60 lines
2.1 KiB
TypeScript
60 lines
2.1 KiB
TypeScript
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/**
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* Pure utility functions for the draft clock/timer system.
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* Extracted here to be independently testable and shared across
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* route handlers and UI components.
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*
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* Clock model (chess-clock / Fischer increment):
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* - Draft start: every team receives `initialTime` as their bank.
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* - While on the clock: the active team's bank counts down each second.
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* - After a pick is made: the picker's bank += `incrementTime`.
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* - Between turns: all other teams' banks are left untouched.
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*/
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/**
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* Formats a seconds value for display.
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* undefined → "--:--"
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* < 3600 s → "m:ss"
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* >= 3600 s → "h:mm:ss"
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*/
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export function formatClockTime(seconds: number | undefined): string {
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if (seconds === undefined) return "--:--";
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const clamped = Math.max(0, seconds); // guard against negative values from timer drift
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const h = Math.floor(clamped / 3600);
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const m = Math.floor((clamped % 3600) / 60);
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const s = clamped % 60;
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if (h > 0)
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return `${h}:${String(m).padStart(2, "0")}:${String(s).padStart(2, "0")}`;
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return `${m}:${String(s).padStart(2, "0")}`;
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}
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/**
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* Returns a team's new bank time after they complete a pick.
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* The increment is the post-pick reward (chess clock model).
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*
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* @param bankTime Current remaining seconds in the team's bank
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* @param incrementTime Bonus seconds awarded after each pick
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*/
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export function calculateTimeAfterPick(
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bankTime: number,
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incrementTime: number
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): number {
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return bankTime + incrementTime;
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}
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/**
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* Returns the Tailwind colour class(es) for a timer value.
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*
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* > 60 s → green (plenty of time)
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* > 30 s → amber (getting tight)
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* > 10 s → coral (urgent)
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* ≤ 10 s → coral + animate-pulse (critical)
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* undefined → muted (clock not running)
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*/
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export function getTimerColorClass(seconds: number | undefined): string {
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if (seconds === undefined) return "text-muted-foreground";
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if (seconds > 60) return "text-emerald-400";
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if (seconds > 30) return "text-amber-accent";
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if (seconds > 10) return "text-coral-accent";
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return "text-coral-accent animate-pulse";
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}
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