use std::{fmt::Debug, sync::Arc};

use crate::{aabb::AABB, material::Material, ray::Ray, vec3::Vec3};

#[derive(Debug)]
pub struct HitRecord<'m> {
    pub t: f32,
    pub uv: (f32, f32),
    pub p: Vec3,
    pub normal: Vec3,
    pub material: &'m dyn Material,
}

pub trait Hit: Send + Sync + Debug {
    fn hit(&self, r: Ray, t_min: f32, t_max: f32) -> Option<HitRecord>;
    fn bounding_box(&self, t_min: f32, t_max: f32) -> Option<AABB>;
}

impl Hit for Arc<dyn Hit> {
    fn hit(&self, r: Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
        (**self).hit(r, t_min, t_max)
    }
    fn bounding_box(&self, t_min: f32, t_max: f32) -> Option<AABB> {
        (**self).bounding_box(t_min, t_max)
    }
}

impl Hit for Box<dyn Hit> {
    fn hit(&self, r: Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
        (**self).hit(r, t_min, t_max)
    }
    fn bounding_box(&self, t_min: f32, t_max: f32) -> Option<AABB> {
        (**self).bounding_box(t_min, t_max)
    }
}