use std::fmt::{Display, Formatter, Result};
use std::ops::{Add, Sub, AddAssign, SubAssign, Div, Mul, DivAssign, MulAssign};

use crate::metric::Unit;
use crate::metric::Primitive;

use crate::declare_unit_basics;

#[derive(Copy, Clone, Debug, PartialOrd, PartialEq)]
pub enum DoseEquivalent {
    Base(f64, fn(f64) -> f64, &'static str),
    Canonical(f64),
    Sievert(f64),
    Gray(f64),
}

impl Unit<DoseEquivalent> for DoseEquivalent {
    fn to_si_unit(&self) -> DoseEquivalent {
        match self {
            DoseEquivalent::Base(_, _, _) => self.clone(),
            DoseEquivalent::Canonical(value) => DoseEquivalent::Base(value.clone(), |x| x, "Sv"),
            DoseEquivalent::Sievert(value) => DoseEquivalent::Base(value.clone(), |x| x, "Sv"),
            DoseEquivalent::Gray(value) => DoseEquivalent::Base(value.clone(), |x| x, "Gy"),
        }
    }
}

declare_unit_basics!(DoseEquivalent);

pub type AbsorbedDose = DoseEquivalent;