script.js

const passwordEl = document.getElementById('password');
const copyBtn = document.getElementById('copy-btn');
const generateBtn = document.getElementById('generate-btn');
const lengthInput = document.getElementById('length');
const uppercaseEl = document.getElementById('uppercase');
const lowercaseEl = document.getElementById('lowercase');
const numbersEl = document.getElementById('numbers');
const symbolsEl = document.getElementById('symbols');

const uppercaseChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
const lowercaseChars = "abcdefghijklmnopqrstuvwxyz";
const numberChars = "0123456789";
const symbolChars = "!@#$%^&*";

function generatePassword() {
  const length = parseInt(lengthInput.value);
  const includeUppercase = uppercaseEl.checked;
  const includeLowercase = lowercaseEl.checked;
  const includeNumbers = numbersEl.checked;
  const includeSymbols = symbolsEl.checked;

  let allowedChars = "";
  let password = "";

  if (includeUppercase) allowedChars += uppercaseChars;
  if (includeLowercase) allowedChars += lowercaseChars;
  if (includeNumbers) allowedChars += numberChars;
  if (includeSymbols) allowedChars += symbolChars;

  if (allowedChars.length === 0) {
    alert("Please select at least one character type!");
    return;
  }

  for (let i = 0; i < length; i++) {
    const randomIndex = Math.floor(Math.random() * allowedChars.length);
    password += allowedChars[randomIndex];
  }

  passwordEl.value = password;
}

function copyToClipboard() {
  const password = passwordEl.value;
  if (!password) {
    alert("No password to copy!");
    return;
  }
  navigator.clipboard.writeText(password).then(() => {
    alert("Password copied to clipboard!");
  });
}

generateBtn.addEventListener('click', generatePassword);
copyBtn.addEventListener('click', copyToClipboard);