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)?;

    let node = fs.find_main_file().unwrap().to_owned();
    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(())
}