use crate::bullet::Bullet;

pub const TOKEN_DAY: char = '=';

#[derive(Debug, PartialEq, Clone, serde::Deserialize, serde::Serialize)]
pub struct Day {
    pub index: u8,
    pub bullets: Option<Vec<Bullet>>,
}

impl PartialOrd for Day {
    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
        Some(self.index.cmp(&other.index))
    }
}

impl Day {
    pub fn title(&self) -> String {
        format!("{TOKEN_DAY}\t{}", self.index)
    }
    pub fn basic_format(&self) -> String {
        let first_line = format!("{}\n", self.title());
        let Some(bullets) = &self.bullets else {
            return first_line;
        };
        let bullets_formed = bullets
            .iter()
            .map(Bullet::basic_format)
            .collect::<Vec<_>>()
            .join("\n");
        format!("{first_line}{bullets_formed}")
    }
}