use std::sync::Arc;

use super::Material;
use crate::ray::Ray;
use crate::vec3::Color;
use crate::{hittable::HitRecord, texture::Texture, vec3::Vec3};

pub struct Isotropic {
    albedo: Arc<dyn Texture>,
}

impl Isotropic {
    // pub fn from_color(color: Color) -> Self {
    //     Self {
    //         albedo: Arc::new(SolidColor::from_color(color)),
    //     }
    // }

    pub fn from_texture(texture: Arc<dyn Texture>) -> Self {
        Self { albedo: texture }
    }
}

impl Material for Isotropic {
    fn scatter(
        &self,
        ray_in: &Ray,
        hit_record: &HitRecord,
        attenuation: &mut Color,
        scattered: &mut Ray,
    ) -> bool {
        *scattered = Ray {
            origin: hit_record.p.clone(),
            direction: Vec3::random_in_unit_sphere(),
            time: ray_in.time,
        };
        *attenuation = self.albedo.value(hit_record.u, hit_record.v, &hit_record.p);
        true
    }
}