bracket.txt

const now = Date.now();

const log = (string, func) => console.log(string, func);

log('now', now);

// Log to console
var perfectBrackets = [2, 4, 8, 16, 32, 64];
var playerList = ['a', 'b', 'c', 'd', 'e', 'f', 'g'];

var tiers = [];
var numOfPlayers = playerList.length;
var highestValue = null;

for (let i = 0; i < perfectBrackets.length; i++) {
  if (
    perfectBrackets[i] < numOfPlayers &&
    (highestValue === null || perfectBrackets[i] > highestValue)
  ) {
    highestValue = perfectBrackets[i];
  }
}

var numOfFirstTierPlayers = (numOfPlayers - highestValue) * 2;
var numOfInitialSecondTierPlayers =
  numOfPlayers - numOfFirstTierPlayers;
var firstTier = [];
var secondTier = [];
var newSecondTier = [];
var numberOfEmptySlots = numOfPlayers - highestValue;
var j = 0;
var localHighestValue = highestValue;
var q =0;
var p=0;
//generates tiers

for (let i = highestValue; i >= 1; i /= 2) {
  tiers.push([]);
  if (j === 0) {
    for (let x = 0; x < numOfFirstTierPlayers; x += 2) {
      tiers[j].push([0, 0]);
    }
  }
  if (j >= 1) {
    for (let z = 0; z < localHighestValue; z += 2) {
      
      if (localHighestValue === 1) {
        tiers[j].push([0,0]);
      } else {
        tiers[j].push([0, 0]);
      }
    }
  }
  if (j >=1) {
    localHighestValue /= 2;
  }
  j++;
}
//inputs player object
for (let i = 0; i < tiers.length; i ++) {
  console.log(p)
  if(playerList.length % 2 != 0 && p === playerList.length){
      break;
    }
   if(p > playerList.length-1){
      break;
    }
  for(x=0; x<tiers[i].length; x++){
    
    tiers[i][x][q] = playerList[p];
    p++
    if(playerList.length % 2 != 0 && p === playerList.length){
      break;
    }
    tiers[i][x][q+1] = playerList[p];
    p++
    q=0
    if(p > playerList.length-1){
      break;
    }
    
  }
}


for (let i = 0; i < numOfFirstTierPlayers; i += 2) {
  firstTier.push([playerList[i], playerList[i + 1]]);
}

for (let i = numOfFirstTierPlayers; i < numOfPlayers; i++) {
  secondTier.push(playerList[i]);
}
for (let i = 0; i < numberOfEmptySlots; i++) {
  secondTier.push(0);
}

for (let i = 0; i < secondTier.length; i += 2) {
  newSecondTier.push([secondTier[i], secondTier[i + 1]]);
}
let a = 'a';
tiers[1].forEach((element) => {
  var index = element.findIndex((player) => player === 0);
  if (index === -1) {
    return;
  }
  element[index] = a;
});
newSecondTier.forEach((element) => {
  var index = element.findIndex((player) => player === 0);
  if (index === -1) {
    return;
  }
  element[index] = a;
});

console.log(tiers[1])