const MongoClient = require('mongodb').MongoClient;
const assert = require('assert');

// Connection URL
const url = 'mongodb://localhost:27017';

// Database Name
const dbName = 'myproject';

// Use connect method to connect to the server
MongoClient.connect(url, function(err, client) {
  assert.equal(null, err);
  console.log("Connected successfully to server");

  const db = client.db(dbName);

  client.close();
});

const gcd = (...arr) => {
  const _gcd = (x, y) => (!y ? x : gcd(y, x % y));
  return [...arr].reduce((a, b) => _gcd(a, b));
};

gcd(8, 36); // 4
gcd(...[12, 8, 32]); // 4

const compactObject = val => {
  const data = Array.isArray(val) ? val.filter(Boolean) : val;
  return Object.keys(data).reduce(
    (acc, key) => {
      const value = data[key];
      if (Boolean(value))
        acc[key] = typeof value === 'object' ? compactObject(value) : value;
      return acc;
    },
    Array.isArray(val) ? [] : {}
  );
};

const obj = {
  a: null,
  b: false,
  c: true,
  d: 0,
  e: 1,
  f: '',
  g: 'a',
  h: [null, false, '', true, 1, 'a'],
  i: { j: 0, k: false, l: 'a' }
};
compactObject(obj);
// { c: true, e: 1, g: 'a', h: [ true, 1, 'a' ], i: { l: 'a' } }

const insertionSort = arr =>
  arr.reduce((acc, x) => {
    if (!acc.length) return [x];
    acc.some((y, j) => {
      if (x <= y) {
        acc.splice(j, 0, x);
        return true;
      }
      if (x > y && j === acc.length - 1) {
        acc.splice(j + 1, 0, x);
        return true;
      }
      return false;
    });
    return acc;
  }, []);
  
insertionSort([6, 3, 4, 1]); // [1, 3, 4, 6]

//JavaScript program to swap two variables

//take input from the users
let a = prompt('Enter the first variable: ');
let b = prompt('Enter the second variable: ');

// XOR operator
a = a ^ b
b = a ^ b
a = a ^ b

console.log(`The value of a after swapping: ${a}`);
console.log(`The value of b after swapping: ${b}`);

results =
{
 "11345240":"Media Comment-80e47004-1719-493a-af69-a43b2652b41c",
 "11345282":"zoom_3_22_21.mp4",
 "11345303":"Recording-2.m4a",
 "11345348":"February 12%2C 2021.mp4",
 "11345826":"Lecture_Rousso_Chapter_06-2.pptx",
 "11345933":"Themes_InClassAssigment.pptx",
 "11346193":"Agenda – Week of March23.pptx",
 "11346318":"MUJS 2370 SP2021 Updated Rhythm Changes Drills Bb - Score.pdf",
 "11346319":"MUJS 2370 SP2021 Updated Rhythm Changes Drills C - Score.pdf",
 "11346322":"MUJS 2370 SP2021 Updated Rhythm Changes Drills Eb - Score.pdf",
 "11346323":"MUJS 2370 Updated Rhythm Changes Drills Bass - Score.pdf",
 "11346381":"Anthropology with colored highlighter analysis - Mar 22 2021 - 10-36 AM.pdf",
 "11346449":"Anthropology with colored highlighter analysis - Mar 22 2021 - 10-36 AM.pdf",
 "11346450":"MUJS 2370 SP2021 Updated Rhythm Changes Drills Bb - Score.pdf",
 "11346451":"MUJS 2370 SP2021 Updated Rhythm Changes Drills C - Score.pdf",
 "11346453":"MUJS 2370 SP2021 Updated Rhythm Changes Drills Eb - Score.pdf",
 "11346454":"MUJS 2370 Updated Rhythm Changes Drills Bass - Score.pdf",
 "11346495":"Steinel chromatic ornamentation étude rhythm changes - Aug 23 2020 - 12-19 PM.pdf",
 "11346532":"Media Comment-136242b4-7f2c-4d5d-8aa4-091f07e797cf",
 "11346581":"2019 Trust Based Relationship Intervention Manual.pdf",
 "11346584":"TBRI ppt.pptx",
 "11346593":"Trauma informed care.ppt"
}

function NewTab(testing) {
  window.open(testing, "_blank");
}

for(test in results) {
  var testing = 'https://unt.instructure.com/files/' + test + '/download';
  NewTab(testing);
  //window.open = 'https://unt.instructure.com/files/' + test + '/download';
}