const makeVideoPlayerMachine = ({ mode, inactivityTimeout }) => Machine({
  initial: 'paused',
  context: {
    mode,
    inactivityTimeout,
  },
  states: {
    paused: {
      on: {
        PLAY: 'playing',
      },
    },
    playing: {
      on: {
        PAUSE: 'paused',
      },
      after: {
        INACTIVITY_DELAY: { target: 'inactive', cond: 'isVod' },
      },
    },
    inactive: {
      on: {
        STILL_WATCHING: 'playing',
        FELL_ASLEEP: 'paused',
      },
    },
  },
}, {
  delays: {
    INACTIVITY_DELAY: ctx => ctx.inactivityTimeout * 1000,
  },
  guards: {
    isVod: ctx => ctx.mode === 'vod',
  },
});

makeVideoPlayerMachine({
  mode: 'live',
  inactivityTimeout: 5,
});