use std::{fmt::Display, fs::read_to_string, time::Instant};

use color_eyre::eyre;
use tracing_subscriber::EnvFilter;

#[cfg(feature = "day1")]
mod day01;
#[cfg(feature = "day2")]
mod day02;
#[cfg(feature = "day3")]
mod day03;
#[cfg(feature = "day4")]
mod day04;
#[cfg(feature = "day5")]
mod day05;
#[cfg(feature = "day6")]
mod day06;
#[cfg(feature = "day7")]
mod day07;
#[cfg(feature = "day8")]
mod day08;
#[cfg(feature = "day9")]
mod day09;
#[cfg(feature = "day10")]
mod day10;
#[cfg(feature = "day11")]
mod day11;
#[cfg(feature = "day12")]
mod day12;
#[cfg(feature = "day13")]
mod day13;
#[cfg(feature = "day14")]
mod day14;

fn main() -> eyre::Result<()> {
    color_eyre::install()?;
    tracing_subscriber::fmt()
        .with_env_filter(EnvFilter::from_default_env())
        .init();
    #[cfg(feature = "day1")]
    solve_day(1, day01::pt1, day01::pt2);
    #[cfg(feature = "day2")]
    solve_day(2, day02::pt1, day02::pt2);
    #[cfg(feature = "day3")]
    solve_day(3, day03::pt1, day03::pt2);
    #[cfg(feature = "day4")]
    solve_day(4, day04::pt1, day04::pt2);
    #[cfg(feature = "day5")]
    solve_day(5, day05::pt1, day05::pt2);
    #[cfg(feature = "day6")]
    solve_day(6, day06::pt1, day06::pt2);
    #[cfg(feature = "day7")]
    solve_day(7, day07::pt1, day07::pt2);
    #[cfg(feature = "day8")]
    solve_day(8, day08::pt1, day08::pt2);
    #[cfg(feature = "day9")]
    solve_day(9, day09::pt1, day09::pt2);
    #[cfg(feature = "day10")]
    solve_day(10, day10::pt1, day10::pt2);
    #[cfg(feature = "day11")]
    solve_day(11, day11::pt1, day11::pt2);
    #[cfg(feature = "day12")]
    solve_day(12, day12::pt1, day12::pt2);
    #[cfg(feature = "day13")]
    solve_day(13, day13::pt1, day13::pt2);
    #[cfg(feature = "day14")]
    solve_day(14, day14::pt1, day14::pt2);
    Ok(())
}

fn solve_day<Fa, Fb, Ta, Tb>(day: u8, part_a: Fa, part_b: Fb)
where
    Fa: Fn(&str) -> Ta,
    Ta: Display,
    Fb: Fn(&str) -> Tb,
    Tb: Display,
{
    match read_to_string(format!("./inputs/day{day:02}/input.txt")) {
        Ok(input) => {
            let start = Instant::now();
            let result_a = part_a(&input);
            tracing::info!("[{day:02}] Part A: {result_a} \tin {:?}", start.elapsed());
            let start = Instant::now();
            let result_b = part_b(&input);
            tracing::info!("[{day:02}] Part B: {result_b} \tin {:?}", start.elapsed());
        }
        Err(_) => {
            tracing::warn!("could not open ./inputs/day{day:02}/input.txt");
        }
    }
}