import { readFileSync } from 'fs';
import { join } from 'path';

const fileString = readFileSync(join(__dirname, "input"), 'utf-8');
var rows = fileString.split("\n\n");

rows = rows.map(val => {
  return val.trim();
});
rows = rows.filter(val => {
  return val.length > 0;
});

var inputs = rows.map(val => {
  return val.split("\n").map(vval => {
    return eval(vval);
  });
});

function compareVals(left, right, d): number {
  if (right == undefined) {
    return -1;
  }
  if (left == undefined) {
    return 1;
  }
  const itemLTp = typeof left;
  const itemRTp = typeof right;
  if ((itemLTp == "number") && (itemRTp =="number")) {
    console.log("- Compare ".padStart(d, "-"), left, " vs ", right)
    if (left < right) {
      return 1;
    }
    if (left > right) {
      return -1;
    }
    return 0;
  } else if ((itemLTp == "object") && (itemRTp =="object")) {
      console.log("- Compare ".padStart(d, "-"), left, " vs ", right)
      for (var j = 0; j < Math.max(left.length, right.length); j++) {
        const ret = compareVals(left[j], right[j], d+1);
        if (ret != 0) {
          return ret;
        }
      }
      return 0;
  } else {
    console.log("- Compare ".padStart(d, "-"), left, " vs ", right)
    var nItemL = null;
    var nItemR = null;
    if (itemLTp == "number") {
      nItemL = [left]
    } else {
      nItemL = left
    }
    if (itemRTp == "number") {
      nItemR = [right]
    } else {
      nItemR = right
    }
    for (var j = 0; j < Math.max(nItemL.length, nItemR.length); j++) {
      const ret = compareVals(nItemL[j], nItemR[j], d+1);
      if (ret != 0) {
        return ret;
      }
    }
  }
  return 0;
}

var res = [];
for (var p = 0; p < inputs.length; p++) {
  console.log("== Pair ", p, " ==")
  const v = compareVals(inputs[p][0], inputs[p][1], 0);
  res.push(v);
}

console.log(res);

var sum = 0;
for (var i = 0; i < res.length; i++) {
  if (res[i] == 1) {
    sum += (i + 1);
  }
}

console.log(sum);