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seperate single seasonals/Seasonals-Halloween/halloween.js

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+const halloween = true; // enable/disable halloween
+const randomSymbols = true; // enable more random symbols
+const randomSymbolsMobile = false; // enable random symbols on mobile devices
+const enableDiffrentDuration = true; // enable different duration for the random halloween symbols
+const halloweenCount = 25; // count of random extra symbols
+
+let msgPrinted = false; // flag to prevent multiple console messages
+
+// function to check and control the halloween
+function toggleHalloween() {
+  const halloweenContainer = document.querySelector('.snow-container');
+  if (!halloweenContainer) return;
+
+  const videoPlayer = document.querySelector('.videoPlayerContainer');
+  const trailerPlayer = document.querySelector('.youtubePlayerContainer');
+  const isDashboard = document.body.classList.contains('dashboardDocument');
+  const hasUserMenu = document.querySelector('#app-user-menu');
+
+  // hide halloween if video/trailer player is active or dashboard is visible
+  if (videoPlayer || trailerPlayer || isDashboard || hasUserMenu) {
+    halloweenContainer.style.display = 'none'; // hide halloween
+    if (!msgPrinted) {
+      console.log('Halloween hidden');
+      msgPrinted = true;
+    }
+  } else {
+    halloweenContainer.style.display = 'block'; // show halloween
+    if (msgPrinted) {
+      console.log('Halloween visible');
+      msgPrinted = false;
+    }
+  }
+}
+
+// observe changes in the DOM
+const observer = new MutationObserver(toggleHalloween);
+
+// start observation
+observer.observe(document.body, {
+  childList: true,    // observe adding/removing of child elements
+  subtree: true,      // observe all levels of the DOM tree
+  attributes: true    // observe changes to attributes (e.g. class changes)
+});
+
+
+const images = [
+  "./seasonals/halloween_images/ghost_20x20.png",
+  "./seasonals/halloween_images/bat_20x20.png",
+  "./seasonals/halloween_images/pumpkin_20x20.png",
+];
+
+// remove commented out image array to enable test site working, comment out above images array for that
+/*
+const images = [
+  "./images/ghost_20x20.png",
+  "./images/bat_20x20.png",
+  "./images/pumpkin_20x20.png",
+];
+*/
+
+function addRandomSymbols(count) {
+  const halloweenContainer = document.querySelector('.halloween-container'); // get the halloween container
+  if (!halloweenContainer) return; // exit if halloween container is not found
+
+  console.log('Adding random halloween symbols');
+
+
+  for (let i = 0; i < count; i++) {
+    // create a new halloween elements
+    const halloweenDiv = document.createElement("div");
+    halloweenDiv.className = "halloween";
+
+    // pick a random halloween symbol
+    const imageSrc = images[Math.floor(Math.random() * images.length)];
+    const img = document.createElement("img");
+    img.src = imageSrc;
+
+    halloweenDiv.appendChild(img);
+
+
+    // set random horizontal position, animation delay and size(uncomment lines to enable) 
+    const randomLeft = Math.random() * 100; // position (0% to 100%)
+    const randomAnimationDelay = Math.random() * 10; // delay (0s to 10s)
+    const randomAnimationDelay2 = Math.random() * 3; // delay (0s to 3s)
+
+    // apply styles
+    halloweenDiv.style.left = `${randomLeft}%`;
+    halloweenDiv.style.animationDelay = `${randomAnimationDelay}s, ${randomAnimationDelay2}s`;
+
+    // set random animation duration
+    if (enableDiffrentDuration) {
+      const randomAnimationDuration = Math.random() * 10 + 6; // delay (6s to 10s)
+      const randomAnimationDuration2 = Math.random() * 5 + 2; // delay (2s to 5s)
+      halloweenDiv.style.animationDuration = `${randomAnimationDuration}s, ${randomAnimationDuration2}s`;
+    }
+
+    // add the halloween to the container
+    halloweenContainer.appendChild(halloweenDiv);
+  }
+  console.log('Random halloween symbols added');
+}
+
+// create halloween objects
+function createHalloween() {
+  const container = document.querySelector('.halloween-container') || document.createElement("div");
+
+  if (!document.querySelector('.halloween-container')) {
+    container.className = "halloween-container";
+    container.setAttribute("aria-hidden", "true");
+    document.body.appendChild(container);
+  }
+
+  for (let i = 0; i < 4; i++) {
+    images.forEach(imageSrc => {
+      const halloweenDiv = document.createElement("div");
+      halloweenDiv.className = "halloween";
+
+      const img = document.createElement("img");
+      img.src = imageSrc;
+
+      // set random animation duration
+      if (enableDiffrentDuration) {
+        const randomAnimationDuration = Math.random() * 10 + 6; // delay (6s to 10s)
+        const randomAnimationDuration2 = Math.random() * 5 + 2; // delay (2s to 5s)
+        halloweenDiv.style.animationDuration = `${randomAnimationDuration}s, ${randomAnimationDuration2}s`;
+      }
+
+      halloweenDiv.appendChild(img);
+      container.appendChild(halloweenDiv);
+    });
+  }
+}
+
+// initialize halloween after the DOM is loaded
+document.addEventListener('DOMContentLoaded', () => {
+  if (!halloween) return; // exit if halloween is disabled
+  createHalloween();
+  toggleHalloween();
+
+  const screenWidth = window.innerWidth; // get the screen width to detect mobile devices
+  if (randomSymbols && (screenWidth > 768 || randomSymbolsMobile)) { // add random halloweens only on larger screens, unless enabled for mobile devices
+    addRandomSymbols(halloweenCount);
+  }
+});