Refactor user creation script

scripts/Windows/OS/User/Add.ps1

@@ -9,6 +9,9 @@ $uacDisablerTriggerProperty = "UACDisablerTrigger";
 function New-PersonalUser([Context] $context, [string] $userName)
 {
     $userStageProperty = "UserStage";
+    $creationStage = "Create";
+    $disableUACStage = "DisableUAC";
+    $adminRemovalStage = "RemoveAdmin";
 
     $null = New-Module {
         Get-UserStage {
@@ -21,61 +24,67 @@ function New-PersonalUser([Context] $context, [string] $userName)
         }
     }
 
-    if (-not (Get-LocalUser $userName -ErrorAction SilentlyContinue))
+    switch (Get-UserStage) {
-    {
+        { $_ -in $null,$creationStage } {
-        Write-Host "Creating Personal User";
+            Set-UserStage $creationStage;
 
-        while ($true) {
+            if (-not (Get-LocalUser $userName -ErrorAction SilentlyContinue)) {
-            Write-Host (
+                Write-Host "Creating Personal User ``$userName``";
-                [string]::Join(
-                    "`n",
-                    "So... Windows is too dumb to create users which are bound to a Microsoft Account.",
-                    "Thus, you have to do it by yourself.",
-                    "So sorry..."));
 
-            $users = Get-LocalUser | ForEach-Object { $_.Name };
+                while ($true) {
-            Write-Host "Following users exist already:"
+                    Write-Host (
-            Write-Host $users;
+                        [string]::Join(
-            Read-Host "Please hit enter once you're done...";
+                            "`n",
+                            "So... Windows is too dumb to create users which are bound to a Microsoft Account.",
+                            "Thus, you have to do it by yourself.",
+                            "So sorry..."));
 
-            $user = Get-LocalUser | Where-Object { -not ($users -contains $_.Name) } | Select-Object -Last 1;
+                    $users = Get-LocalUser | ForEach-Object { $_.Name };
+                    Write-Host "Following users exist already:"
+                    Write-Host $users;
+                    Read-Host "Please hit enter once you're done...";
 
-            if ($user) {
+                    $user = Get-LocalUser | Where-Object { -not ($users -contains $_.Name) } | Select-Object -Last 1;
-                Write-Information "Found New User:";
+
-                Write-Information $user;
+                    if ($user) {
-                break;
+                        Write-Information "Found New User:";
+                        Write-Information $user;
+                        break;
+                    }
+                }
+
+                Write-Information "Renaming the new User to $userName";
+                Rename-LocalUser $user $userName;
+
+                Add-LocalGroupMember -Group "Administrators" -Member $user &&
+                    Set-LocalUser $context.AdminName -Password (ConvertTo-SecureString -AsPlainText "Admin") &&
+                    Disable-LocalUser $context.AdminName;
+
+                Write-Host "Registering setup script for all new users";
+                $context.RegisterNewUserReboot();
+
+                Write-Information "Enabling UAC for the next login (Microsoft Account login won't work otherwise, lol)";
+                Enable-UACNextLogin $context;
+
+                Write-Information "Disabling Auto login";
+                $context.RemoveAutologin();
+                Set-UserStage $disableUACStage;
+                Restart-Computer -Force;
+                exit;
             }
         }
-
+        $disableUACStage {
-        Write-Information "Renaming the new User to $userName";
-        Rename-LocalUser $user $userName;
-        Add-LocalGroupMember -Group "Administrators" -Member $user && Set-LocalUser $context.AdminName -Password (ConvertTo-SecureString -AsPlainText "Admin") && Disable-LocalUser $context.AdminName;
-
-        Write-Host "Registering setup script for all new users";
-        $context.RegisterNewUserReboot();
-
-        Write-Information "Enabling UAC for the next login (Microsoft Account login won't work otherwise, lol)";
-        Enable-UACNextLogin $context;
-
-        Write-Information "Disabling Auto login";
-        $context.RemoveAutologin();
-        Set-UserStage "DisableUAC";
-        Restart-Computer -Force;
-        exit;
-    }
-
-    switch (Get-UserStage) {
-        "DisableUAC" {
             Enable-PersonalUserAutologon $context $userName;
             $context.RegisterReboot();
-            Set-UserStage "RemoveAdmin";
+            Set-UserStage $adminRemovalStage;
             Start-EventDrivenTask $context.Get($uacDisablerTriggerProperty);
             exit;
         }
-        "RemoveAdmin" {
+        $adminRemovalStage {
             Write-Information "Removing Admin Account";
             Get-CimInstance -ClassName "Win32_UserProfile" -Filter "SID = '$((Get-LocalUser $context.AdminName).SID)'" | Remove-CimInstance;
             $context.Remove($userStageProperty);
+            break;
         }
     }
 }