use std::sync::{Arc, Weak};

use pumpkin_data::entity::EntityType;

use crate::entity::{
    Entity, NBTStorage,
    ai::goal::{
        active_target::ActiveTargetGoal, look_around::RandomLookAroundGoal,
        look_at_entity::LookAtEntityGoal, melee_attack::MeleeAttackGoal, swim::SwimGoal,
        wander_around::WanderAroundGoal,
    },
    mob::{Mob, MobEntity},
};

pub struct SilverfishEntity {
    entity: Arc<MobEntity>,
}

impl SilverfishEntity {
    pub fn new(entity: Entity) -> Arc<Self> {
        let entity = Arc::new(MobEntity::new(entity));
        let silverfish = Self { entity };
        let mob_arc = Arc::new(silverfish);
        let mob_weak: Weak<dyn Mob> = {
            let mob_arc: Arc<dyn Mob> = mob_arc.clone();
            Arc::downgrade(&mob_arc)
        };

        {
            let mut goal_selector = mob_arc
                .entity
                .goals_selector
                .lock()
                .unwrap_or_else(std::sync::PoisonError::into_inner);
            let mut target_selector = mob_arc
                .entity
                .target_selector
                .lock()
                .unwrap_or_else(std::sync::PoisonError::into_inner);

            goal_selector.add_goal(0, Box::new(SwimGoal::default()));
            goal_selector.add_goal(4, Box::new(MeleeAttackGoal::new(1.0, false)));
            goal_selector.add_goal(5, Box::new(WanderAroundGoal::new(1.0)));
            goal_selector.add_goal(
                8,
                LookAtEntityGoal::with_default(mob_weak, &EntityType::PLAYER, 8.0),
            );
            goal_selector.add_goal(8, Box::new(RandomLookAroundGoal::default()));

            target_selector.add_goal(
                2,
                ActiveTargetGoal::with_default(&mob_arc.entity, &EntityType::PLAYER, true),
            );
        };

        mob_arc
    }
}

impl NBTStorage for SilverfishEntity {}

impl Mob for SilverfishEntity {
    fn get_mob_entity(&self) -> &MobEntity {
        &self.entity
    }
}
