use aoc22::day2;
use aoc22::util;

fn parse_choice(choice_char: char) -> day2::Choice {
    match choice_char {
        'A' => day2::Choice::Rock,
        'B' => day2::Choice::Paper,
        'C' => day2::Choice::Scissors,
        'X' => day2::Choice::Rock,
        'Y' => day2::Choice::Paper,
        'Z' => day2::Choice::Scissors,
        _ => panic!("Unknown choice {}", choice_char),
    }
}

fn parse_round(round: &(char, char)) -> day2::Round {
    day2::Round {
        opponent: parse_choice(round.0),
        own: parse_choice(round.1),
    }
}

pub fn main() {
    let rounds = day2::parse_rounds(&util::parse_input());

    let score = rounds
        .iter()
        .map(parse_round)
        .map(|round| round.score())
        .sum::<u32>();
    println!("Total score is {}", score);
}