static/js/main.js

document.addEventListener('DOMContentLoaded', function() {
    // Initialize AOS (Animate On Scroll)
    AOS.init({
        duration: 800,
        easing: 'ease-in-out',
        once: false
    });
    
    // Elements
    const loadingScreen = document.getElementById('loading-screen');
    const appContainer = document.getElementById('app-container');
    const themeToggle = document.getElementById('theme-toggle');
    const menuToggle = document.getElementById('menu-toggle');
    const sidebarClose = document.getElementById('sidebar-close');
    const sidebar = document.getElementById('sidebar');
    const generationForm = document.getElementById('generation-form');
    const promptInput = document.getElementById('prompt');
    const negativePromptInput = document.getElementById('negative-prompt');
    const widthSelect = document.getElementById('width');
    const heightSelect = document.getElementById('height');
    const seedInput = document.getElementById('seed');
    const randomSeedBtn = document.getElementById('random-seed');
    const tilingCheckbox = document.getElementById('tiling');
    const advancedSettingsBtn = document.getElementById('advanced-settings-btn');
    const upgradePromptBtn = document.getElementById('upgrade-prompt-btn');
    const imageDisplay = document.getElementById('image-display');
    const historyGallery = document.getElementById('history-gallery');
    const latestCreation = document.getElementById('latest-creation');
    
    // Image Controls
    const downloadCurrentBtn = document.getElementById('download-current');
    const shareCurrentBtn = document.getElementById('share-current');
    const favoriteCurrentBtn = document.getElementById('favorite-current');
    
    // Modals
    const advancedSettingsModal = document.getElementById('advanced-settings-modal');
    const promptModal = document.getElementById('prompt-modal');
    const imageViewerModal = document.getElementById('image-viewer-modal');
    const shareModal = document.getElementById('share-modal');
    
    // Advanced Settings Elements
    const subseedInput = document.getElementById('subseed');
    const attentionInput = document.getElementById('attention');
    const attentionValue = document.getElementById('attention-value');
    const referenceImageInput = document.getElementById('reference-image');
    const referencePreview = document.getElementById('reference-preview');
    const referencePreviewImg = document.getElementById('reference-preview-img');
    const removeReferenceBtn = document.getElementById('remove-reference');
    const referenceTypeSelect = document.getElementById('reference-type');
    const referenceStrengthInput = document.getElementById('reference-strength');
    const referenceStrengthValue = document.getElementById('reference-strength-value');
    const resetAdvancedSettingsBtn = document.getElementById('reset-advanced-settings');
    const saveAdvancedSettingsBtn = document.getElementById('save-advanced-settings');
    
    // Prompt Modal Elements
    const originalPromptInput = document.getElementById('original-prompt');
    const enhancedPromptInput = document.getElementById('enhanced-prompt');
    const cancelPromptEnhancementBtn = document.getElementById('cancel-prompt-enhancement');
    const useEnhancedPromptBtn = document.getElementById('use-enhanced-prompt');
    
    // Image Viewer Modal Elements
    const viewerImage = document.getElementById('viewer-image');
    const viewerPrompt = document.getElementById('viewer-prompt');
    const viewerNegativePrompt = document.getElementById('viewer-negative-prompt');
    const viewerSize = document.getElementById('viewer-size');
    const viewerSeed = document.getElementById('viewer-seed');
    const viewerTimestamp = document.getElementById('viewer-timestamp');
    const downloadImageBtn = document.getElementById('download-image');
    const shareImageBtn = document.getElementById('share-image');
    const regenerateImageBtn = document.getElementById('regenerate-image');
    const editPromptImageBtn = document.getElementById('edit-prompt-image');
    
    // Share Modal
    const sharePreviewImg = document.getElementById('share-preview-img');
    const shareLinkInput = document.getElementById('share-link-input');
    const copyLinkBtn = document.getElementById('copy-link');
    const shareBtns = document.querySelectorAll('.share-btn');
    
    // Global variables
    let currentImage = null;
    let referenceImageData = null;
    let isGenerating = false;
    const defaultAdvancedSettings = {
        subseed: 0,
        attention: 0.5,
        referenceImage: null,
        referenceType: 'style',
        referenceStrength: 0.5
    };
    let advancedSettings = {...defaultAdvancedSettings};
    let favoriteImages = [];
    
    // Initialize
    initializeApp();
    
    function initializeApp() {
        // Slower loading screen for a better experience
        setTimeout(() => {
            loadingScreen.style.opacity = '0';
            setTimeout(() => {
                loadingScreen.style.visibility = 'hidden';
                appContainer.classList.remove('hidden');
                
                // Trigger AOS animations on initial load
                AOS.refresh();
            }, 800);
        }, 3000);
        
        // Set random seed initially
        seedInput.value = Math.floor(Math.random() * 999999);
        
        // Load theme preference
        loadThemePreference();
        
        // Load image history
        loadImageHistory();
        
        // Load favorites
        loadFavorites();
        
        // Event listeners
        setupEventListeners();
    }
    
    function setupEventListeners() {
        // Theme toggle
        themeToggle.addEventListener('click', toggleTheme);
        
        // Mobile menu
        menuToggle.addEventListener('click', () => sidebar.classList.add('active'));
        sidebarClose.addEventListener('click', () => sidebar.classList.remove('active'));
        
        // Generate random seed
        randomSeedBtn.addEventListener('click', generateRandomSeed);
        
        // Advanced settings modal
        advancedSettingsBtn.addEventListener('click', openAdvancedSettingsModal);
        
        // Handle sliders in advanced settings
        attentionInput.addEventListener('input', () => {
            attentionValue.textContent = attentionInput.value;
            advancedSettings.attention = parseFloat(attentionInput.value);
        });
        
        referenceStrengthInput.addEventListener('input', () => {
            referenceStrengthValue.textContent = referenceStrengthInput.value;
            advancedSettings.referenceStrength = parseFloat(referenceStrengthInput.value);
        });
        
        // Reference image handling
        referenceImageInput.addEventListener('change', handleReferenceImageUpload);
        removeReferenceBtn.addEventListener('click', removeReferenceImage);
        
        referenceTypeSelect.addEventListener('change', () => {
            advancedSettings.referenceType = referenceTypeSelect.value;
        });
        
        // Advanced settings buttons
        resetAdvancedSettingsBtn.addEventListener('click', resetAdvancedSettings);
        saveAdvancedSettingsBtn.addEventListener('click', () => closeModal(advancedSettingsModal));
        
        // Upgrade prompt button
        upgradePromptBtn.addEventListener('click', handleUpgradePrompt);
        
        // Prompt modal buttons
        cancelPromptEnhancementBtn.addEventListener('click', () => closeModal(promptModal));
        useEnhancedPromptBtn.addEventListener('click', applyEnhancedPrompt);
        
        // Image controls
        downloadCurrentBtn.addEventListener('click', downloadCurrentImage);
        shareCurrentBtn.addEventListener('click', openShareModal);
        favoriteCurrentBtn.addEventListener('click', toggleFavoriteCurrentImage);
        
        // Image viewer modal buttons
        downloadImageBtn.addEventListener('click', downloadCurrentImage);
        shareImageBtn.addEventListener('click', openShareModal);
        regenerateImageBtn.addEventListener('click', regenerateSimilarImage);
        editPromptImageBtn.addEventListener('click', editAndCreateNew);
        
        // Share modal buttons
        copyLinkBtn.addEventListener('click', copyShareLink);
        shareBtns.forEach(btn => {
            btn.addEventListener('click', function() {
                shareToSocialMedia(this.className.split(' ')[1]);
            });
        });
        
        // Close modals
        document.querySelectorAll('.close-modal').forEach(btn => {
            btn.addEventListener('click', () => {
                closeAllModals();
            });
        });
        
        // Form submission
        generationForm.addEventListener('submit', handleImageGeneration);
        
        // Escape key for modals
        document.addEventListener('keydown', (e) => {
            if (e.key === 'Escape') {
                closeAllModals();
            }
        });
        
        // Disable context menu on images (for better UX)
        document.addEventListener('contextmenu', function(e) {
            if (e.target.tagName === 'IMG') {
                e.preventDefault();
                return false;
            }
        });
    }
    
    function closeAllModals() {
        closeModal(advancedSettingsModal);
        closeModal(promptModal);
        closeModal(imageViewerModal);
        closeModal(shareModal);
    }
    
    function loadThemePreference() {
        const isDarkMode = localStorage.getItem('darkMode') !== 'false'; // Default to dark
        setTheme(isDarkMode);
    }
    
    function toggleTheme() {
        const isDarkMode = !document.body.classList.contains('light-theme');
        setTheme(!isDarkMode);
        localStorage.setItem('darkMode', !isDarkMode);
    }
    
    function setTheme(isDarkMode) {
        if (isDarkMode) {
            document.body.classList.remove('light-theme');
            themeToggle.innerHTML = '<i class="fas fa-sun"></i>';
        } else {
            document.body.classList.add('light-theme');
            themeToggle.innerHTML = '<i class="fas fa-moon"></i>';
        }
    }
    
    function generateRandomSeed() {
        const newSeed = Math.floor(Math.random() * 999999);
        seedInput.value = newSeed;
        
        // Add pulse animation to seed input
        seedInput.classList.add('pulse-effect');
        setTimeout(() => {
            seedInput.classList.remove('pulse-effect');
        }, 1000);
        
        showToast('Seed Updated', `Random seed generated: ${newSeed}`, 'info');
    }
    
    function openAdvancedSettingsModal() {
        // Update modal with current settings
        subseedInput.value = advancedSettings.subseed;
        attentionInput.value = advancedSettings.attention;
        attentionValue.textContent = advancedSettings.attention;
        referenceTypeSelect.value = advancedSettings.referenceType;
        referenceStrengthInput.value = advancedSettings.referenceStrength;
        referenceStrengthValue.textContent = advancedSettings.referenceStrength;
        
        // Update reference image preview if exists
        if (referenceImageData) {
            referencePreviewImg.src = referenceImageData;
            referencePreview.classList.remove('hidden');
        } else {
            referencePreview.classList.add('hidden');
        }
        
        openModal(advancedSettingsModal);
    }
    
    function resetAdvancedSettings() {
        advancedSettings = {...defaultAdvancedSettings};
        subseedInput.value = defaultAdvancedSettings.subseed;
        attentionInput.value = defaultAdvancedSettings.attention;
        attentionValue.textContent = defaultAdvancedSettings.attention;
        referenceTypeSelect.value = defaultAdvancedSettings.referenceType;
        referenceStrengthInput.value = defaultAdvancedSettings.referenceStrength;
        referenceStrengthValue.textContent = defaultAdvancedSettings.referenceStrength;
        
        removeReferenceImage();
        showToast('Settings Reset', 'Advanced settings have been reset to defaults', 'info');
    }
    
    function handleReferenceImageUpload(e) {
        const file = e.target.files[0];
        if (file) {
            const reader = new FileReader();
            reader.onload = function(event) {
                referenceImageData = event.target.result;
                referencePreviewImg.src = referenceImageData;
                referencePreview.classList.remove('hidden');
                advancedSettings.referenceImage = referenceImageData;
                
                showToast('Reference Added', 'Reference image uploaded successfully', 'success');
            };
            reader.readAsDataURL(file);
        }
    }
    
    function removeReferenceImage() {
        referenceImageData = null;
        advancedSettings.referenceImage = null;
        referenceImageInput.value = '';
        referencePreview.classList.add('hidden');
    }
    
    async function handleUpgradePrompt() {
        const prompt = promptInput.value.trim();
        
        if (!prompt) {
            showToast('Error', 'Please enter a prompt to enhance', 'error');
            return;
        }
        
        showToast('Processing', 'Enhancing your prompt with AI...', 'info');
        
        try {
            const response = await fetch('/api/upgrade-prompt', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({ prompt })
            });
            
            const data = await response.json();
            
            if (data.error) {
                throw new Error(data.error);
            }
            
            // Populate prompt modal
            originalPromptInput.value = prompt;
            enhancedPromptInput.value = data.upgradedPrompt || prompt;
            
            // Open modal
            openModal(promptModal);
            
        } catch (error) {
            console.error('Error upgrading prompt:', error);
            showToast('Error', error.message || 'Failed to enhance prompt. Please try again.', 'error');
        }
    }
    
    function applyEnhancedPrompt() {
        const enhancedPrompt = enhancedPromptInput.value.trim();
        
        if (enhancedPrompt) {
            promptInput.value = enhancedPrompt;
            showToast('Applied', 'Enhanced prompt applied successfully', 'success');
        }
        
        closeModal(promptModal);
    }
    
    async function handleImageGeneration(e) {
        e.preventDefault();
        
        if (isGenerating) {
            showToast('In Progress', 'An image is already being generated', 'warning');
            return;
        }
        
        const prompt = promptInput.value.trim();
        
        if (!prompt) {
            showToast('Error', 'Please enter a prompt', 'error');
            return;
        }
        
        // Collect parameters
        const params = {
            prompt: prompt,
            seed: parseInt(seedInput.value) || Math.floor(Math.random() * 999999),
            subseed: parseInt(subseedInput.value) || 0,
            attention: parseFloat(attentionInput.value) || 0.5,
            width: parseInt(widthSelect.value) || 768,
            height: parseInt(heightSelect.value) || 768,
            tiling: tilingCheckbox.checked,
            negative_prompt: negativePromptInput.value.trim(),
            reference_image: referenceImageData,
            reference_image_type: referenceImageData ? referenceTypeSelect.value : null,
            reference_strength: referenceImageData ? parseFloat(referenceStrengthInput.value) : 0.5
        };
        
        isGenerating = true;
        showGeneratingUI();
        
        try {
            // Generate the image
            const taskResponse = await fetch('/api/generate', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify(params)
            });
            
            const taskData = await taskResponse.json();
            
            if (taskData.error) {
                throw new Error(taskData.error);
            }
            
            const taskId = taskData.taskId;
            
            // Poll for completion
            await pollImageProgress(taskId, params);
            
        } catch (error) {
            console.error('Error generating image:', error);
            showToast('Error', error.message || 'Failed to generate image. Please try again.', 'error');
            hideGeneratingUI();
            isGenerating = false;
        }
    }
    
    async function pollImageProgress(taskId, originalParams) {
        // Start polling
        const maxAttempts = 30; // 60 seconds (2s per poll)
        let attempt = 0;
        
        const poll = async () => {
            try {
                const response = await fetch('/api/poll', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json'
                    },
                    body: JSON.stringify({ taskId })
                });
                
                const data = await response.json();
                
                if (data.error) {
                    throw new Error(data.error);
                }
                
                if (data.final_image_url) {
                    // Image is ready
                    const imageUrl = data.final_image_url;
                    
                    // Create image object
                    currentImage = {
                        imageUrl: imageUrl,
                        prompt: originalParams.prompt,
                        negativePrompt: originalParams.negative_prompt,
                        seed: originalParams.seed,
                        width: originalParams.width,
                        height: originalParams.height,
                        timestamp: new Date().toISOString()
                    };
                    
                    // Display the image
                    displayGeneratedImage(currentImage);
                    
                    // Save to history
                    saveImageToHistory(currentImage);
                    
                    return;
                }
                
                if (data.status === 'done' && !data.final_image_url) {
                    throw new Error('Image generation completed but no image was returned.');
                }
                
                // Continue polling
                if (attempt < maxAttempts) {
                    attempt++;
                    setTimeout(poll, 2000);
                } else {
                    throw new Error('Image generation timed out. Please try again.');
                }
            } catch (error) {
                console.error('Error polling progress:', error);
                showToast('Error', error.message || 'Failed to generate image. Please try again.', 'error');
                hideGeneratingUI();
                isGenerating = false;
            }
        };
        
        await poll();
    }
    
    function showGeneratingUI() {
        // Show loading state in image display
        imageDisplay.innerHTML = `
            <div class="loading-shimmer"></div>
            <div class="loading-indicator">
                <div class="generation-status">
                    <div class="lds-ellipsis"><div></div><div></div><div></div><div></div></div>
                    <p>Creating your masterpiece...</p>
                </div>
            </div>
        `;
        
        // Update generate button
        const generateBtn = document.getElementById('generate-btn');
        generateBtn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> Creating...';
        generateBtn.disabled = true;
        
        // Disable sidebar controls
        advancedSettingsBtn.disabled = true;
        upgradePromptBtn.disabled = true;
    }
    
    function hideGeneratingUI() {
        // Enable form controls
        const generateBtn = document.getElementById('generate-btn');
        generateBtn.innerHTML = '<i class="fas fa-bolt"></i> Create Image';
        generateBtn.disabled = false;
        
        advancedSettingsBtn.disabled = false;
        upgradePromptBtn.disabled = false;
        
        // If no image was generated, restore placeholder
        if (!currentImage) {
            imageDisplay.innerHTML = `
                <div class="placeholder-wrapper">
                    <div class="placeholder-content">
                        <i class="fas fa-image placeholder-icon pulse-slow"></i>
                        <p>Your masterpiece will appear here</p>
                        <span class="helper-tip">Use the form to create something amazing</span>
                    </div>
                </div>
            `;
        }
        
        isGenerating = false;
    }
    
    function displayGeneratedImage(imageData) {
        // Update image display
        imageDisplay.innerHTML = `
            <img src="${imageData.imageUrl}" alt="Generated Image" class="display-image" />
        `;
        
        // Update latest creation
        updateLatestCreation(imageData);
        
        // Enable image controls
        downloadCurrentBtn.disabled = false;
        shareCurrentBtn.disabled = false;
        favoriteCurrentBtn.disabled = false;
        
        // Update favorite button state
        updateFavoriteButtonState();
        
        hideGeneratingUI();
        
        // Show success message
        showToast('Success', 'Your creation is ready!', 'success');
    }
    
    function updateLatestCreation(imageData) {
        latestCreation.innerHTML = `
            <img src="${imageData.imageUrl}" alt="Latest Creation" />
        `;
        
        latestCreation.addEventListener('click', () => {
            openImageViewer(imageData);
        });
    }
    
    function openImageViewer(imageData) {
        // Set current image
        currentImage = imageData;
        
        // Populate viewer details
        viewerImage.src = imageData.imageUrl;
        viewerPrompt.textContent = imageData.prompt;
        viewerNegativePrompt.textContent = imageData.negativePrompt || 'None';
        viewerSize.textContent = `${imageData.width} × ${imageData.height}`;
        viewerSeed.textContent = imageData.seed;
        
        // Format date
        const date = new Date(imageData.timestamp);
        const formattedDate = date.toLocaleString();
        viewerTimestamp.textContent = formattedDate;
        
        // Open modal
        openModal(imageViewerModal);
    }
    
    function regenerateSimilarImage(imageData) {
        // Close modal
        closeModal(imageViewerModal);
        
        // Fill form with same parameters
        promptInput.value = currentImage.prompt;
        negativePromptInput.value = currentImage.negativePrompt || '';
        
        // Select closest dimensions in dropdowns
        selectClosestOption(widthSelect, currentImage.width);
        selectClosestOption(heightSelect, currentImage.height);
        
        // Use same seed
        seedInput.value = currentImage.seed;
        
        // Scroll to form
        sidebar.scrollIntoView({ behavior: 'smooth' });
        
        // Show toast
        showToast('Ready to Regenerate', 'Parameters loaded from selected image', 'info');
    }
    
    function editAndCreateNew() {
        // Close modal
        closeModal(imageViewerModal);
        
        // Fill form with same parameters but focus on prompt
        promptInput.value = currentImage.prompt;
        negativePromptInput.value = currentImage.negativePrompt || '';
        
        // Select closest dimensions in dropdowns
        selectClosestOption(widthSelect, currentImage.width);
        selectClosestOption(heightSelect, currentImage.height);
        
        // Generate new seed for variation
        generateRandomSeed();
        
        // Scroll to form and focus on prompt
        sidebar.scrollIntoView({ behavior: 'smooth' });
        promptInput.focus();
        
        // Show toast
        showToast('Ready to Edit', 'Edit the prompt to create a new variation', 'info');
    }
    
    function selectClosestOption(selectElement, value) {
        let closestOption = null;
        let closestDiff = Infinity;
        
        // Find the closest option
        for (let i = 0; i < selectElement.options.length; i++) {
            const optionValue = parseInt(selectElement.options[i].value);
            const diff = Math.abs(optionValue - value);
            
            if (diff < closestDiff) {
                closestDiff = diff;
                closestOption = i;
            }
        }
        
        if (closestOption !== null) {
            selectElement.selectedIndex = closestOption;
        }
    }
    
    function downloadCurrentImage() {
        if (currentImage) {
            downloadImage(currentImage.imageUrl);
        }
    }
    
    function downloadImage(url) {
        // Create an anchor element
        const a = document.createElement('a');
        a.href = url;
        
        // Set the download attribute with a filename
        const filename = 'adarshkumar-creation-' + Date.now() + '.png';
        a.download = filename;
        
        // Append to the body, click, and remove
        document.body.appendChild(a);
        a.click();
        document.body.removeChild(a);
        
        showToast('Downloaded', 'Image saved to your device', 'success');
    }
    
    function openShareModal() {
        if (!currentImage) return;
        
        // Set share preview image
        sharePreviewImg.src = currentImage.imageUrl;
        
        // Set share link
        shareLinkInput.value = currentImage.imageUrl;
        
        openModal(shareModal);
    }
    
    function copyShareLink() {
        shareLinkInput.select();
        document.execCommand('copy');
        
        showToast('Copied', 'Link copied to clipboard', 'success');
    }
    
    function shareToSocialMedia(platform) {
        if (!currentImage) return;
        
        const url = encodeURIComponent(currentImage.imageUrl);
        const text = encodeURIComponent(`Check out this AI image I created: "${currentImage.prompt.substring(0, 50)}..."`);
        let shareUrl = '';
        
        switch (platform) {
            case 'facebook':
                shareUrl = `https://www.facebook.com/sharer/sharer.php?u=${url}`;
                break;
            case 'twitter':
                shareUrl = `https://twitter.com/intent/tweet?text=${text}&url=${url}`;
                break;
            case 'pinterest':
                shareUrl = `https://pinterest.com/pin/create/button/?url=${url}&media=${url}&description=${text}`;
                break;
            case 'whatsapp':
                shareUrl = `https://api.whatsapp.com/send?text=${text} ${url}`;
                break;
        }
        
        if (shareUrl) {
            window.open(shareUrl, '_blank');
        }
    }
    
    function toggleFavoriteCurrentImage() {
        if (!currentImage) return;
        
        const index = favoriteImages.findIndex(img => img.imageUrl === currentImage.imageUrl);
        
        if (index === -1) {
            // Add to favorites
            favoriteImages.push(currentImage);
            showToast('Added to Favorites', 'Image saved to your favorites', 'success');
        } else {
            // Remove from favorites
            favoriteImages.splice(index, 1);
            showToast('Removed from Favorites', 'Image removed from your favorites', 'info');
        }
        
        // Save favorites to localStorage
        localStorage.setItem('favoriteImages', JSON.stringify(favoriteImages));
        
        // Update button state
        updateFavoriteButtonState();
    }
    
    function updateFavoriteButtonState() {
        if (!currentImage) return;
        
        const isFavorite = favoriteImages.some(img => img.imageUrl === currentImage.imageUrl);
        
        if (isFavorite) {
            favoriteCurrentBtn.innerHTML = '<i class="fas fa-heart"></i> Favorited';
            favoriteCurrentBtn.classList.add('favorited');
        } else {
            favoriteCurrentBtn.innerHTML = '<i class="far fa-heart"></i> Favorite';
            favoriteCurrentBtn.classList.remove('favorited');
        }
    }
    
    function loadFavorites() {
        const storedFavorites = localStorage.getItem('favoriteImages');
        
        if (storedFavorites) {
            try {
                favoriteImages = JSON.parse(storedFavorites);
            } catch (e) {
                favoriteImages = [];
            }
        }
    }
    
    async function saveImageToHistory(imageData) {
        try {
            // Save locally first for immediate feedback
            let history = getLocalHistory();
            
            // Set an ID if none exists
            if (!imageData.id) {
                imageData.id = Date.now().toString();
            }
            
            // Add to the beginning of the array
            history.unshift(imageData);
            
            // Keep only the last 20 images
            history = history.slice(0, 20);
            
            // Save to localStorage
            localStorage.setItem('imageHistory', JSON.stringify(history));
            
            // Save to server
            await fetch('/api/save-history', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify(imageData)
            });
            
            // Render gallery
            renderHistoryGallery(history);
            
        } catch (error) {
            console.error('Error saving to history:', error);
        }
    }
    
    async function loadImageHistory() {
        try {
            // Try to get from server first
            const response = await fetch('/api/get-history');
            const data = await response.json();
            
            if (data.images && Array.isArray(data.images) && data.images.length > 0) {
                // Save to localStorage for offline access
                localStorage.setItem('imageHistory', JSON.stringify(data.images));
                renderHistoryGallery(data.images);
            } else {
                // Fall back to local storage
                const history = getLocalHistory();
                renderHistoryGallery(history);
            }
            
        } catch (error) {
            console.error('Error loading history:', error);
            
            // Fall back to local storage
            const history = getLocalHistory();
            renderHistoryGallery(history);
        }
    }
    
    function getLocalHistory() {
        const storageData = localStorage.getItem('imageHistory');
        
        if (storageData) {
            try {
                return JSON.parse(storageData);
            } catch (e) {
                return [];
            }
        }
        
        return [];
    }
    
    function renderHistoryGallery(images) {
        if (!images || !Array.isArray(images) || images.length === 0) {
            showEmptyHistoryMessage();
            return;
        }
        
        let galleryHTML = '';
        
        images.forEach(image => {
            galleryHTML += `
                <div class="history-item" data-image-id="${image.id || ''}">
                    <img src="${image.imageUrl}" alt="${image.prompt}" class="history-img">
                    <div class="history-overlay">
                        <div class="history-prompt">${image.prompt}</div>
                        <div class="history-actions">
                            <button class="history-action-btn view-btn" title="View Details">
                                <i class="fas fa-eye"></i>
                            </button>
                            <button class="history-action-btn regenerate-btn" title="Regenerate Similar">
                                <i class="fas fa-sync-alt"></i>
                            </button>
                            <button class="history-action-btn download-btn" title="Download Image">
                                <i class="fas fa-download"></i>
                            </button>
                        </div>
                    </div>
                </div>
            `;
        });
        
        historyGallery.innerHTML = galleryHTML;
        
        // Add click events to history items
        document.querySelectorAll('.history-item').forEach(item => {
            const imageId = item.getAttribute('data-image-id');
            const image = images.find(img => img.id === imageId);
            
            if (!image) return;
            
            // View button click
            const viewBtn = item.querySelector('.view-btn');
            viewBtn.addEventListener('click', (e) => {
                e.stopPropagation(); // Prevent triggering the parent click
                openImageViewer(image);
            });
            
            // Regenerate button click
            const regenerateBtn = item.querySelector('.regenerate-btn');
            regenerateBtn.addEventListener('click', (e) => {
                e.stopPropagation(); // Prevent triggering the parent click
                regenerateSimilarImage(image);
            });
            
            // Download button click
            const downloadBtn = item.querySelector('.download-btn');
            downloadBtn.addEventListener('click', (e) => {
                e.stopPropagation(); // Prevent triggering the parent click
                downloadImage(image.imageUrl);
            });
            
            // Main image click (for viewing)
            item.addEventListener('click', () => {
                openImageViewer(image);
            });
        });
    }
    
    function showEmptyHistoryMessage() {
        historyGallery.innerHTML = `
            <div class="empty-history-message">
                <i class="fas fa-images"></i>
                <p>Your creations will be displayed here</p>
                <span class="helper-tip">Get started by generating your first image!</span>
            </div>
        `;
    }
    
    function openModal(modal) {
        modal.classList.add('active');
        
        // Add animation to modal content for better UX
        const modalContent = modal.querySelector('.modal-content');
        if (modalContent) {
            modalContent.style.animation = 'none';
            setTimeout(() => {
                modalContent.style.animation = '';
            }, 10);
        }
    }
    
    function closeModal(modal) {
        modal.classList.remove('active');
    }
    
    function showToast(title, message, type = 'info') {
        const toastContainer = document.getElementById('toast-container');
        
        // Create toast element
        const toast = document.createElement('div');
        toast.className = `toast ${type}`;
        
        // Add toast content
        toast.innerHTML = `
            <div class="toast-content">
                <div class="toast-title">${title}</div>
                <div class="toast-message">${message}</div>
            </div>
            <button class="toast-close"><i class="fas fa-times"></i></button>
            <div class="toast-progress"></div>
        `;
        
        // Add to container
        toastContainer.appendChild(toast);
        
        // Add close functionality
        toast.querySelector('.toast-close').addEventListener('click', () => {
            toast.classList.add('exit');
            setTimeout(() => {
                toast.remove();
            }, 300);
        });
        
        // Auto remove after 5 seconds
        setTimeout(() => {
            if (toast.parentNode) {
                toast.classList.add('exit');
                setTimeout(() => {
                    toast.remove();
                }, 300);
            }
        }, 5000);
    }
});