import { describe, expect, it } from 'vitest'

import { LEGAL_DOCUMENT_UPDATED_AT_ISO, LEGAL_PAGE_SEO, legalWebPageSchema, refundPolicyFaqSchema } from '@/lib/seo/legalPages'

describe('legal page SEO helpers', () => {
  it('keeps absolute legal titles within SERP-safe length', () => {
    for (const page of Object.values(LEGAL_PAGE_SEO)) {
      expect(page.metaTitle.length).toBeGreaterThan(20)
      expect(page.metaTitle.length).toBeLessThanOrEqual(60)
      expect(page.metaDescription.length).toBeGreaterThanOrEqual(70)
      expect(page.metaDescription.length).toBeLessThanOrEqual(160)
      expect(page.h1.length).toBeGreaterThan(5)
    }
  })

  it('emits WebPage schema with language, dates, and site graph links', () => {
    const schema = legalWebPageSchema('terms')

    expect(schema).toMatchObject({
      '@id': 'https://ghabilee.ir/terms#webpage',
      inLanguage: 'fa-IR',
      datePublished: LEGAL_DOCUMENT_UPDATED_AT_ISO,
      dateModified: LEGAL_DOCUMENT_UPDATED_AT_ISO,
      isPartOf: { '@id': 'https://ghabilee.ir/#website' },
      publisher: { '@id': 'https://ghabilee.ir/#organization' },
      url: 'https://ghabilee.ir/terms',
    })
    expect(schema['@type']).toEqual(['WebPage', 'TermsOfService'])
  })

  it('exposes FAQ entities for refund-policy rich results', () => {
    const faq = refundPolicyFaqSchema()

    expect(faq['@type']).toBe('FAQPage')
    expect(faq.mainEntity.length).toBeGreaterThanOrEqual(6)
    expect(faq.mainEntity[0]).toMatchObject({
      '@type': 'Question',
      acceptedAnswer: { '@type': 'Answer' },
    })
  })
})