# uninstall.ps1 - CommModifyKit 驱动 + CommModifyKit.dll 卸载脚本
# 必须以管理员权限运行
#Requires -Version 5.1
#Requires -RunAsAdministrator

$ErrorActionPreference = 'Continue'

Write-Host '=== CommModifyKit 卸载脚本 ===' -ForegroundColor Cyan

# ============================================================================
# 1. 停止并删除驱动服务
# ============================================================================
$ServiceName = 'CommModifyKit'
$ExistingService = Get-Service -Name $ServiceName -ErrorAction SilentlyContinue

if ($ExistingService) {
    Write-Host "停止服务 $ServiceName ..."
    if ($ExistingService.Status -eq 'Running') {
        sc.exe stop $ServiceName | Out-Null
        Start-Sleep -Seconds 2
    }
    Write-Host "删除服务 $ServiceName ..."
    sc.exe delete $ServiceName | Out-Null
    Write-Host "  完成" -ForegroundColor Green
} else {
    Write-Host "服务 $ServiceName 不存在，跳过"
}

# ============================================================================
# 2. 删除驱动文件
# ============================================================================
$TargetDriverSys = Join-Path $env:windir "System32\drivers\CommModifyKit.sys"
$TargetDriverInf = Join-Path $env:windir "System32\drivers\CommModifyKit.inf"

if (Test-Path $TargetDriverSys) {
    Write-Host "删除 $TargetDriverSys ..."
    Remove-Item -Force $TargetDriverSys
    Write-Host "  完成" -ForegroundColor Green
}
if (Test-Path $TargetDriverInf) {
    Write-Host "删除 $TargetDriverInf ..."
    Remove-Item -Force $TargetDriverInf
    Write-Host "  完成" -ForegroundColor Green
}

# ============================================================================
# 3. 通过 pnputil 移除驱动包（如果存在）
# ============================================================================
Write-Host ""
Write-Host "尝试通过 pnputil 移除驱动包..."
try {
    $Drivers = pnputil /enum-drivers | Select-String 'CommModifyKit' -Context 1,0
    if ($Drivers) {
        $Drivers | ForEach-Object {
            Write-Host "  发现: $_"
        }
        Write-Warning "请手动执行 pnputil /delete-driver oem*.inf /uninstall /force 移除"
    } else {
        Write-Host "  无已安装的驱动包" -ForegroundColor Green
    }
} catch {
    Write-Warning "pnputil 检查失败: $_"
}

# ============================================================================
# 4. 关闭测试签名（可选，谨慎执行）
# ============================================================================
Write-Host ""
Write-Host "测试签名状态检查..."
$TestSigning = bcdedit /enum | Select-String 'testsigning.*yes' -Quiet
if ($TestSigning) {
    Write-Warning "测试签名当前已启用"
    Write-Host "如需关闭: bcdedit /set testsigning off（重启生效）"
}

Write-Host ""
Write-Host '=== 卸载完成 ===' -ForegroundColor Cyan
Write-Host "如需删除 DLL，请手动删除 CommModifyService 目录下的 CommModifyKit.dll"