use super::prelude::*;

lazy_static! {
    static ref TARGET_TIME: chrono::NaiveTime = chrono::NaiveTime::from_hms(21, 0, 0);
}

pub fn pianoman(dt: chrono::NaiveDateTime) -> TodayIter {
    if dt.weekday() != chrono::Weekday::Fri {
        return Box::new(empty());
    }

    let diff = {
        let result = *TARGET_TIME - dt.time();
        if result < chrono::Duration::zero() {
            -result
        } else {
            result
        }
    };

    if diff > Duration::minutes(5) {
        return Box::new(empty());
    }

    Box::new(once(by_url("https://www.youtube.com/watch?v=gxEPV4kolz0")))
}