use std::str::FromStr;
use url::{ParseError, Url};
pub struct Announce(Url);
impl Announce {
pub fn new(announce_url: &str, id20: &[u8; 20], port: u16) -> Result<Self, ParseError> {
let mut url = Url::from_str(announce_url)?;
let mut rng = rand::rng();
let mut peer_id = [0u8; 20];
rand::RngExt::fill(&mut rng, &mut peer_id);
url.set_query(Some(&format!(
"info_hash={}&peer_id={}&port={port}&uploaded=0&downloaded=0&left=1000&compact=1",
super::url_encode_bytes(id20),
super::url_encode_bytes(&peer_id)
)));
Ok(Self(url))
}
}
impl std::fmt::Display for Announce {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.0)
}
}