# Auto-generated TAP adapter installation script
# Requires Administrator privileges

$ErrorActionPreference = "Stop"

# Check if running as Administrator
$currentPrincipal = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())
$isAdmin = $currentPrincipal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)

if (-not $isAdmin) {
    Write-Host "ERROR: This script must be run as Administrator!" -ForegroundColor Red
    Write-Host "Right-click PowerShell and select 'Run as Administrator'" -ForegroundColor Yellow
    exit 1
}

Write-Host "Installing additional TAP adapters..." -ForegroundColor Cyan

$tapctlPath = "C:\Program Files\OpenVPN\bin\tapctl.exe"

if (-not (Test-Path $tapctlPath)) {
    Write-Host "ERROR: OpenVPN not found at: $tapctlPath" -ForegroundColor Red
    Write-Host "Please install OpenVPN from: https://openvpn.net/community-downloads/" -ForegroundColor Yellow
    exit 1
}

$existingCount = 10
$targetCount = 10

for ($i = ($existingCount + 1); $i -le $targetCount; $i++) {
    Write-Host "Creating TAP adapter #$i..." -ForegroundColor Yellow
    
    try {
        & $tapctlPath create --name "OpenVPN-TAP-$i"
        
        if ($LASTEXITCODE -eq 0) {
            Write-Host "  ✓ Created OpenVPN-TAP-$i" -ForegroundColor Green
        } else {
            Write-Host "  ⚠ Failed to create adapter (exit code: $LASTEXITCODE)" -ForegroundColor Red
        }
    } catch {
        Write-Host "  ✗ Error: $_" -ForegroundColor Red
    }
    
    Start-Sleep -Milliseconds 500
}

Write-Host "`n✓ TAP adapter installation complete!" -ForegroundColor Green
Write-Host "Verifying installation..." -ForegroundColor Cyan

$finalCount = (Get-NetAdapter | Where-Object { $_.InterfaceDescription -like "*TAP*" }).Count
Write-Host "Total TAP adapters now: $finalCount" -ForegroundColor Cyan

exit 0