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import { createContext, useContext, useRef, type ReactNode } from 'react'
type GameCompleteCallback = (gameState: Record<string, unknown>) => void
const GameCompletionContext = createContext<GameCompleteCallback | null>(null)
/**
* Provides a game completion callback that game providers can call
* when transitioning to the 'results' phase.
*
* Used by PracticeGameModeProvider to detect game completion
* without needing a separate socket connection.
*/
export function GameCompletionProvider({
onGameComplete,
children,
}: {
onGameComplete: GameCompleteCallback
children: ReactNode
}) {
// Use ref to avoid re-renders when callback identity changes
const callbackRef = useRef(onGameComplete)
callbackRef.current = onGameComplete
// Stable callback that reads from ref
const stableCallback = useRef<GameCompleteCallback>((gameState) => {
callbackRef.current(gameState)
}).current
return (
<GameCompletionContext.Provider value={stableCallback}>
{children}
</GameCompletionContext.Provider>
)
}
/**
* Returns the game completion callback if available (i.e., inside a GameCompletionProvider).
* Returns null if not in a practice/game-break context.
*/
export function useGameCompletionCallback(): GameCompleteCallback | null {
return useContext(GameCompletionContext)
}
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