Checks/Aws/Test-RdsInstanceCertificateExpiration.ps1

function Test-RdsInstanceCertificateExpiration {
    <#
    .SYNOPSIS
        RDS instance SSL/TLS certificate has more than 3 months of validity remaining

    .DESCRIPTION
        **RDS DB instances** are evaluated for **server certificate validity** windows, including default and **customer-managed certificates**. Certificates **expired** or **approaching expiration** (e.g., `<1 month`, `<3 months`, `3-6 months`, `>6 months`) are identified using the certificate `valid_till` date.

    .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: rds_instance_certificate_expiration

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