I've tried approaching this with #NodeRed. Some people have shared their flows, but it's very messy trying to follow such a thing, and shared code to import also rarely works without proper documentation.
What I keep getting stuck on is how to define the available amps to set the EVSE to. It depends on if it is on and need to deduct its current power from calculations, but my logic seems to fail me when trying to implement. #HomeAssistant