param(
    [string]$Output = "dist"
)

$ErrorActionPreference = "Stop"
$root = Split-Path -Parent $MyInvocation.MyCommand.Path
python -c "import PyInstaller" 2>$null
if ($LASTEXITCODE -ne 0) {
    throw "未找到 PyInstaller。先执行: python -m pip install pyinstaller pyserial"
}

$outDir = Join-Path $root $Output
New-Item -ItemType Directory -Force -Path $outDir | Out-Null
python -m PyInstaller --noconfirm --clean --onefile --windowed `
    --name EG800FactoryHost `
    --distpath $outDir `
    --workpath (Join-Path $root ".pyinstaller-work") `
    --specpath (Join-Path $root ".pyinstaller-spec") `
    (Join-Path $root "factory_host.py")
Copy-Item (Join-Path $root "factory_host_config.json") $outDir -Force
Write-Host "输出: $(Join-Path $outDir 'EG800FactoryHost.exe')"