//#region src/infra/format-time/format-duration.ts
function formatDurationSeconds(ms, options = {}) {
	if (!Number.isFinite(ms)) return "unknown";
	const decimals = options.decimals ?? 1;
	const unit = options.unit ?? "s";
	const trimmed = (Math.max(0, ms) / 1e3).toFixed(Math.max(0, decimals)).replace(/\.0+$/, "").replace(/(\.\d*[1-9])0+$/, "$1");
	return unit === "seconds" ? `${trimmed} seconds` : `${trimmed}s`;
}
/** Precise decimal-seconds output: "500ms" or "1.23s". Input is milliseconds. */
function formatDurationPrecise(ms, options = {}) {
	if (!Number.isFinite(ms)) return "unknown";
	if (ms < 1e3) return `${ms}ms`;
	return formatDurationSeconds(ms, {
		decimals: options.decimals ?? 2,
		unit: options.unit ?? "s"
	});
}
/**
* Compact compound duration: "500ms", "45s", "2m5s", "1h30m".
* With `spaced`: "45s", "2m 5s", "1h 30m".
* Omits trailing zero components: "1m" not "1m 0s", "2h" not "2h 0m".
* Returns undefined for null/undefined/non-finite/non-positive input.
*/
function formatDurationCompact(ms, options) {
	if (ms == null || !Number.isFinite(ms) || ms <= 0) return;
	if (ms < 1e3) return `${Math.round(ms)}ms`;
	const sep = options?.spaced ? " " : "";
	const totalSeconds = Math.round(ms / 1e3);
	const hours = Math.floor(totalSeconds / 3600);
	const minutes = Math.floor(totalSeconds % 3600 / 60);
	const seconds = totalSeconds % 60;
	if (hours >= 24) {
		const days = Math.floor(hours / 24);
		const remainingHours = hours % 24;
		return remainingHours > 0 ? `${days}d${sep}${remainingHours}h` : `${days}d`;
	}
	if (hours > 0) return minutes > 0 ? `${hours}h${sep}${minutes}m` : `${hours}h`;
	if (minutes > 0) return seconds > 0 ? `${minutes}m${sep}${seconds}s` : `${minutes}m`;
	return `${seconds}s`;
}
/**
* Rounded single-unit duration for display: "500ms", "5s", "3m", "2h", "5d".
* Returns fallback string for null/undefined/non-finite input.
*/
function formatDurationHuman(ms, fallback = "n/a") {
	if (ms == null || !Number.isFinite(ms) || ms < 0) return fallback;
	if (ms < 1e3) return `${Math.round(ms)}ms`;
	const sec = Math.round(ms / 1e3);
	if (sec < 60) return `${sec}s`;
	const min = Math.round(sec / 60);
	if (min < 60) return `${min}m`;
	const hr = Math.round(min / 60);
	if (hr < 24) return `${hr}h`;
	return `${Math.round(hr / 24)}d`;
}

//#endregion
export { formatDurationHuman as n, formatDurationPrecise as r, formatDurationCompact as t };