// Available variables:
  // - Machine
  // - interpret
  // - assign
  // - send
  // - sendParent
  // - spawn
  // - raise
  // - actions
  // - XState (all XState exports)

  const smartRecommendationsMachineConfig = Machine({
  id: 'recommendations',
  initial: 'loading',
  context: {
    highlighted: null,
    recommendations: [],
  },
  states: {
    loading: {
      invoke: {
        src: () => setTimeout(() => Promise.resolve(), 500),
        onDone: 'loaded',
        onError: 'hasError',
      },
    },
    loaded: {
      entry: ['saveRecommendations', 'setHighlighted'],
      initial: 'ready',
      states: {
        ready: {
          on: {
            OMIT_RECOMMENDATION: {
              target: 'omiting',
              actions: ['findNextHighlighted'],
            },
          },
        },
        omiting: {
          invoke: {
            src: setTimeout(() => Promise.resolve(), 500),
            onDone: '#recommendations.loading',
            onError: 'omitFailed',
          },
        },
        omitFailed: {
          on: {
            RETRY_OMIT: 'omiting',
          },
        },
      },
    },
    hasError: {
      RETRY_LOAD_RECOMMENDATIONS: 'loading',
    },
  },
})