// TrendBlitz Privacy Policy - Interactive Features

document.addEventListener('DOMContentLoaded', function() {
    // Set current date
    const currentDateEl = document.getElementById('currentDate');
    if (currentDateEl) {
        const now = new Date();
        const options = { year: 'numeric', month: 'long', day: 'numeric' };
        currentDateEl.textContent = now.toLocaleDateString('en-US', options);
    }

    // Set footer year
    const footerYearEl = document.getElementById('footerYear');
    if (footerYearEl) {
        footerYearEl.textContent = new Date().getFullYear();
    }

    // Theme toggle functionality
    const themeToggle = document.getElementById('themeToggle');
    const body = document.body;
    const html = document.documentElement;

    // Check for saved theme preference or default to 'light'
    const currentTheme = localStorage.getItem('theme') || 'light';
    if (currentTheme === 'dark') {
        html.classList.add('dark');
        body.classList.remove('bg-slate-50', 'text-slate-800');
        body.classList.add('bg-slate-900', 'text-slate-100');
        updateThemeIcon('dark');
    }

    themeToggle.addEventListener('click', function() {
        const isDark = html.classList.contains('dark');
        
        if (isDark) {
            // Switch to light
            html.classList.remove('dark');
            body.classList.remove('bg-slate-900', 'text-slate-100');
            body.classList.add('bg-slate-50', 'text-slate-800');
            localStorage.setItem('theme', 'light');
            updateThemeIcon('light');
        } else {
            // Switch to dark
            html.classList.add('dark');
            body.classList.remove('bg-slate-50', 'text-slate-800');
            body.classList.add('bg-slate-900', 'text-slate-100');
            localStorage.setItem('theme', 'dark');
            updateThemeIcon('dark');
        }

        // Re-initialize Feather icons after theme change
        if (typeof feather !== 'undefined') {
            feather.replace();
        }
    });

    function updateThemeIcon(theme) {
        const icon = themeToggle.querySelector('i');
        if (theme === 'dark') {
            icon.setAttribute('data-feather', 'sun');
        } else {
            icon.setAttribute('data-feather', 'moon');
        }
    }

    // Smooth scroll for anchor links with offset for fixed header
    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
        anchor.addEventListener('click', function(e) {
            e.preventDefault();
            const targetId = this.getAttribute('href');
            if (targetId === '#') return;
            
            const targetElement = document.querySelector(targetId);
            if (targetElement) {
                const headerOffset = 100;
                const elementPosition = targetElement.getBoundingClientRect().top;
                const offsetPosition = elementPosition + window.pageYOffset - headerOffset;

                window.scrollTo({
                    top: offsetPosition,
                    behavior: 'smooth'
                });
            }
        });
    });

    // Highlight active section in navigation
    const sections = document.querySelectorAll('section[id]');
    const navLinks = document.querySelectorAll('nav a[href^="#"]');

    function highlightActiveSection() {
        const scrollPos = window.scrollY + 150;

        sections.forEach(section => {
            const sectionTop = section.offsetTop;
            const sectionHeight = section.offsetHeight;
            const sectionId = section.getAttribute('id');

            if (scrollPos >= sectionTop && scrollPos < sectionTop + sectionHeight) {
                navLinks.forEach(link => {
                    link.classList.remove('bg-primary-100', 'text-primary-700');
                    if (link.getAttribute('href') === `#${sectionId}`) {
                        link.classList.add('bg-primary-100', 'text-primary-700');
                    }
                });
            }
        });
    }

    window.addEventListener('scroll', highlightActiveSection);

    // Intersection Observer for fade-in animations
    const observerOptions = {
        root: null,
        rootMargin: '0px',
        threshold: 0.1
    };

    const fadeInObserver = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                entry.target.classList.add('opacity-100', 'translate-y-0');
                entry.target.classList.remove('opacity-0', 'translate-y-4');
            }
        });
    }, observerOptions);

    // Observe all sections for fade-in effect
    document.querySelectorAll('section').forEach((section, index) => {
        section.classList.add('transition-all', 'duration-500', 'opacity-0', 'translate-y-4');
        section.style.transitionDelay = `${index * 50}ms`;
        fadeInObserver.observe(section);
    });

    // Copy email to clipboard functionality
    const emailLink = document.querySelector('a[href^="mailto:hello@moneyed28.com"]');
    if (emailLink) {
        emailLink.addEventListener('click', function(e) {
            // Don't prevent default, just add a subtle feedback
            const originalText = this.innerHTML;
            this.innerHTML = `<i data-feather="check" class="w-4 h-4"></i> Email copied!`;
            feather.replace();
            
            setTimeout(() => {
                this.innerHTML = originalText;
                feather.replace();
            }, 2000);
        });
    }

    // Keyboard navigation enhancement
    document.addEventListener('keydown', function(e) {
        // Press 'T' to toggle theme
        if (e.key === 't' && !e.ctrlKey && !e.metaKey && !e.altKey) {
            if (document.activeElement.tagName !== 'INPUT' && document.activeElement.tagName !== 'TEXTAREA') {
                themeToggle.click();
            }
        }
    });

    // Console easter egg
    console.log('%c🔒 TrendBlitz Privacy Policy', 'font-size: 20px; font-weight: bold; color: #6366f1;');
    console.log('%cYour privacy matters to us. Read our full policy at https://trendblitz.app/privacy', 'font-size: 12px; color: #64748b;');
});