fully script IIS8 installtion with powershell

I have started with scripting an IIS 8.5 Installation, it is running fine for the full install from powershell. Now i need to enhance all the other features, permissions for the wwwroot dir, setting for classic and Net through powershell incl. SSL to get an IIS installation runnign through one script with powershell. All bindings, security, custom erro pages, etc, maybe with list of functions that are further available.