#![feature(
    iterator_try_collect,
    iter_array_chunks,
    array_windows,
    iter_intersperse,
    impl_trait_in_assoc_type
)]

pub mod day_01;
pub mod day_02;
pub mod day_03;
pub mod day_04;
pub mod day_05;
pub mod day_06;
pub mod day_07;
pub mod day_08;
pub mod day_09;
pub mod day_10;
pub mod day_11;
pub mod day_12;
pub mod day_13;
pub mod day_14;
pub mod day_15;
pub mod day_16;
pub mod day_17;

pub trait Problem {
    const DAY: u8;

    const INPUT: &'static str;
}

pub trait Solution: Problem {
    type Answer1: std::fmt::Display + Default;

    type Answer2: std::fmt::Display + Default;

    fn part_1(input: &str) -> anyhow::Result<Self::Answer1>;

    fn part_2(input: &str) -> anyhow::Result<Self::Answer2>;

    fn solve() -> anyhow::Result<()> {
        print!("Day {}.1", Self::DAY);
        let timer = std::time::SystemTime::now();
        let answer = Self::part_1(Self::INPUT)?;
        let duration = timer.elapsed()?;
        println!(" ({:.2}ms)", duration.as_micros() as f64 / 100f64);
        println!("{answer}\n");

        print!("Day {}.2", Self::DAY);
        let timer = std::time::SystemTime::now();
        let answer = Self::part_2(Self::INPUT)?;
        let duration = timer.elapsed()?;
        println!(" ({:.2}ms)", duration.as_micros() as f64 / 100f64);
        println!("{answer}\n");

        Ok(())
    }
}