Create HTML report for NTFS Permissions with nested view for folder and groups

Hello,
I found this script : https://key2consulting.com/powershell-file-directory-tree-view/

It's almost and I try to modify it to obtain what I want without success.
I explain in details what I want : 
From the report I obtain with the script, I want to replace the size of the Folder by NTFS Permissions of the folder, and members of the groups : 
>Folder Group1  Read
              Group2  Read Execute

              Group3  Modify

When I develop Folder and SubFolder 2, I will obtain

- Folder                          >Group1  Read

                                                       List
                                       >Group2  Read

                                                       Execute

                                                       Traverse

                                       >Group3  Modify

              > Subfolder 1  >Group1 Modify

              > Subfolder 2   - Group2 Modify

                                              Member1

                                              Member2          

                  SubFolder 3 (No sublevel for it, so no arrow in front of it)

Can anyone can help me to modify the original script to obtain what I want.

Thaks b