use owl::{db::model::person::Person, prelude::*};

#[relation("parent", Person, "child", Person, RelationKind::Unidirectional)]
pub struct ParentRelation;

pub fn main() {
    let db = Database::in_memory();
    let p = Person::new_id("myperson", "first", "last");
    db.save(p);
    let p: Model<Person> = db.get("myperson").unwrap();

    let p2 = Person::new_id("secperson", "second", "last");
    let p2 = db.save(p2);

    ParentRelation.add(&p, &p2, None, &db);

    let children_of = ParentRelation::get_child_of(&p, &db);
    dbg!(&children_of);

    let children_of = dereference(&children_of, &db);
    children_of
        .iter()
        .for_each(|x| println!("child: {:?}", x.read()));

    let my_parents = dereference(&ParentRelation::get_parent_of(&p2, &db), &db);
    my_parents
        .iter()
        .for_each(|x| println!("parent: {:?}", x.read()));
}