use crate::days::Solution;

pub struct Day01;

impl Solution for Day01 {
    type Input = Vec<i16>;

    fn parse(&self, data: &str) -> Self::Input {
        data.split("\n")
            .map(|l| {
                let mut chars = l.chars();
                let first = chars.next();
                let num = chars.collect::<String>().parse::<i16>();

                match (first, num) {
                    (Some('L'), Ok(n)) => -1 * n,
                    (Some('R'), Ok(n)) => n,
                    _ => 0,
                }
            })
            .collect()
    }

    fn part1(&self, input: &Self::Input) -> usize {
        input
            .iter()
            .fold((50, 0), |(sum, res), x| match (sum + x) % 100 {
                0 => (0, res + 1),
                newsum => (newsum, res),
            })
            .1
    }

    fn part2(&self, input: &Self::Input) -> usize {
        0
    }
}