"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.onGameSessionUpdate = void 0;
const functions = __importStar(require("firebase-functions"));
const admin = __importStar(require("firebase-admin"));
/**
 * Firestore trigger that notifies partners when a game session is created or completed.
 *
 * Path: couples/{coupleId}/sessions/{sessionId}
 * Condition: onWrite (create, update, delete)
 */
exports.onGameSessionUpdate = functions.firestore
    .document('couples/{coupleId}/sessions/{sessionId}')
    .onWrite(async (change, context) => {
    var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m;
    const { coupleId, sessionId } = context.params;
    const db = admin.firestore();
    const messaging = admin.messaging();
    // Get the session document
    const sessionDoc = await db.collection('couples').doc(coupleId).collection('sessions').doc(sessionId).get();
    const session = sessionDoc.data();
    if (!session) {
        console.log(`[onGameSessionUpdate] session ${sessionId} not found, skipping`);
        return;
    }
    // Get couple info
    const coupleDoc = await db.collection('couples').doc(coupleId).get();
    if (!coupleDoc.exists) {
        console.warn(`[onGameSessionUpdate] couple ${coupleId} not found`);
        return;
    }
    const coupleData = (_a = coupleDoc.data()) !== null && _a !== void 0 ? _a : {};
    const userIds = ((_b = coupleData.userIds) !== null && _b !== void 0 ? _b : []);
    if (userIds.length !== 2) {
        console.warn(`[onGameSessionUpdate] invalid couple ${coupleId}: expected 2 users, got ${userIds.length}`);
        return;
    }
    const partnerA = userIds[0];
    const partnerB = userIds[1];
    // Get user display names for notifications
    const userA = await db.collection('users').doc(partnerA).get();
    const userB = await db.collection('users').doc(partnerB).get();
    const partnerAName = (_d = (_c = userA.data()) === null || _c === void 0 ? void 0 : _c.displayName) !== null && _d !== void 0 ? _d : 'Partner A';
    const partnerBName = (_f = (_e = userB.data()) === null || _e === void 0 ? void 0 : _e.displayName) !== null && _f !== void 0 ? _f : 'Partner B';
    // Check if session was just created (status = "active")
    const previousData = (_g = change.before.data()) !== null && _g !== void 0 ? _g : {};
    const currentData = (_h = change.after.data()) !== null && _h !== void 0 ? _h : {};
    const wasInactive = ((_j = previousData.status) !== null && _j !== void 0 ? _j : '') !== 'active';
    const isActiveNow = currentData.status === 'active';
    if (wasInactive && isActiveNow) {
        // New session started - notify the other partner
        const startedBy = currentData.startedByUserId;
        const gameType = (_k = currentData.gameType) !== null && _k !== void 0 ? _k : 'wheel';
        const partnerId = startedBy === partnerA ? partnerB : partnerA;
        const partnerName = startedBy === partnerA ? partnerBName : partnerAName;
        await notifyPartner(db, messaging, partnerId, partnerName, gameType, 'partner_started_game', `${partnerName} has started a game. Tap to join!`, coupleId);
        return;
    }
    // Check if session was completed
    const wasActive = ((_l = previousData.status) !== null && _l !== void 0 ? _l : '') === 'active';
    const isCompletedNow = currentData.status === 'completed';
    if (wasActive && isCompletedNow) {
        const completedBy = currentData.startedByUserId;
        const partnerId = completedBy === partnerA ? partnerB : partnerA;
        const completingPartnerName = completedBy === partnerA ? partnerAName : partnerBName;
        const gt = (_m = currentData.gameType) !== null && _m !== void 0 ? _m : 'wheel';
        const partnerCompletedAt = currentData.partnerCompletedAt;
        if (partnerCompletedAt) {
            await notifyPartner(db, messaging, partnerA, partnerAName, gt, 'partner_finished_game', `${partnerBName} has finished the game. Tap to see the results!`, coupleId);
            await notifyPartner(db, messaging, partnerB, partnerBName, gt, 'partner_finished_game', `${partnerAName} has finished the game. Tap to see the results!`, coupleId);
        }
        else {
            await notifyPartner(db, messaging, partnerId, completingPartnerName, gt, 'partner_finished_game', `${completingPartnerName} has finished. Tap to continue playing!`, coupleId);
        }
        return;
    }
});
/**
 * Send notification to partner via FCM and write to notification_queue.
 */
async function notifyPartner(db, messaging, partnerId, partnerName, gameType, notificationType, body, coupleId) {
    var _a;
    const notificationPayload = {
        type: notificationType,
        title: `${partnerName} is playing`,
        body: body,
    };
    // Write an in-app notification record for the partner
    await db
        .collection('users')
        .doc(partnerId)
        .collection('notification_queue')
        .add(Object.assign(Object.assign({}, notificationPayload), { read: false, createdAt: admin.firestore.FieldValue.serverTimestamp() }));
    // Collect the partner's FCM tokens
    const tokens = [];
    const partnerUserDoc = await db.collection('users').doc(partnerId).get();
    if (partnerUserDoc.exists) {
        const legacyToken = (_a = partnerUserDoc.data()) === null || _a === void 0 ? void 0 : _a.fcmToken;
        if (typeof legacyToken === 'string' && legacyToken.length > 0) {
            tokens.push(legacyToken);
        }
    }
    const tokenSnapshot = await db
        .collection('users')
        .doc(partnerId)
        .collection('fcmTokens')
        .get();
    tokenSnapshot.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);
        }
    });
    if (tokens.length === 0) {
        console.log(`[notifyPartner] no FCM tokens for ${partnerId}`);
        return;
    }
    const fcmMessage = {
        token: tokens[0],
        notification: {
            title: notificationPayload.title,
            body: notificationPayload.body,
        },
        data: {
            type: notificationPayload.type,
            couple_id: coupleId,
            game_type: gameType,
        },
    };
    const sendResults = await Promise.allSettled(tokens.map((token) => messaging.send(Object.assign(Object.assign({}, fcmMessage), { token }))));
    const failures = [];
    sendResults.forEach((result, index) => {
        if (result.status === 'rejected') {
            failures.push(`${tokens[index]}: ${String(result.reason)}`);
        }
    });
    if (failures.length > 0) {
        console.error(`[notifyPartner] some notifications failed:`, failures);
    }
    else {
        console.log(`[notifyPartner] notified ${partnerId} (${notificationType})`);
    }
}
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