Get-RegionIndex.ps1

function Get-RegionIndex
{
  <#
      .SYNOPSIS
      Retrieves the index of available regions in World of Warcraft.
 
      .DESCRIPTION
      The function fetches the region index from the World of Warcraft API. An optional switch is available to return the raw JSON response.
 
      .PARAMETER Raw
      Optional switch to return the raw JSON response from the API.
 
      .EXAMPLE
      Get-RegionIndex
      Retrieves the list of available regions in a formatted manner.
 
      .EXAMPLE
      Get-RegionIndex -Raw
      Retrieves the raw JSON response of the available regions.
 
      .NOTES
      This function requires the World of Warcraft API to be accessible and valid credentials to be configured in the global variables.
   
      .LINK
      https://develop.battle.net/documentation/world-of-warcraft/game-data-apis
  #>


  param(
    [Parameter(Position = 0, HelpMessage = 'Return raw JSON data.')]
    [Switch]$Raw
  )

  if(Test-WoWApiConnection)
  {
    $URL = '{0}data/wow/region/index?namespace=dynamic-{1}&locale={2}' -f $Global:WoWBaseURL, $Global:WoWRegion, $Global:WoWLocalization

    try
    {
      $result = Invoke-RestMethod -Uri $URL -Headers $Global:WoWApiAuthHeader -TimeoutSec 5
      if($result -and $result.PSobject.Properties.name -contains 'regions')
      {
        if($Raw)
        {
          return $result
        }
        else
        {
          Write-Verbose -Message 'This is a formatted result. To get the native result use the -Raw parameter.'

          return $result |
          Select-Object -ExpandProperty regions |
          Sort-Object -Property id
        }
      }
    }
    catch
    {
      $statusCode = $_.Exception.Response.StatusCode.value__
      $status = $_.Exception.Response.StatusCode
      Write-Verbose -Message ('Bad status code ({0}) {1}' -f $statusCode, $status)
    }
  }
}