"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.aggregateOutcomeStats = exports.MIN_COHORT = exports.FOLLOWUP_DAYS = exports.SCORE_KEYS = void 0;
exports.aggregate = aggregate;
exports.extractCoupleOutcome = extractCoupleOutcome;
const admin = __importStar(require("firebase-admin"));
const scheduler_1 = require("firebase-functions/v2/scheduler");
const log_1 = require("../log");
exports.SCORE_KEYS = ['connection', 'communication', 'intimacy', 'happiness'];
exports.FOLLOWUP_DAYS = ['day_30', 'day_60', 'day_90'];
exports.MIN_COHORT = 50;
function pct(n, total) {
    return total === 0 ? 0 : Math.round((n / total) * 100);
}
/**
 * Pure aggregation — no I/O, unit-tested. A window below [minCohort] couples is suppressed.
 */
function aggregate(couples, minCohort = exports.MIN_COHORT) {
    const windows = {};
    for (const day of exports.FOLLOWUP_DAYS) {
        const eligible = couples.filter((c) => c.deltas[day] != null);
        const cohort = eligible.length;
        if (cohort < minCohort) {
            windows[day] = { cohort, suppressed: true };
            continue;
        }
        const feltCloser = eligible.filter((c) => { var _a, _b; return ((_b = (_a = c.deltas[day]) === null || _a === void 0 ? void 0 : _a.connection) !== null && _b !== void 0 ? _b : 0) > 0; }).length;
        const byMetric = {};
        for (const metric of exports.SCORE_KEYS) {
            const improved = eligible.filter((c) => { var _a, _b; return ((_b = (_a = c.deltas[day]) === null || _a === void 0 ? void 0 : _a[metric]) !== null && _b !== void 0 ? _b : 0) > 0; }).length;
            byMetric[metric] = pct(improved, cohort);
        }
        windows[day] = {
            cohort,
            suppressed: false,
            feltCloserPct: pct(feltCloser, cohort),
            improvedPctByMetric: byMetric,
        };
    }
    return { minCohort, windows };
}
/** Extracts the follow-up deltas from a couple's outcomes subcollection docs. */
function extractCoupleOutcome(outcomeDocs) {
    const deltas = {};
    for (const doc of outcomeDocs) {
        if (exports.FOLLOWUP_DAYS.includes(doc.id)) {
            const delta = doc.data.delta;
            if (delta && typeof delta === 'object')
                deltas[doc.id] = delta;
        }
    }
    return { deltas };
}
exports.aggregateOutcomeStats = (0, scheduler_1.onSchedule)({ schedule: 'every 24 hours', memory: '512MiB', timeoutSeconds: 300 }, async () => {
    const db = admin.firestore();
    const couples = [];
    const couplesSnap = await db.collection('couples').get();
    for (const couple of couplesSnap.docs) {
        const outcomesSnap = await couple.ref.collection('outcomes').get();
        couples.push(extractCoupleOutcome(outcomesSnap.docs.map((d) => ({ id: d.id, data: d.data() }))));
    }
    const stats = aggregate(couples);
    await db.collection('aggregate_stats').doc('outcomes').set(Object.assign(Object.assign({}, stats), { totalCouples: couples.length, generatedAt: admin.firestore.Timestamp.now() }));
    log_1.logger.log(`[aggregateOutcomeStats] ${couples.length} couples → ` +
        exports.FOLLOWUP_DAYS.map((d) => `${d}:${stats.windows[d].suppressed ? 'suppressed' : stats.windows[d].feltCloserPct + '%'}`).join(' '));
});
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