winutil/functions/private/Invoke-WinUtilTweaks.ps1

function Invoke-WinUtilTweaks {
    <#

    .SYNOPSIS
        Invokes the function associated with each provided checkbox

    .PARAMETER CheckBox
        The checkbox to invoke

    .PARAMETER undo
        Indicates whether to undo the operation contained in the checkbox

    .PARAMETER KeepServiceStartup
        Indicates whether to override the startup of a service with the one given from WinUtil,
        or to keep the startup of said service, if it was changed by the user, or another program, from its default value.
    #>

    param(
        $CheckBox,
        $undo = $false,
        $KeepServiceStartup = $true
    )

    if ($undo) {
        $Values = @{
            Registry = "OriginalValue"
            Service = "OriginalType"
            ScriptType = "UndoScript"
        }

    } else {
        $Values = @{
            Registry = "Value"
            Service = "StartupType"
            OriginalService = "OriginalType"
            ScriptType = "InvokeScript"
        }
    }
    if ($sync.configs.tweaks.$CheckBox.service) {
        $sync.configs.tweaks.$CheckBox.service | ForEach-Object {
            $changeservice = $true

        # The check for !($undo) is required, without it the script will throw an error for accessing unavailable member, which's the 'OriginalService' Property
            if ($KeepServiceStartup -AND !($undo)) {
                try {
                    # Check if the service exists
                    $service = Get-Service -Name $psitem.Name -ErrorAction Stop
                    if(!($service.StartType.ToString() -eq $psitem.$($values.OriginalService))) {
                        $changeservice = $false
                    }
                } catch [System.ServiceProcess.ServiceNotFoundException] {
                    Write-Warning "Service $($psitem.Name) was not found."
                }
            }

            if ($changeservice) {
                Set-WinUtilService -Name $psitem.Name -StartupType $psitem.$($values.Service)
            }
        }
    }
    if ($sync.configs.tweaks.$CheckBox.registry) {
        $sync.configs.tweaks.$CheckBox.registry | ForEach-Object {
            Set-WinUtilRegistry -Name $psitem.Name -Path $psitem.Path -Type $psitem.Type -Value $psitem.$($values.registry)
        }
    }
    if ($sync.configs.tweaks.$CheckBox.$($values.ScriptType)) {
        $sync.configs.tweaks.$CheckBox.$($values.ScriptType) | ForEach-Object {
            $Scriptblock = [scriptblock]::Create($psitem)
            Invoke-WinUtilScript -ScriptBlock $scriptblock -Name $CheckBox
        }
    }

    if (!$undo) {
        if($sync.configs.tweaks.$CheckBox.appx) {
            $sync.configs.tweaks.$CheckBox.appx | ForEach-Object {
                Remove-WinUtilAPPX -Name $psitem
            }
        }
    }
}