import { describe, it, expect } from 'vitest'
import { readFileSync } from 'node:fs'
import path from 'node:path'

const pub = path.resolve(__dirname, '../public')

describe('PWA assets', () => {
  it('manifest has required fields and the icon exists', () => {
    const manifest = JSON.parse(readFileSync(path.join(pub, 'manifest.webmanifest'), 'utf8')) as {
      name: string
      display: string
      start_url: string
      icons: { src: string; sizes: string; type: string }[]
    }
    expect(manifest.name).toContain('record-shop')
    expect(manifest.display).toBe('standalone')
    expect(manifest.start_url).toBe('/')
    expect(manifest.icons.some((i) => i.src === '/icon.svg')).toBe(true)
    expect(() => readFileSync(path.join(pub, 'icon.svg'))).not.toThrow()
  })

  it('service worker registers a fetch handler', () => {
    const sw = readFileSync(path.join(pub, 'sw.js'), 'utf8')
    expect(sw).toContain("addEventListener('fetch'")
  })
})