import { describe, it, expect, beforeEach, afterEach } from 'bun:test';
import { makeMemDb } from '../../helpers/db';
import { GroupSyncService } from '../../../src/services/group-sync';
import { AllowedGroups } from '../../../src/services/allowed-groups';
import { setDb } from '../../../src/db/locator';

describe('GroupSyncService - gating en syncMembersForGroup (enforce)', () => {
  const envBackup = process.env;

  beforeEach(() => {
    process.env = { ...envBackup, NODE_ENV: 'test', GROUP_GATING_MODE: 'enforce' };
    const memdb = makeMemDb();
    setDb(memdb);

    // Stub fetchGroupMembersFromAPI para no hacer red
    (GroupSyncService as any).fetchGroupMembersFromAPI = async (_groupId: string) => {
      return [{ userId: '34600111111', isAdmin: false }];
    };
  });

  afterEach(() => {
    process.env = envBackup;
  });

  it('no sincroniza miembros para grupo no allowed', async () => {
    const res = await GroupSyncService.syncMembersForGroup('na@g.us');
    expect(res).toEqual({ added: 0, updated: 0, deactivated: 0 });

    const db = (GroupSyncService as any).dbInstance;
    const row = db.query(`SELECT COUNT(*) AS c FROM group_members WHERE group_id = 'na@g.us'`).get() as any;
    expect(Number(row?.c || 0)).toBe(0);
  });

  it('sincroniza miembros para grupo allowed', async () => {
    AllowedGroups.setStatus('ok@g.us', 'allowed', 'OK');

    const res = await GroupSyncService.syncMembersForGroup('ok@g.us');
    expect(res.added + res.updated + res.deactivated).toBeGreaterThan(0);

    const db = (GroupSyncService as any).dbInstance;
    const row = db.query(`SELECT COUNT(*) AS c FROM group_members WHERE group_id = 'ok@g.us'`).get() as any;
    expect(Number(row?.c || 0)).toBeGreaterThan(0);
  });
});
