param(
    [string]$ServerUrl = "http://192.168.178.24:8080"
)

$ComputerName = $env:COMPUTERNAME
$User = [System.Security.Principal.WindowsIdentity]::GetCurrent().Name
$IPAddress = (Get-NetIPAddress -AddressFamily IPv4 -InterfaceAlias "Ethernet*", "Wi-Fi*" | Select-Object -First 1).IPAddress
$MacAddress = (Get-NetAdapter | Where-Object { $_.Status -eq 'Up' } | Select-Object -First 1).MacAddress
$LastSeen = Get-Date -Format "yyyy-MM-dd HH:mm:ss"

# Get installed software from registry (32 and 64 bit)
$Software = @()
$RegistryPaths = @(
    "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*",
    "HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*",
    "HKCU:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*"
)

foreach ($Path in $RegistryPaths) {
    Get-ItemProperty $Path -ErrorAction SilentlyContinue | Where-Object { $_.DisplayName -ne $null } | ForEach-Object {
        $Software += @{
            Name = $_.DisplayName
            Version = $_.DisplayVersion
        }
    }
}

# Unique list and sort
$Software = $Software | Sort-Object Name -Unique

$Inventory = @{
    ComputerName = $ComputerName
    User = $User
    IPAddress = $IPAddress
    MacAddress = $MacAddress
    LastSeen = $LastSeen
    Software = $Software
}

$Json = $Inventory | ConvertTo-Json -Depth 10

try {
    Invoke-RestMethod -Uri "$ServerUrl/inventory" -Method Post -Body $Json -ContentType "application/json"
    Write-Host "Inventory sent successfully to $ServerUrl"
} catch {
    Write-Error "Failed to send inventory: $_"
}