use anyhow::Result;
use std::env;
use std::fs::OpenOptions;
use std::sync::{Arc, Mutex};
use w3s::helper;

#[tokio::main]
async fn main() -> Result<()> {
    let args = env::args().collect::<Vec<_>>();

    match args.as_slice() {
        [_, url, path] => download(url, path).await,
        _ => panic!(
            "\n\nPlease input [url_to_the_encrypted_ipfs_file] and the [path_to_save_file]\n\n"
        ),
    }
}

async fn download(url: &String, path: &String) -> Result<()> {
    let mut file = OpenOptions::new()
        .write(true)
        .append(false)
        .create(true)
        .open(path)?;

    let name = path;

    helper::download(
        url,
        name,
        &mut file,
        Some(Arc::new(Mutex::new(|name, _, pos, total| {
            println!("name: {name} {pos}/{total}");
        }))),
        None,
        Some(b"abcd1234".to_vec()),
        true,
    )
    .await?;

    println!("file downloaded to path:{path}");

    Ok(())
}