// Custom JavaScript for Readur documentation

// Add copy button to code blocks
document.addEventListener('DOMContentLoaded', function() {
    // Initialize copy buttons for code blocks (if not already handled by theme)
    const codeBlocks = document.querySelectorAll('pre > code');
    
    codeBlocks.forEach(function(codeBlock) {
        // Check if copy button already exists
        if (codeBlock.parentElement.querySelector('.copy-button')) {
            return;
        }
        
        const button = document.createElement('button');
        button.className = 'copy-button';
        button.textContent = 'Copy';
        button.setAttribute('aria-label', 'Copy code to clipboard');
        
        button.addEventListener('click', function() {
            const code = codeBlock.textContent;
            navigator.clipboard.writeText(code).then(function() {
                button.textContent = 'Copied!';
                setTimeout(function() {
                    button.textContent = 'Copy';
                }, 2000);
            }).catch(function(err) {
                console.error('Failed to copy code: ', err);
            });
        });
        
        codeBlock.parentElement.style.position = 'relative';
        codeBlock.parentElement.appendChild(button);
    });
    
    // Smooth scroll for anchor links
    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
        anchor.addEventListener('click', function(e) {
            const href = this.getAttribute('href');
            if (href !== '#' && href !== '#!') {
                e.preventDefault();
                const target = document.querySelector(href);
                if (target) {
                    target.scrollIntoView({
                        behavior: 'smooth',
                        block: 'start'
                    });
                }
            }
        });
    });
    
    // Add external link indicators (without forcing new tab)
    const externalLinks = document.querySelectorAll('a[href^="http"]:not([href*="readur.app"])');
    externalLinks.forEach(link => {
        // Only add rel attribute for security, don't force target="_blank"
        link.setAttribute('rel', 'noopener noreferrer');
        link.classList.add('external-link');
    });
    
    // Track documentation page views (if analytics enabled)
    if (typeof gtag !== 'undefined') {
        gtag('event', 'page_view', {
            page_title: document.title,
            page_location: window.location.href,
            page_path: window.location.pathname
        });
    }
});

// Add keyboard shortcuts
document.addEventListener('keydown', function(e) {
    // Ctrl/Cmd + K for search
    if ((e.ctrlKey || e.metaKey) && e.key === 'k') {
        e.preventDefault();
        const searchInput = document.querySelector('.md-search__input');
        if (searchInput) {
            searchInput.focus();
        }
    }
    
    // Escape to close search
    if (e.key === 'Escape') {
        const searchInput = document.querySelector('.md-search__input');
        if (searchInput && document.activeElement === searchInput) {
            searchInput.blur();
        }
    }
});

// Custom console message
console.log(
    '%c Welcome to Readur Documentation! ',
    'background: #4051b5; color: white; padding: 5px 10px; border-radius: 3px;'
);
console.log(
    'Found an issue? Report it at https://github.com/readur/readur/issues'
);