Generated with Hive: Fix formatCountdown to display HH:MM:SS for long invoice expiries

src/lib/__tests__/format-countdown.test.ts

@@ -29,4 +29,16 @@ describe("formatCountdown", () => {
   it("floors fractional seconds", () => {
     expect(formatCountdown(90.9)).toBe("01:30")
   })
+
+  it('returns "01:00:00" for 3600 seconds', () => {
+    expect(formatCountdown(3600)).toBe("01:00:00")
+  })
+
+  it('returns "23:54:06" for 86046 seconds', () => {
+    expect(formatCountdown(86046)).toBe("23:54:06")
+  })
+
+  it('returns "01:30" for 90 seconds (unchanged MM:SS)', () => {
+    expect(formatCountdown(90)).toBe("01:30")
+  })
 })

src/lib/format-countdown.ts

@@ -1,7 +1,11 @@
-/** Converts seconds into a "MM:SS" string (e.g. 90 → "01:30"). */
+/** Converts seconds into a "MM:SS" string (e.g. 90 → "01:30") or "HH:MM:SS" for durations ≥ 1 hour (e.g. 86046 → "23:54:06"). */
 export function formatCountdown(seconds: number): string {
   const s = Math.max(0, Math.floor(seconds))
-  const m = Math.floor(s / 60)
+  const h = Math.floor(s / 3600)
+  const m = Math.floor((s % 3600) / 60)
   const rem = s % 60
+  if (h > 0) {
+    return `${String(h).padStart(2, "0")}:${String(m).padStart(2, "0")}:${String(rem).padStart(2, "0")}`
+  }
   return `${String(m).padStart(2, "0")}:${String(rem).padStart(2, "0")}`
 }