# multi-file.ps1 — report freshness of several files + drive free pct.

$Url   = "YOUR_URL/multi-file"
$Files = @{
  report = "C:\Reports\daily.csv"
  backup = "C:\Backups\latest.bak"
  log    = "C:\Logs\app.log"
}

$Stats = @{}
foreach ($name in $Files.Keys) {
  $path = $Files[$name]
  if (Test-Path -LiteralPath $path) {
    $age = [int]([DateTime]::UtcNow - (Get-Item -LiteralPath $path).LastWriteTimeUtc).TotalSeconds
    $Stats[$name] = @{ exists = $true; age_seconds = $age }
  } else {
    $Stats[$name] = @{ exists = $false; age_seconds = -1 }
  }
}

# Drive free %
$Drive = Get-PSDrive -Name C
$FreePct = if ($Drive.Used + $Drive.Free -gt 0) {
  [math]::Round(($Drive.Free / ($Drive.Used + $Drive.Free)) * 100, 1)
} else { 0 }

$Body = (@{
  hostname  = $env:COMPUTERNAME
  files     = $Stats
  drive_c   = @{ free_pct = $FreePct; free_gb = [math]::Round($Drive.Free / 1GB, 2) }
}) | ConvertTo-Json -Compress -Depth 6

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