param(
  [string]$SourceDir = "e:\Zhan\.data",
  [string]$OutputDir = "e:\Zhan\backups"
)

if (!(Test-Path $SourceDir)) {
  Write-Error "Source data directory not found: $SourceDir"
  exit 1
}

New-Item -ItemType Directory -Force -Path $OutputDir | Out-Null

$timestamp = Get-Date -Format "yyyyMMdd_HHmmss"
$archivePath = Join-Path $OutputDir ("mvp_cc_data_" + $timestamp + ".zip")

Compress-Archive -Path (Join-Path $SourceDir "*") -DestinationPath $archivePath -Force

Write-Host "Backup created:" $archivePath