OXYGENHUB
# 80642fde09cc oxygenhub / crates / oh / src / ui.rs
3.0 KiB · Rust · last changed Agent grants: agents act for their owner with no key (keyless step 5) 18 days ago source blame history raw
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//! Output styling in the manner of `oxy`: colour and glyphs on a terminal,
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//! plain text with `--plain`, `NO_COLOR` or when piped.
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use std::io::IsTerminal;
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use std::sync::OnceLock;
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static PLAIN: OnceLock<bool> = OnceLock::new();
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pub fn init(plain_flag: bool) {
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    let plain = plain_flag || std::env::var_os("NO_COLOR").is_some_and(|v| !v.is_empty()) || !std::io::stdout().is_terminal();
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    let _ = PLAIN.set(plain);
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}
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fn plain() -> bool {
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    *PLAIN.get().unwrap_or(&true)
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}
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fn paint(code: &str, s: &str) -> String {
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    if plain() {
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        s.to_string()
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    } else {
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        format!("\x1b[{code}m{s}\x1b[0m")
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    }
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}
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pub fn ok(s: &str) -> String {
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    paint("32", s)
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}
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pub fn bad(s: &str) -> String {
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    paint("31", s)
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}
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pub fn warn(s: &str) -> String {
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    paint("35", s)
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}
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pub fn dim(s: &str) -> String {
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    paint("2", s)
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}
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pub fn strong(s: &str) -> String {
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    paint("1", s)
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}
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pub fn kv(key: &str, value: &str) -> String {
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    format!("{} {value}", dim(&format!("{key:>16}")))
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}
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/// A run's or job's or check's status, as a glyph.
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pub fn status(s: &str) -> String {
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    match s {
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        "passed" | "success" => ok("✔"),
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        "failed" | "failure" | "error" => bad("✘"),
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        "running" | "pending" => warn("●"),
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        "queued" => dim("○"),
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        "skipped" | "neutral" => dim("–"),
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        _ => dim("?"),
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    }
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}
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/// "3 minutes ago", as oxy says it.
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pub fn ago(ms: i64) -> String {
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    let now = std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH).map(|d| d.as_millis() as i64).unwrap_or(0);
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    let secs = (now - ms).max(0) / 1000;
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    let unit = |n: i64, w: &str| format!("{n} {w}{} ago", if n == 1 { "" } else { "s" });
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    match secs {
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        0..=44 => "just now".into(),
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        45..=89 => "a minute ago".into(),
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        90..=2_699 => unit((secs + 59) / 60, "minute"),
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        2_700..=5_399 => "an hour ago".into(),
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        5_400..=79_199 => unit((secs + 3_599) / 3_600, "hour"),
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        79_200..=129_599 => "yesterday".into(),
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        _ => unit((secs + 86_399) / 86_400, "day"),
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    }
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}
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/// A wall time as its UTC date and minute, `2026-11-16 09:30Z`.
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pub fn date(ms: i64) -> String {
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    let secs = ms.div_euclid(1000);
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    let (days, rem) = (secs.div_euclid(86_400), secs.rem_euclid(86_400));
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    // Days since 1970-01-01 to a civil date (Howard Hinnant's algorithm).
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    let z = days + 719_468;
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    let era = z.div_euclid(146_097);
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    let doe = z - era * 146_097;
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    let yoe = (doe - doe / 1_460 + doe / 36_524 - doe / 146_096) / 365;
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    let doy = doe - (365 * yoe + yoe / 4 - yoe / 100);
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    let mp = (5 * doy + 2) / 153;
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    let d = doy - (153 * mp + 2) / 5 + 1;
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    let m = if mp < 10 { mp + 3 } else { mp - 9 };
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    let y = yoe + era * 400 + i64::from(m <= 2);
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    format!("{y:04}-{m:02}-{d:02} {:02}:{:02}Z", rem / 3_600, rem % 3_600 / 60)
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}
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#[cfg(test)]
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mod date_tests {
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    #[test]
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    fn dates_are_utc_civil_dates() {
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        assert_eq!(super::date(0), "1970-01-01 00:00Z");
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        assert_eq!(super::date(1_792_229_400_000), "2026-10-17 09:30Z");
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        assert_eq!(super::date(951_782_400_000), "2000-02-29 00:00Z");
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    }
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}