/* ============================================
   KBdmly Community - 2007 Retro Web JavaScript
   Interactive Features & Animations
   ============================================ */

// ============================================
// HIT COUNTER - Classic 2007 Feature!
// ============================================
function initCounter() {
    const counterEl = document.getElementById('counter');
    if (!counterEl) return;
    
    // Get or initialize counter
    let count = localStorage.getItem('siteVisitorCount');
    
    if (!count) {
        // First visit ever - set a base number to look popular
        count = Math.floor(Math.random() * 5000) + 10000; // Start between 10,000-15,000
        localStorage.setItem('siteVisitorCount', count);
    } else {
        count = parseInt(count) + 1;
        localStorage.setItem('siteVisitorCount', count);
    }
    
    // Animate counter counting up
    animateCounter(counterEl, 0, count, 2000);
}

function animateCounter(element, start, end, duration) {
    const startTime = performance.now();
    
    function update(currentTime) {
        const elapsed = currentTime - startTime;
        const progress = Math.min(elapsed / duration, 1);
        
        // Easing function for smooth animation
        const easeOut = 1 - Math.pow(1 - progress, 3);
        const current = Math.floor(start + (end - start) * easeOut);
        
        element.textContent = current.toString().padStart(6, '0');
        
        if (progress < 1) {
            requestAnimationFrame(update);
        }
    }
    
    requestAnimationFrame(update);
}

// ============================================
// SPARKLE CURSOR TRAIL
// ============================================
function initSparkles() {
    const sparklesContainer = document.getElementById('sparkles');
    if (!sparklesContainer) return;
    
    const sparkleEmojis = ['✨', '⭐', '💫', '🌟', '✦', '★', '☆'];
    
    document.addEventListener('mousemove', (e) => {
        // Only create sparkle occasionally for performance
        if (Math.random() > 0.85) {
            createSparkle(e.clientX, e.clientY, sparklesContainer, sparkleEmojis);
        }
    });
}

function createSparkle(x, y, container, emojis) {
    const sparkle = document.createElement('span');
    sparkle.className = 'sparkle';
    sparkle.textContent = emojis[Math.floor(Math.random() * emojis.length)];
    sparkle.style.left = x + 'px';
    sparkle.style.top = y + 'px';
    container.appendChild(sparkle);
    
    // Remove after animation
    setTimeout(() => {
        sparkle.remove();
    }, 1000);
}

// ============================================
// SHOUTBOX / GUESTBOOK FUNCTIONALITY
// ============================================
function initShoutbox() {
    const form = document.getElementById('shoutForm');
    const messagesContainer = document.getElementById('messagesContainer');
    
    if (!form || !messagesContainer) return;
    
    // Load saved messages
    loadMessages(messagesContainer);
    
    form.addEventListener('submit', (e) => {
        e.preventDefault();
        
        const nameInput = document.getElementById('msgName');
        const textInput = document.getElementById('msgText');
        
        const name = nameInput.value.trim();
        const text = textInput.value.trim();
        
        if (!name || !text) return;
        
        // Create new message
        const message = {
            name: name,
            text: text,
            time: new Date().toLocaleTimeString('id-ID', { hour: '2-digit', minute: '2-digit' }),
            timestamp: Date.now()
        };
        
        // Save to localStorage
        saveMessage(message);
        
        // Add to DOM
        addMessageToDOM(message, messagesContainer);
        
        // Clear form
        textInput.value = '';
        
        // Scroll to bottom
        messagesContainer.scrollTop = messagesContainer.scrollHeight;
        
        // Show success effect
        showPostSuccess(form);
    });
}

function saveMessage(message) {
    let messages = JSON.parse(localStorage.getItem('shoutboxMessages') || '[]');
    messages.push(message);
    
    // Keep only last 50 messages
    if (messages.length > 50) {
        messages = messages.slice(-50);
    }
    
    localStorage.setItem('shoutboxMessages', JSON.stringify(messages));
}

function loadMessages(container) {
    const messages = JSON.parse(localStorage.getItem('shoutboxMessages') || '[]');
    
    // Sort by timestamp
    messages.sort((a, b) => a.timestamp - b.timestamp);
    
    messages.forEach(msg => addMessageToDOM(msg, container));
}

function addMessageToDOM(message, container) {
    const messageDiv = document.createElement('div');
    messageDiv.className = 'message';
    
    // Random color class for variety
    const colors = ['member-name', 'new-member-name'];
    const randomColor = colors[Math.floor(Math.random() * colors.length)];
    
    messageDiv.innerHTML = `
        <span class="msg-name ${randomColor}">${escapeHtml(message.name)}</span>
        <span class="msg-time">${message.time}</span>
        <p class="msg-text">${escapeHtml(message.text)}</p>
    `;
    
    container.appendChild(messageDiv);
}

function escapeHtml(text) {
    const div = document.createElement('div');
    div.textContent = text;
    return div.innerHTML;
}

function showPostSuccess(form) {
    const btn = form.querySelector('.submit-btn');
    const originalText = btn.innerHTML;
    
    btn.innerHTML = '✅ Posted!';
    btn.style.background = 'linear-gradient(180deg, #00cc00 0%, #009900 100%)';
    
    setTimeout(() => {
        btn.innerHTML = originalText;
        btn.style.background = '';
    }, 1500);
}

// ============================================
// BACK TO TOP BUTTON
// ============================================
function initBackToTop() {
    const btn = document.getElementById('backToTop');
    if (!btn) return;
    
    window.addEventListener('scroll', () => {
        if (window.scrollY > 300) {
            btn.classList.add('visible');
        } else {
            btn.classList.remove('visible');
        }
    });
    
    btn.addEventListener('click', () => {
        window.scrollTo({
            top: 0,
            behavior: 'smooth'
        });
    });
}

// ============================================
// SMOOTH SCROLL FOR NAV LINKS
// ============================================
function initSmoothScroll() {
    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
        anchor.addEventListener('click', function(e) {
            e.preventDefault();
            const targetId = this.getAttribute('href');
            const targetElement = document.querySelector(targetId);
            
            if (targetElement) {
                targetElement.scrollIntoView({
                    behavior: 'smooth',
                    block: 'start'
                });
                
                // Update active nav state
                document.querySelectorAll('.nav-btn').forEach(btn => btn.classList.remove('active'));
                this.classList.add('active');
            }
        });
    });
}

// ============================================
// MEMBER COUNT ANIMATION
// ============================================
function initMemberCountAnimation() {
    const memberCountEl = document.getElementById('memberCount');
    if (!memberCountEl) return;
    
    const targetCount = 256 + Math.floor(Math.random() * 50); // Base + random
    
    // Animate on scroll into view
    const observer = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                animateNumber(memberCountEl, 0, targetCount, 1500);
                observer.unobserve(entry.target);
            }
        });
    }, { threshold: 0.5 });
    
    observer.observe(memberCountEl);
}

function animateNumber(element, start, end, duration) {
    const startTime = performance.now();
    
    function update(currentTime) {
        const elapsed = currentTime - startTime;
        const progress = Math.min(elapsed / duration, 1);
        const easeOut = 1 - Math.pow(1 - progress, 3);
        const current = Math.floor(start + (end - start) * easeOut);
        
        element.textContent = current;
        
        if (progress < 1) {
            requestAnimationFrame(update);
        }
    }
    
    requestAnimationFrame(update);
}

// ============================================
// RANDOM MEMBER STATUS CHANGES
// ============================================
function initMemberStatusSimulation() {
    const statuses = document.querySelectorAll('.member-status');
    
    setInterval(() => {
        statuses.forEach(status => {
            if (Math.random() > 0.7) { // 30% chance to change
                const options = ['online', 'away', 'offline'];
                const weights = [0.5, 0.3, 0.2]; // More likely online
                
                let random = Math.random();
                let newIndex = 0;
                
                for (let i = 0; i < weights.length; i++) {
                    random -= weights[i];
                    if (random <= 0) {
                        newIndex = i;
                        break;
                    }
                }
                
                status.className = 'member-status ' + options[newIndex];
                status.textContent = options[newIndex] === 'online' ? '● Online' :
                                    options[newIndex] === 'away' ? '● Away' : '● Offline';
            }
        });
    }, 5000); // Check every 5 seconds
}

// ============================================
// EASTER EGG - KONAMI CODE
// ============================================
function initEasterEgg() {
    const konamiCode = ['ArrowUp', 'ArrowUp', 'ArrowDown', 'ArrowDown', 
                         'ArrowLeft', 'ArrowRight', 'ArrowLeft', 'ArrowRight',
                         'b', 'a'];
    let konamiIndex = 0;
    
    document.addEventListener('keydown', (e) => {
        if (e.key === konamiCode[konamiIndex]) {
            konamiIndex++;
            
            if (konamiIndex === konamiCode.length) {
                activateEasterEgg();
                konamiIndex = 0;
            }
        } else {
            konamiIndex = 0;
        }
    });
}

function activateEasterEgg() {
    // Rainbow mode!
    document.body.style.animation = 'rainbow-bg 2s linear infinite';
    
    // Add rainbow keyframes dynamically
    const style = document.createElement('style');
    style.textContent = `
        @keyframes rainbow-bg {
            0% { filter: hue-rotate(0deg); }
            100% { filter: hue-rotate(360deg); }
        }
    `;
    document.head.appendChild(style);
    
    // Show alert in retro style
    setTimeout(() => {
        alert('🎉 SECRET UNLOCKED! 🎉\n\nYou found the Konami Code!\nYou are a TRUE 2007 web veteran!\n\n★☆★ CONGRATULATIONS! ★☆★');
    }, 100);
    
    // Remove after 10 seconds
    setTimeout(() => {
        document.body.style.animation = '';
    }, 10000);
}

// ============================================
// TYPING EFFECT FOR TAGLINE (Optional)
// ============================================
function initTypingEffect() {
    const tagline = document.querySelector('.tagline');
    if (!tagline) return;
    
    const originalText = tagline.textContent;
    tagline.textContent = '';
    
    let charIndex = 0;
    
    // Start typing after a short delay
    setTimeout(() => {
        typeCharacter();
    }, 1000);
    
    function typeCharacter() {
        if (charIndex < originalText.length) {
            tagline.textContent += originalText.charAt(charIndex);
            charIndex++;
            setTimeout(typeCharacter, 80);
        }
    }
}

// ============================================
// PARALLAX EFFECT ON HEADER
// ============================================
function initParallax() {
    const header = document.querySelector('.logo-section');
    if (!header) return;
    
    window.addEventListener('scroll', () => {
        const scrolled = window.scrollY;
        if (scrolled < 400) {
            header.style.backgroundPositionY = scrolled * 0.5 + 'px';
        }
    });
}

// ============================================
// INITIALIZE EVERYTHING ON DOM LOAD
// ============================================
document.addEventListener('DOMContentLoaded', () => {
    console.log('%c✦ KBdmly Community Website ✦', 'color: #00ffff; font-size: 20px; font-weight: bold; text-shadow: 0 0 10px #00ffff;');
    console.log('%cWelcome, fellow time traveler from 2007! 🚀', 'color: #ff00ff; font-size: 14px;');
    console.log('%cTry the Konami Code for a surprise! ⬆️⬆️⬇️⬇️⬅️➡️⬅️➡️BA', 'color: #ffcc00; font-size: 12px;');
    
    // Initialize all features
    initCounter();
    initSparkles();
    initShoutbox();
    initBackToTop();
    initSmoothScroll();
    initMemberCountAnimation();
    initMemberStatusSimulation();
    initEasterEgg();
    initTypingEffect();
    initParallax();
    
    // Add loaded class for entrance animations
    document.body.classList.add('loaded');
});

// ============================================
// ADDITIONAL VISUAL EFFECTS
// ============================================

// Randomly twinkle stars in title
function initStarTwinkle() {
    const stars = document.querySelectorAll('.star');
    
    setInterval(() => {
        stars.forEach(star => {
            if (Math.random() > 0.7) {
                star.style.transform = `scale(${1 + Math.random() * 0.5})`;
                star.style.color = ['#ffcc00', '#ff6600', '#ff00ff', '#00ffff'][Math.floor(Math.random() * 4)];
                
                setTimeout(() => {
                    star.style.transform = '';
                    star.style.color = '#ffcc00';
                }, 300);
            }
        });
    }, 800);
}

// Initialize star twinkle after load
setTimeout(initStarTwinkle, 2000);

// Hover sound effect simulation (visual feedback)
document.querySelectorAll('.nav-btn, .glossy-button, .big-join-btn').forEach(btn => {
    btn.addEventListener('mouseenter', () => {
        btn.style.transition = 'all 0.1s';
    });
});

// Console welcome message with ASCII art
console.log(`
%c╔══════════════════════════════════════╗
║                                      ║
║   ✦ KBdmly Community ✦              ║
║                                      ║
║   ~* Est. 2024 *~                     ║
║                                      ║
║   Welcome to our retro website!       ║
║                                      ║
╚══════════════════════════════════════╝
`, 'color: #00ff00; background: #001100; padding: 10px; font-family: monospace;');