use chrono::Utc;
use domain::value_objects::DateTimeStamp;

#[test]
fn now_is_recent() {
    let before = Utc::now();
    let ts = DateTimeStamp::now();
    let after = Utc::now();
    assert!(*ts.as_datetime() >= before);
    assert!(*ts.as_datetime() <= after);
}

#[test]
fn ordering() {
    let a = DateTimeStamp::from_datetime(
        chrono::DateTime::parse_from_rfc3339("2024-01-01T00:00:00Z").unwrap().into(),
    );
    let b = DateTimeStamp::from_datetime(
        chrono::DateTime::parse_from_rfc3339("2025-01-01T00:00:00Z").unwrap().into(),
    );
    assert!(a < b);
}

#[test]
fn serde_roundtrip() {
    let ts = DateTimeStamp::now();
    let json = serde_json::to_string(&ts).unwrap();
    let back: DateTimeStamp = serde_json::from_str(&json).unwrap();
    assert_eq!(ts, back);
}