// Wait for DOM to be fully loaded
document.addEventListener('DOMContentLoaded', function () {

    // State
    let noClickCount = 0;
    let yesButtonScale = 1;

    // Creative messages when clicking "No"
    const noMessages = [
        "Are you sure? 🥺",
        "Really? Think again! 💭",
        "But... but... 😢",
        "You're breaking my heart! 💔",
        "Please reconsider? 🙏",
        "I'll give you chocolate! 🍫",
        "What if I say pretty please? 🥹",
        "The Yes button is getting bigger... notice? 👀",
        "I'll be sad forever... 😭",
        "Just one chance? 🎯",
        "I promise to be awesome! ⭐",
        "You're making the teddy bear cry! 🧸💧",
        "Even the flowers are wilting... 💐😔",
        "My heart is doing backflips of sadness! 🤸‍♂️💔",
        "The universe wants you to say yes! 🌌",
        "I'll write you poetry! 📝✨",
        "I'll serenade you! 🎵🎤",
        "Fine, I'll do the dishes for a month! 🍽️",
        "I'll let you pick all the movies! 🎬",
        "Okay seriously, just click Yes already! 😤",
        "The No button is getting tired... 😴",
        "Even my grandma thinks you should say yes! 👵",
        "I'll give you my Netflix password! 📺",
        "The stars are aligning for a YES! ⭐✨",
        "This is your sign to click YES! 🪧",
        "I'll buy you pizza! 🍕",
        "Come on, you know you want to! 😏",
        "The Yes button misses you! 💚",
        "I'll teach you my secret cookie recipe! 🍪",
        "Fine, you can have the last slice! 🍰",
        "I'm running out of creative messages... 😅",
        "Seriously though... please? 🥺👉👈",
        "The No button doesn't even work anymore! 🚫",
        "You've unlocked: Persistent Mode! 🔓",
        "I'll never give up! Never! 💪",
        "This is like the 100th no... just say yes! 💯",
        "The teddy bear is packing its bags... 🧳🧸",
        "Okay, you win... JK! Keep trying! 😜",
        "Plot twist: There is no No button! 🎭",
        "You're really testing my patience here! ⏰",
        "The Yes button is HUGE now! How can you resist? 🎯",
        "I'll name a star after you! ⭐",
        "Fine, I'll do your laundry too! 👕",
        "This is getting ridiculous... just say yes! 🤦",
        "The No button is having an existential crisis! 🤔",
        "Even the code is begging you to click Yes! 💻",
        "I'll give you unlimited hugs! 🤗",
        "The universe is literally expanding the Yes button! 🌍",
        "You're more stubborn than a mule! 🐴",
        "Okay fine, you can have my fries! 🍟"
    ];

    // DOM Elements
    const yesBtn = document.getElementById('yesBtn');
    const noBtn = document.getElementById('noBtn');
    const phrase = document.getElementById('phrase');
    const questionScreen = document.getElementById('questionScreen');
    const successScreen = document.getElementById('successScreen');
    const attemptCounter = document.getElementById('attemptCounter');
    const replayBtn = document.getElementById('replayBtn');
    const statsMessage = document.getElementById('statsMessage');
    const copyBtn = document.getElementById('copyBtn');
    const shareUrl = document.getElementById('shareUrl');
    const sparkleCanvas = document.getElementById('sparkleCanvas');

    // Initialize
    init();

    function init() {
        // Set up canvas
        sparkleCanvas.width = window.innerWidth;
        sparkleCanvas.height = window.innerHeight;

        // Create floating hearts
        createFloatingHearts();

        // Set share URL
        shareUrl.value = window.location.href;

        // Event listeners
        yesBtn.addEventListener('click', handleYesClick);
        noBtn.addEventListener('click', handleNoClick);
        replayBtn.addEventListener('click', resetGame);
        copyBtn.addEventListener('click', copyShareLink);

        // Sparkle effect on mouse move
        document.addEventListener('mousemove', createSparkle);

        // Resize canvas on window resize
        window.addEventListener('resize', () => {
            sparkleCanvas.width = window.innerWidth;
            sparkleCanvas.height = window.innerHeight;
        });
    }

    function handleYesClick() {
        // Play celebration sound
        playCelebrationSound();

        // Add explosion effect on button
        createButtonExplosion(yesBtn);

        // Screen shake effect
        document.body.classList.add('screen-shake');
        setTimeout(() => document.body.classList.remove('screen-shake'), 500);

        // Hide question screen
        questionScreen.classList.remove('active');

        // Show success screen with animation
        setTimeout(() => {
            successScreen.classList.add('active');
            createConfetti();
            createFireworks();
            createHeartExplosion();

            // Show stats
            if (noClickCount > 0) {
                statsMessage.textContent = `It took ${noClickCount} "No" click${noClickCount > 1 ? 's' : ''} before you said yes! 😄`;
            } else {
                statsMessage.textContent = "You said yes right away! You're amazing! 🌟";
            }
        }, 300);
    }

    function handleNoClick() {
        noClickCount++;

        // Update counter
        attemptCounter.textContent = `No clicks: ${noClickCount}`;

        // Show message
        const messageIndex = Math.min(noClickCount - 1, noMessages.length - 1);
        phrase.textContent = noMessages[messageIndex];
        phrase.classList.add('shake');
        setTimeout(() => phrase.classList.remove('shake'), 500);

        // Make Yes button bigger
        yesButtonScale += 0.1;
        yesBtn.style.transform = `scale(${yesButtonScale})`;

        // Make No button smaller and move it
        const newSize = Math.max(0.5, 1 - (noClickCount * 0.05));
        noBtn.style.transform = `scale(${newSize})`;

        // Move No button to random position after 5 clicks
        if (noClickCount >= 5) {
            moveNoButton();
        }

        // Make No button harder to click after 10 clicks
        if (noClickCount >= 10) {
            noBtn.addEventListener('mouseenter', dodgeButton);
        }
    }

    function moveNoButton() {
        const container = document.querySelector('.button-container');
        const containerRect = container.getBoundingClientRect();
        const btnRect = noBtn.getBoundingClientRect();

        const maxX = containerRect.width - btnRect.width;
        const maxY = containerRect.height - btnRect.height;

        const randomX = Math.random() * maxX;
        const randomY = Math.random() * maxY;

        noBtn.style.position = 'absolute';
        noBtn.style.left = `${randomX}px`;
        noBtn.style.top = `${randomY}px`;
    }

    function dodgeButton() {
        const container = document.querySelector('.button-container');
        const containerRect = container.getBoundingClientRect();

        const randomX = Math.random() * (containerRect.width - 100);
        const randomY = Math.random() * (containerRect.height - 50);

        noBtn.style.left = `${randomX}px`;
        noBtn.style.top = `${randomY}px`;
    }

    function resetGame() {
        noClickCount = 0;
        yesButtonScale = 1;

        // Reset UI
        phrase.textContent = '';
        attemptCounter.textContent = '';
        yesBtn.style.transform = 'scale(1)';
        noBtn.style.transform = 'scale(1)';
        noBtn.style.position = 'relative';
        noBtn.style.left = 'auto';
        noBtn.style.top = 'auto';
        noBtn.removeEventListener('mouseenter', dodgeButton);

        // Switch screens
        successScreen.classList.remove('active');
        setTimeout(() => {
            questionScreen.classList.add('active');
        }, 300);
    }

    function createFloatingHearts() {
        const heartsBackground = document.getElementById('heartsBackground');
        const heartEmojis = ['💕', '💖', '💗', '💓', '💝', '❤️', '🧡', '💛', '💚', '💙', '💜'];

        for (let i = 0; i < 15; i++) {
            const heart = document.createElement('div');
            heart.className = 'floating-heart';
            heart.textContent = heartEmojis[Math.floor(Math.random() * heartEmojis.length)];
            heart.style.left = `${Math.random() * 100}%`;
            heart.style.animationDuration = `${10 + Math.random() * 10}s`;
            heart.style.animationDelay = `${Math.random() * 5}s`;
            heart.style.fontSize = `${20 + Math.random() * 20}px`;
            heartsBackground.appendChild(heart);
        }
    }

    function createSparkle(e) {
        const ctx = sparkleCanvas.getContext('2d');
        const x = e.clientX;
        const y = e.clientY;

        // Random sparkle properties
        const size = Math.random() * 3 + 1;
        const life = 30;

        drawSparkle(ctx, x, y, size, life);
    }

    function drawSparkle(ctx, x, y, size, life) {
        if (life <= 0) return;

        ctx.fillStyle = `rgba(255, ${100 + life * 5}, ${150 + life * 3}, ${life / 30})`;
        ctx.beginPath();
        ctx.arc(x, y, size, 0, Math.PI * 2);
        ctx.fill();

        setTimeout(() => {
            ctx.clearRect(x - size - 1, y - size - 1, size * 2 + 2, size * 2 + 2);
            drawSparkle(ctx, x, y, size, life - 1);
        }, 50);
    }

    function createConfetti() {
        const duration = 3000;
        const animationEnd = Date.now() + duration;
        const colors = ['#ff0000', '#00ff00', '#0000ff', '#ffff00', '#ff00ff', '#00ffff'];

        const confettiInterval = setInterval(() => {
            const timeLeft = animationEnd - Date.now();

            if (timeLeft <= 0) {
                clearInterval(confettiInterval);
                return;
            }

            const particleCount = 3;

            for (let i = 0; i < particleCount; i++) {
                const particle = document.createElement('div');
                particle.className = 'confetti';
                particle.style.left = `${Math.random() * 100}%`;
                particle.style.backgroundColor = colors[Math.floor(Math.random() * colors.length)];
                particle.style.animationDuration = `${Math.random() * 2 + 1}s`;
                document.body.appendChild(particle);

                setTimeout(() => particle.remove(), 3000);
            }
        }, 50);
    }

    function copyShareLink() {
        shareUrl.select();
        shareUrl.setSelectionRange(0, 99999); // For mobile devices

        navigator.clipboard.writeText(shareUrl.value).then(() => {
            const originalText = copyBtn.textContent;
            copyBtn.textContent = 'Copied! ✓';
            copyBtn.style.backgroundColor = '#10b981';

            setTimeout(() => {
                copyBtn.textContent = originalText;
                copyBtn.style.backgroundColor = '';
            }, 2000);
        });
    }

    // Play celebration sound/song
    function playCelebrationSound() {
        try {
            const loveSong = document.getElementById('loveSong');
            
            // Reset and play the song
            if (loveSong) {
                loveSong.currentTime = 0; // Start from beginning
                loveSong.volume = 0.7; // Set volume to 70%
                
                // Play the song
                const playPromise = loveSong.play();
                
                if (playPromise !== undefined) {
                    playPromise
                        .then(() => {
                            console.log('Love song playing!');
                        })
                        .catch(error => {
                            console.log('Auto-play prevented:', error);
                            // Fallback to simple tones if song can't play
                            playFallbackTones();
                        });
                }
            } else {
                // Fallback if audio element not found
                playFallbackTones();
            }
        } catch (e) {
            console.log('Audio error:', e);
            playFallbackTones();
        }
    }
    
    // Fallback function for simple tones (if song fails to play)
    function playFallbackTones() {
        try {
            const audioContext = new (window.AudioContext || window.webkitAudioContext)();

            // Create a series of happy notes
            const notes = [523.25, 659.25, 783.99, 1046.50]; // C5, E5, G5, C6

            notes.forEach((frequency, index) => {
                const oscillator = audioContext.createOscillator();
                const gainNode = audioContext.createGain();

                oscillator.connect(gainNode);
                gainNode.connect(audioContext.destination);

                oscillator.frequency.value = frequency;
                oscillator.type = 'sine';

                const startTime = audioContext.currentTime + (index * 0.1);
                const duration = 0.3;

                gainNode.gain.setValueAtTime(0.3, startTime);
                gainNode.gain.exponentialRampToValueAtTime(0.01, startTime + duration);

                oscillator.start(startTime);
                oscillator.stop(startTime + duration);
            });
        } catch (e) {
            console.log('Fallback audio not supported');
        }
    }

    // Create button explosion effect
    function createButtonExplosion(button) {
        const rect = button.getBoundingClientRect();
        const centerX = rect.left + rect.width / 2;
        const centerY = rect.top + rect.height / 2;

        for (let i = 0; i < 20; i++) {
            const particle = document.createElement('div');
            particle.className = 'explosion-particle';
            particle.style.left = centerX + 'px';
            particle.style.top = centerY + 'px';

            const angle = (Math.PI * 2 * i) / 20;
            const velocity = 100 + Math.random() * 100;
            const tx = Math.cos(angle) * velocity;
            const ty = Math.sin(angle) * velocity;

            particle.style.setProperty('--tx', tx + 'px');
            particle.style.setProperty('--ty', ty + 'px');

            document.body.appendChild(particle);

            setTimeout(() => particle.remove(), 1000);
        }
    }

    // Create fireworks effect
    function createFireworks() {
        const colors = ['#ff0000', '#ff4d6d', '#ff758f', '#ffd700', '#ff69b4', '#ff1493'];

        for (let i = 0; i < 5; i++) {
            setTimeout(() => {
                const x = Math.random() * window.innerWidth;
                const y = Math.random() * (window.innerHeight / 2);

                for (let j = 0; j < 30; j++) {
                    const particle = document.createElement('div');
                    particle.className = 'firework-particle';
                    particle.style.left = x + 'px';
                    particle.style.top = y + 'px';
                    particle.style.backgroundColor = colors[Math.floor(Math.random() * colors.length)];

                    const angle = (Math.PI * 2 * j) / 30;
                    const velocity = 50 + Math.random() * 100;
                    const tx = Math.cos(angle) * velocity;
                    const ty = Math.sin(angle) * velocity;

                    particle.style.setProperty('--tx', tx + 'px');
                    particle.style.setProperty('--ty', ty + 'px');

                    document.body.appendChild(particle);

                    setTimeout(() => particle.remove(), 1500);
                }
            }, i * 300);
        }
    }

    // Create heart explosion effect
    function createHeartExplosion() {
        const hearts = ['💕', '💖', '💗', '💓', '💝', '❤️'];

        for (let i = 0; i < 15; i++) {
            setTimeout(() => {
                const heart = document.createElement('div');
                heart.className = 'heart-burst';
                heart.textContent = hearts[Math.floor(Math.random() * hearts.length)];
                heart.style.left = '50%';
                heart.style.top = '50%';
                heart.style.fontSize = (20 + Math.random() * 30) + 'px';

                const angle = (Math.PI * 2 * i) / 15;
                const distance = 200 + Math.random() * 200;
                const tx = Math.cos(angle) * distance;
                const ty = Math.sin(angle) * distance;

                heart.style.setProperty('--tx', tx + 'px');
                heart.style.setProperty('--ty', ty + 'px');

                document.body.appendChild(heart);

                setTimeout(() => heart.remove(), 2000);
            }, i * 50);
        }
    }

}); // End of DOMContentLoaded