use std::time::Duration;
use time::OffsetDateTime;

pub const ONE_MINUTE: Duration = Duration::from_secs(60);

pub fn last_minute() -> OffsetDateTime {
    let now_timestamp = OffsetDateTime::now_utc().unix_timestamp();
    OffsetDateTime::from_unix_timestamp(now_timestamp - now_timestamp % 60).unwrap()
}

pub fn next_minute() -> OffsetDateTime {
    last_minute() + ONE_MINUTE
}

pub fn duration_until(time: OffsetDateTime) -> Duration {
    let duration = time - OffsetDateTime::now_utc();

    if duration.is_positive() {
        duration.unsigned_abs()
    } else {
        Duration::default()
    }
}