Checks/Aws/Test-AutoscalingGroupMultipleInstanceTypes.ps1

function Test-AutoscalingGroupMultipleInstanceTypes {
    <#
    .SYNOPSIS
        Auto Scaling group spans multiple Availability Zones and has multiple instance types per Availability Zone

    .DESCRIPTION
        **EC2 Auto Scaling groups** are evaluated for using **multiple instance types** in each **Availability Zone** and spanning more than one AZ.
        
        Groups are identified when every AZ defines at least two instance types; groups with any AZ using a single or no type, or confined to one AZ, are noted.

    .PARAMETER Check
        CIEMCheck object containing check metadata.
    #>

    [CmdletBinding()]
    [OutputType([PSCustomObject[]])]
    param(
        [Parameter(Mandatory)]
        [CIEMCheck]$Check
    )

    $ErrorActionPreference = 'Stop'

    # TODO: Implement check logic based on Prowler check: autoscaling_group_multiple_instance_types

    [CIEMScanResult]::Create($Check, 'MANUAL', 'This check requires manual implementation. See Prowler check autoscaling_group_multiple_instance_types for reference.', 'N/A', 'autoscaling Resources')
}