use std::{cmp::Reverse, collections::BTreeMap, env::args, fs::File, io::BufReader};
use unity_tools::assetbundle::AssetBundle;

fn main() -> anyhow::Result<()> {
    env_logger::init_from_env("LOG");
    let file = BufReader::new(File::open(args().nth(1).unwrap()).unwrap());
    let mut bundle = AssetBundle::open(file, "samples")?;

    let mut counters = BTreeMap::<String, usize>::new();
    for ob in bundle.all_toplevel() {
        *counters.entry(ob.class).or_default() += 1;
    }

    let mut s = counters.into_iter().collect::<Vec<_>>();
    s.sort_by_key(|s| Reverse(s.1));

    for (k, c) in s {
        println!("{c:6} {k}");
    }

    Ok(())
}