use anyhow::Result;
use std::{env::args, fs::File, io::BufReader};
use unity_tools::{serialized_file::read_serialized_file_header, unityfs::UnityFS};

fn main() -> Result<()> {
    let file = BufReader::new(File::open(args().nth(1).unwrap())?);
    let mut fs = UnityFS::open(file)?;

    for node in fs.nodes().to_vec() {
        if node.name.ends_with(".resource") || node.name.ends_with(".resS") {
            continue;
        }
        let mut cab = fs.read(&node)?;
        let ch = read_serialized_file_header(&mut cab)?;

        if fs.unity_version.is_ascii() && ch.generator_version.is_ascii() && ch.format < 100 {
            println!(
                "{}\t{}\t{}\t{}",
                fs.file_version, fs.unity_version, ch.format, ch.generator_version
            );
        }
    }

    Ok(())
}