import assert from 'node:assert/strict'
import { readFileSync } from 'node:fs'
import { describe, it } from 'node:test'

const pageSource = readFileSync(
  new URL('../src/app/(frontend)/posts/[slug]/page.tsx', import.meta.url),
  'utf8',
)

const slug = process.env.ANWARPY_VIP_TEST_SLUG
const marker = process.env.ANWARPY_VIP_BODY_MARKER
const cookie = process.env.ANWARPY_VIP_COOKIE
const baseUrl = (process.env.ANWARPY_TEST_BASE_URL || 'http://127.0.0.1:3000').replace(/\/$/, '')

async function body(url, headers = {}) {
  const response = await fetch(url, { headers, redirect: 'manual' })
  return { status: response.status, text: await response.text() }
}

describe('VIP content query boundary', () => {
  it('does not load content before entitlement is established', () => {
    const pageStart = pageSource.indexOf('export default async function PostPage')
    const roleCheck = pageSource.indexOf('const role = await getViewerRole()', pageStart)
    const beforeRole = pageSource.slice(pageStart, roleCheck)
    assert.doesNotMatch(beforeRole, /content\s*:\s*true/)
  })

  it('loads content only inside the unlocked branch', () => {
    assert.match(
      pageSource,
      /const unlocked[\s\S]*if \(unlocked\) \{[\s\S]*findByID\([\s\S]*select:\s*\{\s*content:\s*true\s*\}/,
    )
    assert.match(pageSource, /\{unlocked \? \([\s\S]*<RichText data=\{post\.content\}/)
  })
})

describe('VIP transport acceptance', () => {
  it('does not expose the protected marker to anonymous HTML, RSC, or REST', {
    skip: !slug || !marker,
  }, async () => {
    const encoded = encodeURIComponent(slug)
    const [html, rsc, rest] = await Promise.all([
      body(`${baseUrl}/posts/${encoded}`),
      body(`${baseUrl}/posts/${encoded}?__rsc=vip-test`, { RSC: '1', Accept: 'text/x-component' }),
      body(`${baseUrl}/api/posts?where%5Bslug%5D%5Bequals%5D=${encoded}&depth=0`, { Accept: 'application/json' }),
    ])
    assert.equal(html.status, 200)
    assert.ok([200, 204].includes(rsc.status))
    assert.ok([200, 401, 403].includes(rest.status))
    for (const response of [html, rsc, rest]) {
      assert.equal(response.text.includes(marker), false)
    }
  })

  it('exposes the protected marker to an entitled VIP session', {
    skip: !slug || !marker || !cookie,
  }, async () => {
    const response = await body(`${baseUrl}/posts/${encodeURIComponent(slug)}`, { Cookie: cookie })
    assert.equal(response.status, 200)
    assert.equal(response.text.includes(marker), true)
  })
})