utils.js

import { checkAlgoType } from "./index.js";

// generate random numbers within range the range min to max
function generateRandomNumber(min, max) {
  return Math.floor(Math.random() * (max - min + 1)) + min;
}

// generate an array of random numbers of given size
function generateRandomArray(size, range) {
  const arr = new Set();
  while (arr.size < size) {
    let num = generateRandomNumber(range[0], range[1]);
    arr.add(num);
  }
  return Array.from(arr);
}

// check if the device is mobile
// this is used to determine if the bars should have number labels or not
function isMobile() {
  var check = false;
  (function (a) {
    if (
      /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(
        a
      ) ||
      /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(
        a.substr(0, 4)
      )
    )
      check = true;
  })(navigator.userAgent || navigator.vendor || window.opera);
  return check;
}

// highlights bars at given indices, with a given color
function highlightBars(indices, color) {
  const bars = document.querySelectorAll(".bar");
  indices.forEach((idx) => {
    bars[idx].style.backgroundColor = color;
  });
}

// highlights all bars with a given color
function highlightAll(color) {
  const bars = document.querySelectorAll(".bar");
  bars.forEach((bar) => {
    bar.style.backgroundColor = color;
  });
}

let permanentHighlight = [null, null];

function addPermanentHighlight(idx, color) {
  permanentHighlight = [idx, color];
}

function clearPermanentHighlight() {
  permanentHighlight = [null, null];
}

// render bars with their corresponding heights and values
function renderBars(arr) {
  const container = document.getElementById("algo-container");
  container.innerHTML = ""; // clear previous boxes

  let scale = true ? checkAlgoType() === "sort" : false; // check which algorithm is selected, to determine if bars are scaled

  arr.forEach((num, idx) => {
    const bar = document.createElement("div");
    bar.className = "bar";
    bar.style.height = scale ? `${num * 3}px` : "50px"; // scale height if needed
    if (!isMobile()) {
      bar.textContent = num;
      bar.style.width = "20px";
      bar.style.paddingTop = "5px";
      bar.style.paddingBottom = "5px";
    } else {
      bar.style.padding = "4px";
    }
    if (idx === permanentHighlight[0]) {
      bar.style.backgroundColor = permanentHighlight[1];
    }

    container.appendChild(bar);
  });
}

function displayFound() {
  const targetDisplay = document.getElementById("target-display");
  targetDisplay.innerText = `${targetDisplay.innerText}, found!`;
}

function displayNotFound() {
  const targetDisplay = document.getElementById("target-display");
  targetDisplay.innerText = `${targetDisplay.innerText}, not found!`;
}

// function to wait for a given time t, in seconds
function wait(secs) {
  return new Promise((resolve) => setTimeout(resolve, secs * 1000));
}

export {
  generateRandomNumber,
  generateRandomArray,
  renderBars,
  highlightBars,
  highlightAll,
  displayFound,
  displayNotFound,
  wait,
  addPermanentHighlight,
  clearPermanentHighlight,
};