use std::{
    env::{args, var},
    fs::File,
    io::{BufReader, stdout},
};
use unity_tools::{serialized_file::SerializedFile, unityfs::UnityFS};

fn main() -> anyhow::Result<()> {
    env_logger::init_from_env("LOG");
    let file = BufReader::new(File::open(args().nth(1).unwrap())?);
    let fs = UnityFS::open(file)?;
    let filter = args().nth(2);
    let pretty = var("PRETTY").is_ok();

    let node = fs.find_main_file().unwrap().to_owned();
    let mut cab = fs.read(&node)?;
    let mut file = SerializedFile::read(&mut cab)?;
    for ob in file.objects.clone() {
        if let Some(f) = &filter {
            if file.get_object_type_tree(&ob)?.type_string != *f && ob.path_id.to_string() != *f {
                continue;
            }
        }
        let value = file.read_object(ob)?;
        if pretty {
            serde_json::to_writer_pretty(stdout(), &value.to_json()).unwrap();
        } else {
            serde_json::to_writer(stdout(), &value.to_json()).unwrap();
        }
        println!()
    }

    Ok(())
}