// Regression for odd canvas dimensions (#13): yuv420p MP4 export pads to even
// dimensions instead of failing with "height not divisible by 2".

const { app } = require('electron')
const fs = require('node:fs')
const os = require('node:os')
const path = require('node:path')
const { execFileSync } = require('node:child_process')
const { renderMp4Job } = require('../dist-electron/renderWorker.cjs')

const scene = {
  canvas: { width: 101, height: 101, background: '#111827' },
  duration: 0.5,
  assets: [{ id: 'rect', kind: 'rect', width: 45, height: 35, fill: '#f97316' }],
  layers: [
    {
      id: 'layer-rect',
      assetId: 'rect',
      visible: true,
      base: { x: 50, y: 50, scaleX: 1, scaleY: 1, rotation: 0, opacity: 1 },
      keyframes: [
        { time: 0, props: { x: 38 } },
        { time: 0.5, props: { x: 62 } },
      ],
    },
  ],
}

async function main() {
  const outPath = path.join(os.tmpdir(), 'ruwio-verify-odd-dims.mp4')
  fs.rmSync(outPath, { force: true })
  await renderMp4Job({
    jobId: 'verify-odd-dims',
    scene,
    options: { fps: 4, duration: 0.5, totalFrames: 3, crf: '28', preset: 'ultrafast' },
    outputPath: outPath,
    signal: new AbortController().signal,
    onProgress: () => {},
  })

  const probe = JSON.parse(execFileSync('ffprobe', [
    '-v', 'error',
    '-select_streams', 'v:0',
    '-show_entries', 'stream=codec_name,width,height,nb_read_frames',
    '-count_frames',
    '-of', 'json',
    outPath,
  ]).toString())
  const stream = probe.streams[0]
  const pass =
    stream.codec_name === 'h264' &&
    stream.width === 102 &&
    stream.height === 102 &&
    Number(stream.nb_read_frames) === 3
  console.log(`codec=${stream.codec_name} dimensions=${stream.width}x${stream.height} frames=${stream.nb_read_frames}`)
  console.log(pass ? 'RESULT: PASS' : 'RESULT: FAIL')
  app.exit(pass ? 0 : 1)
}

app.on('window-all-closed', () => {})
app.whenReady().then(() =>
  main().catch((err) => {
    console.error('HARNESS ERROR:', err)
    app.exit(2)
  }),
)