hungry for lunch

const case1: string[] = ['alex', 'bob', 'john', 'alex2', 'bob2', 'john2']
const case2: string[] = ['alex', 'bob', 'john', 'alex2', 'bob2', 'john2', 'alex3']
const case3: string[] = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', '14', '15', '16', '17']

const getGroupCount = (length: number) => {
  if (length % 5 > 2) {
    return 5
  }

  if (length % 4 > 2) {
    return 4
  }

  return 3
}

const splitIntoGroups = (names: string[]): string[][] => {
  const groupCount = getGroupCount(names.length)
  const namesMutable = [...names]
  const groups: string[][] = []

  while (namesMutable.length) {
    // const groupSize = namesMutable.length > 5 ? namesMutable. :
    groups.push(namesMutable.slice(0, groupCount))

    if (namesMutable.length < 3) {
      break;
    }
  }

  // get remainders and put them into groups with openings
  groups.forEach((group) => {
    if (group.length < 5) {
      group.push(gour)
    }
  })

  return groups
}


console.log(
  JSON.stringify(
    splitIntoGroups(case1)
  ) === JSON.stringify([['alex', 'bob', 'john'], ['alex2', 'bob2', 'john2']])
)

console.log(
  JSON.stringify(
    splitIntoGroups(case2)
  ) === JSON.stringify([['alex', 'bob', 'john', 'alex2'], ['bob2', 'john2', 'alex3']])
)

console.log(
  JSON.stringify(
    splitIntoGroups(case3)
  )
)
debugger