/**
 * Temu Affiliate Funnel
 * Main JavaScript File
 */

// Wait for the DOM to be fully loaded
document.addEventListener('DOMContentLoaded', function() {
    
    // Language selector functionality
    const languageSelector = document.querySelector('.language-selector');
    if (languageSelector) {
        const selectedLanguage = languageSelector.querySelector('.selected-language');
        const languageDropdown = languageSelector.querySelector('.language-dropdown');
        
        // Toggle dropdown on click
        selectedLanguage.addEventListener('click', function(e) {
            e.stopPropagation();
            languageDropdown.style.display = languageDropdown.style.display === 'flex' ? 'none' : 'flex';
        });
        
        // Close dropdown when clicking outside
        document.addEventListener('click', function() {
            languageDropdown.style.display = 'none';
        });
        
        // Prevent dropdown from closing when clicking inside
        languageDropdown.addEventListener('click', function(e) {
            e.stopPropagation();
        });
    }
    
    // Form validation
    const funnelForms = document.querySelectorAll('.funnel-form');
    funnelForms.forEach(form => {
        form.addEventListener('submit', function(e) {
            // Step 1: Shopping frequency validation
            const frequencyInputs = form.querySelectorAll('input[name="shopping_frequency"]');
            if (frequencyInputs.length > 0) {
                let frequencySelected = false;
                frequencyInputs.forEach(input => {
                    if (input.checked) frequencySelected = true;
                });
                
                if (!frequencySelected) {
                    e.preventDefault();
                    alert('Please select a shopping frequency option.');
                    return;
                }
            }
            
            // Step 2: Interests validation
            const interestInputs = form.querySelectorAll('input[name="interests[]"]');
            if (interestInputs.length > 0) {
                let interestSelected = false;
                interestInputs.forEach(input => {
                    if (input.checked) interestSelected = true;
                });
                
                if (!interestSelected) {
                    e.preventDefault();
                    alert('Please select at least one interest.');
                    return;
                }
            }
            
            // Step 3: Budget validation
            const budgetInputs = form.querySelectorAll('input[name="budget"]');
            if (budgetInputs.length > 0) {
                let budgetSelected = false;
                budgetInputs.forEach(input => {
                    if (input.checked) budgetSelected = true;
                });
                
                if (!budgetSelected) {
                    e.preventDefault();
                    alert('Please select a budget option.');
                    return;
                }
            }
            
            // Step 4: Device validation
            const deviceInputs = form.querySelectorAll('input[name="device"]');
            if (deviceInputs.length > 0) {
                let deviceSelected = false;
                deviceInputs.forEach(input => {
                    if (input.checked) deviceSelected = true;
                });
                
                if (!deviceSelected) {
                    e.preventDefault();
                    alert('Please select a device option.');
                    return;
                }
            }
        });
    });
    
    // Copy promotion code functionality
    const copyButtons = document.querySelectorAll('.copy-button');
    copyButtons.forEach(button => {
        button.addEventListener('click', function() {
            const code = this.getAttribute('data-code');
            
            // Use modern clipboard API if available
            if (navigator.clipboard) {
                navigator.clipboard.writeText(code)
                    .then(() => {
                        showCopyFeedback(button);
                    })
                    .catch(() => {
                        fallbackCopyTextToClipboard(code, button);
                    });
            } else {
                fallbackCopyTextToClipboard(code, button);
            }
        });
    });
    
    // Fallback for older browsers that don't support clipboard API
    function fallbackCopyTextToClipboard(text, button) {
        const textArea = document.createElement('textarea');
        textArea.value = text;
        textArea.style.position = 'fixed';
        textArea.style.left = '-999999px';
        document.body.appendChild(textArea);
        textArea.focus();
        textArea.select();
        
        try {
            const successful = document.execCommand('copy');
            if (successful) {
                showCopyFeedback(button);
            }
        } catch (err) {
            console.error('Fallback: Oops, unable to copy', err);
        }
        
        document.body.removeChild(textArea);
    }
    
    // Show feedback when code is copied
    function showCopyFeedback(button) {
        const originalIcon = button.innerHTML;
        button.innerHTML = '<i class="fas fa-check"></i>';
        button.style.backgroundColor = 'var(--color-success)';
        
        setTimeout(() => {
            button.innerHTML = originalIcon;
            button.style.backgroundColor = '';
        }, 2000);
    }
    
    // Sharing functionality
    window.sharePromotion = function(platform) {
        const promoLink = document.getElementById('promoLink');
        let shareUrl = '';
        
        if (!promoLink) return;
        
        const url = promoLink.getAttribute('href');
        const title = document.title;
        const text = 'Check out this amazing deal on Temu!';
        
        switch (platform) {
            case 'facebook':
                shareUrl = `https://www.facebook.com/sharer/sharer.php?u=${encodeURIComponent(url)}`;
                break;
            case 'twitter':
                shareUrl = `https://twitter.com/intent/tweet?url=${encodeURIComponent(url)}&text=${encodeURIComponent(text)}`;
                break;
            case 'whatsapp':
                shareUrl = `https://wa.me/?text=${encodeURIComponent(text + ' ' + url)}`;
                break;
            case 'telegram':
                shareUrl = `https://t.me/share/url?url=${encodeURIComponent(url)}&text=${encodeURIComponent(text)}`;
                break;
        }
        
        if (shareUrl) {
            window.open(shareUrl, '_blank', 'width=600,height=400');
        }
    };
    
    // Add touch support for mobile devices
    if ('ontouchstart' in window) {
        document.body.classList.add('touch-device');
    }
    
    // TikTok conversion tracking for promotion links
    function initializeConversionTracking() {
        // Track clicks on all promotion links
        document.addEventListener('click', function(e) {
            // Check if clicked element is a conversion link
            if (e.target.closest('.conversion-link')) {
                const link = e.target.closest('.conversion-link');
                const href = link.getAttribute('href');
                
                // Fire TikTok conversion event
                if (typeof ttq !== 'undefined') {
                    ttq.track('CompleteRegistration', {
                        content_type: 'promotion_link',
                        content_id: 'voucher_magnet_conversion',
                        value: 1,
                        currency: 'USD',
                        description: 'User completed funnel and clicked promotion link'
                    });
                    
                    console.log('TikTok conversion tracked for link:', href);
                }
                
                // Small delay to ensure tracking fires before redirect
                setTimeout(() => {
                    if (link.target === '_blank') {
                        window.open(href, '_blank');
                    } else {
                        window.location.href = href;
                    }
                }, 100);
                
                // Prevent default to control the redirect timing
                e.preventDefault();
                return false;
            }
        });
    }

    // Initialize conversion tracking
    initializeConversionTracking();
    
    // Auto-redirect to Temu promotion after a delay on results page
    const resultsPage = document.querySelector('.results-page');
    if (resultsPage) {
        const promoLink = document.getElementById('promoLink');
        if (promoLink) {
            // Track when user clicks the promotion link
            promoLink.addEventListener('click', function() {
                console.log('Promotion link clicked');
            });
        }
    }
    
    // Automatically check first option in each step for better UX
    const optionGroups = document.querySelectorAll('.options-container');
    optionGroups.forEach(group => {
        // Only auto-select if none are already selected
        const radioInputs = group.querySelectorAll('input[type="radio"]');
        if (radioInputs.length > 0) {
            let anyChecked = false;
            radioInputs.forEach(input => {
                if (input.checked) anyChecked = true;
            });
            
            // Auto-select first option if none are checked
            if (!anyChecked && !group.classList.contains('interests-grid')) {
                radioInputs[0].checked = true;
            }
        }
    });
});