import { Client } from 'pg';
import { startSync } from '../src/services/sat/sat.service.js';

const HORUX_CONN = {
  host: 'localhost',
  port: 5432,
  user: 'postgres',
  password: 'ZxHMrmnwanvLfLDdNJdRthFjWF2Lj1Rb',
  database: 'horux360',
};

const BATCH_SIZE = 10;
const BATCH_DELAY_MS = 60_000; // 1 minuto entre lotes

const todayStart = new Date('2026-08-26T06:00:00.000Z');
const todayEnd = new Date('2026-08-27T06:00:00.000Z');

async function query(client: Client, sql: string, params: any[] = []) {
  const res = await client.query(sql, params);
  return res.rows;
}

async function main() {
  const client = new Client(HORUX_CONN);
  await client.connect();

  const excluded = new Set(
    (process.env.SAT_SYNC_EXCLUDED_TENANTS || '')
      .split(',')
      .map(s => s.trim().toUpperCase())
      .filter(Boolean)
  );

  const tenants = await query(client, `
    SELECT t.id, t.rfc, t.nombre, t.database_name,
      EXISTS (
        SELECT 1 FROM fiel_credentials fc
        WHERE fc.tenant_id = t.id AND fc.is_active = true AND fc.valid_until > NOW()
      ) AS has_legacy_fiel
    FROM tenants t
    WHERE t.active = true
    ORDER BY t.rfc
  `);

  const dailyJobs = await query(client, `
    SELECT tenant_id, contribuyente_id
    FROM sat_sync_jobs
    WHERE type = 'daily'
      AND created_at >= $1
      AND created_at < $2
  `, [todayStart, todayEnd]);

  const dailySet = new Set(
    dailyJobs.map((j: any) => (j.contribuyente_id ? `${j.tenant_id}:${j.contribuyente_id}` : `${j.tenant_id}:`))
  );

  const pending: { tenantId: string; contribuyenteId: string; rfc: string; name: string }[] = [];

  for (const t of tenants) {
    if (excluded.has(t.id) || excluded.has(t.rfc.toUpperCase())) continue;
    if (!t.database_name) {
      // Legacy tenant-wide: no hay contribuyentes en este proyecto actual
      continue;
    }

    const tenantClient = new Client({ ...HORUX_CONN, database: t.database_name });
    try {
      await tenantClient.connect();
      const contribuyentes = await query(tenantClient, `
        SELECT c.entidad_id, c.rfc, eg.nombre AS razon_social,
          EXISTS (
            SELECT 1 FROM fiel_contribuyente f
            WHERE f.contribuyente_id = c.entidad_id
              AND f.is_active = true AND f.valid_until > NOW()
          ) AS has_fiel
        FROM contribuyentes c
        JOIN entidades_gestionadas eg ON eg.id = c.entidad_id
        ORDER BY eg.nombre
      `);

      for (const c of contribuyentes) {
        const eligible = c.has_fiel || t.has_legacy_fiel;
        const key = `${t.id}:${c.entidad_id}`;
        if (eligible && !dailySet.has(key)) {
          pending.push({ tenantId: t.id, contribuyenteId: c.entidad_id, rfc: c.rfc, name: c.razon_social });
        }
      }
    } finally {
      await tenantClient.end().catch(() => {});
    }
  }

  await client.end();

  console.log(`[Launch Pending Daily] Total pendientes: ${pending.length}`);

  const started: string[] = [];
  const failed: { item: typeof pending[0]; error: string }[] = [];

  for (let i = 0; i < pending.length; i += BATCH_SIZE) {
    const batch = pending.slice(i, i + BATCH_SIZE);
    console.log(`\n[Launch Pending Daily] Lote ${Math.floor(i / BATCH_SIZE) + 1}/${Math.ceil(pending.length / BATCH_SIZE)} (${batch.length} items)`);

    const results = await Promise.allSettled(
      batch.map(async (item) => {
        const jobId = await startSync(item.tenantId, 'daily', undefined, undefined, item.contribuyenteId);
        console.log(`  - ${item.name} (${item.rfc}) => job ${jobId}`);
        return { item, jobId };
      })
    );

    results.forEach((res, idx) => {
      const item = batch[idx];
      if (res.status === 'fulfilled') {
        started.push(`${item.name} (${item.rfc})`);
      } else {
        const error = res.reason?.message || String(res.reason);
        console.error(`  - ${item.name} (${item.rfc}) => ERROR: ${error}`);
        failed.push({ item, error });
      }
    });

    if (i + BATCH_SIZE < pending.length) {
      console.log(`[Launch Pending Daily] Esperando ${BATCH_DELAY_MS / 1000}s antes del siguiente lote...`);
      await new Promise(resolve => setTimeout(resolve, BATCH_DELAY_MS));
    }
  }

  console.log(`\n[Launch Pending Daily] Resumen`);
  console.log(`  Iniciados: ${started.length}`);
  console.log(`  Fallidos: ${failed.length}`);
  if (failed.length > 0) {
    for (const f of failed) {
      console.log(`    - ${f.item.name} (${f.item.rfc}): ${f.error}`);
    }
  }
}

main().catch(err => {
  console.error(err);
  process.exit(1);
});