"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.submitOutcomeCallable = void 0;
const functions = __importStar(require("firebase-functions"));
const admin = __importStar(require("firebase-admin"));
const DAY_KEYS = ['day_0', 'day_30', 'day_60', 'day_90'];
const SCORE_KEYS = ['connection', 'communication', 'intimacy', 'happiness'];
const MIN_SCORE = 1;
const MAX_SCORE = 10;
function isValidDayKey(value) {
    return typeof value === 'string' && DAY_KEYS.includes(value);
}
function isValidScoreMap(value) {
    if (typeof value !== 'object' || value === null || Array.isArray(value))
        return false;
    const map = value;
    for (const key of SCORE_KEYS) {
        const num = map[key];
        if (typeof num !== 'number' || Number.isNaN(num))
            return false;
        if (num < MIN_SCORE || num > MAX_SCORE)
            return false;
    }
    return true;
}
exports.submitOutcomeCallable = functions.https.onCall(async (data, context) => {
    var _a, _b, _c;
    const callerId = (_a = context.auth) === null || _a === void 0 ? void 0 : _a.uid;
    if (!callerId) {
        throw new functions.https.HttpsError('unauthenticated', 'Must be signed in.');
    }
    const coupleId = data === null || data === void 0 ? void 0 : data.coupleId;
    if (typeof coupleId !== 'string' || coupleId.length === 0) {
        throw new functions.https.HttpsError('invalid-argument', 'coupleId is required.');
    }
    const dayKey = data === null || data === void 0 ? void 0 : data.dayKey;
    if (!isValidDayKey(dayKey)) {
        throw new functions.https.HttpsError('invalid-argument', `dayKey must be one of: ${DAY_KEYS.join(', ')}.`);
    }
    const scores = data === null || data === void 0 ? void 0 : data.scores;
    if (!isValidScoreMap(scores)) {
        throw new functions.https.HttpsError('invalid-argument', `scores must contain ${SCORE_KEYS.join(', ')} with values ${MIN_SCORE}-${MAX_SCORE}.`);
    }
    const db = admin.firestore();
    const coupleRef = db.collection('couples').doc(coupleId);
    // Caller must be a member of the couple.
    const coupleDoc = await coupleRef.get();
    if (!coupleDoc.exists) {
        throw new functions.https.HttpsError('not-found', 'Couple not found.');
    }
    const userIds = ((_c = (_b = coupleDoc.data()) === null || _b === void 0 ? void 0 : _b.userIds) !== null && _c !== void 0 ? _c : []);
    if (!userIds.includes(callerId)) {
        throw new functions.https.HttpsError('permission-denied', 'Caller is not a member of this couple.');
    }
    const now = admin.firestore.Timestamp.now();
    const outcomeRef = coupleRef.collection('outcomes').doc(dayKey);
    const result = await db.runTransaction(async (tx) => {
        var _a, _b, _c, _d, _e, _f, _g, _h;
        const existing = await tx.get(outcomeRef);
        const existingData = existing.exists ? ((_a = existing.data()) !== null && _a !== void 0 ? _a : {}) : {};
        // If this is a follow-up (non-baseline), a baseline must exist to compute delta.
        if (dayKey !== 'day_0') {
            const baselineRef = coupleRef.collection('outcomes').doc('day_0');
            const baselineSnap = await tx.get(baselineRef);
            if (!baselineSnap.exists) {
                throw new functions.https.HttpsError('failed-precondition', 'Baseline (day_0) outcome must be submitted before follow-up outcomes.');
            }
        }
        const answeredBy = ((_b = existingData.answeredBy) !== null && _b !== void 0 ? _b : []);
        if (!answeredBy.includes(callerId)) {
            answeredBy.push(callerId);
        }
        const payload = {
            dayKey,
            answeredBy,
            updatedAt: now,
            createdAt: (_c = existingData.createdAt) !== null && _c !== void 0 ? _c : now,
        };
        if (dayKey === 'day_0') {
            payload.baseline = scores;
        }
        else {
            payload.scores = scores;
        }
        // Delta is recalculated every time so repeated submissions stay consistent.
        if (dayKey !== 'day_0') {
            const baselineRef = coupleRef.collection('outcomes').doc('day_0');
            const baselineSnap = await tx.get(baselineRef);
            if (baselineSnap.exists) {
                const baseline = ((_e = (_d = baselineSnap.data()) === null || _d === void 0 ? void 0 : _d.baseline) !== null && _e !== void 0 ? _e : {});
                const delta = {};
                for (const key of SCORE_KEYS) {
                    delta[key] = ((_f = scores[key]) !== null && _f !== void 0 ? _f : 0) - ((_g = baseline[key]) !== null && _g !== void 0 ? _g : 0);
                }
                payload.delta = delta;
            }
        }
        tx.set(outcomeRef, payload, { merge: true });
        // Per-user mirror for cross-relationship stats.
        const userOutcomeRef = db.collection('users').doc(callerId).collection('outcomes').doc(dayKey);
        tx.set(userOutcomeRef, Object.assign(Object.assign({ dayKey,
            coupleId }, (dayKey === 'day_0' ? { baseline: scores } : { scores, delta: payload.delta })), { answeredBy: [callerId], createdAt: (_h = existingData.createdAt) !== null && _h !== void 0 ? _h : now, updatedAt: now }), { merge: true });
        return { dayKey, answeredBy };
    });
    console.log(`[submitOutcomeCallable] ${callerId} submitted ${dayKey} for couple ${coupleId}`);
    return Object.assign({ success: true }, result);
});
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