# Theoretically, do we want to allow an 'independent' mode where PAYG credit is always independent of link state?

SketchSystems.spec

# Theoretically, do we want to allow an 'independent' mode where PAYG credit is always independent of link state?

1 or more NX Channel Links
  link or unlink event -> link state?
  reset -> Credit Independent
  
  Credit Leading&
    tick? -> push credit update to accessory
    event indicates PAYG credit has updated? -> push credit update to accessory   
    
  Credit Following&
    tick? -> poll controller for latest credit
  
  push credit update to accessory
    retry sending request up to X times -> Credit Leading
  
  poll controller for latest credit
    was following gets credit response -> Credit Following
    no response from controller after timeout -> zero credit
    
  
  # implies that link state should be initialized before PAYG credit initializes
  link state?
    no links? -> Did I lose the link to a device leading my own credit?
    am I controlling any accessory PAYG state? -> Credit Leading
    is a controller managing my PAYG state? -> Credit Following

# 'independent' is a PAYG credit state like following, relaying, leading    
No NX Channel Links*
  init or link event -> link state?
    
  Credit Independent
    zero credit*
    credit independently controlled
  
  # Question here around accessories being unlocked and then unlinked (should they go to zero credit?)
  Did I lose the link to a device leading my own credit?
    yes? -> zero credit
    no? ->  credit independently controlled
  

  

SketchSystems_prototype.js

function render(model){
  let current_state_name = model.active_states[0].name;
  return $("h1",
           {style: {color: "darkBlue"}},
           `The current state is: ${current_state_name}`);
}