Get-PlayableClassIndex.ps1

function Get-PlayableClassIndex
{
  <#
      .SYNOPSIS
      Retrieves the index of playable classes in World of Warcraft.
 
      .DESCRIPTION
      The function fetches the list of playable classes available in World of Warcraft using the Blizzard API. The list can be returned in a raw JSON format if the optional -Raw parameter is used.
 
      .PARAMETER Raw
      Optional switch to return the raw JSON response from the API.
 
      .EXAMPLE
      Get-PlayableClassIndex
      Retrieves the index of playable classes in a formatted way.
 
      .EXAMPLE
      Get-PlayableClassIndex -Raw
      Retrieves the raw JSON response of playable classes.
 
      .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/playable-class/index?namespace=static-{1}&locale={2}' -f $Global:WoWBaseURL, $Global:WoWRegion, $Global:WoWLocalization
    
    try 
    {
      $result = Invoke-RestMethod -Uri $URL -Headers $Global:WoWApiAuthHeader -TimeoutSec 5
      if($result -and $result.PSobject.Properties.name -contains 'classes')
      {
        if($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 classes |
          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)     
    }  
  }
}