$BASE_URL = "https://nameserver:9877"

add-type @"
using System.Net;
using System.Security.Cryptography.X509Certificates;
public class TrustAllCertsPolicy : ICertificatePolicy {
    public bool CheckValidationResult(ServicePoint srvPoint, X509Certificate cert, WebRequest req, int certProblem) { return true; }
}
"@
[System.Net.ServicePointManager]::CertificatePolicy = New-Object TrustAllCertsPolicy
[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12

$username = Read-Host "Enter username"
$password = Read-Host "Enter password" -AsSecureString
$BSTR = [System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($password)
$plainPassword = [System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR)

if (-not $username -or -not $plainPassword) {
    Write-Host "No username or password provided" -ForegroundColor Red
    exit 1
}

$authUrl = "$BASE_URL/idp/token"
$body = "username=$([uri]::EscapeDataString($username))&password=$([uri]::EscapeDataString($plainPassword))&grant_type=password"

try {
    $authResponse = Invoke-RestMethod -Uri $authUrl -Method Post -Body $body -ContentType "application/x-www-form-urlencoded"
} catch {
    Write-Host "Auth error: $_" -ForegroundColor Red
    exit 1
}

if (-not $authResponse.token_type -or -not $authResponse.access_token) {
    Write-Host "Error: no token in response" -ForegroundColor Red
    exit 1
}

$headers = @{
    "Content-Type"  = "application/json"
    "Authorization" = "$($authResponse.token_type) $($authResponse.access_token)"
}

try {
    Write-Host "Collecting agents..."
    $agentsUrl = "$BASE_URL/api/resource_manager/v1/agents"
    $response = Invoke-RestMethod -Uri $agentsUrl -Method Get -Headers $headers
} catch {
    if ($_.Exception.Response.StatusCode.value__ -eq 401) {
        Write-Host "Error 401: token invalid or expired." -ForegroundColor Red
    } else {
        Write-Host "Error: $_" -ForegroundColor Red
    }
    exit 1
}

$agents = $response.items | Where-Object { $_.type -eq "agent" } | ForEach-Object {
    $status = if ($_.communication.online) { "Online" } else { "Offline" }
    [PSCustomObject]@{
        Name   = $_.name
        Type   = $_.type
        Status = $status
        OS     = $_.details.os.name
        IP     = ($_.details.ipAddresses -join ", ")
    }
}

Write-Host ""
Write-Host "Total agents found: $($agents.Count)" -ForegroundColor Green
Write-Host ""

$agents | Format-Table -Property Name, Type, Status, OS, IP -AutoSize