// The Files player, end to end in Chromium against a running hub. Playwright is borrowed from
// the wedding site.
//
//   BASE=http://10.0.0.234:8100 USER=… PASS=… MACHINE=hub FILE=/path/to/video node scripts/e2e-player.mjs
//
// Opens FILE in the Files viewer on MACHINE ("hub" for the hub itself), plays it on Auto,
// checks the 360 view if it is one, seeks into the middle, picks the lowest quality, tries
// Original, and reads the menu's "Made on …". Changes nothing. DEVICE="Pixel 7" for a phone;
// TRACE=1 prints every piece asked for. Screenshots land in $SHOTS (default /tmp/hamlab-shots).
import { createRequire } from 'node:module'
import { mkdirSync } from 'node:fs'
const require = createRequire(import.meta.url)
const { chromium, devices } = require('/home/core/projects/wedding-website/node_modules/playwright')

const { BASE = 'http://10.0.0.234:8100', USER, PASS, MACHINE = 'hub', FILE, DEVICE, TRACE } = process.env
const SHOTS = process.env.SHOTS ?? '/tmp/hamlab-shots'
if (!USER || !PASS || !FILE) { console.error('USER, PASS and FILE are required'); process.exit(2) }
mkdirSync(SHOTS, { recursive: true })

let failed = 0
const check = (name, ok, extra = '') => { console.log(`${ok ? 'ok  ' : 'FAIL'} ${name}${extra ? ' — ' + extra : ''}`); if (!ok) failed++ }
const browser = await chromium.launch({ args: ['--autoplay-policy=no-user-gesture-required', '--use-gl=angle', '--use-angle=swiftshader', '--enable-unsafe-swiftshader'] })
const ctx = await browser.newContext({ ...(DEVICE ? devices[DEVICE] : { viewport: { width: 1280, height: 860 } }), colorScheme: 'dark' })
check('signs in', (await ctx.request.post(BASE + '/api/login', { data: { username: USER, password: PASS } })).ok())
const page = await ctx.newPage()
const errors = []
page.on('pageerror', (e) => errors.push(String(e)))
page.on('console', (m) => { if (m.type() === 'error' && !/401|404|favicon/.test(m.text())) errors.push(m.text()) })
const T0 = Date.now(), trace = []
const short = (u) => u.replace(/.*\/files\/play\/[0-9a-f]+\//, '')
page.on('request', (r) => { if (/\/files\/play\/.*\.ts$/.test(r.url())) trace.push(`${((Date.now() - T0) / 1000).toFixed(1)} ask ${short(r.url())}`) })
page.on('requestfinished', (r) => { if (/\/files\/play\/.*\.ts$/.test(r.url())) trace.push(`${((Date.now() - T0) / 1000).toFixed(1)} got ${short(r.url())}`) })
const mark = (m) => trace.push(`${((Date.now() - T0) / 1000).toFixed(1)} -- ${m}`)

const dir = FILE.slice(0, FILE.lastIndexOf('/')) || '/', name = FILE.slice(FILE.lastIndexOf('/') + 1)
await page.goto(`${BASE}/#/${MACHINE}/files/${encodeURIComponent(dir)}`)
await page.locator('.file-row', { hasText: name }).first().click()
await page.locator('.vp').waitFor()

const vstate = () => page.evaluate(() => { const v = document.querySelector('.vp video'); return v ? { t: v.currentTime, paused: v.paused, w: v.videoWidth, h: v.videoHeight, rs: v.readyState, d: v.duration } : null })
async function playingPast(t, ms = 60000) {
  const t0 = Date.now()
  while (Date.now() - t0 < ms) {
    const s = await vstate()
    if (s && s.t > t && !s.paused && s.rs >= 3) return Date.now() - t0
    await page.waitForTimeout(200)
  }
  return -1
}
async function controls() {
  if (await page.locator('.vp.bare').count()) {
    const b = await page.locator('.vp').boundingBox()
    if (DEVICE) await page.touchscreen.tap(b.x + 40, b.y + 40)
    else await page.mouse.move(b.x + b.width / 2 + Math.random() * 40, b.y + b.height / 3)
    await page.waitForTimeout(300)
  }
}

let took = await playingPast(1)
check('plays on Auto', took >= 0, `${((Date.now() - T0) / 1000).toFixed(1)} s from opening`)
await page.waitForTimeout(6000)
let s = await vstate()
check('Auto settles on a quality', s?.w > 0, `${s?.w}×${s?.h}; “${await page.locator('.vp-q span').textContent()}”`)
if (await page.locator('canvas.vp-sphere').count()) {
  const px = await page.evaluate(() => { const c = document.querySelector('canvas.vp-sphere'); const g = c.getContext('webgl'); const d = new Uint8Array(64); g.readPixels(c.width >> 1, c.height >> 1, 4, 4, g.RGBA, g.UNSIGNED_BYTE, d); return d.reduce((a, b) => a + b, 0) })
  check('the 360° view draws', px > 0)
}
await page.screenshot({ path: `${SHOTS}/h1-auto.png` })

// The 5-second buttons: back and on, the ball with them.
{
  await controls()
  const t0 = (await vstate()).t
  await page.getByRole('button', { name: 'On 5 seconds' }).click()
  const t1 = (await vstate()).t
  await page.getByRole('button', { name: 'Back 5 seconds' }).click()
  await page.getByRole('button', { name: 'Back 5 seconds' }).click()
  const t2 = (await vstate()).t
  const ball = await page.evaluate(() => Number(document.querySelector('.vp input[type=range]').value))
  check('+5 and −5 buttons', t1 - t0 > 4 && t1 - t0 < 6.5 && t1 - t2 > 9 && t1 - t2 < 11 && Math.abs(ball - t2) < 1, `${t0.toFixed(1)} → ${t1.toFixed(1)} → ${t2.toFixed(1)}, ball ${ball.toFixed(1)}`)
}

const mid = Math.floor(s.d / 2)
mark('seek')
await page.evaluate((m) => { document.querySelector('.vp video').currentTime = m }, mid)
took = await playingPast(mid + 0.5)
check('a seek into the middle plays again', took >= 0, `${(took / 1000).toFixed(1)} s`)

await controls()
await page.locator('.vp-q').click()
await page.waitForTimeout(2500) // the menu asks the machine what it is doing
const items = page.locator('.vp-menu button')
const n = await items.count()
check('the menu lists Auto, Original and the qualities', n >= 3, (await items.allTextContents()).join(' | '))
const foot = await page.locator('.vp-menu-f').textContent()
check('it says where it is made', /Made on \S+/.test(foot), foot)
await page.screenshot({ path: `${SHOTS}/h2-menu.png` })
const lowLabel = await items.nth(n - 1).locator('span').nth(1).textContent()
mark('pick ' + lowLabel)
const before = (await vstate()).t
const t0 = Date.now()
await items.nth(n - 1).click()
let ok = false
for (let i = 0; i < 200 && !ok; i++) { await page.waitForTimeout(200); s = await vstate(); ok = s.t > before + 1 && !s.paused && (await page.locator('.vp-q span').textContent()) === lowLabel }
check(`picking ${lowLabel} switches to it`, ok, `${s.w}×${s.h} after ${((Date.now() - t0) / 1000).toFixed(1)} s`)

await controls()
await page.locator('.vp-q').click()
await page.locator('.vp-menu button', { hasText: 'Original' }).click()
await page.waitForTimeout(4000)
const label = await page.locator('.vp-q span').textContent()
const note = await page.locator('.vp-note').count() ? await page.locator('.vp-note').textContent() : ''
check('Original plays, or falls back to Auto and says so', label === 'Original' || (/^Auto/.test(label) && /can’t play/.test(note)), `${label}${note ? ' — ' + note : ''}`)
check('still playing', (await playingPast((await vstate()).t + 0.5)) >= 0)
await page.screenshot({ path: `${SHOTS}/h3-after-original.png` })
check('no page errors', errors.length === 0, errors.slice(0, 3).join(' / '))
if (TRACE) console.log(trace.join('\n'))
await browser.close()
console.log(failed ? `${failed} failed` : 'all ok')
process.exit(failed ? 1 : 0)