mod day1;
mod day2;

fn main() {
    // part 1 or 2
    let day = std::env::args().nth(1).expect("needs to specify day for first argument");
    let part = std::env::args().nth(2).expect("needs to specify 1 or 2 for second argument");

    if day == "day1" {
        if part == "1" {
            println!("{}", day1::part1());
        } else if part == "2" {
            println!("{}", day1::part2());
        } else {
            panic!("expecting 1 or 2 for argument 2")
        }
    }

    if day == "day2" {
        if part == "1" {
            println!("{}", day2::part1());
        } else if part == "2" {
            println!("{}", day2::part2());
        } else {
            panic!("expecting 1 or 2 for argument 2")
        }
    }
}