Get-AchievementIndex.ps1

function Get-AchievementIndex
{
  <#
      .SYNOPSIS
      Retrieves the achievement index in World of Warcraft.
 
      .DESCRIPTION
      The function fetches a list of all achievements available in World of Warcraft using the WoW API. An optional switch is available to return the raw JSON data.
 
      .PARAMETER Raw
      Optional switch to return the raw JSON response from the API.
 
      .EXAMPLE
      Get-AchievementIndex
      Retrieves the formatted list of achievements.
 
      .EXAMPLE
      Get-AchievementIndex -Raw
      Retrieves the raw JSON response of the achievement index.
 
      .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/achievement/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 $result.PSobject.Properties.name -contains 'achievements')
      {
        if($Raw)
        {
          return $result
        }
        else
        {
          Write-Verbose -Message 'This is a formatted result. To get the native result use the -Raw parameter.'

          if($result.PSObject.Properties['_links'])
          {
            $result.PSObject.Properties.Remove('_links')
          }

          return $result |
          Select-Object -ExpandProperty achievements |
          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)     
    }  
  }
}