extern crate telegram_bot;
use telegram_bot::{Api, ListeningMethod, ListeningAction};

mod feature;
use feature::{Feature, FeatureResult};

fn main() {
    let api = Api::from_env("TELEGRAM_BOT_TOKEN").unwrap();

    println!("api started: {:?}", api.get_me());
    let mut features = feature::init();

    let mut listener = api.listener(ListeningMethod::LongPoll(None));
    let res = listener.listen(|u| {
        if let Some(m) = u.message {
            for f in &mut features {
                match (**f).handle(api.clone(), m.clone()) {
                    Ok(r) => {
                        match r {
                            FeatureResult::Handled => break,
                            FeatureResult::Skip => continue,
                        };
                    }
                    Err(e) => {
                        println!("Error in feature {}: {}", f.name(), e);
                    }
                };
            }
        };
        Ok(ListeningAction::Continue)
    });

    if let Err(e) = res {
        panic!(e);
    }
}