// Station Master's server default (src/server/index.ts's `PORT` fallback) — kept identical here
// so the env var below is documentation, not a real override.
export const uiPort = 8081

// Where the volume is mounted inside the subcontainer, and so also `DATA_DIR`'s value. The
// server's own per-game persistence (`games/<gameId>/`, `index.json`) and this package's
// store.json (the join secret) share this one directory — see README's Volume and Data Layout.
export const dataDir = '/data'

/**
 * "3 Aug 2026, 14:32" — a timestamp a person reads, not an epoch they decode.
 *
 * Shared by the two actions that list games, so the administrator sees one date format wherever
 * a game is named. It lived in `gamesInProgress.ts` until v0.8.1.0, when the Manage Game dropdown
 * needed it too and copying it would have been the second copy to drift.
 */
export function when(ms: number): string {
  return new Date(ms).toLocaleString('en-GB', { dateStyle: 'medium', timeStyle: 'short' })
}

/**
 * How long ago, in the coarsest unit that is still true: "12m", "3h", "2d".
 *
 * The Manage Game dropdown is a one-line select whose job is to tell four games apart, and the
 * question asked of it is "how old are these" (Jesse, 2026-09-22: "I've got four games out there,
 * but I have no idea which one's which or how old they are"). An absolute date answers WHEN and
 * makes the reader do the subtraction; this answers the question directly and costs four
 * characters, so the label carries both.
 */
export function ago(ms: number, now: number = Date.now()): string {
  const mins = Math.max(0, Math.round((now - ms) / 60_000))
  if (mins < 60) return `${mins}m`
  const hours = Math.round(mins / 60)
  if (hours < 48) return `${hours}h`
  return `${Math.round(hours / 24)}d`
}