use std::env;

use gentoo_utils::{atom::Atom, repo::Repo, useflag::UseFlag};
use itertools::Itertools;

fn main() {
    let repo_path = env::args().nth(1).expect("expected path to mock repo");
    let repo = Repo::new(&repo_path).expect("failed to open repo");
    let profile = repo
        .evaluate_profile("features/emacs/gui")
        .expect("failed to evaluate profile");

    assert_eq!(
        profile.make_defaults()["USE"]
            .split_ascii_whitespace()
            .sorted()
            .collect::<Vec<_>>(),
        vec!["base", "emacs"]
    );

    assert_eq!(
        profile
            .packages()
            .iter()
            .map(Atom::to_string)
            .collect::<Vec<_>>(),
        vec!["app-editors/emacs"]
    );

    let emacs_package_use = profile
        .package_use()
        .iter()
        .find_map(|(atom, flags)| {
            if atom.clone().into_cp().to_string() == "app-editors/emacs" {
                Some(flags)
            } else {
                None
            }
        })
        .expect("failed to read package.use settings for app-editors/emacs");

    assert_eq!(
        emacs_package_use
            .iter()
            .map(UseFlag::to_string)
            .collect::<Vec<_>>(),
        vec!["default", "gui"]
    );

    assert_eq!(
        profile
            .use_force()
            .iter()
            .map(UseFlag::to_string)
            .collect::<Vec<_>>(),
        vec!["default", "gui"]
    );
}