const sampleMonkeys = [
  [
    [79, 98],
    ['*', 19],
    [23, 2, 3],
    0
  ],
  [
    [54, 65, 75, 74],
    ['+', 6],
    [19, 2, 0],
    0
  ],
  [
    [79, 60, 97],
    ['*', 'self'],
    [13, 1, 3],
    0
  ],
  [
    [74],
    ['+', 3],
    [17, 0, 1],
    0
  ],
]

const inputMonkeys = [
  [
    [91, 58, 52, 69, 95, 54],
    ['*', 13],
    [7, 1, 5],
    0
  ],
  [
    [80, 80, 97, 84],
    ['*', 'self'],
    [3, 3, 5],
    0
  ],
  [
    [86, 92, 71],
    ['+', 7],
    [2, 0, 4],
    0
  ],
  [
    [96, 90, 99, 76, 79, 85, 98, 61],
    ['+', 4],
    [11, 7, 6],
    0
  ],
  [
    [60, 83, 68, 64, 73],
    ['*', 19],
    [17, 1, 0],
    0
  ],
  [
    [96, 52, 52, 94, 76, 51, 57],
    ['+', 3],
    [5, 7, 3],
    0
  ],
  [
    [75],
    ['+', 5],
    [13, 4, 2],
    0
  ],
  [
    [83, 75],
    ['+', 1],
    [19, 2, 6],
    0
  ]
]

// Part One
//let monkeys = JSON.parse(JSON.stringify(sampleMonkeys));
let monkeys = JSON.parse(JSON.stringify(inputMonkeys));

for (let i = 0; i < 20; i++) {
  for (const m in monkeys) {
    const items = monkeys[m][0];
    const op = monkeys[m][1];
    const test = monkeys[m][2];
    for (const item of items) {
      monkeys[m][3]++;
      let newLevel;
      if (op[0] === '*') {
        if (op[1] === 'self') {
          newLevel = item * item;
        } else {
          newLevel = item * op[1];
        }
      } else {
        newLevel = item + op[1];
      }
      newLevel = Math.floor(newLevel / 3);
      if (newLevel % test[0] === 0) {
        monkeys[test[1]][0].push(newLevel);
      } else {
        monkeys[test[2]][0].push(newLevel);
      }
    }
    monkeys[m][0] = [];
  }
}

let counts = monkeys.map(m => m[3]);
counts.sort(function(a, b) {
  return b - a;
});

console.log(counts[0] * counts[1]);


// Part Two
//monkeys = JSON.parse(JSON.stringify(sampleMonkeys));
monkeys = JSON.parse(JSON.stringify(inputMonkeys));

// Common denominator trick to keep numbers small outright stolen from
// https://git.genehack.net/genehack/advent-of-code-2022/src/branch/main/11/day11_2.js
let COMMON = 1;
for (const monkey of monkeys) {
  COMMON *= monkey[2][0];
}

for (let i = 0; i < 10000; i++) {
  for (const m in monkeys) {
    const items = monkeys[m][0];
    const op = monkeys[m][1];
    const test = monkeys[m][2];
    for (const n in items) {
      monkeys[m][3] = monkeys[m][3] + 1;
      let newLevel;
      if (op[0] === '*') {
        if (op[1] === 'self') {
          newLevel = monkeys[m][0][n] ** 2;
        } else {
          newLevel = monkeys[m][0][n] * op[1];
        }
      } else {
        newLevel = monkeys[m][0][n] + op[1];
      }
      newLevel = newLevel % COMMON
      const pass = newLevel % (test[0]) == 0 ? true : false;
      monkeys[pass ? test[1] : test[2]][0].push(newLevel);
    }
    monkeys[m][0] = [];
  }
}

counts = monkeys.map(m => m[3]);
counts.sort(function(a, b) {
  return b - a;
});

console.log(counts[0] * counts[1]);

// functions