Public/Get-GW2WvWRanks.ps1

<#
    .SYNOPSIS
        Retrieves WvW ranks from the Guild Wars 2 API.
 
    .DESCRIPTION
        The Get-GW2WvWRanks cmdlet retrieves information about World vs. World ranks.
 
    .PARAMETER Ids
        The ID(s) of the ranks to retrieve. Can be a single ID, an array of IDs, or "all".
 
    .PARAMETER Page
        The page number to retrieve.
 
    .PARAMETER PageSize
        The number of results per page.
 
    .PARAMETER Lang
        The language to return localized text in. Defaults to "en".
        Valid values: "en", "es", "de", "fr", "zh".
 
    .EXAMPLE
        Get-GW2WvWRanks -Ids 1
        Retrieves information for specific rank ID 1.
 
    .EXAMPLE
        Get-GW2WvWRanks -Ids "all"
        Retrieves information for all ranks.
 
    .NOTES
        API Endpoint: /v2/wvw/ranks
    #>

function Get-GW2WvWRanks {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $false)]
        [object]$Ids,

        [Parameter(Mandatory = $false)]
        [int]$Page,

        [Parameter(Mandatory = $false)]
        [int]$PageSize,

        [Parameter(Mandatory = $false)]
        [ValidateSet("en", "es", "de", "fr", "zh")]
        [string]$Lang = "en"
    )

    $Uri = "https://api.guildwars2.com/v2/wvw/ranks"
    $QueryParams = @{}

    if ($null -ne $Ids) {
        if ($Ids -is [array]) {
            $QueryParams["ids"] = $Ids -join ","
        }
        elseif ($Ids -eq "all") {
            $QueryParams["ids"] = "all"
        }
        else {
            $QueryParams["ids"] = $Ids
        }
    }

    if ($PSBoundParameters.ContainsKey('Page')) {
        $QueryParams["page"] = $Page
    }

    if ($PSBoundParameters.ContainsKey('PageSize')) {
        $QueryParams["page_size"] = $PageSize
    }

    if ($PSBoundParameters.ContainsKey('Lang')) {
        $QueryParams["lang"] = $Lang
    }

    try {
        Invoke-RestMethod -Uri $Uri -Method Get -Body $QueryParams
    }
    catch {
        Write-Error "Failed to retrieve WvW ranks: $_"
    }
}