use bollard::Docker;

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    let backup_root_folder = std::env::var("BACKUP_FOLDER")?;
    let backup_root_path = std::path::Path::new(&backup_root_folder);

    let folders = list_folders(backup_root_path).await?;

    let docker_conn = Docker::connect_with_socket_defaults()?;
    let docker_version = docker_conn.version().await?;
    println!("Docker version: {:?}", docker_version);

    Ok(())
}

async fn list_folders(path: &std::path::Path) -> anyhow::Result<Vec<std::path::PathBuf>> {
    let mut folders = Vec::new();
    let mut dir_entries = tokio::fs::read_dir(path).await?;
    while let Some(entry) = dir_entries.next_entry().await? {
        let file_type = entry.file_type().await?;
        if file_type.is_dir() {
            folders.push(entry.path());
        }
    }

    Ok(folders)
}