use std::io::Write;

use crate::models::Entry;
use crate::error::Result;

pub fn print_formatted<W: Write>(entries: Vec<Entry>, out: &mut W) -> Result<()> {
    unimplemented!()
}

#[cfg(test)]
mod tests {
    use pretty_assertions::assert_eq;
    use chrono::{Utc, Duration};

    use crate::test_utils::PrettyString;

    use super::*;

    #[test]
    fn ical_format() {
        let now = Utc::now();
        let an_hour_ago = now - Duration::hours(1);
        let entries = vec![
            Entry::new_sample(1, an_hour_ago, Some(now)),
            Entry::new_sample(1, an_hour_ago, None),
        ];

        let mut out = Vec::new();

        print_formatted(entries, &mut out).unwrap();

        assert_eq!(PrettyString(&String::from_utf8_lossy(&out)), PrettyString(&format!("\
            BEGIN:VCALENDAR\
            CALSCALE:GREGORIAN\
            METHOD:PUBLISH\
            PRODID:tiempo-rs\
            VERSION:2.0\
            BEGIN:VEVENT\
            DESCRIPTION:{note}\
            DTEND:{end}\
            DTSTAMP:{now}\
            DTSTART:{start}\
            SEQUENCE:0\
            SUMMARY:{note}\
            UID:{uid}@{host}\
            END:VEVENT\
            END:VCALENDAR\
        ")));
    }
}