use chrono::Timelike;
use chrono::{NaiveDate, NaiveTime};

#[derive(Debug, Clone)]
pub struct Event {
    pub date: NaiveDate,
    pub time: Time,
    pub name: String,
}

impl Event {
    pub fn pprint(&self) -> String {
        match self.time {
            Time::AllDay => self.name.clone(),
            Time::Time { start, end: None } => format!("{} {}", pprint_time(start), self.name),
            Time::Time {
                start,
                end: Some(e),
            } => format!("{}-{} {}", pprint_time(start), pprint_time(e), self.name),
        }
    }
}

#[derive(Debug, Clone, Copy, PartialOrd, PartialEq, Eq, Ord)]
pub enum Time {
    AllDay,
    Time {
        start: NaiveTime,
        end: Option<NaiveTime>,
    },
}

fn pprint_time(t: NaiveTime) -> String {
    if t.minute() == 0 {
        format!("{}h", t.hour())
    } else {
        format!("{}h{}", t.hour(), t.minute())
    }
}