# uptime.ps1 — days since last boot.

$Url      = "YOUR_URL/uptime"
$BootTime = (Get-CimInstance -ClassName Win32_OperatingSystem).LastBootUpTime
$UptimeS  = [int]((Get-Date) - $BootTime).TotalSeconds
$Body = (@{
  hostname        = $env:COMPUTERNAME
  uptime_seconds  = $UptimeS
  uptime_days     = [math]::Round($UptimeS / 86400, 2)
  last_boot       = $BootTime.ToString("o")
}) | ConvertTo-Json -Compress

Invoke-RestMethod -Uri $Url -Method Post -Body $Body `
  -ContentType "application/json" -TimeoutSec 15 | Out-Null