import { describe, it, expect } from 'vitest'
import { exportPage, type ExportOptions } from '@/lib/exporter/html'
import { pageSchema, type Page } from '@/lib/schema/page'

function makePage(): Page {
  return pageSchema.parse({
    title: 'Img Perf',
    locale: 'en',
    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
    sections: [ { type: 'hero', props: { heading: 'Hello', subheading: 'World', imageUrl: 'https://img/h.png' } } ],
    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
    seo: { title: 't', description: 'd' },
  })
}

describe('이미지 loading/decoding 토글', () => {
  it('기본은 loading="lazy", decoding="async"', () => {
    const page = makePage()
    const out = exportPage(page)
    expect(out.html).toContain('loading="lazy"')
    expect(out.html).toContain('decoding="async"')
  })

  it('옵션으로 eager/sync로 바꿀 수 있다', () => {
    const page = makePage()
    const opts: ExportOptions = { imageLoading: 'eager', imageDecoding: 'sync' }
    const out = exportPage(page, opts)
    expect(out.html).toContain('loading="eager"')
    expect(out.html).toContain('decoding="sync"')
  })
})