var displayedMenu = "";
var hamburgerShown = false;
let width = screen.width;
var isMobile = width < 1024;

function toggleMenu(button) {
  if (displayedMenu === button.id.split("-")[0]) {
    button.className = button.className.replace(
      " text-gray-800 bg-stone-200 sm:bg-transparent",
      " text-gray-900"
    );
    hideMenu(button.id.split("-")[0]);
    button.lastElementChild.className = button.lastElementChild.className.replace(
      "rotate-0",
      "-rotate-90"
    );
    displayedMenu = "";
  } else {
    showMenu(button.id.split("-")[0]);
    button.lastElementChild.className = button.lastElementChild.className.replace(
      "-rotate-90",
      "rotate-0"
    );
    button.className = button.className.replace(
      " text-gray-900",
      " text-gray-800 bg-stone-200 sm:bg-transparent"
    );
    displayedMenu = button.id.split("-")[0];
  }

  document.addEventListener("click", function (e) {
    if (!button.contains(e.target)) {
      hideMenu(button.id.split("-")[0]);
      button.lastElementChild.className = button.lastElementChild.className.replace(
        "rotate-0",
        "-rotate-90"
      );
      displayedMenu = "";
    }
  });
}

function handleClick(button) {
  if (button.id === "hamburger-btn" || button.id === "close-hamburger-btn") {
    toggleHamburger();
  }
  if (button.id.indexOf("menu") !== -1) {
    toggleMenu(button);
  }
}

function toggleHamburger() {
  if (hamburgerShown) {
    hideHamburger();
    hamburgerShown = false;
  } else {
    showHamburger();
    hamburgerShown = true;
  }
}

function showMenu(menuName) {
  var menuId = menuName + (isMobile ? "-mobile-menu" : "-menu");
  var menuBtnId = menuName + (isMobile ? "-mobile-menu" : "-menu");
  var menuElement = document.getElementById(menuId);
  menuElement.className = menuElement.className.replace(" hidden", "");
  let children = document.querySelectorAll(".nav_menu");
  for (let i = 0; i < children.length; i++) {
    if (menuElement !== children[i]) {
      let btnId = `${children[i].id}-btn`;
      let btn = document.getElementById(btnId);
      if (btn && !children[i].classList.contains("hidden")) {
        children[i].classList.add("hidden");
        btn.lastElementChild.classList.replace("rotate-0", "-rotate-90");
      }
    }
  }
  setTimeout(function () {
    menuElement.className = menuElement.className.replace(
      "duration-200 ease-in opacity-0 -translate-y-1",
      "duration-150 ease-out opacity-1 -translate-y-0"
    );
  }, 10);
}

function hideMenu(menuName) {
  var menuId = menuName + (isMobile ? "-mobile-menu" : "-menu");
  var menuElement = document.getElementById(menuId);
  var btnId = `${menuElement.id}-btn`;
  let btn = document.getElementById(btnId);
  menuElement.className = menuElement.className.replace(
    "duration-150 ease-out opacity-1 -translate-y-0",
    "duration-200 ease-in opacity-0 -translate-y-1"
  );
  btn.lastElementChild.className = btn.lastElementChild.className.replace(
    "rotate-0",
    "-rotate-90"
  );
  if (!menuElement.classList.contains("hidden")) {
    menuElement.classList.add("hidden");
  }
}

function showHamburger() {
  document.getElementById("header-container").className = "overflow-hidden";
  document.getElementById("hamburger").className =
    "fixed mt-14 z-20 top-0 inset-x-0 transition transform origin-top-right";
  document.getElementById("hamburger-btn").className =
    "hidden lg:hidden inline-flex items-center justify-center p-2 rounded-md text-gray-400 hover:text-gray-500 hover:bg-gray-100 focus:outline-none focus:bg-gray-100 focus:text-gray-500 transition duration-150 ease-in-out";
  document.getElementById("close-hamburger-btn").className =
    "inline-flex items-center justify-center p-2 rounded-md text-gray-400 hover:text-gray-500 hover:bg-gray-100 focus:outline-none focus:bg-gray-100 focus:text-gray-500 transition duration-150 ease-in-out";
}

function hideHamburger() {
  document.getElementById("header-container").className = "";
  document.getElementById("hamburger").className =
    "hidden absolute z-20 top-0 inset-x-0 transition transform origin-top-right lg:hidden";
  document.getElementById("hamburger-btn").className =
    "inline-flex items-center justify-center p-2 rounded-md text-gray-400 hover:text-gray-500 hover:bg-gray-100 focus:outline-none focus:bg-gray-100 focus:text-gray-500 transition duration-150 ease-in-out";
  document.getElementById("close-hamburger-btn").className =
    "hidden lg:hidden inline-flex items-center justify-center p-2 rounded-md text-gray-400 hover:text-gray-500 hover:bg-gray-100 focus:outline-none focus:bg-gray-100 focus:text-gray-500 transition duration-150 ease-in-out";
  if (displayedMenu !== "") {
    hideMenu(displayedMenu);
  }
}

function toggleFilter() {
  var filterMenu = document.getElementById("filter-menu");
  if (filterMenu.className.includes("hidden")) {
    filterMenu.className = filterMenu.className.replace("hidden", " ");
  } else {
    filterMenu.className = filterMenu.className + " hidden";
  }
}
window.onload = function () {
  let elements = document.getElementsByTagName("button");
  let buttons = [...elements];

  buttons.forEach((button) => {
    button.addEventListener("click", function () {
      handleClick(button);
    });
  });

  document.getElementById("filter-btn").addEventListener("click", toggleFilter);
  document
    .getElementById("mobile-learn-btn")
    .addEventListener("click", toggleMenu);
};

function openInNewTab(url) {
  window.open(url, "_blank").focus();
}

function readingTime() {
  let articles = document.querySelectorAll(".article");
  let times = document.querySelectorAll(".time");
  const wpm = 225;
  let words;
  for (var i = 0; i < articles.length; i++) {
    words = articles[i].innerText.trim().split(/\s+/).length;
    let time = Math.ceil(words / wpm);
    times[i].innerText = `${time} minute read`;
  }
}

async function getStats() {
  try {
    const stats = await fetch(
      "https://stats.grid.tf/api/stats-summary"
    ).then((res) => res.json());
    return formatStatsData(stats);
  } catch (error) {
    throw new Error(
      `Failed to retrieve data from network statistics: ${error}`
    );
  }
}

function formatStatsData(stats) {
  let items = document.querySelector(".items");
  items.classList.remove("animate-pulse");
  document.getElementById("ssd").innerHTML = stats.ssd;
  document.getElementById("nodes").innerHTML = stats.nodes;
  document.getElementById("countries").innerHTML = stats.countries;
  document.getElementById("cores").innerHTML = stats.cores
    .toString()
    .replace(/\B(?=(\d{3})+(?!\d))/g, ",");
}

readingTime();
getStats();
document.getElementById("year").innerHTML = new Date().getFullYear();


// Get elements
const toggleSwitch = document.getElementById('lightModeSwitch');
const body = document.body;

// Apply saved theme on load
document.addEventListener('DOMContentLoaded', () => {
    const savedTheme = localStorage.getItem('theme') || 'dark'; // Default is dark mode

    if (savedTheme === 'dark') {
        body.classList.add('dark-mode');
        toggleSwitch.checked = true;
    } else {
        body.classList.remove('dark-mode');
        toggleSwitch.checked = false;
    }
});

// Toggle between light and dark mode
toggleSwitch.addEventListener('change', () => {
    if (toggleSwitch.checked) {
        body.classList.add('dark-mode');
        localStorage.setItem('theme', 'dark');
    } else {
        body.classList.remove('dark-mode');
        localStorage.setItem('theme', 'light');
    }
});