Get-ItemSetAppearanceIndex.ps1

function Get-ItemSetAppearanceIndex
{
  <#
      .SYNOPSIS
      Retrieves the item set appearance index in World of Warcraft.
 
      .DESCRIPTION
      The function fetches a list of item set appearances using the World of Warcraft API. An optional switch is available to return raw JSON data.
 
      .PARAMETER Raw
      Optional switch to return the raw JSON response from the API.
 
      .EXAMPLE
      Get-ItemSetAppearanceIndex
      Retrieves the formatted list of item set appearances.
 
      .EXAMPLE
      Get-ItemSetAppearanceIndex -Raw
      Retrieves the raw JSON response of item set appearances.
 
      .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/item-appearance/set/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 $result.PSobject.Properties.name -contains 'appearance_sets')
      {
        if($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 appearance_sets |
          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)     
    }  
  }
}