Add functions for handling options for creating users

scripts/Common/Scripts/Config.ps1

@@ -9,12 +9,20 @@ enum SetupStage {
     Configure
     Install
     CreateUser
-    ConfigureUser
+}
+
+enum UserStage {
+    Create
+    Configure
+    Completed
 }
 
 $null = New-Module {
     [string] $configRoot = "HKLM:\Software\PortValhalla";
     [string] $stageOption = "Stage";
+    [string] $userOption = "SetupUser";
+    [string] $userStageOption = "UserStage";
+    [string] $accountOption = "MSAccount";
     [string] $finishedOption = "Finished";
     [RegistryKey] $key = $null;
 
@@ -273,6 +281,85 @@ $null = New-Module {
         $null = Set-SetupOption $stageOption $Name;
     }
 
+    <#
+        .SYNOPSIS
+        Gets the current user to set up.
+    #>
+    function Get-CurrentUser {
+        return (Get-SetupOption $userOption) ?? 0;
+    }
+
+    <#
+        .SYNOPSIS
+        Sets the index of the current user to set up.
+
+        .PARAMETER Value
+        The index of the user to set up.
+    #>
+    function Set-CurrentUser {
+        param(
+            [int] $Value
+        )
+
+        Set-SetupOption $userOption $value;
+    }
+
+    <#
+        .SYNOPSIS
+        Gets the name of the current stage of the user setup.
+    #>
+    function Get-UserStage {
+        $stage = Get-SetupOption $userStageOption;
+
+        if ($null -ne $stage) {
+            $stage = [UserStage]$stage;
+        }
+
+        return $stage;
+    }
+
+    <#
+        .SYNOPSIS
+        Sets the current stage of the user setup.
+
+        .PARAMETER Name
+        The name of the stage to set.
+    #>
+    function Set-UserStage {
+        param(
+            $Name
+        )
+
+        if (-not (($null -eq $Name) -or ($Name -is [string]))) {
+            $Name = ([UserStage]$Name).ToString();
+        }
+
+        $null = Set-SetupOption $userStageOption $Name;
+    }
+
+    <#
+        .SYNOPSIS
+        Gets the name of the microsoft account to create.
+    #>
+    function Get-MSAccountName {
+        return Get-SetupOption $accountOption;
+    }
+
+    <#
+        .SYNOPSIS
+        Sets the name of the microsoft account to create.
+
+        .PARAMETER Name
+        The name of the microsoft account to create.
+    #>
+    function Set-MSAccountName {
+        param(
+            [string] $Name
+        )
+
+        Set-SetupOption $accountOption $Name;
+    }
+
     <#
         .SYNOPSIS
         Gets a value indicating whether the setup has finished.