"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.sendStreakReminder = void 0;
const functions = __importStar(require("firebase-functions"));
const admin = __importStar(require("firebase-admin"));
const quietHours_1 = require("./quietHours");
/**
 * Streak reminder — an evening "don't lose your streak" nudge.
 *
 * Schedule: 7 PM America/Chicago. For couples with an active streak (`streakCount > 0`) who have NOT
 * recorded a shared action today, nudge each partner to do something together before the day ends.
 *
 * Gating: per-user `notifStreakReminder` toggle (default on) + quiet hours. Deduped per local day via a
 * transactional `couples/{id}/streak_reminders/{dateKey}` marker (scheduled jobs can fire more than once).
 *
 * Known limitation: the "today" boundary uses America/Chicago (the cron's timezone), not each couple's
 * local day — true per-timezone firing is a future refinement; quiet-hours suppression keeps a mistimed
 * fire from landing at a bad local hour. (Streak day-boundary note in the plan.)
 */
exports.sendStreakReminder = functions.pubsub
    .schedule('0 19 * * *')
    .timeZone('America/Chicago')
    .onRun(async () => {
    const db = admin.firestore();
    const messaging = admin.messaging();
    const todayKey = chicagoDateKey(new Date());
    const coupleSnap = await db.collection('couples').where('streakCount', '>', 0).get();
    let notified = 0;
    let skipped = 0;
    const results = await Promise.allSettled(coupleSnap.docs.map(async (coupleDoc) => {
        var _a, _b;
        const couple = coupleDoc.data();
        const streak = ((_a = couple.streakCount) !== null && _a !== void 0 ? _a : 0);
        if (streak <= 0) {
            skipped++;
            return;
        }
        // Already did a shared action today → the streak is safe, no nudge needed.
        const lastMs = toMillis(couple.lastAnsweredAt);
        if (lastMs > 0 && chicagoDateKey(new Date(lastMs)) === todayKey) {
            skipped++;
            return;
        }
        const userIds = ((_b = couple.userIds) !== null && _b !== void 0 ? _b : []);
        if (userIds.length === 0) {
            skipped++;
            return;
        }
        // Per-day dedupe (transactional create-if-absent) — idempotent across re-runs.
        const markerRef = coupleDoc.ref.collection('streak_reminders').doc(todayKey);
        try {
            await db.runTransaction(async (tx) => {
                const fresh = await tx.get(markerRef);
                if (fresh.exists)
                    throw new Error('already_sent');
                tx.set(markerRef, { sentAt: admin.firestore.FieldValue.serverTimestamp(), streak });
            });
        }
        catch (_c) {
            skipped++;
            return;
        }
        await Promise.allSettled(userIds.map((userId) => sendStreakNudge(db, messaging, userId, coupleDoc.id, streak, todayKey)));
        notified += userIds.length;
    }));
    results.forEach((r) => {
        if (r.status === 'rejected')
            console.warn('[sendStreakReminder] couple failed:', r.reason);
    });
    console.log(`[sendStreakReminder] scanned ${coupleSnap.size} streak couples; notified ${notified}; skipped ${skipped}`);
});
async function sendStreakNudge(db, messaging, userId, coupleId, streak, dateKey) {
    const userDoc = await db.collection('users').doc(userId).get();
    const userData = userDoc.data();
    // Respect the user's Streak Reminder toggle (default on) and quiet hours.
    if ((userData === null || userData === void 0 ? void 0 : userData.notifStreakReminder) === false) {
        console.log(`[sendStreakReminder] skip ${userId} — streak reminder off`);
        return;
    }
    if ((0, quietHours_1.recipientInQuietHours)(userData)) {
        console.log(`[sendStreakReminder] skip ${userId} — quiet hours`);
        return;
    }
    const title = `🔥 Keep your ${streak}-day streak`;
    const body = "Answer tonight's question together before the day ends.";
    await db
        .collection('users')
        .doc(userId)
        .collection('notification_queue')
        .add({
        type: 'streak',
        title,
        body,
        read: false,
        createdAt: admin.firestore.FieldValue.serverTimestamp(),
    });
    const tokens = await getUserTokens(db, userId, userData);
    if (tokens.length === 0)
        return;
    const sendResults = await Promise.allSettled(tokens.map((token) => messaging.send({
        token,
        notification: { title, body },
        android: { notification: { channelId: 'reminders' } },
        data: { type: 'streak', couple_id: coupleId, reminder_date: dateKey },
    })));
    sendResults.forEach((result, i) => {
        if (result.status === 'rejected') {
            console.warn(`[sendStreakReminder] FCM failed for token ${tokens[i]}:`, result.reason);
        }
    });
}
/** YYYY-MM-DD for the given instant in America/Chicago (DST-safe; en-CA gives ISO date order). */
function chicagoDateKey(d) {
    return new Intl.DateTimeFormat('en-CA', {
        timeZone: 'America/Chicago',
        year: 'numeric',
        month: '2-digit',
        day: '2-digit',
    }).format(d);
}
function toMillis(value) {
    if (value instanceof admin.firestore.Timestamp)
        return value.toMillis();
    if (typeof value === 'number')
        return value;
    return 0;
}
async function getUserTokens(db, userId, userData) {
    const tokens = [];
    const data = userData !== null && userData !== void 0 ? userData : (await db.collection('users').doc(userId).get()).data();
    const legacyToken = data === null || data === void 0 ? void 0 : data.fcmToken;
    if (typeof legacyToken === 'string' && legacyToken.length > 0) {
        tokens.push(legacyToken);
    }
    const tokenSnap = await db.collection('users').doc(userId).collection('fcmTokens').get();
    tokenSnap.docs.forEach((doc) => {
        var _a;
        const t = (_a = doc.data()) === null || _a === void 0 ? void 0 : _a.token;
        if (typeof t === 'string' && t.length > 0 && !tokens.includes(t)) {
            tokens.push(t);
        }
    });
    return tokens;
}
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