#Requires -Version 5.1
#Requires -RunAsAdministrator
$ErrorActionPreference = 'Stop'
$programFiles = $env:ProgramW6432
if (-not $programFiles) { $programFiles = $env:ProgramFiles }
$cli = Join-Path $programFiles 'WangYunLian CLI'
if ((Test-Path -LiteralPath $cli) -and ((Get-Item -LiteralPath $cli).Attributes -band [IO.FileAttributes]::ReparsePoint)) {
    throw '安装目录是链接，请核对真实目录后按手动教程处理。'
}
$agent = Join-Path $cli 'wangyunlian-agent.exe'
foreach ($name in @('WangYunLianAgent', 'OneVPNAgent')) {
    $service = Get-CimInstance Win32_Service -Filter "Name='$name'"
    if ($service -and $service.PathName.Trim('"') -eq $agent) {
        Stop-Service -Name $name -ErrorAction Stop
        (Get-Service $name).WaitForStatus('Stopped', [TimeSpan]::FromSeconds(30))
        & sc.exe delete $name
        if ($LASTEXITCODE -ne 0) { throw '服务未删除，请先处理错误再继续。' }
    } elseif ($service) {
        Write-Host ('保留其他安装提供的共享服务：' + $name)
    }
}
$rule = Get-NetFirewallRule -Name 'WangYunLianCLI-Agent-UDP' -ErrorAction SilentlyContinue
if ($rule) {
    $application = $rule | Get-NetFirewallApplicationFilter
    if ($application.Program -ne $agent) { throw '防火墙规则的程序路径不匹配，请人工核对。' }
    $rule | Remove-NetFirewallRule
}
$machinePath = [Environment]::GetEnvironmentVariable('Path', 'Machine')
$newPath = ($machinePath -split ';' | Where-Object { $_.TrimEnd('\') -ne $cli.TrimEnd('\') }) -join ';'
[Environment]::SetEnvironmentVariable('Path', $newPath, 'Machine')
foreach ($file in @('wangyunlian.exe', 'wangyunlian-agent.exe', 'wintun.dll', 'WINTUN-LICENSE.txt', 'uninstall.ps1')) {
    $path = Join-Path $cli $file
    if (Test-Path -LiteralPath $path) { Remove-Item -LiteralPath $path -ErrorAction Stop }
}
if ((Test-Path -LiteralPath $cli) -and -not (Get-ChildItem -LiteralPath $cli -Force)) { Remove-Item -LiteralPath $cli }
Write-Host '网云连命令行版已移除，账号、设备身份和配置已保留。请新开终端。'
Write-Host '不再使用的设备请在控制台逐网移除：https://wangyunlian.com/console/'