// Public share links, driven through a real browser: the owner creates one in
// the Share dialog, and a visitor with NO account opens it.
//   node test/share-link.js
// Its own file rather than a block inside browser.js: it has to clear the
// session cookie to become a stranger, and that is a rude thing to do in the
// middle of a suite that stays signed in throughout.
import { spawn } from 'node:child_process'
import fs from 'node:fs'
import path from 'node:path'
import assert from 'node:assert'
import { fileURLToPath } from 'node:url'
import { chromium } from 'playwright-core'

const root = path.join(path.dirname(fileURLToPath(import.meta.url)), '..')
const PORT = 3311
const BASE = `http://localhost:${PORT}`
const DATA = path.join(root, '.share-link-data')
const SHOT = process.env.SHOT_DIR || '/tmp/claude-1000/ui-shots'

fs.rmSync(DATA, { recursive: true, force: true })
fs.mkdirSync(SHOT, { recursive: true })

const server = spawn('node', ['server/index.js'], {
  cwd: root,
  // HOST is what the server puts in the prompt's curl examples; the link the
  // dialog shows is built from the origin the browser is actually on
  env: { ...process.env, PORT: String(PORT), DATA_DIR: DATA, OAUTH_CLIENT_ID: '', OAUTH_CLIENT_SECRET: '', HOST: BASE },
  stdio: ['ignore', 'pipe', 'pipe'],
})
server.stderr.on('data', d => process.stderr.write('[server] ' + d))

const wait = ms => new Promise(r => setTimeout(r, ms))
async function waitFor(fn, what, ms = 15000) {
  const t0 = Date.now()
  while (Date.now() - t0 < ms) {
    try {
      if (await fn()) return
    } catch {}
    await wait(150)
  }
  throw new Error('timeout: ' + what)
}

async function main() {
  await waitFor(async () => (await fetch(`${BASE}/healthz`)).ok, 'server')
  const browser = await chromium.launch({
    headless: true,
    executablePath: process.env.PW_EXECUTABLE || undefined,
    args: ['--no-sandbox', '--disable-gpu', '--disable-dev-shm-usage', '--single-process'],
  })
  const context = await browser.newContext({ viewport: { width: 1440, height: 900 } })
  const page = await context.newPage()
  const consoleErrors = []
  page.on('pageerror', e => consoleErrors.push('PAGEERROR: ' + e.message))
  page.on('console', m => {
    if (m.type() === 'error' && !m.text().includes('fonts.g')) consoleErrors.push(m.text())
  })

  // --- the owner writes something and publishes a link ---
  await page.goto(`${BASE}/auth/dev?u=alice&next=/`)
  const doc = await (await page.request.post(`${BASE}/api/docs`, { data: { title: 'Link Shared' } })).json()
  await page.goto(`${BASE}/d/${doc.id}`, { waitUntil: 'networkidle' })
  await page.waitForSelector('.tiptap')
  await page.click('.tiptap h1')
  await page.keyboard.press('End')
  await page.keyboard.press('Enter')
  await page.keyboard.type('Readable by anyone holding the link.')
  await wait(1200)

  await page.click('#share-btn')
  await page.waitForSelector('#share-pop:not(.hidden)')
  await page.waitForSelector('#link-share:not(.hidden)')
  await page.click('#link-toggle')
  await page.waitForSelector('#link-row:not(.hidden)')
  await waitFor(async () => /\/p\//.test(await page.inputValue('#link-url')), 'the link appears in the dialog')
  const link = await page.inputValue('#link-url')
  assert.ok(link.startsWith(BASE), 'the link uses the origin the browser is on: ' + link)
  assert.ok(/\/p\/[A-Za-z0-9_-]{32,}$/.test(link), 'long unguessable path: ' + link)
  await page.screenshot({ path: path.join(SHOT, 'share-dialog.png') })
  console.log('✓ owner creates a link from the Share dialog')

  // --- a stranger: no session cookie, no account ---
  await context.clearCookies()
  await page.goto(link, { waitUntil: 'networkidle' })
  await page.waitForSelector('.tiptap')
  await waitFor(async () => (await page.textContent('.tiptap')).includes('Readable by anyone holding the link'), 'a visitor reads the document')
  const visitor = await page.evaluate(() => ({
    editable: window.__editor?.isEditable,
    signin: !document.getElementById('signin')?.classList.contains('hidden'),
    share: getComputedStyle(document.getElementById('share-btn')).display,
    agents: getComputedStyle(document.getElementById('agents-btn')).display,
    presence: getComputedStyle(document.getElementById('presence')).display,
    whoami: document.getElementById('whoami')?.textContent || '',
  }))
  assert.equal(visitor.editable, false, 'the document is not editable for a visitor')
  assert.equal(visitor.signin, false, 'no sign-in wall for a link visitor')
  assert.equal(visitor.share, 'none', 'no Share button')
  assert.equal(visitor.agents, 'none', 'no Agents button')
  assert.equal(visitor.presence, 'none', 'the presence row is not rendered for a stranger (hidden, not withheld — see app.css)')
  assert.match(visitor.whoami, /Read-only/, 'the header says what this is: ' + visitor.whoami)
  await page.screenshot({ path: path.join(SHOT, 'share-visitor.png') })
  console.log('✓ visitor reads it: no account, no sign-in wall, no write UI')

  // typing must change nothing — the socket refuses writes from a link
  await page.click('.tiptap p').catch(() => {})
  await page.keyboard.type('VANDALISM')
  await wait(1500)
  await page.goto(`${BASE}/auth/dev?u=alice&next=/d/${doc.id}`, { waitUntil: 'networkidle' })
  const after = await (await page.request.get(`${BASE}/api/docs/${doc.id}`)).json()
  assert.ok(!after.markdown.includes('VANDALISM'), 'a visitor cannot write: ' + after.markdown.slice(0, 90))
  console.log('✓ a visitor typing into it changes nothing')

  // checked here: the revoke step below visits a dead link on purpose, and a
  // 404 in the console is the correct outcome of that, not a defect
  assert.deepEqual(consoleErrors, [], 'no console errors: ' + JSON.stringify(consoleErrors))
  console.log('✓ zero console errors')

  // --- turning it off closes the door on the link already handed out ---
  await page.waitForSelector('.tiptap')
  await page.click('#share-btn')
  await page.waitForSelector('#link-share:not(.hidden)')
  await page.click('#link-toggle')
  await waitFor(async () => (await page.textContent('#link-hint')).startsWith('Off'), 'dialog shows the link is off')
  await context.clearCookies()
  const revoked = await page.goto(link, { waitUntil: 'domcontentloaded' })
  assert.equal(revoked.status(), 404, 'a revoked link is a 404')
  const stillDead = await page.evaluate(() => !document.getElementById('signin')?.classList.contains('hidden'))
  assert.ok(stillDead, 'and it shows the sign-in shell, not the document')
  console.log('✓ revoking kills a link that was already handed out')

  await browser.close()
  server.kill()
  fs.rmSync(DATA, { recursive: true, force: true })
  console.log('\nSHARE LINK TEST PASSED')
  process.exit(0)
}

main().catch(async err => {
  console.error('\nSHARE LINK TEST FAILED:', err.message)
  server.kill()
  process.exit(1)
})