Jellyfin-Seasonals-Plugin/Jellyfin.Plugin.Seasonals/Web/birthday.js

const config = window.SeasonalsPluginConfig?.Birthday || {};

const birthday = config.EnableBirthday !== undefined ? config.EnableBirthday : true;
const symbolCount = config.SymbolCount || 25;
const useRandomSymbols = config.EnableRandomSymbols !== undefined ? config.EnableRandomSymbols : true;
const enableRandomMobile = config.EnableRandomSymbolsMobile !== undefined ? config.EnableRandomSymbolsMobile : false;
const enableDifferentDuration = config.EnableDifferentDuration !== undefined ? config.EnableDifferentDuration : true;

let msgPrinted = false;

function toggleBirthday() {
  const container = document.querySelector('.birthday-container');
  if (!container) 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');

  if (videoPlayer || trailerPlayer || isDashboard || hasUserMenu) {
    container.style.display = 'none';
    if (!msgPrinted) {
      console.log('Birthday hidden');
      msgPrinted = true;
    }
  } else {
    container.style.display = 'block';
    if (msgPrinted) {
      console.log('Birthday visible');
      msgPrinted = false;
    }
  }
}

const observer = new MutationObserver(toggleBirthday);
observer.observe(document.body, {
  childList: true,
  subtree: true,
  attributes: true
});

function createBirthday() {
    const container = document.querySelector('.birthday-container') || document.createElement('div');

    if (!document.querySelector('.birthday-container')) {
        container.className = 'birthday-container';
        container.setAttribute("aria-hidden", "true");
        document.body.appendChild(container);
    }

    // Spawn Birthday Cake at the bottom
    const cake = document.createElement('div');
    cake.className = 'birthday-cake';
    let cakeImg = document.createElement('img');
    cakeImg.src = `../Seasonals/Resources/birthday_images/cake.png`;
    cakeImg.onerror = function() {
        this.style.display = 'none';
        this.parentElement.innerHTML = '🎂';
    };
    cake.appendChild(cakeImg);
    container.appendChild(cake);

    const standardCount = 15;
    const totalSymbols = symbolCount + standardCount;
    
    let isMobile = window.matchMedia("only screen and (max-width: 768px)").matches;
    let finalCount = totalSymbols;

    if (isMobile) {
        finalCount = enableRandomMobile ? totalSymbols : standardCount;
    }

    const useRandomDuration = enableDifferentDuration !== false;

    // We'll treat balloons and gifts as rising symbols
    const activeItems = ['balloon_red', 'balloon_blue', 'balloon_yellow', 'gift'];

    for (let i = 0; i < finalCount; i++) {
        let symbol = document.createElement('div');
        
        const randomItem = activeItems[Math.floor(Math.random() * activeItems.length)];
        symbol.className = `birthday-symbol birthday-${randomItem}`;

        let img = document.createElement('img');
        img.src = `../Seasonals/Resources/birthday_images/${randomItem}.png`;
        img.onerror = function() {
            this.style.display = 'none';
            this.parentElement.innerHTML = getBirthdayEmojiFallback(randomItem);
        };
        symbol.appendChild(img);

        const leftPos = Math.random() * 95;
        const delaySeconds = Math.random() * 10;
        
        let durationSeconds = 9;
        if (useRandomDuration) {
            durationSeconds = Math.random() * 5 + 7; // 7 to 12 seconds
        }

        const startRot = (Math.random() * 20) - 10; // -10 to +10 spread
        symbol.style.setProperty('--start-rot', `${startRot}deg`);

        symbol.style.left = `${leftPos}vw`;
        symbol.style.animationDuration = `${durationSeconds}s`;
        symbol.style.animationDelay = `${delaySeconds}s`;

        container.appendChild(symbol);
    }

    // Party Confetti
    const confettiColors = ['#e6194b', '#3cb44b', '#ffe119', '#4363d8', '#f58231', '#911eb4', '#46f0f0', '#f032e6', '#bcf60c', '#fabebe', '#008080', '#e6beff', '#9a6324', '#fffac8', '#800000', '#aaffc3', '#808000', '#ffd8b1', '#000075', '#808080', '#ffffff', '#000000'];
    const confettiCount = isMobile ? 40 : 80;
    
    for (let i = 0; i < confettiCount; i++) {
        let confetti = document.createElement('div');
        confetti.className = 'birthday-confetti';
        
        const color = confettiColors[Math.floor(Math.random() * confettiColors.length)];
        confetti.style.backgroundColor = color;
        
        const leftPos = Math.random() * 100;
        const delaySeconds = Math.random() * 8;
        const duration = Math.random() * 3 + 4;

        confetti.style.left = `${leftPos}vw`;
        confetti.style.animationDuration = `${duration}s`;
        confetti.style.animationDelay = `${delaySeconds}s`;

        container.appendChild(confetti);
    }
}

function getBirthdayEmojiFallback(type) {
    if (type.startsWith('balloon')) return '🎈';
    if (type === 'gift') return '🎁';
    return '';
}

function initializeBirthday() {
  if (!birthday) return;
  createBirthday();
  toggleBirthday();
}

initializeBirthday();