import { appDefinitionFile } from "../common"
import { constructHierarchy } from "./createNodes"

export const getApplicationDefinition = datastore => async () => {
  const exists = await datastore.exists(appDefinitionFile)

  if (!exists) throw new Error("Application definition does not exist")

  const appDefinition = await datastore.loadJson(appDefinitionFile)
  appDefinition.hierarchy = constructHierarchy(appDefinition.hierarchy)
  return appDefinition
}