use argh::FromArgs;

use crate::Error;
use crate::action::ActionExec;
use crate::config::Config;
use crate::utils::{magnet_hash, torrent_hash};

#[derive(FromArgs, PartialEq, Debug)]
#[argh(subcommand, name = "hash")]
/// get infohash from magnet/torrent
pub struct HashAction {
    #[argh(positional)]
    /// the magnet link or torrent file to parse
    torrent: String,
}

impl ActionExec for HashAction {
    fn exec(&self, _config: &Config) -> Result<(), Error> {
        // TODO errors
        let hash = if self.torrent.starts_with("magnet:") {
            magnet_hash(&self.torrent)
        } else {
            torrent_hash(&self.torrent)
        };
        println!("{}", hash);
        Ok(())
    }
}