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const prng = require('./prng-xor')const { processSeed } = require('./utils')
module.exports = (seeded, initseed) => {  // initialise prng functions  const { reseed: prngReseed, getState, setState, random: prngRandom } = prng(0)
  // seed prng with initial seed  prngReseed(processSeed(initseed))
  // capture initial prng state  const initialState = getState()
  // define prng state getter/setter method  const state = newVal => {    if (newVal === undefined) {      return getState()    } else {      if (newVal === null) {        setState(initialState)      } else {        setState(newVal)      }      return seeded    }  }
  // define prng reseed method  const reseed = function (seed) {    prngReseed(processSeed(seed === null ? initseed : seed))    return seeded  }
  // define random method based on weighted prng random function  const random = () => seeded.weighting(prngRandom())
  return {    state,    reseed,    random  }}