Umbra-Bookshelf/theme/assets/js/social-share.js

// Copyright 2026 Umbra Tools (umbratools.com)
// SPDX-License-Identifier: Apache-2.0

/**
 * Social Share JavaScript
 *
 * @package BD_Murphy
 */
(function() {
    'use strict';

    var shareContainer = document.querySelector('.social-share-buttons');
    if (!shareContainer) {
        return;
    }

    // Copy link button
    var copyBtn = shareContainer.querySelector('.share-copy');
    if (copyBtn) {
        copyBtn.addEventListener('click', function() {
            var url = copyBtn.dataset.url;
            if (navigator.clipboard && navigator.clipboard.writeText) {
                navigator.clipboard.writeText(url).then(function() {
                    showToast('Link copied to clipboard!');
                }).catch(function() {
                    fallbackCopy(url);
                });
            } else {
                fallbackCopy(url);
            }
        });
    }

    function fallbackCopy(text) {
        var textArea = document.createElement('textarea');
        textArea.value = text;
        textArea.style.position = 'fixed';
        textArea.style.left = '-9999px';
        textArea.style.top = '-9999px';
        document.body.appendChild(textArea);
        textArea.focus();
        textArea.select();

        try {
            var successful = document.execCommand('copy');
            if (successful) {
                showToast('Link copied to clipboard!');
            } else {
                showToast('Failed to copy link');
            }
        } catch (err) {
            showToast('Failed to copy link');
        }

        document.body.removeChild(textArea);
    }

    function showToast(message) {
        var toast = document.createElement('div');
        toast.className = 'share-toast';
        toast.textContent = message;
        document.body.appendChild(toast);

        setTimeout(function() {
            toast.classList.add('show');
        }, 10);

        setTimeout(function() {
            toast.classList.remove('show');
            setTimeout(function() {
                if (toast.parentNode) {
                    document.body.removeChild(toast);
                }
            }, 300);
        }, 2000);
    }

    // Web Share API
    if (navigator.share) {
        var webShareBtn = shareContainer.querySelector('.share-webshare');
        if (webShareBtn) {
            webShareBtn.addEventListener('click', function(e) {
                e.preventDefault();
                var url = webShareBtn.dataset.url || window.location.href;
                var title = webShareBtn.dataset.title || document.title;

                navigator.share({
                    title: title,
                    url: url
                }).catch(function(err) {
                    if (err.name !== 'AbortError') {
                        console.log('Error sharing:', err);
                    }
                });
            });
        }
    }

    // Share button on book page
    var shareBtn = document.querySelector('.book-page-info .share-btn');
    if (shareBtn) {
        shareBtn.addEventListener('click', function() {
            var url = shareBtn.dataset.url || window.location.href;

            if (navigator.clipboard && navigator.clipboard.writeText) {
                navigator.clipboard.writeText(url).then(function() {
                    showToast('Link copied to clipboard!');
                }).catch(function() {
                    fallbackCopy(url);
                });
            } else {
                fallbackCopy(url);
            }
        });
    }

    // Format toggle
    var formatBtns = document.querySelectorAll('.format-btn');
    formatBtns.forEach(function(btn) {
        btn.addEventListener('click', function() {
            var format = btn.dataset.format;
            var container = btn.closest('.book-entry, .book-page-content, .book-retailer-links');

            if (!container) {
                return;
            }

            // Update active state
            container.querySelectorAll('.format-btn').forEach(function(b) {
                b.classList.remove('active');
                b.setAttribute('aria-selected', 'false');
            });
            btn.classList.add('active');
            btn.setAttribute('aria-selected', 'true');

            // Filter retailer links
            var retailerLinks = container.querySelectorAll('.book-retailer-links .retailer-link');
            retailerLinks.forEach(function(link) {
                var linkFormat = link.dataset.format;
                if (!linkFormat || linkFormat === format) {
                    link.style.display = '';
                } else {
                    link.style.display = 'none';
                }
            });
        });
    });

})();