const random = () => Math.random()

const randFromArray = (array: unknown[]) => array[Math.floor(random() * array.length)]

const randIntFromInterval = (min: number, max: number) => Math.floor(random() * (max - min) + min)

function shuffleArrayMutate<T>(array: T[]): T[] {
  for (let i = array.length - 1; i > 0; i--) {
    const j = Math.floor(Math.random() * (i + 1))
    ;[array[i], array[j]] = [array[j], array[i]]
  }

  return array
}

const shuffleArray = <T>(array: T[]): T[] => shuffleArrayMutate([...array])

const shuffleString = (str: string, delimiter = ''): string =>
  shuffleArrayMutate(str.split(delimiter)).join(delimiter)

const generateRandomId = () => `id-${random().toString(36).substring(2, 12)}`

export {
  randFromArray,
  randIntFromInterval,
  random,
  shuffleArray,
  shuffleArrayMutate,
  shuffleString,
  generateRandomId
}
