# Quick VPN connectivity test
# Run this after connecting to VPN

Write-Host "Quick VPN Test" -ForegroundColor Cyan
Write-Host "==============" -ForegroundColor Cyan
Write-Host ""

# Test 1: Check VPN is connected
Write-Host "[1] Checking VPN connection..." -ForegroundColor Yellow
$connected = rasdial | Select-String "PST-NW-VPN"

if ($connected) {
    Write-Host "[OK] VPN is connected" -ForegroundColor Green
}
else {
    Write-Host "[ERROR] VPN not connected!" -ForegroundColor Red
    Write-Host "Run: rasdial `"PST-NW-VPN`" pst-admin `"24Hearts$`"" -ForegroundColor Yellow
    exit 1
}

# Test 2: DNS server
Write-Host "`n[2] Testing DNS server (192.168.0.2)..." -ForegroundColor Yellow
$dns = Test-Connection -ComputerName 192.168.0.2 -Count 2 -Quiet

if ($dns) {
    Write-Host "[OK] DNS server reachable" -ForegroundColor Green
}
else {
    Write-Host "[FAIL] DNS server not reachable" -ForegroundColor Red
}

# Test 3: Router
Write-Host "`n[3] Testing router (192.168.0.10)..." -ForegroundColor Yellow
$router = Test-Connection -ComputerName 192.168.0.10 -Count 2 -Quiet

if ($router) {
    Write-Host "[OK] Router reachable" -ForegroundColor Green
}
else {
    Write-Host "[FAIL] Router not reachable" -ForegroundColor Red
}

# Test 4: Check for route
Write-Host "`n[4] Checking routing table..." -ForegroundColor Yellow
$route = route print | Select-String "192.168.0.0"

if ($route) {
    Write-Host "[OK] Route to 192.168.0.0 exists" -ForegroundColor Green
    Write-Host $route -ForegroundColor Gray
}
else {
    Write-Host "[INFO] No explicit route to 192.168.0.0 found" -ForegroundColor Yellow
}

# Summary
Write-Host "`n=== SUMMARY ===" -ForegroundColor Cyan

if ($dns -and $router) {
    Write-Host "[SUCCESS] VPN is fully functional!" -ForegroundColor Green
    Write-Host "You can access the remote network at 192.168.0.x" -ForegroundColor Green
}
elseif ($dns -or $router) {
    Write-Host "[PARTIAL] VPN connected but some hosts unreachable" -ForegroundColor Yellow
    if (-not $route) {
        Write-Host "Try adding route manually:" -ForegroundColor Yellow
        Write-Host '  $vpn = Get-NetAdapter | Where-Object { $_.Status -eq "Up" -and $_.InterfaceDescription -like "*WAN*" }' -ForegroundColor Gray
        Write-Host '  route add 192.168.0.0 mask 255.255.255.0 0.0.0.0 if $($vpn.InterfaceIndex) metric 1' -ForegroundColor Gray
    }
}
else {
    Write-Host "[PROBLEM] Remote network not reachable" -ForegroundColor Red
    Write-Host "Possible issues:" -ForegroundColor Yellow
    Write-Host "  1. Route not configured (most common with UniFi L2TP)" -ForegroundColor Gray
    Write-Host "  2. Remote firewall blocking ICMP" -ForegroundColor Gray
    Write-Host "  3. VPN server not routing traffic" -ForegroundColor Gray
    Write-Host ""
    Write-Host "Next steps:" -ForegroundColor Cyan
    Write-Host "  1. Run Diagnose-VPN-Interface.ps1 for detailed info" -ForegroundColor Gray
    Write-Host "  2. Try manually adding route (see above)" -ForegroundColor Gray
    Write-Host "  3. Check UniFi controller VPN settings" -ForegroundColor Gray
}

Write-Host ""