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5c920e9 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 | import { create } from "zustand";
/* ═══════════════════ Types ═══════════════════ */
export interface ArenaState {
/* ── Session ── */
nodeId: string | null;
courseId: string | null;
totalStages: number;
currentStageIndex: number;
/* ── Stage state ── */
isCorrect: boolean | null;
showFeedback: boolean;
/* ── Score tracking ── */
correctCount: number;
incorrectCount: number;
consecutiveErrors: number;
remedyTriggered: boolean;
hintsUsed: number;
/* ── Timing ── */
startTime: number | null;
endTime: number | null;
/* ── Animation triggers ── */
showConfetti: boolean;
shakeScreen: boolean;
}
export interface ArenaActions {
/* ── Session lifecycle ── */
startSession: (opts: {
nodeId: string;
courseId: string;
totalStages: number;
}) => void;
endSession: () => void;
/* ── Stage progression ── */
nextStage: () => void;
/* ── Answer evaluation ── */
markCorrect: () => void;
markIncorrect: () => void;
/* ── Feedback ── */
showFeedbackPanel: () => void;
hideFeedbackPanel: () => void;
/* ── Hints ── */
useHint: () => void;
/* ── Animation triggers ── */
triggerConfetti: () => void;
triggerShake: () => void;
clearAnimations: () => void;
/* ── Reset ── */
resetArena: () => void;
}
/* ═══════════════════ Initial State ═══════════════════ */
/** How many consecutive wrong answers before remedy is triggered */
export const REMEDY_THRESHOLD = 3;
const INITIAL_STATE: ArenaState = {
nodeId: null,
courseId: null,
totalStages: 0,
currentStageIndex: 0,
isCorrect: null,
showFeedback: false,
correctCount: 0,
incorrectCount: 0,
consecutiveErrors: 0,
remedyTriggered: false,
hintsUsed: 0,
startTime: null,
endTime: null,
showConfetti: false,
shakeScreen: false,
};
/* ═══════════════════ Store ═══════════════════ */
const useArenaStore = create<ArenaState & ArenaActions>()((set, get) => ({
...INITIAL_STATE,
/* ── Session lifecycle ── */
startSession: ({ nodeId, courseId, totalStages }) =>
set({
...INITIAL_STATE,
nodeId,
courseId,
totalStages,
startTime: Date.now(),
}),
endSession: () =>
set({
endTime: Date.now(),
}),
/* ── Stage progression ── */
nextStage: () =>
set((s) => ({
currentStageIndex: Math.min(s.currentStageIndex + 1, s.totalStages - 1),
isCorrect: null,
showFeedback: false,
showConfetti: false,
shakeScreen: false,
})),
/* ── Answer evaluation ── */
markCorrect: () =>
set((s) => ({
isCorrect: true,
correctCount: s.correctCount + 1,
consecutiveErrors: 0,
})),
markIncorrect: () =>
set((s) => {
const next = s.consecutiveErrors + 1;
return {
isCorrect: false,
incorrectCount: s.incorrectCount + 1,
consecutiveErrors: next,
remedyTriggered: next >= REMEDY_THRESHOLD ? true : s.remedyTriggered,
};
}),
/* ── Feedback ── */
showFeedbackPanel: () => set({ showFeedback: true }),
hideFeedbackPanel: () => set({ showFeedback: false }),
/* ── Hints ── */
useHint: () => set((s) => ({ hintsUsed: s.hintsUsed + 1 })),
/* ── Animation triggers ── */
triggerConfetti: () => set({ showConfetti: true }),
triggerShake: () => {
set({ shakeScreen: true });
setTimeout(() => set({ shakeScreen: false }), 500);
},
clearAnimations: () => set({ showConfetti: false, shakeScreen: false }),
/* ── Reset ── */
resetArena: () => set(INITIAL_STATE),
}));
/** Derived: compute accuracy percentage */
export function getAccuracy(state: ArenaState): number {
const total = state.correctCount + state.incorrectCount;
if (total === 0) return 100;
return Math.round((state.correctCount / total) * 100);
}
/** Derived: compute elapsed time string (e.g. "2m 14s") */
export function getElapsedTime(state: ArenaState): string {
const start = state.startTime ?? Date.now();
const end = state.endTime ?? Date.now();
const secs = Math.floor((end - start) / 1000);
const m = Math.floor(secs / 60);
const s = secs % 60;
return `${m}m ${s.toString().padStart(2, "0")}s`;
}
/** Derived: compute XP gained */
export function getXpGained(state: ArenaState): number {
const accuracy = getAccuracy(state);
const baseXp = 30;
const bonus = Math.floor((accuracy / 100) * 20);
const hintPenalty = state.hintsUsed * 5;
return Math.max(10, baseXp + bonus - hintPenalty);
}
export default useArenaStore;
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