use std::sync::Arc;

use crate::{
    hittable::{
        hittable_list::HittableList, xy_rect::XYRect, xz_rect::XZRect, yz_rect::YZRect, HitRecord,
        Hittable, AABB,
    },
    material::Material,
    ray::Ray,
    vec3::Point3,
};

pub struct HittableBox {
    min: Point3,
    max: Point3,
    sides: HittableList,
}

impl HittableBox {
    pub fn new(min: Point3, max: Point3, material: Arc<dyn Material>) -> Self {
        let mut sides = HittableList::new();

        sides.add(Arc::new(XYRect {
            material: material.clone(),
            x0: min.x,
            x1: max.x,
            y0: min.y,
            y1: max.y,
            k: max.z,
        }));
        sides.add(Arc::new(XYRect {
            material: material.clone(),
            x0: min.x,
            x1: max.x,
            y0: min.y,
            y1: max.y,
            k: min.z,
        }));

        sides.add(Arc::new(XZRect {
            material: material.clone(),
            x0: min.x,
            x1: max.x,
            z0: min.z,
            z1: max.z,
            k: max.y,
        }));
        sides.add(Arc::new(XZRect {
            material: material.clone(),
            x0: min.x,
            x1: max.x,
            z0: min.z,
            z1: max.z,
            k: min.y,
        }));

        sides.add(Arc::new(YZRect {
            material: material.clone(),
            y0: min.y,
            y1: max.y,
            z0: min.z,
            z1: max.z,
            k: max.x,
        }));
        sides.add(Arc::new(YZRect {
            material: material.clone(),
            y0: min.y,
            y1: max.y,
            z0: min.z,
            z1: max.z,
            k: min.x,
        }));

        Self { min, max, sides }
    }
}

impl Hittable for HittableBox {
    fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord> {
        self.sides.hit(ray, t_min, t_max)
    }

    fn bounding_box(&self, _: f64, _: f64) -> Option<AABB> {
        Some(AABB {
            minimum: self.min.clone(),
            maximum: self.max.clone(),
        })
    }
}