$ErrorActionPreference = 'Stop'
$project = Split-Path -Parent $PSScriptRoot
Start-Transcript -Path (Join-Path $project 'runtime/firmware-progress-transfer.log') -Force | Out-Null
$binary = Join-Path $project 'build/linux-arm64/tera-clone-demo-web-firmware-progress'
$hash = (Get-FileHash -LiteralPath $binary -Algorithm SHA256).Hash.ToLowerInvariant()
$script = @'
#!/bin/sh
set -eu
stage=/tmp/tera-firmware-progress-20260908
mkdir -p "$stage"
wget -q -O "$stage/web" http://192.168.0.100:9001/web
echo '__HASH__  '"$stage/web" | sha256sum -c -
backup=/userdata/tera-backups/firmware-progress-$(date +%Y%m%d-%H%M%S)
mkdir -p "$backup"
cp -p /usr/bin/tera-clone-demo-web "$backup/tera-clone-demo-web"
cp "$stage/web" /usr/bin/tera-clone-demo-web.next
chmod 0755 /usr/bin/tera-clone-demo-web.next
/etc/init.d/S61tera-clone-demo-web stop
mv /usr/bin/tera-clone-demo-web.next /usr/bin/tera-clone-demo-web
if ! /etc/init.d/S61tera-clone-demo-web start; then
  cp "$backup/tera-clone-demo-web" /usr/bin/tera-clone-demo-web
  /etc/init.d/S61tera-clone-demo-web start
  exit 1
fi
sleep 2
if ! wget -q -O "$stage/status" http://127.0.0.1:8083/login/backend-status; then
  /etc/init.d/S61tera-clone-demo-web stop
  cp "$backup/tera-clone-demo-web" /usr/bin/tera-clone-demo-web
  /etc/init.d/S61tera-clone-demo-web start
  exit 1
fi
cat "$stage/status"
sha256sum /usr/bin/tera-clone-demo-web
echo "BACKUP=$backup"
echo FIRMWARE_PROGRESS_DEPLOY_OK
'@
$script = $script.Replace('__HASH__', $hash).Replace("`r`n", "`n") + "`n"
$rule = 'TERA-firmware-progress-' + [guid]::NewGuid().ToString('N')
$listener = New-Object System.Net.HttpListener
$listener.Prefixes.Add('http://192.168.0.100:9001/')
$serial = New-Object System.IO.Ports.SerialPort 'COM5',115200,'None',8,'One'
try {
  New-NetFirewallRule -DisplayName $rule -Direction Inbound -Action Allow -Protocol TCP -LocalPort 9001 -RemoteAddress 192.168.0.223 | Out-Null
  $listener.Start()
  $serial.Open()
  $serial.WriteLine('wget -q -O /tmp/deploy-firmware-progress.sh http://192.168.0.100:9001/deploy.sh && sh /tmp/deploy-firmware-progress.sh')
  $deadline = [DateTime]::UtcNow.AddSeconds(90)
  $output = ''
  $pending = $listener.GetContextAsync()
  while ([DateTime]::UtcNow -lt $deadline) {
    if ($pending.IsCompleted) {
      $context = $pending.GetAwaiter().GetResult()
      if ($context.Request.RemoteEndPoint.Address.ToString() -ne '192.168.0.223') {
        $context.Response.StatusCode = 403
        $context.Response.Close()
      } else {
        $bytes = $null
        switch ($context.Request.Url.AbsolutePath) {
          '/deploy.sh' { $bytes = [Text.Encoding]::UTF8.GetBytes($script) }
          '/web' { $bytes = [IO.File]::ReadAllBytes($binary) }
          default { $context.Response.StatusCode = 404 }
        }
        if ($null -ne $bytes) {
          $context.Response.ContentLength64 = $bytes.Length
          $context.Response.OutputStream.Write($bytes, 0, $bytes.Length)
        }
        $context.Response.Close()
      }
      $pending = $listener.GetContextAsync()
    }
    $chunk = $serial.ReadExisting()
    if ($chunk) { $output += $chunk; Write-Host -NoNewline $chunk }
    if ($output.Contains('FIRMWARE_PROGRESS_DEPLOY_OK')) { break }
    Start-Sleep -Milliseconds 100
  }
  if (-not $output.Contains('FIRMWARE_PROGRESS_DEPLOY_OK')) { throw 'Deployment did not report success; inspect device console.' }
  if (-not $output.Contains($hash)) { throw 'Deployed hash missing from console output.' }
  $response = Invoke-WebRequest -UseBasicParsing 'http://192.168.0.223:8083/static/js/firmware-progress.js?v=20260908-firmware-progress-1'
  if (-not $response.Content.Contains('펌웨어 업데이트 완료') -or -not $response.Content.Contains('/api/v1/firmware/status')) { throw 'Device is not serving the updated script.' }
  Write-Output "VERIFIED deployed SHA256=$hash and firmware progress JavaScript"
} finally {
  if ($serial.IsOpen) { $serial.Close() }
  $serial.Dispose()
  $listener.Close()
  Remove-NetFirewallRule -DisplayName $rule -ErrorAction SilentlyContinue
  Stop-Transcript | Out-Null
}