/** @vitest-environment jsdom */
import { describe, expect, it } from 'vitest';
import { buildWooCommerceProductUrl } from './productUrl';

describe('buildWooCommerceProductUrl', () => {
  it('keeps a direct HTTPS merchant PDP and preserves the selected variation attributes', () => {
    const url = buildWooCommerceProductUrl(
      'https://merchant.example/product/linen-dress/?utm_source=private#reviews',
      '77',
      { '77': { attribute_pa_color: 'navy', pa_size: 'm' } }
    );
    expect(url).toBe('https://merchant.example/product/linen-dress/?variation_id=77&attribute_pa_color=navy&attribute_pa_size=m');
  });

  it('preserves functional plain-permalink queries while removing trackers', () => {
    expect(buildWooCommerceProductUrl('https://merchant.example/?product=shirt&utm_source=private&gclid=secret')).toBe(
      'https://merchant.example/?product=shirt'
    );
  });

  it('rejects non-HTTPS or malformed URLs', () => {
    expect(buildWooCommerceProductUrl('http://merchant.example/product/shirt/', '7')).toBeNull();
    expect(buildWooCommerceProductUrl('/relative/product', '7')).toBeNull();
  });

  it('drops malformed variation ids and disallowed attribute keys', () => {
    expect(buildWooCommerceProductUrl('https://merchant.example/product/shirt/?variation_id=5&attribute_pa_color=red', '7&coupon=x', {
      '7&coupon=x': { 'not safe!': 'secret' },
    })).toBe('https://merchant.example/product/shirt/');
  });
});