param(
  [switch]$NoPause
)

$ErrorActionPreference = "Stop"

# Standalone pairing entry point. The download page exposes this file by
# itself, so make it self-contained instead of assuming that Python modules
# were copied beside it. Secrets and the one-time code stay local.
$root = Split-Path -Parent $MyInvocation.MyCommand.Path
$bundleUrl = "https://geo.rxbp.top/downloads/geo-windows-h3-worker-0.4.2-source.zip"
$data = Join-Path $env:ProgramData "GEO\WindowsWorker"
$log = Join-Path $data "pair.log"
New-Item -ItemType Directory -Force -Path $data | Out-Null

function Write-PairStatus {
  param(
    [string]$Message,
    [ConsoleColor]$Color = [ConsoleColor]::Gray
  )
  $line = "[{0}] {1}" -f (Get-Date -Format "yyyy-MM-dd HH:mm:ss"), $Message
  Write-Host $line -ForegroundColor $Color
  try { Add-Content -LiteralPath $log -Value $line -Encoding UTF8 } catch { }
}

try {
if (-not (Test-Path (Join-Path $data "windows_h3_pair.py"))) {
  Write-PairStatus "正在准备本地配对组件..." Cyan
  $zip = Join-Path $env:TEMP "geo-h3-worker-0.4.2-pair.zip"
  Invoke-WebRequest -UseBasicParsing -Uri $bundleUrl -OutFile $zip
  Expand-Archive -Path $zip -DestinationPath $data -Force
  $bundle = Get-ChildItem $data -Directory | Where-Object {
    Test-Path (Join-Path $_.FullName "windows_h3_pair.py")
  } | Sort-Object LastWriteTime -Descending | Select-Object -First 1
  if (-not $bundle) { throw "H3 Worker 源码包解压失败" }
  Copy-Item (Join-Path $bundle.FullName "*.py") $data -Force
}
$root = $data
$code = Read-Host "请输入 GEO 后台的一次性配对码"
if ([string]::IsNullOrWhiteSpace($code)) { throw "未输入配对码，已取消。" }
$python = (Get-Command python.exe -ErrorAction Stop).Source
$pair = Join-Path $root "windows_h3_pair.py"
Write-PairStatus "正在向 GEO 注册本机 Worker（配对码不会写入日志）..." Cyan
& $python $pair --pairing-code $code --version "0.4.2"
if ($LASTEXITCODE -ne 0) { throw "配对失败，退出码 $LASTEXITCODE" }
Write-PairStatus "配对成功。现在运行 start_windows_h3_worker.cmd。" Green
} catch {
  Write-PairStatus ("配对失败：" + $_.Exception.Message) Red
  Write-PairStatus ("非敏感诊断日志：" + $log) Yellow
  if (-not $NoPause) { Read-Host "按回车关闭窗口" }
  exit 1
}
if (-not $NoPause) { Read-Host "配对完成。按回车关闭窗口" }
exit 0