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

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

const spring = config.EnableSpring !== undefined ? config.EnableSpring : true; 
const pollenCount = config.PollenCount || 15;
const sunbeamCount = config.SunbeamCount || 5;

const randomSpring = config.EnableRandomSpring !== undefined ? config.EnableRandomSpring : true; 
const randomSpringMobile = config.EnableRandomSpringMobile !== undefined ? config.EnableRandomSpringMobile : false; 
const enableDifferentDuration = config.EnableDifferentDuration !== undefined ? config.EnableDifferentDuration : true; 
const enableSunbeams = config.EnableSpringSunbeams !== undefined ? config.EnableSpringSunbeams : true;

let msgPrinted = false;

function toggleSpring() {
  const springContainer = document.querySelector('.spring-container');
  if (!springContainer) 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) {
    springContainer.style.display = 'none';
    if (!msgPrinted) {
      console.log('Spring hidden');
      msgPrinted = true;
    }
  } else {
    springContainer.style.display = 'block';
    if (msgPrinted) {
      console.log('Spring visible');
      msgPrinted = false;
    }
  }
}

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


function createPollen(container) {
    const pollen = document.createElement('div');
    pollen.classList.add('spring-pollen');
    
    const startY = Math.random() * 60 + 20; 
    pollen.style.top = `${startY}%`;
    pollen.style.left = `${Math.random() * 100}%`;
    
    const size = Math.random() * 3 + 1; 
    pollen.style.width = `${size}px`;
    pollen.style.height = `${size}px`;
    
    const duration = Math.random() * 20 + 20; 
    pollen.style.animationDuration = `${duration}s`;
    pollen.style.animationDelay = `-${Math.random() * 20}s`; 
    
    container.appendChild(pollen);
}

function createSunbeam(container) {
    if (!enableSunbeams) return;

    const beam = document.createElement('div');
    beam.classList.add('spring-sunbeam');
    
    const left = Math.random() * 100; // Spread across full width
    beam.style.left = `${left}%`;
    
    // Thinner beams as requested
    const width = Math.random() * 20 + 10; // 10-30px wide
    beam.style.width = `${width}px`;
    
    const rotate = Math.random() * 20 - 10 + 45; 
    beam.style.transform = `rotate(${rotate}deg)`;
    
    const duration = Math.random() * 10 + 10; 
    beam.style.animationDuration = `${duration}s`;
    beam.style.animationDelay = `-${Math.random() * 10}s`;
    
    container.appendChild(beam);
}

function createGrass(container) {
    let grassContainer = container.querySelector('.spring-grass-container');
    if (!grassContainer) {
        grassContainer = document.createElement('div');
        grassContainer.className = 'spring-grass-container';
        container.appendChild(grassContainer);
    }
    
    // Clear existing grass if any (for resize)
    grassContainer.innerHTML = '';
    
    // More grass: 1 blade every 3px (was 15px)
    const bladeCount = window.innerWidth / 3; 
    for (let i = 0; i < bladeCount; i++) {
        const blade = document.createElement('div');
        blade.classList.add('spring-grass');
        
        const height = Math.random() * 40 + 20; // 20-60px height
        blade.style.height = `${height}px`;
        blade.style.left = `${i * 3 + Math.random() * 2}px`;
        
        const duration = Math.random() * 2 + 3; 
        blade.style.animationDuration = `${duration}s`;
        blade.style.animationDelay = `-${Math.random() * 5}s`;
        
        const hue = 100 + Math.random() * 40; 
        blade.style.backgroundColor = `hsl(${hue}, 60%, 40%)`;
        
        grassContainer.appendChild(blade);
    }
}

function initSpringObjects() {
    let container = document.querySelector('.spring-container');
    if (!container) {
        container = document.createElement("div");
        container.className = "spring-container";
        container.setAttribute("aria-hidden", "true");
        document.body.appendChild(container);
    }
    
    createGrass(container);
    
    if (enableSunbeams) {
        // Initial sunbeams
        for (let i = 0; i < sunbeamCount; i++) {
            createSunbeam(container);
        }
    }
}

function initializeSpring() {
    if (!spring) return;
    initSpringObjects();
    toggleSpring();

    const screenWidth = window.innerWidth;
    if (randomSpring && (screenWidth > 768 || randomSpringMobile)) {
        addRandomSpringObjects();
    }
}

// Debounce helper
function debounce(func, wait) {
    let timeout;
    return function executedFunction(...args) {
        const later = () => {
            clearTimeout(timeout);
            func(...args);
        };
        clearTimeout(timeout);
        timeout = setTimeout(later, wait);
    };
}

// Resize handler for grass
const handleResize = debounce(() => {
    const container = document.querySelector('.spring-container');
    if (container) {
        createGrass(container);
    }
}, 250);

window.addEventListener('resize', handleResize);

initializeSpring();