use std::path::Path;

use tempfile::TempDir;

#[tokio::main]
async fn main() {
    let threads = 4;
    let src = std::env::args().nth(1).unwrap();
    let dest = std::env::args().nth(2).unwrap();

    let scratch = TempDir::new().unwrap();
    let mut dest = tokio::fs::OpenOptions::new()
        .create(true)
        .write(true)
        .open(dest)
        .await
        .unwrap();

    let mut cpiocache = nix_cpio_generator::cpio_cache::CpioCache::new(
        scratch.path().to_path_buf(),
        Some(threads),
        1_000_000,
    )
    .unwrap();
    let (size, stream) = nix_cpio_generator::stream::stream(&mut cpiocache, Path::new(&src))
        .await
        .unwrap();
    println!("Bytes: {}", size);
    tokio::io::copy(
        &mut Box::pin(tokio_util::io::StreamReader::new(stream)),
        &mut dest,
    )
    .await
    .unwrap();
}