import { describe, it, expect } from 'vitest';
import { sanitize } from './observer-pii-filter.mjs';

describe('observer-pii-filter sanitize', () => {
  it('masks Russian phone numbers', () => {
    const input = 'Контакт: +79991234567 — позвонить';
    expect(sanitize(input)).toBe('Контакт: +7XXXXXXXXXX — позвонить');
  });

  it('masks email addresses', () => {
    const input = 'Mail: kpd9363@gmail.com';
    expect(sanitize(input)).toBe('Mail: ***@***');
  });

  it('masks Sentry-style tokens', () => {
    const input = 'token sntrys_abc123def456ghi789';
    expect(sanitize(input)).toContain('[REDACTED');
    expect(sanitize(input)).not.toContain('sntrys_abc123def456ghi789');
  });

  it('is idempotent on already-sanitized strings', () => {
    const sanitized = 'Контакт: +7XXXXXXXXXX, ***@***';
    expect(sanitize(sanitized)).toBe(sanitized);
  });

  it('handles empty string', () => {
    expect(sanitize('')).toBe('');
  });

  it('handles object input by sanitizing string fields recursively', () => {
    const input = { task_id: 'x', note: 'call +79991234567' };
    const out = sanitize(input);
    expect(out.note).toBe('call +7XXXXXXXXXX');
    expect(out.task_id).toBe('x');
  });
});