// Maintenance only: stop caller-analytics worker first; does not touch calls or billing.
import { PrismaClient } from '@prisma/client';
import { analyticsHash, COUNT_KEYS } from '../packages/database/dist/index.js';
import assert from 'node:assert/strict';
assert(process.argv.includes('--worker-stopped'), 'Stop the analytics worker before rebuilding derived buckets');
const db = new PrismaClient();
try {
  await db.$transaction(async tx => {
    const rows = await tx.$queryRaw`SELECT * FROM caller_analysis_states`;
    assert(rows.length <= 100000, 'Use a batched maintenance job for larger data sets');
    const buckets = new Map();
    for (const row of rows) {
      const minute = new Date(Math.floor(+row.started_at / 60000) * 60000);
      const id = analyticsHash([minute.toISOString(), row.view, row.customer_id, row.customer_gateway_id, row.vendor_id, row.vendor_gateway_id, row.caller, row.city, row.carrier]);
      const bucket = buckets.get(id) || {...row, id, started_at:minute, counts:Object.fromEntries(COUNT_KEYS.map(k=>[k,0]))};
      for (const key of COUNT_KEYS) bucket.counts[key] += Number(row.counts[key]);
      buckets.set(id,bucket);
    }
    await tx.$executeRaw`DELETE FROM caller_analysis_minute_buckets`;
    for (const r of buckets.values()) await tx.$executeRaw`INSERT INTO caller_analysis_minute_buckets
      (id,started_at,view,customer_id,customer_gateway_id,vendor_id,vendor_gateway_id,caller,city,carrier,counts)
      VALUES (${r.id},${r.started_at},${r.view},${r.customer_id},${r.customer_gateway_id},${r.vendor_id},${r.vendor_gateway_id},${r.caller},${r.city},${r.carrier},${JSON.stringify(r.counts)})`;
    console.log(JSON.stringify({states:rows.length,buckets:buckets.size,rebuilt:true}));
  },{timeout:60000});
} finally {await db.$disconnect();}