use crate::{message::Action, name::NameType};
use uuid::Uuid;

#[derive(Clone, Debug, Eq, Hash)]
pub enum Include<T> {
    All,
    Just(T),
}

impl<T: PartialEq> PartialEq for Include<T> {
    fn eq(&self, other: &Self) -> bool {
        match self {
            Include::All => true,
            Include::Just(data) => match other {
                Include::All => true,
                Include::Just(other_data) => data == other_data,
            },
        }
    }
}

#[cfg(test)]
mod includes {
    use super::*;

    #[test]
    fn does_all_equal_evberything() {
        let a: Include<isize> = Include::All;
        let b: Include<isize> = Include::Just(5);
        let c: Include<isize> = Include::Just(7);
        assert!(a == a, "all should equal all");
        assert!(a == b, "all should equal just");
        assert!(b == a, "just should equal all");
        assert!(b == b, "same just should equal");
        assert!(b != c, "different justs do not equal");
    }
}

#[derive(Clone, Debug)]
pub struct Path {
    pub msg_id: Include<Uuid>,
    pub doc: Include<NameType>,
    pub action: Include<Action>,
}

impl Path {
    pub fn new(id: Include<Uuid>, doc: Include<NameType>, action: Include<Action>) -> Self {
        Self {
            msg_id: id,
            doc: doc,
            action: action,
        }
    }
}