use log::debug;

#[derive(PartialEq, Eq, Hash)]
pub enum Item {
    Ending(String),
    Exact(String),
}

impl Item {
    pub fn from_line(rule: &str) -> Self {
        if let Some(item) = rule.strip_prefix(".") {
            debug!("Add `{rule}` to the whitelist");
            Self::Ending(item.to_string())
        } else {
            debug!("Add `{rule}` exact match to the whitelist");
            Self::Exact(rule.to_string())
        }
    }
}

impl std::fmt::Display for Item {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            Self::Ending(s) => write!(f, ".{}", s),
            Self::Exact(s) => write!(f, "{}", s),
        }
    }
}