import { BuilderWithTopic } from "sagastor";

const saga = new BuilderWithTopic("AUTH", {
  initial: {
    invoke(event){
      console.log(`INITIAL Hello ${event.name}`);
      return { ...event, message: `Hello ${event.name} from initial` };
    },
    rollback(){
      console.log('INITIAL backward', event);
    }
  },
  processing: {
    invoke(event){
      console.log('PROCESSING forward', event);
      throw new Error('test');
    },
    rollback(event){
      console.log('PROCESSING backward', event);
      return { ...event, message: `hello ${event.name} from rollback`};
    }
  }
});

let [topic, event] = [
  "initial",
  { name: "Lucas" }
]

while(true){
  const result = await saga.execute(topic, event);
  if(!result) break; // end
  [topic, event] = result;
}