import { describe, it } from 'node:test';
import assert from 'node:assert/strict';
import { validateEmailContent } from '../services/content-validator.service';

const VALID_BODY =
  'Hi there, I wanted to follow up on our conversation about streamlining operations for your team. ' +
  'We have been reviewing options that could reduce manual coordination and improve response times across departments. ' +
  'Would you be open to a short call next week to discuss priorities and next steps?';

describe('content-validator.service', () => {
  it('accepts realistic B2B content', () => {
    const result = validateEmailContent('Following up on our discussion', VALID_BODY);
    assert.equal(result.valid, true);
    assert.equal(result.errors.length, 0);
  });

  it('rejects bracket placeholders', () => {
    const result = validateEmailContent('Hello', 'Dear [Director name], please review this.');
    assert.equal(result.valid, false);
    assert.ok(result.errors.some((e) => e.includes('placeholder')));
  });

  it('rejects mustache placeholders', () => {
    const result = validateEmailContent('Hello', 'Dear {{company}}, thanks for your time.');
    assert.equal(result.valid, false);
  });

  it('rejects tier-1 spam phrases', () => {
    const result = validateEmailContent('Act now', VALID_BODY);
    assert.equal(result.valid, false);
  });

  it('rejects URLs in body', () => {
    const result = validateEmailContent('Hello', 'Please see https://example.com for details.');
    assert.equal(result.valid, false);
  });
});