const randomSnowflakes = false; // enable random Snowflakes
const snowflakeCount = 25; // count of random extra snowflakes


let msgPrinted = false; // flag to prevent multiple console messages

// function to check and control the snowflakes
function toggleSnowflakes() {
  const snowflakeContainer = document.querySelector('.snowflakes');
  if (!snowflakeContainer) 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 snowflakes if video/trailer player is active or dashboard is visible
  if (videoPlayer || trailerPlayer || isDashboard || hasUserMenu) {
    snowflakeContainer.style.display = 'none'; // hide snowflakes
    if (!msgPrinted) {
      console.log('Snowflakes hidden');
      msgPrinted = true;
    }
  } else {
    snowflakeContainer.style.display = 'block'; // show snowflakes
    if (msgPrinted) {
      console.log('Snowflakes visible');
      msgPrinted = false;
    }
  }
}

// observe changes in the DOM
const observer = new MutationObserver(toggleSnowflakes);

// 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)
});

function addRandomSnowflakes(count) {
  const snowflakeContainer = document.querySelector('.snowflakes'); // get the snowflake container
  if (!snowflakeContainer) return; // exit if snowflake container is not found
  
  console.log('Adding random snowflakes');

  const snowflakeSymbols = ['❅', '❆', '❄']; // some snowflake symbols

  for (let i = 0; i < count; i++) {
    // create a new snowflake element
    const snowflake = document.createElement('div');
    snowflake.classList.add('snowflake');

    // pick a random snowflake symbol
    snowflake.textContent = snowflakeSymbols[Math.floor(Math.random() * snowflakeSymbols.length)];

    // set random horizontal position, animation delay and size(uncomment lines to enable) 
    const randomLeft = Math.random() * 100; // position (0% to 100%)
    //const randomSize = Math.random() * 1.5 + 0.5; // size (0.5em to 2em) //uncomment to enable random size
    const randomAnimationDelay = Math.random() * 8; // delay (0s to 8s)
    const randomAnimationDelay2 = Math.random() * 5; // delay (0s to 5s)

    // apply styles
    snowflake.style.left = `${randomLeft}%`;
    //snowflake.style.fontSize = `${randomSize}em`; //uncomment to enable random size
    snowflake.style.animationDelay = `${randomAnimationDelay}s, ${randomAnimationDelay2}s`;

    // add the snowflake to the container
    snowflakeContainer.appendChild(snowflake);
  }
  console.log('Random snowflakes added');
}

// initialize snowflakes and add random snowflakes after the DOM is loaded
document.addEventListener('DOMContentLoaded', () => {
  toggleSnowflakes();
  const screenWidth = window.innerWidth;

  if (randomSnowflakes && screenWidth > 768) { // add random snowflakes only on larger screens
      addRandomSnowflakes(snowflakeCount);
  }
});