1 files changed, 62 insertions, 0 deletions
diff --git a/web/src/profileStats.js b/web/src/profileStats.js
new file mode 100644
index 0000000..c88da15
--- /dev/null
+++ b/web/src/profileStats.js
@@ -0,0 +1,62 @@
+const STORAGE_KEY = 'typerpunk:profile';
+// Caps how many past results the progress chart can show - unbounded
+// growth would slowly bloat localStorage for a long-lived install with no
+// benefit, since the chart only ever renders the most recent entries anyway.
+const MAX_HISTORY = 100;
+
+function defaults() {
+    return {
+        testsCompleted: 0,
+        totalTimeSeconds: 0,
+        totalWpm: 0,
+        totalAccuracy: 0,
+        bestWpm: 0,
+        lastTestDate: null,
+        streakDays: 0,
+        history: [],
+    };
+}
+
+function load() {
+    try {
+        const raw = JSON.parse(localStorage.getItem(STORAGE_KEY));
+        return raw && typeof raw === 'object' ? { ...defaults(), ...raw } : defaults();
+    } catch {
+        return defaults();
+    }
+}
+
+export function getProfileStats() {
+    const s = load();
+    return {
+        ...s,
+        averageWpm: s.testsCompleted ? Math.round(s.totalWpm / s.testsCompleted) : 0,
+        averageAccuracy: s.testsCompleted ? Math.round(s.totalAccuracy / s.testsCompleted) : 0,
+    };
+}
+
+// Called once per finished test (any mode, including custom text) - these
+// are lifetime activity totals, not per-mode bests, so unlike pb.js every
+// completed test counts, not just new records.
+export function recordTest({ wpm, accuracy, time }) {
+    const s = load();
+    s.testsCompleted += 1;
+    s.totalTimeSeconds += time;
+    s.totalWpm += wpm;
+    s.totalAccuracy += accuracy;
+    s.bestWpm = Math.max(s.bestWpm, wpm);
+
+    const today = new Date().toDateString();
+    const lastDay = s.lastTestDate ? new Date(s.lastTestDate).toDateString() : null;
+    if (lastDay !== today) {
+        const yesterday = new Date(Date.now() - 86400000).toDateString();
+        s.streakDays = lastDay === yesterday ? s.streakDays + 1 : 1;
+    }
+    s.lastTestDate = Date.now();
+
+    s.history.push({ wpm, accuracy, date: s.lastTestDate });
+    if (s.history.length > MAX_HISTORY) s.history = s.history.slice(-MAX_HISTORY);
+
+    try { localStorage.setItem(STORAGE_KEY, JSON.stringify(s)); } catch {}
+    return s;
+}