Remove-Variable * -ErrorAction Ignore
$PS1URL = 'https://bt-ban.pages.dev/run'

Write-Host

if (!(Test-Path $ENV:USERPROFILE\BT_BAN\UPDATE.vbs)) {
	Read-Host 请在安装 BT_BAN 脚本后执行，按 Enter 键结束...
	return
}

Write-Host "  请输入附加规则的地址"
Write-Host "  留空则清除用户附加规则"
Write-Host ""
Write-Host "  支持网络与本地文件"
Write-Host "  支持 IPv4 与 IPv6 共存"
Write-Host "  支持 CIDR 与 IP 范围格式"
$EXTURL = Read-Host `n规则地址

if ($EXTURL) {
	try {$EXTEXT = $(Invoke-RestMethod $EXTURL -TimeoutSec 30)
	} catch {
		Write-Host "`n  获取附加规则失败，请检查网络或本地文件地址"
		Read-Host `n操作失败，按 Enter 键结束...
		return
	}
	$EXLIST = [Regex]::Matches($EXTEXT,'((\d{1,3}\.){3}\d{1,3}((\/\b([1-9]|[12][0-9]|3[0-2])\b)|-)?){1,2}|([0-9a-f]{4}:([0-9a-f]{1,4}::?){1,6}(([0-9a-f]{1,4})|:)((\/\b([1-9]|[1-9][0-9]|1[01][0-9]|12[0-8])\b)|-)?){1,2}').Value
	if (!$EXLIST) {
		Write-Host "`n  解析附加规则为空，请确认 IP 格式"
		$EXFLAG = Read-Host `n输入 1 确认附加，留空按 Enter 键结束...
		if (!$EXFLAG) {return}
	}
}

$VBS = 'createobject("wscript.shell").run "CMD",0'
if ($EXTURL) {
	$CMD = "powershell -v 3 `"`"iex `"`"`"`"& {`$(irm $PS1URL -TimeoutSec 30)} $EXTURL`"`"`"`"`"`""
	Write-Host "`n  已附加用户规则"
} else {
	$CMD = "powershell -v 3 `"`"iex (irm $PS1URL -TimeoutSec 30)`"`""
	Write-Host "`n  已清除用户规则"
}
$VBS.Replace("CMD","$CMD") | Out-File -Encoding ASCII $ENV:USERPROFILE\BT_BAN\UPDATE.vbs

Remove-Item $ENV:USERPROFILE\BT_BAN\IPLIST.txt -Force -ErrorAction Ignore
Start-ScheduledTask BT_BAN_UPDATE
Read-Host `n操作完成，按 Enter 键结束...