jQuery(document).ready(function($) {
    'use strict';
    
    /**
     * Main WPDD Frontend Object
     */
    window.WPDD = {
        
        init: function() {
            this.bindEvents();
            this.initProductCards();
            this.initCheckout();
        },
        
        bindEvents: function() {
            // Add to cart buttons
            $(document).on('click', '.wpdd-add-to-cart', this.addToCart);
            
            // Free download buttons
            $(document).on('click', '.wpdd-free-download', this.processFreeDownload);
            
            // Product quickview
            $(document).on('click', '.wpdd-quickview', this.showQuickview);
            
            // Filter form submission
            $(document).on('submit', '.wpdd-filter-form', this.handleFilters);
            
            // Download status check
            $(document).on('click', '.wpdd-check-download', this.checkDownloadStatus);
            
            // Copy license key
            $(document).on('click', '.wpdd-copy-license', this.copyLicenseKey);
        },
        
        initProductCards: function() {
            // Add hover effects and animations
            $('.wpdd-product-card').each(function() {
                var $card = $(this);
                var $image = $card.find('.wpdd-product-image img');
                
                $card.hover(
                    function() {
                        $(this).addClass('hovered');
                    },
                    function() {
                        $(this).removeClass('hovered');
                    }
                );
            });
        },
        
        initCheckout: function() {
            // Free product checkout handler
            $('#wpdd-checkout-form').on('submit', function(e) {
                var $form = $(this);
                var isFree = $form.data('product-free') == '1';
                
                if (isFree) {
                    e.preventDefault();
                    WPDD.processFreeCheckout($form);
                }
            });
            
            // Price display toggle based on free checkbox
            $('#wpdd_is_free').on('change', function() {
                var $priceFields = $('.wpdd-price-field');
                if ($(this).is(':checked')) {
                    $priceFields.hide();
                } else {
                    $priceFields.show();
                }
            });
        },
        
        addToCart: function(e) {
            e.preventDefault();
            
            var $button = $(this);
            var productId = $button.data('product-id');
            
            if (!productId) {
                WPDD.showNotice('Invalid product', 'error');
                return;
            }
            
            $button.addClass('loading').prop('disabled', true);
            
            $.ajax({
                url: wpdd_ajax.url,
                type: 'POST',
                data: {
                    action: 'wpdd_add_to_cart',
                    product_id: productId,
                    nonce: wpdd_ajax.nonce
                },
                success: function(response) {
                    if (response.success) {
                        WPDD.showNotice(response.data.message, 'success');
                        
                        // Update cart count if element exists
                        $('.wpdd-cart-count').text(response.data.cart_count);
                        
                        // Show checkout button
                        if (response.data.checkout_url) {
                            $button.after('<a href="' + response.data.checkout_url + 
                                         '" class="wpdd-btn wpdd-btn-primary">Checkout</a>');
                        }
                    } else {
                        WPDD.showNotice(response.data, 'error');
                    }
                },
                error: function() {
                    WPDD.showNotice('An error occurred. Please try again.', 'error');
                },
                complete: function() {
                    $button.removeClass('loading').prop('disabled', false);
                }
            });
        },
        
        processFreeDownload: function(e) {
            e.preventDefault();
            
            var $button = $(this);
            var productId = $button.data('product-id');
            var $form = $button.closest('form');
            
            if (!productId) {
                WPDD.showNotice('Invalid product', 'error');
                return;
            }
            
            var customerEmail = $form.find('input[name="customer_email"]').val();
            var customerName = $form.find('input[name="customer_name"]').val();
            
            if (!customerEmail && !WPDD.isUserLoggedIn()) {
                WPDD.showNotice('Please provide your email address', 'error');
                return;
            }
            
            $button.addClass('loading').prop('disabled', true);
            
            $.ajax({
                url: wpdd_ajax.url,
                type: 'POST',
                data: {
                    action: 'wpdd_process_free_download',
                    product_id: productId,
                    customer_email: customerEmail,
                    customer_name: customerName,
                    nonce: wpdd_ajax.nonce
                },
                success: function(response) {
                    if (response.success) {
                        window.location.href = response.data.redirect_url;
                    } else {
                        WPDD.showNotice(response.data, 'error');
                    }
                },
                error: function() {
                    WPDD.showNotice('An error occurred. Please try again.', 'error');
                },
                complete: function() {
                    $button.removeClass('loading').prop('disabled', false);
                }
            });
        },
        
        processFreeCheckout: function($form) {
            var formData = $form.serialize();
            var $submitBtn = $form.find('button[type="submit"]');
            var productId = $form.find('input[name="product_id"]').val();
            
            $submitBtn.addClass('loading').prop('disabled', true);
            
            // Add visual feedback
            $submitBtn.text('Processing...');
            
            $.ajax({
                url: wpdd_ajax.url,
                type: 'POST',
                data: formData + '&action=wpdd_process_free_download&nonce=' + wpdd_ajax.nonce + '&product_id=' + productId,
                success: function(response) {
                    if (response.success) {
                        window.location.href = response.data.redirect_url;
                    } else {
                        WPDD.showNotice(response.data || 'Failed to process download', 'error');
                        $submitBtn.text('Get Free Download');
                    }
                },
                error: function(xhr, status, error) {
                    console.error('AJAX Error:', status, error);
                    WPDD.showNotice('An error occurred. Please try again.', 'error');
                    $submitBtn.text('Get Free Download');
                },
                complete: function() {
                    $submitBtn.removeClass('loading').prop('disabled', false);
                }
            });
        },
        
        showQuickview: function(e) {
            e.preventDefault();
            
            var productId = $(this).data('product-id');
            
            if (!productId) {
                return;
            }
            
            $.ajax({
                url: wpdd_ajax.url,
                type: 'POST',
                data: {
                    action: 'wpdd_get_product_details',
                    product_id: productId,
                    nonce: wpdd_ajax.nonce
                },
                success: function(response) {
                    if (response.success) {
                        WPDD.displayQuickview(response.data);
                    } else {
                        WPDD.showNotice('Unable to load product details', 'error');
                    }
                },
                error: function() {
                    WPDD.showNotice('An error occurred. Please try again.', 'error');
                }
            });
        },
        
        displayQuickview: function(product) {
            var modal = $('<div class="wpdd-modal"><div class="wpdd-modal-content"></div></div>');
            var content = '';
            
            content += '<div class="wpdd-modal-header">';
            content += '<h2>' + product.title + '</h2>';
            content += '<button class="wpdd-modal-close">&times;</button>';
            content += '</div>';
            
            content += '<div class="wpdd-modal-body">';
            if (product.thumbnail) {
                content += '<img src="' + product.thumbnail + '" alt="' + product.title + '" class="wpdd-modal-image">';
            }
            content += '<div class="wpdd-modal-details">';
            content += '<p class="wpdd-modal-price">';
            if (product.is_free) {
                content += '<span class="wpdd-price-free">Free</span>';
            } else {
                content += '<span class="wpdd-price-regular">$' + product.final_price + '</span>';
            }
            content += '</p>';
            content += '<p class="wpdd-modal-creator">by ' + product.creator.name + '</p>';
            content += '<div class="wpdd-modal-description">' + product.description + '</div>';
            content += '<p><strong>Files:</strong> ' + product.files_count + '</p>';
            content += '<p><strong>Download Limit:</strong> ' + product.download_limit + '</p>';
            content += '<p><strong>Expires:</strong> ' + product.download_expiry + '</p>';
            content += '</div>';
            content += '</div>';
            
            content += '<div class="wpdd-modal-footer">';
            content += '<a href="' + window.location.origin + '?product_id=' + product.id + 
                       '" class="wpdd-btn wpdd-btn-primary">View Details</a>';
            content += '</div>';
            
            modal.find('.wpdd-modal-content').html(content);
            $('body').append(modal);
            
            modal.addClass('active');
            
            // Close modal events
            modal.on('click', '.wpdd-modal-close, .wpdd-modal', function(e) {
                if (e.target === this) {
                    modal.removeClass('active');
                    setTimeout(function() {
                        modal.remove();
                    }, 300);
                }
            });
        },
        
        handleFilters: function(e) {
            // Let the form submit naturally for now
            // Could be enhanced with AJAX filtering
        },
        
        checkDownloadStatus: function(e) {
            e.preventDefault();
            
            var productId = $(this).data('product-id');
            var $button = $(this);
            
            if (!WPDD.isUserLoggedIn()) {
                WPDD.showNotice('Please login to check download status', 'error');
                return;
            }
            
            $button.addClass('loading');
            
            $.ajax({
                url: wpdd_ajax.url,
                type: 'POST',
                data: {
                    action: 'wpdd_check_download_status',
                    product_id: productId,
                    nonce: wpdd_ajax.nonce
                },
                success: function(response) {
                    if (response.success) {
                        var data = response.data;
                        if (data.can_download && data.download_url) {
                            window.location.href = data.download_url;
                        } else {
                            WPDD.showNotice(data.message, data.can_download ? 'success' : 'error');
                        }
                    } else {
                        WPDD.showNotice(response.data, 'error');
                    }
                },
                error: function() {
                    WPDD.showNotice('An error occurred. Please try again.', 'error');
                },
                complete: function() {
                    $button.removeClass('loading');
                }
            });
        },
        
        showNotice: function(message, type) {
            type = type || 'info';
            
            var notice = $('<div class="wpdd-notice wpdd-notice-' + type + '">' + 
                          '<p>' + message + '</p>' +
                          '<button class="wpdd-notice-dismiss">&times;</button>' +
                          '</div>');
            
            $('body').prepend(notice);
            
            notice.addClass('active');
            
            // Auto-dismiss after 5 seconds
            setTimeout(function() {
                notice.removeClass('active');
                setTimeout(function() {
                    notice.remove();
                }, 300);
            }, 5000);
            
            // Manual dismiss
            notice.find('.wpdd-notice-dismiss').on('click', function() {
                notice.removeClass('active');
                setTimeout(function() {
                    notice.remove();
                }, 300);
            });
        },
        
        isUserLoggedIn: function() {
            return $('body').hasClass('logged-in');
        },
        
        formatPrice: function(price) {
            return '$' + parseFloat(price).toFixed(2);
        },
        
        copyLicenseKey: function(e) {
            e.preventDefault();
            
            var $button = $(this);
            var licenseKey = $button.data('license');
            
            if (!licenseKey) {
                WPDD.showNotice('No license key to copy', 'error');
                return;
            }
            
            // Try to use the modern clipboard API
            if (navigator.clipboard && window.isSecureContext) {
                navigator.clipboard.writeText(licenseKey).then(function() {
                    WPDD.showNotice('License key copied to clipboard!', 'success');
                    $button.text('Copied!');
                    setTimeout(function() {
                        $button.text('Copy');
                    }, 2000);
                }).catch(function() {
                    WPDD.fallbackCopyTextToClipboard(licenseKey, $button);
                });
            } else {
                WPDD.fallbackCopyTextToClipboard(licenseKey, $button);
            }
        },
        
        fallbackCopyTextToClipboard: function(text, $button) {
            var textArea = document.createElement('textarea');
            textArea.value = text;
            textArea.style.position = 'fixed';
            textArea.style.left = '-999999px';
            textArea.style.top = '-999999px';
            document.body.appendChild(textArea);
            textArea.focus();
            textArea.select();
            
            try {
                var successful = document.execCommand('copy');
                if (successful) {
                    WPDD.showNotice('License key copied to clipboard!', 'success');
                    $button.text('Copied!');
                    setTimeout(function() {
                        $button.text('Copy');
                    }, 2000);
                } else {
                    WPDD.showNotice('Failed to copy license key', 'error');
                }
            } catch (err) {
                WPDD.showNotice('Failed to copy license key', 'error');
            }
            
            document.body.removeChild(textArea);
        }
    };
    
    // Initialize frontend functionality
    WPDD.init();
    
    // Add modal and notice styles if not already present
    if (!$('#wpdd-dynamic-styles').length) {
        var styles = `
            <style id="wpdd-dynamic-styles">
                .wpdd-modal {
                    display: flex;
                    position: fixed;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    background: rgba(0,0,0,0.8);
                    z-index: 999999;
                    opacity: 0;
                    visibility: hidden;
                    transition: all 0.3s;
                    align-items: center;
                    justify-content: center;
                }
                
                .wpdd-modal.active {
                    opacity: 1;
                    visibility: visible;
                }
                
                .wpdd-modal-content {
                    background: white;
                    max-width: 600px;
                    width: 90%;
                    max-height: 80vh;
                    border-radius: 8px;
                    overflow: hidden;
                    transform: scale(0.8);
                    transition: transform 0.3s;
                }
                
                .wpdd-modal.active .wpdd-modal-content {
                    transform: scale(1);
                }
                
                .wpdd-modal-header {
                    display: flex;
                    justify-content: space-between;
                    align-items: center;
                    padding: 20px;
                    border-bottom: 1px solid #eee;
                }
                
                .wpdd-modal-header h2 {
                    margin: 0;
                    font-size: 20px;
                }
                
                .wpdd-modal-close {
                    background: none;
                    border: none;
                    font-size: 24px;
                    cursor: pointer;
                    color: #666;
                    padding: 0;
                    width: 30px;
                    height: 30px;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                }
                
                .wpdd-modal-body {
                    padding: 20px;
                    max-height: 50vh;
                    overflow-y: auto;
                }
                
                .wpdd-modal-image {
                    width: 100%;
                    max-width: 200px;
                    height: auto;
                    float: left;
                    margin: 0 20px 20px 0;
                    border-radius: 4px;
                }
                
                .wpdd-modal-footer {
                    padding: 20px;
                    border-top: 1px solid #eee;
                    text-align: right;
                }
                
                .wpdd-notice {
                    position: fixed;
                    top: 32px;
                    right: 20px;
                    max-width: 400px;
                    z-index: 999999;
                    opacity: 0;
                    transform: translateX(100%);
                    transition: all 0.3s;
                    border-radius: 4px;
                    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
                }
                
                .wpdd-notice.active {
                    opacity: 1;
                    transform: translateX(0);
                }
                
                .wpdd-notice p {
                    margin: 0;
                    padding: 15px 40px 15px 15px;
                }
                
                .wpdd-notice-dismiss {
                    position: absolute;
                    top: 5px;
                    right: 10px;
                    background: none;
                    border: none;
                    font-size: 18px;
                    cursor: pointer;
                    color: inherit;
                    opacity: 0.7;
                }
                
                .wpdd-notice-success {
                    background: #d4edda;
                    color: #155724;
                    border: 1px solid #c3e6cb;
                }
                
                .wpdd-notice-error {
                    background: #f8d7da;
                    color: #721c24;
                    border: 1px solid #f5c6cb;
                }
                
                .wpdd-notice-info {
                    background: #d1ecf1;
                    color: #0c5460;
                    border: 1px solid #bee5eb;
                }
                
                .loading {
                    position: relative;
                    pointer-events: none;
                    opacity: 0.7;
                }
                
                .loading::after {
                    content: '';
                    position: absolute;
                    top: 50%;
                    left: 50%;
                    width: 16px;
                    height: 16px;
                    margin: -8px 0 0 -8px;
                    border: 2px solid transparent;
                    border-top: 2px solid currentColor;
                    border-radius: 50%;
                    animation: spin 1s linear infinite;
                }
                
                @keyframes spin {
                    0% { transform: rotate(0deg); }
                    100% { transform: rotate(360deg); }
                }
                
                @media (max-width: 600px) {
                    .wpdd-modal-content {
                        width: 95%;
                    }
                    
                    .wpdd-modal-image {
                        float: none;
                        margin: 0 0 20px 0;
                        max-width: 100%;
                    }
                    
                    .wpdd-notice {
                        right: 10px;
                        left: 10px;
                        max-width: none;
                    }
                }
            </style>
        `;
        $('head').append(styles);
    }
});