22806_.getUseItem().set(DataComponents.CHARGED_PROJECTILES, ChargedProjectiles.EMPTY);
        }
    }

    private void crossbowAttack(E p_22787_, LivingEntity p_22788_) {
        if (this.crossbowState == CrossbowAttack.CrossbowState.UNCHARGED) {
            p_22787_.startUsingItem(ProjectileUtil.getWeaponHoldingHand(p_22787_, Items.CROSSBOW));
            this.crossbowState = CrossbowAttack.CrossbowState.CHARGING;
            p_22787_.setChargingCrossbow(true);
        } else if (this.crossbowState == CrossbowAttack.CrossbowState.CHARGING) {
            if (!p_22787_.isUsingItem()) {
                this.crossbowState = CrossbowAttack.CrossbowState.UNCHARGED;
            }

            int i = p_22787_.getTicksUsingItem();
            ItemStack itemstack = p_22787_.getUseItem();
            if (i >= CrossbowItem.getChargeDuration(itemstack, p_22787_)) {
                p_22787_.releaseUsingItem();
                this.crossbowState = CrossbowAttack.CrossbowState.CHARGED;
                this.attackDelay = 20 + p_22787_.getRandom().nextInt(20);
                p_22787_.setChargingCrossbow(false);
            }
        } else if (this.crossbowState == CrossbowAttack.CrossbowState.CHARGED) {
            this.attackDelay--;
            if (this.attackDelay == 0) {
                this.crossbowState = CrossbowAttack.CrossbowState.READY_TO_ATTACK;
            }
        } else if (this.crossbowState == CrossbowAttack.CrossbowState.READY_TO_ATTACK) {
            p_22787_.performRangedAttack(p_22788_, 1.0F);
            this.crossbowState = CrossbowAttack.CrossbowState.UNCHARGED;
        }
    }

    private void lookAtTarget(Mob p_22798_, LivingEntity p_22799_) {
        p_22798_.getBrain().setMemory(MemoryModuleType.LOOK_TARGET, new EntityTracker(p_22799_, true));
    }

    private static LivingEntity getAttackTarget(LivingEntity p_22785_) {
        return p_22785_.getBrain().getMemory(MemoryModuleType.ATTACK_TARGET).get();
    }

    static enum CrossbowState {
        UNCHARGED,
        CHARGING,
        CHARGED,
        READY_TO_ATTACK;
    }
}