<!DOCTYPE html>
<html lang="en">
    <head>
        <title>Zeta Data Entry Wizard</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <link href="https://fonts.googleapis.com/css2?family=Merriweather:wght@300;400;700&family=Roboto:wght@300;400;500&display=swap" rel="stylesheet">
        <style>
            :root {
                --primary-color: #3498db;
                --secondary-color: #2c3e50;
                --background-color: #f0f4f8;
                --light-background: #ecf0f1;
                --error-color: #e74c3c;
                --hover-primary: #2980b9;
                --hover-error: #c0392b;
                --font-sans: 'Roboto', sans-serif;
                --font-serif: 'Merriweather', serif;
                --transition-speed: 0.3s;
            }

            body {
                font-family: var(--font-sans);
                background-color: var(--background-color);
                margin: 0;
                padding: 0;
                display: flex;
                justify-content: center;
                align-items: center;
                min-height: 100vh;
                background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect fill="%23f0f4f8" width="50" height="50" x="0" y="0" /><rect fill="%23e1e8ed" width="50" height="50" x="50" y="50" /></svg>');
                background-size: 30px 30px;
            }

            .container {
                background-color: #ffffff;
                border-radius: 12px;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
                padding: 2rem;
                width: 90%;
                max-width: 900px;
                position: relative;
                overflow: hidden;
            }

            .wizard-bg {
                position: absolute;
                top: -50px;
                right: -50px;
                width: 200px;
                height: 200px;
                background-color: #ff5a5f;
                border-radius: 50%;
                opacity: 0.1;
                z-index: 0;
            }

            h1 {
                font-family: var(--font-serif);
                color: var(--secondary-color);
                text-align: center;
                margin-bottom: 2rem;
                position: relative;
                z-index: 1;
            }

            .upload-area {
                border: 2px dashed var(--primary-color);
                border-radius: 12px;
                padding: 2rem;
                text-align: center;
                margin-bottom: 2rem;
                transition: all var(--transition-speed) ease;
                position: relative;
                z-index: 1;
                cursor: pointer;
            }

            .upload-area:hover,
            .upload-area.highlight {
                background-color: var(--light-background);
                transform: translateY(-5px);
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            }

            .upload-area svg {
                width: 80px;
                height: 80px;
                fill: var(--primary-color);
                margin-bottom: 1rem;
                transition: transform var(--transition-speed) ease;
            }

            .upload-area:hover svg,
            .upload-area.highlight svg {
                transform: scale(1.1);
            }

            #file-input {
                display: none;
            }

            .btn {
                background-color: var(--primary-color);
                color: #ffffff;
                border: none;
                padding: 0.75rem 1.5rem;
                font-size: 1rem;
                border-radius: 50px;
                cursor: pointer;
                transition: all var(--transition-speed) ease;
                text-transform: uppercase;
                letter-spacing: 1px;
                font-weight: 500;
                position: relative;
                overflow: hidden;
            }

            .btn:hover {
                background-color: var(--hover-primary);
                transform: translateY(-2px);
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            }

            .btn::after {
                content: '';
                position: absolute;
                top: 50%;
                left: 50%;
                width: 5px;
                height: 5px;
                background: rgba(255, 255, 255, 0.5);
                opacity: 0;
                border-radius: 100%;
                transform: scale(1) translate(-50%, -50%);
                transform-origin: 50% 50%;
            }

            .btn:hover::after {
                animation: ripple 1s ease-out;
            }

            @keyframes ripple {
                0% {
                    transform: scale(0) translate(-50%, -50%);
                    opacity: 1;
                }
                20% {
                    transform: scale(25) translate(-50%, -50%);
                    opacity: 1;
                }
                100% {
                    opacity: 0;
                    transform: scale(40) translate(-50%, -50%);
                }
            }

            #result {
                margin-top: 2rem;
                padding: 1.5rem;
                background-color: var(--light-background);
                border-radius: 8px;
                white-space: pre-wrap;
                position: relative;
                z-index: 1;
                transition: all var(--transition-speed) ease;
            }

            #result:hover {
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            }

            .progress-bar {
                width: 100%;
                height: 10px;
                background-color: var(--light-background);
                border-radius: 5px;
                margin-top: 1rem;
                overflow: hidden;
                position: relative;
            }

            .progress {
                width: 0%;
                height: 100%;
                background-color: var(--primary-color);
                transition: width 0.5s ease;
                position: relative;
            }

            .progress::after {
                content: '';
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background-image: linear-gradient(
                    -45deg,
                    rgba(255, 255, 255, 0.2) 25%,
                    transparent 25%,
                    transparent 50%,
                    rgba(255, 255, 255, 0.2) 50%,
                    rgba(255, 255, 255, 0.2) 75%,
                    transparent 75%,
                    transparent
                );
                background-size: 50px 50px;
                animation: stripe-animation 1s linear infinite;
            }

            @keyframes stripe-animation {
                0% {
                    background-position: 0 0;
                }
                100% {
                    background-position: 50px 50px;
                }
            }

            .wizard {
                position: absolute;
                bottom: 20px;
                right: 20px;
                width: 100px;
                height: 100px;
                z-index: 2;
            }

            .wizard-body {
                position: absolute;
                bottom: 0;
                left: 50%;
                transform: translateX(-50%);
                width: 60px;
                height: 80px;
                background-color: var(--primary-color);
                border-radius: 30px 30px 0 0;
            }

            .wizard-head {
                position: absolute;
                top: -30px;
                left: 50%;
                transform: translateX(-50%);
                width: 40px;
                height: 40px;
                background-color: #ecf0f1;
                border-radius: 50%;
                border: 5px solid var(--primary-color);
            }

            .wizard-hat {
                position: absolute;
                top: -55px;
                left: 50%;
                transform: translateX(-50%);
                width: 0;
                height: 0;
                border-left: 30px solid transparent;
                border-right: 30px solid transparent;
                border-bottom: 50px solid var(--primary-color);
            }

            .wizard-star {
                position: absolute;
                top: -70px;
                left: 50%;
                transform: translateX(-50%);
                width: 20px;
                height: 20px;
                background-color: #f1c40f;
                clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
                animation: twinkle 1s infinite alternate;
            }

            @keyframes twinkle {
                0% {
                    opacity: 0.5;
                    transform: translateX(-50%) scale(0.8);
                }
                100% {
                    opacity: 1;
                    transform: translateX(-50%) scale(1);
                }
            }

            .edit-form {
                margin-top: 1rem;
            }

            .edit-form input,
            .edit-form textarea,
            .edit-form select {
                width: 100%;
                padding: 0.5rem;
                margin-bottom: 0.5rem;
                border: 1px solid #ccc;
                border-radius: 4px;
                font-size: 1rem;
            }

            .edit-form label {
                font-weight: bold;
                display: block;
                margin-bottom: 0.25rem;
            }

            .tooltip {
                position: relative;
                display: inline-block;
                cursor: help;
            }

            .tooltip .tooltiptext {
                visibility: hidden;
                width: 200px;
                background-color: #555;
                color: #fff;
                text-align: center;
                border-radius: 6px;
                padding: 5px;
                position: absolute;
                z-index: 1;
                bottom: 125%;
                left: 50%;
                margin-left: -100px;
                opacity: 0;
                transition: opacity 0.3s;
            }

            .tooltip:hover .tooltiptext {
                visibility: visible;
                opacity: 1;
            }

            #loading {
                display: none;
                text-align: center;
                margin-top: 1rem;
            }

            .spinner {
                border: 4px solid #f3f3f3;
                border-top: 4px solid var(--primary-color);
                border-radius: 50%;
                width: 40px;
                height: 40px;
                animation: spin 1s linear infinite;
                display: inline-block;
            }

            @keyframes spin {
                0% { transform: rotate(0deg); }
                100% { transform: rotate(360deg); }
            }

            .wizard-selection,
            .language-selector {
                margin-bottom: 1rem;
            }

            .wizard-selection select,
            .language-selector select {
                width: 100%;
                padding: 0.5rem;
                border: 1px solid #ccc;
                border-radius: 4px;
                font-size: 1rem;
            }

            .form-group {
                margin-bottom: 1rem;
            }

            .feedback-btn {
                background-color: var(--error-color);
                color: #ffffff;
                border: none;
                padding: 0.5rem 1rem;
                font-size: 0.8rem;
                border-radius: 5px;
                cursor: pointer;
                transition: background-color var(--transition-speed) ease;
                margin-left: 1rem;
            }

            .feedback-btn:hover {
                background-color: var(--hover-error);
            }

            .error-message {
                color: var(--error-color);
                font-size: 0.875rem;
                height: 1rem;
                display: block;
                margin-top: -0.25rem;
                margin-bottom: 0.5rem;
            }
        </style>
        <script type="module">
            // Import Axios using unpkg.com's ESM build
            import axios from 'https://unpkg.com/axios@1.4.0/dist/esm/axios.js';

            // TODO: Consider using a module bundler like Webpack or Rollup for better dependency management and code splitting

            const loadScript = async (src) => {
                try {
                    const response = await fetch(src);
                    const scriptText = await response.text();
                    const script = document.createElement('script');
                    script.text = scriptText;
                    document.head.appendChild(script);
                } catch (error) {
                    console.error(`Failed to load script ${src}:`, error);
                    throw error;
                }
            };

            // TODO: Implement error handling and retry mechanism for script loading

            const loadExternalScripts = async () => {
                const scripts = [
                    "https://cdnjs.cloudflare.com/ajax/libs/tesseract.js/2.1.5/tesseract.min.js",
                    "https://cdnjs.cloudflare.com/ajax/libs/xlsx/0.17.0/xlsx.full.min.js",
                    "https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.10.377/pdf.min.js",
                    "https://cdnjs.cloudflare.com/ajax/libs/mammoth/1.4.14/mammoth.browser.min.js"
                ];
                await Promise.all(scripts.map(src => loadScript(src)));
                console.log("All libraries loaded successfully.");
                initializeApp();
            };

            // TODO: Implement version checking for external libraries to ensure compatibility

            window.addEventListener('DOMContentLoaded', () => {
                loadExternalScripts().catch(error => {
                    console.error("Error loading scripts:", error);
                    alert("Failed to load necessary libraries. Please try again later.");
                });
            });

            // TODO: Consider using a configuration file or environment variables for app configuration
            const appConfig = {
                languages: [
                    { code: 'en', name: 'English' },
                    { code: 'es', name: 'Español' },
                    { code: 'fr', name: 'Français' },
                    { code: 'de', name: 'Deutsch' },
                    // Additional languages can be added here
                ],
                wizards: [
                    { id: 'ocr', name: 'OCR Wizard' },
                    { id: 'data-entry', name: 'Data Entry Wizard' },
                    { id: 'amenities', name: 'Amenities Wizard' },
                    { id: 'pricing', name: 'Pricing Wizard' },
                    { id: 'lease', name: 'Lease Data Entry Wizard' },
                    { id: 'zetas', name: 'Zetas Data Wizard' },
                    // Additional wizards can be added here
                ],
                fileTypes: {
                    image: ['jpg', 'jpeg', 'png', 'gif', 'bmp'],
                    pdf: ['pdf'],
                    word: ['doc', 'docx'],
                    excel: ['xls', 'xlsx'],
                    text: ['txt', 'csv']
                },
                customExtractionRules: {}
            };

            // TODO: Implement a more robust initialization process with error handling
            function initializeApp() {
                populateSelectors();
                setFileInputAccept();
                initializeEventListeners();
            }

            function populateSelectors() {
                const languageSelect = document.getElementById('language-select');
                appConfig.languages.forEach(lang => {
                    const option = document.createElement('option');
                    option.value = lang.code;
                    option.textContent = lang.name;
                    languageSelect.appendChild(option);
                });

                const wizardSelect = document.getElementById('wizard-select');
                appConfig.wizards.forEach(wizard => {
                    const option = document.createElement('option');
                    option.value = wizard.id;
                    option.textContent = wizard.name;
                    wizardSelect.appendChild(option);
                });
            }

            function setFileInputAccept() {
                const fileInput = document.getElementById('file-input');
                const acceptedTypes = Object.values(appConfig.fileTypes).flat().map(ext => `.${ext}`).join(',');
                fileInput.setAttribute('accept', acceptedTypes);
            }

            // TODO: Consider using a more robust event management system
            function initializeEventListeners() {
                const dropArea = document.getElementById('drop-area');
                const fileInput = document.getElementById('file-input');
                const wizardSelect = document.getElementById('wizard-select');
                const languageSelect = document.getElementById('language-select');

                ['dragenter', 'dragover', 'dragleave', 'drop'].forEach(eventName => {
                    dropArea.addEventListener(eventName, preventDefaults, false);
                });

                ['dragenter', 'dragover'].forEach(eventName => {
                    dropArea.addEventListener(eventName, () => dropArea.classList.add('highlight'), false);
                });

                ['dragleave', 'drop'].forEach(eventName => {
                    dropArea.addEventListener(eventName, () => dropArea.classList.remove('highlight'), false);
                });

                dropArea.addEventListener('drop', handleDrop, false);
                fileInput.addEventListener('change', handleFiles, false);
                wizardSelect.addEventListener('change', updateWizardSettings);
                languageSelect.addEventListener('change', (e) => setLanguage(e.target.value));

                // Accessibility: Allow clicking the upload area to trigger file input
                dropArea.addEventListener('click', () => fileInput.click());
                dropArea.setAttribute('tabindex', '0');
                dropArea.addEventListener('keypress', (e) => {
                    if (e.key === 'Enter' || e.key === ' ') {
                        e.preventDefault();
                        fileInput.click();
                    }
                });
            }

            function preventDefaults(e) {
                e.preventDefault();
                e.stopPropagation();
            }

            function handleDrop(e) {
                const dt = e.dataTransfer;
                const files = dt.files;
                handleFiles({ target: { files } });
            }

            // TODO: Implement better error handling and user feedback for file processing
            async function handleFiles(e) {
                const files = Array.from(e.target.files);
                if (files.length === 0) return;

                showLoading(true);
                try {
                    const results = await Promise.all(files.map(file => processFile(file)));
                    const combinedData = combineResults(results);
                    displayResults(combinedData);
                    createEditForm(combinedData);
                } catch (error) {
                    console.error('Error processing files:', error);
                    const result = document.getElementById('result');
                    result.innerHTML = `<p>🙈 Oops! An error occurred: ${sanitizeHTML(error.message)}</p>`;
                } finally {
                    showLoading(false);
                }
            }

            function showLoading(isLoading) {
                const loading = document.getElementById('loading');
                const result = document.getElementById('result');
                const progress = document.getElementById('progress');

                loading.style.display = isLoading ? 'block' : 'none';
                progress.style.width = '0%';

                if (isLoading) {
                    result.innerHTML = '<p>🧙‍♂️ The Wizards are casting their spells...</p>';
                }
            }

            function detectFileType(file) {
                const extension = file.name.split('.').pop().toLowerCase();
                for (const [type, extensions] of Object.entries(appConfig.fileTypes)) {
                    if (extensions.includes(extension)) return type;
                }
                return 'unknown';
            }

            // TODO: Implement more robust file processing with better error handling
            async function processFile(file) {
                const fileType = detectFileType(file);
                let extractedText = '';
                let processedData = {};

                try {
                    switch (fileType) {
                        case 'image':
                            extractedText = await processImage(file);
                            break;
                        case 'pdf':
                            extractedText = await processPDF(file);
                            break;
                        case 'word':
                            extractedText = await processWord(file);
                            break;
                        case 'excel':
                            extractedText = await processExcel(file);
                            break;
                        case 'text':
                            extractedText = await processTextFile(file);
                            break;
                        default:
                            throw new Error(`Unsupported file type: ${sanitizeHTML(fileType)}`);
                    }

                    processedData = processOCRResult(extractedText, appConfig.customExtractionRules);
                    const selectedWizard = document.getElementById('wizard-select').value;
                    processedData = await applyWizard(selectedWizard, processedData);
                } catch (error) {
                    throw error;
                }

                return processedData;
            }

            function sanitizeHTML(str) {
                const temp = document.createElement('div');
                temp.textContent = str;
                return temp.innerHTML;
            }

            // TODO: Implement more sophisticated OCR result processing
            function processOCRResult(text, customRules) {
                const lines = text.split('\n');
                const parsedLines = new Set();
                const data = {
                    propertyName: extractValue(lines, /Property\s*Name:?\s*(.*)/i, parsedLines),
                    address: extractValue(lines, /Address:?\s*(.*)/i, parsedLines),
                    price: extractValue(lines, /Price:?\s*\$?([\d,]+\.\d{2})/i, parsedLines),
                    bedrooms: extractValue(lines, /Bedrooms?:?\s*(\d+)/i, parsedLines),
                    bathrooms: extractValue(lines, /Bathrooms?:?\s*(\d+(\.\d+)?)/i, parsedLines),
                    amenities: extractList(lines, /Amenities:?(.*)/i, parsedLines),
                    leaseStartDate: extractValue(lines, /Lease\s*Start\s*Date:?\s*(\d{4}-\d{2}-\d{2})/i, parsedLines),
                    leaseEndDate: extractValue(lines, /Lease\s*End\s*Date:?\s*(\d{4}-\d{2}-\d{2})/i, parsedLines),
                    securityDeposit: extractValue(lines, /Security\s*Deposit:?\s*\$?([\d,]+\.\d{2})/i, parsedLines),
                    monthlyRent: extractValue(lines, /Monthly\s*Rent:?\s*\$?([\d,]+\.\d{2})/i, parsedLines),
                    utilitiesIncluded: extractList(lines, /Utilities\s*Included:?(.*)/i, parsedLines),
                    petPolicy: extractValue(lines, /Pet\s*Policy:?\s*(.*)/i, parsedLines),
                    occupancyLimit: extractValue(lines, /Occupancy\s*Limit:?\s*(\d+)/i, parsedLines)
                };

                // Apply custom extraction rules
                for (const [key, regex] of Object.entries(customRules)) {
                    data[key] = extractValue(lines, regex, parsedLines);
                }

                // Extract additional key-value pairs
                const additionalData = extractAdditionalData(lines, parsedLines);
                Object.assign(data, additionalData);

                // Collect unstructured text
                const unstructuredLines = lines.filter((_, index) => !parsedLines.has(index) && _.trim() !== '');
                data.unstructuredText = unstructuredLines.join('\n');

                return data;
            }

            function extractValue(lines, regex, parsedLines) {
                for (let i = 0; i < lines.length; i++) {
                    const match = lines[i].match(regex);
                    if (match) {
                        parsedLines.add(i);
                        return match[1].trim();
                    }
                }
                return '';
            }

            function extractList(lines, regex, parsedLines) {
                for (let i = 0; i < lines.length; i++) {
                    const match = lines[i].match(regex);
                    if (match) {
                        parsedLines.add(i);
                        return match[1].split(/[,;]/).map(item => item.trim()).filter(Boolean);
                    }
                }
                return [];
            }

            function extractAdditionalData(lines, parsedLines) {
                const additionalData = {};
                lines.forEach((line, index) => {
                    const match = line.match(/^([^:]+):\s*(.+)$/);
                    if (match && !parsedLines.has(index)) {
                        const [, key, value] = match;
                        const normalizedKey = key.trim().toLowerCase().replace(/\s+/g, '_');
                        additionalData[normalizedKey] = sanitizeHTML(value.trim());
                        parsedLines.add(index);
                    }
                });
                return additionalData;
            }

            // TODO: Implement more advanced image processing techniques
            async function processImage(file) {
                const enhancedFile = await enhanceImage(file);
                const { data: { text } } = await ocrWizard(enhancedFile);
                return text;
            }

            async function enhanceImage(file) {
                const img = new Image();
                img.src = URL.createObjectURL(file);
                await img.decode();

                const canvas = document.createElement('canvas');
                const ctx = canvas.getContext('2d');
                canvas.width = img.width;
                canvas.height = img.height;
                ctx.drawImage(img, 0, 0);

                let imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
                imageData = applyImageEnhancements(imageData);
                ctx.putImageData(imageData, 0, 0);

                return new Promise((resolve) => {
                    canvas.toBlob(resolve, 'image/png');
                });
            }

            // TODO: Implement more sophisticated image enhancement techniques
            function applyImageEnhancements(imageData) {
                // Enhanced image preprocessing
                const data = imageData.data;
                const width = imageData.width;
                const height = imageData.height;

                // Convert to grayscale
                for (let i = 0; i < data.length; i += 4) {
                    const avg = (data[i] + data[i + 1] + data[i + 2]) / 3;
                    data[i] = data[i + 1] = data[i + 2] = avg;
                }

                // Apply thresholding
                const threshold = 128;
                for (let i = 0; i < data.length; i += 4) {
                    const v = data[i] < threshold ? 0 : 255;
                    data[i] = data[i + 1] = data[i + 2] = v;
                }

                // Apply noise reduction (simple median filter)
                const tempData = new Uint8ClampedArray(data);
                for (let y = 1; y < height - 1; y++) {
                    for (let x = 1; x < width - 1; x++) {
                        const idx = (y * width + x) * 4;
                        const neighbors = [
                            tempData[idx - 4], tempData[idx + 4],
                            tempData[idx - width * 4], tempData[idx + width * 4],
                            tempData[idx]
                        ];
                        neighbors.sort((a, b) => a - b);
                        data[idx] = data[idx + 1] = data[idx + 2] = neighbors[2];
                    }
                }

                return imageData;
            }

            // TODO: Implement more robust PDF processing
            async function processPDF(file) {
                const arrayBuffer = await file.arrayBuffer();
                const pdf = await pdfjsLib.getDocument({ data: arrayBuffer }).promise;
                let text = '';
                for (let i = 1; i <= pdf.numPages; i++) {
                    const page = await pdf.getPage(i);
                    const content = await page.getTextContent();
                    text += content.items.map(item => item.str).join(' ') + '\n';
                }
                return text;
            }

            async function processWord(file) {
                const arrayBuffer = await file.arrayBuffer();
                const result = await mammoth.extractRawText({ arrayBuffer });
                return result.value;
            }

            async function processExcel(file) {
                const arrayBuffer = await file.arrayBuffer();
                const workbook = XLSX.read(arrayBuffer, { type: 'array' });
                const firstSheetName = workbook.SheetNames[0];
                const worksheet = workbook.Sheets[firstSheetName];
                const jsonData = XLSX.utils.sheet_to_json(worksheet, { header: 1 });
                return jsonData.map(row => row.join('\t')).join('\n');
            }

            async function processTextFile(file) {
                return await file.text();
            }

            function combineResults(results) {
                return results.reduce((acc, cur) => ({ ...acc, ...cur }), {});
            }

            // TODO: Implement more advanced OCR techniques and error handling
            async function ocrWizard(file) {
                const progress = document.getElementById('progress');
                return Tesseract.recognize(file, 'eng', {
                    logger: m => {
                        if (m.status === 'recognizing text') {
                            progress.style.width = `${Math.round(m.progress * 100)}%`;
                        }
                    }
                });
            }

            // TODO: Implement more sophisticated wizard logic
            async function applyWizard(wizardId, data) {
                switch (wizardId) {
                    case 'data-entry':
                        return await dataEntryWizard(data);
                    case 'amenities':
                        return { ...data, amenities: await amenitiesWizard(data.amenities) };
                    case 'pricing':
                        return await pricingWizard(data);
                    case 'lease':
                        return await leaseWizard(data);
                    case 'zetas':
                        return await zetasWizard(data);
                    case 'ocr':
                    default:
                        return data;
                }
            }

            // TODO: Implement more advanced data entry logic
            async function dataEntryWizard(data) {
                // Dynamic enhancement based on data
                return new Promise((resolve) => {
                    setTimeout(() => {
                        data.description = `Charming ${data.bedrooms} bedroom property located at ${data.address}`;
                        resolve(data);
                    }, 500);
                });
            }

            // TODO: Implement more sophisticated amenities categorization
            async function amenitiesWizard(amenities) {
                // Dynamic categorization
                return new Promise((resolve) => {
                    setTimeout(() => {
                        const categories = {
                            essential: ['Wifi', 'Kitchen', 'TV'],
                            luxury: ['Pool', 'Hot tub', 'Gym'],
                            others: []
                        };
                        const categorized = { essential: [], luxury: [], others: [] };
                        amenities.forEach(item => {
                            if (categories.essential.includes(item)) {
                                categorized.essential.push(item);
                            } else if (categories.luxury.includes(item)) {
                                categorized.luxury.push(item);
                            } else {
                                categorized.others.push(item);
                            }
                        });
                        resolve(categorized);
                    }, 500);
                });
            }

            // TODO: Implement more advanced pricing strategies
            async function pricingWizard(data) {
                const pricingStrategy = document.getElementById('pricing-strategy').value;
                const marketFluctuation = parseFloat(document.getElementById('market-fluctuation').value) / 100;
                const basePrice = parseFloat(data.price.replace(/,/g, '')) || 0;

                return new Promise((resolve) => {
                    setTimeout(() => {
                        let suggestedPrice;
                        switch (pricingStrategy) {
                            case 'market':
                                const fluctuation = 1 + (Math.random() * 2 - 1) * marketFluctuation;
                                suggestedPrice = basePrice * fluctuation;
                                break;
                            case 'cost-plus':
                                const markup = 1.2; // 20% markup
                                suggestedPrice = basePrice * markup;
                                break;
                            case 'value-based':
                                const valueMultiplier = 1.5; // Example multiplier
                                suggestedPrice = basePrice * valueMultiplier;
                                break;
                            default:
                                suggestedPrice = basePrice;
                        }
                        data.suggestedPrice = suggestedPrice.toFixed(2);
                        resolve(data);
                    }, 500);
                });
            }

            // TODO: Implement more comprehensive lease data processing
            async function leaseWizard(data) {
                // Initialize lease-related fields dynamically
                return new Promise((resolve) => {
                    setTimeout(() => {
                        data.leaseDetails = {
                            leaseStartDate: data.leaseStartDate || '',
                            leaseEndDate: data.leaseEndDate || '',
                            securityDeposit: data.securityDeposit || '',
                            monthlyRent: data.monthlyRent || '',
                            utilitiesIncluded: data.utilitiesIncluded || [],
                            petPolicy: data.petPolicy || '',
                            occupancyLimit: data.occupancyLimit || ''
                        };
                        resolve(data);
                    }, 500);
                });
            }

            // TODO: Implement more sophisticated Zetas analysis
            async function zetasWizard(data) {
                // Dynamic Zetas analysis
                return new Promise((resolve) => {
                    setTimeout(() => {
                        data.zetasScore = Math.floor(Math.random() * 100) + 1;
                        data.marketTrends = ['Increasing demand', 'Seasonal fluctuations', 'Rising property values'];
                        data.competitorAnalysis = 'Competitive pricing in the area';
                        data.recommendedOptimizations = [
                            'Update listing photos',
                            'Adjust pricing strategy',
                            'Enhance amenities description'
                        ];
                        resolve(data);
                    }, 500);
                });
            }

            // TODO: Implement more dynamic form creation with better accessibility
            function createEditForm(data) {
                const form = document.getElementById('edit-form');
                form.innerHTML = `<h3>Edit Extracted Data</h3><div class="edit-form">`;

                Object.entries(data).forEach(([key, value]) => {
                    const inputType = determineInputType(key, value);
                    const inputValue = Array.isArray(value) ? value.join(', ') : value;
                    const sanitizedKey = sanitizeHTML(key);
                    const sanitizedValue = sanitizeHTML(inputValue);

                    form.innerHTML += `
                        <div class="form-group">
                            <label for="${sanitizedKey}">${formatLabel(sanitizedKey)}:</label>
                            <input 
                                type="${inputType}" 
                                id="${sanitizedKey}" 
                                name="${sanitizedKey}" 
                                value="${sanitizedValue}" 
                                required 
                                aria-describedby="${sanitizedKey}-error" 
                                aria-invalid="false"
                            >
                            <span id="${sanitizedKey}-error" class="error-message" aria-live="polite"></span>
                            <button type="button" class="feedback-btn" onclick="reportMisidentifiedAttribute('${sanitizedKey}')" aria-label="Report misidentified attribute for ${sanitizeHTML(formatLabel(sanitizedKey))}">Report Misidentified</button>
                        </div>
                    `;
                });

                form.innerHTML += `
                    <button class="btn" type="button" onclick="exportData()">Export Data</button>
                </div>`;

                // Attach validation listeners
                Object.keys(data).forEach(key => {
                    const sanitizedKey = sanitizeHTML(key);
                    const input = document.getElementById(sanitizedKey);
                    if (input) {
                        input.addEventListener('input', () => validateField(sanitizedKey));
                    }
                });
            }

            function determineInputType(key, value) {
                if (typeof value === 'number') return 'number';
                if (key.toLowerCase().includes('date')) return 'date';
                if (Array.isArray(value)) return 'text';
                return 'text';
            }

            function formatLabel(key) {
                return key.replace(/([A-Z])/g, ' $1').replace(/^./, str => str.toUpperCase());
            }

            // TODO: Implement more robust feedback submission
            window.reportMisidentifiedAttribute = function(key) {
                const input = document.getElementById(key);
                const value = input ? input.value : '';
                const feedback = prompt(`Please provide feedback for the misidentified attribute "${formatLabel(key)}" with value "${sanitizeHTML(value)}":`);
                if (feedback) {
                    axios.post('/api/feedback', { key, value, feedback })
                        .then(response => {
                            console.log('Feedback submitted successfully:', response.data);
                            alert("Thank you for your feedback. We'll use this to improve our system.");
                        })
                        .catch(error => {
                            console.error('Error submitting feedback:', error);
                            alert("There was an error submitting your feedback. Please try again.");
                        });
                }
            };

            // TODO: Implement more comprehensive field validation
            function validateField(key) {
                const input = document.getElementById(key);
                const errorSpan = document.getElementById(`${key}-error`);
                let isValid = true;
                let errorMessage = '';

                const value = input.value.trim();

                const validationRules = {
                    price: /^\d+(\.\d{1,2})?$/,
                    securityDeposit: /^\d+(\.\d{1,2})?$/,
                    monthlyRent: /^\d+(\.\d{1,2})?$/,
                    bedrooms: /^\d+$/,
                    occupancyLimit: /^\d+$/,
                    bathrooms: /^\d+(\.\d)?$/,
                    leaseStartDate: /^\d{4}-\d{2}-\d{2}$/,
                    leaseEndDate: /^\d{4}-\d{2}-\d{2}$/
                };

                if (validationRules[key]) {
                    isValid = validationRules[key].test(value);
                    if (!isValid) {
                        switch(key) {
                            case 'price':
                            case 'securityDeposit':
                            case 'monthlyRent':
                                errorMessage = 'Please enter a valid number with up to two decimal places.';
                                break;
                            case 'bedrooms':
                            case 'occupancyLimit':
                                errorMessage = 'Please enter a valid whole number.';
                                break;
                            case 'bathrooms':
                                errorMessage = 'Please enter a valid number with up to one decimal place.';
                                break;
                            case 'leaseStartDate':
                            case 'leaseEndDate':
                                errorMessage = 'Please enter a valid date in YYYY-MM-DD format.';
                                break;
                            default:
                                errorMessage = 'Invalid input.';
                        }
                    }
                }

                if (isValid || !validationRules[key]) {
                    input.setAttribute('aria-invalid', 'false');
                    errorSpan.textContent = '';
                } else {
                    input.setAttribute('aria-invalid', 'true');
                    errorSpan.textContent = errorMessage;
                }

                return isValid;
            }

            function validateForm() {
                const form = document.getElementById('edit-form');
                const inputs = form.querySelectorAll('input');
                let formIsValid = true;

                inputs.forEach(input => {
                    const valid = validateField(input.id);
                    if (!valid) formIsValid = false;
                });

                return formIsValid;
            }

            // TODO: Implement more sophisticated results display
            function displayResults(data) {
                const result = document.getElementById('result');
                const jsonData = JSON.stringify(data, null, 2);
                const sanitizedJson = sanitizeHTML(jsonData);
                const sanitizedText = sanitizeHTML(data.unstructuredText || 'No additional text extracted.');

                result.innerHTML = `
                    <h3>JSON Data:</h3>
                    <pre>${sanitizedJson}</pre>
                    <h3>Raw Extracted Text:</h3>
                    <pre>${sanitizedText}</pre>
                `;
            }

            // TODO: Implement more dynamic wizard settings updates
            function updateWizardSettings() {
                const selectedWizard = document.getElementById('wizard-select').value;
                const wizardSettings = document.getElementById('wizard-settings');
                wizardSettings.innerHTML = '';

                if (selectedWizard === 'pricing') {
                    wizardSettings.innerHTML = `
                        <div class="form-group">
                            <label for="pricing-strategy">Pricing Strategy:</label>
                            <select id="pricing-strategy">
                                <option value="market">Market-based</option>
                                <option value="cost-plus">Cost-plus</option>
                                <option value="value-based">Value-based</option>
                            </select>
                        </div>
                        <div class="form-group">
                            <label for="market-fluctuation">Market Fluctuation (±%):</label>
                            <input type="number" id="market-fluctuation" value="10" min="0" max="100">
                        </div>
                    `;
                }
                // Add settings for other wizards as needed
                if (selectedWizard === 'ocr') {
                    wizardSettings.innerHTML = `
                        <div class="form-group">
                            <label for="ocr-language">OCR Language:</label>
                            <select id="ocr-language">
                                <option value="eng">English</option>
                                <option value="spa">Spanish</option>
                                <option value="fra">French</option>
                                <option value="deu">German</option>
                            </select>
                        </div>
                        <div class="form-group">
                            <label for="image-preprocessing">Image Preprocessing:</label>
                            <select id="image-preprocessing">
                                <option value="none">None</option>
                                <option value="grayscale">Grayscale</option>
                                <option value="binarization">Binarization</option>
                            </select>
                        </div>
                    `;
                } else if (selectedWizard === 'data-entry') {
                    wizardSettings.innerHTML = `
                        <div class="form-group">
                            <label for="data-format">Data Format:</label>
                            <select id="data-format">
                                <option value="json">JSON</option>
                                <option value="csv">CSV</option>
                                <option value="xml">XML</option>
                            </select>
                        </div>
                    `;
                } else if (selectedWizard === 'amenities') {
                    wizardSettings.innerHTML = `
                        <div class="form-group">
                            <label for="amenities-category">Amenities Category:</label>
                            <select id="amenities-category">
                                <option value="all">All</option>
                                <option value="indoor">Indoor</option>
                                <option value="outdoor">Outdoor</option>
                                <option value="accessibility">Accessibility</option>
                            </select>
                        </div>
                    `;
                } else if (selectedWizard === 'lease') {
                    wizardSettings.innerHTML = `
                        <div class="form-group">
                            <label for="lease-type">Lease Type:</label>
                            <select id="lease-type">
                                <option value="residential">Residential</option>
                                <option value="commercial">Commercial</option>
                                <option value="short-term">Short-term Rental</option>
                            </select>
                        </div>
                    `;
                } else if (selectedWizard === 'zetas') {
                    wizardSettings.innerHTML = `
                        <div class="form-group">
                            <label for="zetas-data-source">Data Source:</label>
                            <select id="zetas-data-source">
                                <option value="api">API</option>
                                <option value="file-upload">File Upload</option>
                                <option value="manual-entry">Manual Entry</option>
                            </select>
                        </div>
                    `;
                }
            }

            function setLanguage(langCode) {
                console.log(`Language set to: ${sanitizeHTML(langCode)}`);
                
                const elements = document.querySelectorAll('[data-i18n]');
                elements.forEach(element => {
                    const key = element.getAttribute('data-i18n');
                    element.textContent = getTranslation(langCode, key);
                });

                document.documentElement.lang = langCode;
                updateFormPlaceholders(langCode);
                updateSelectOptions(langCode);
                localStorage.setItem('preferredLanguage', langCode);

                // Update wizard settings language
                updateWizardSettings();
            }

            function getTranslation(langCode, key) {
                const translations = {
                    en: {
                        'wizard-select': 'Select Wizard',
                        'language-select': 'Select Language',
                        'submit-btn': 'Submit',
                        'property-name': 'Property Name',
                        'address': 'Address',
                        'price': 'Price',
                        'bedrooms': 'Bedrooms',
                        'bathrooms': 'Bathrooms',
                        'amenities': 'Amenities',
                        'lease-start-date': 'Lease Start Date',
                        'lease-end-date': 'Lease End Date',
                        'security-deposit': 'Security Deposit',
                        'monthly-rent': 'Monthly Rent',
                        'utilities-included': 'Utilities Included',
                        'pet-policy': 'Pet Policy',
                        'occupancy-limit': 'Occupancy Limit'
                    },
                    es: {
                        'wizard-select': 'Seleccionar Asistente',
                        'language-select': 'Seleccionar Idioma',
                        'submit-btn': 'Enviar',
                        'property-name': 'Nombre de la Propiedad',
                        'address': 'Dirección',
                        'price': 'Precio',
                        'bedrooms': 'Dormitorios',
                        'bathrooms': 'Baños',
                        'amenities': 'Comodidades',
                        'lease-start-date': 'Fecha de Inicio del Contrato',
                        'lease-end-date': 'Fecha de Finalización del Contrato',
                        'security-deposit': 'Depósito de Seguridad',
                        'monthly-rent': 'Alquiler Mensual',
                        'utilities-included': 'Servicios Incluidos',
                        'pet-policy': 'Política de Mascotas',
                        'occupancy-limit': 'Límite de Ocupación'
                    },
                    fr: {
                        'wizard-select': 'Sélectionner l\'Assistant',
                        'language-select': 'Sélectionner la Langue',
                        'submit-btn': 'Soumettre',
                        'property-name': 'Nom de la Propriété',
                        'address': 'Adresse',
                        'price': 'Prix',
                        'bedrooms': 'Chambres',
                        'bathrooms': 'Salles de Bain',
                        'amenities': 'Équipements',
                        'lease-start-date': 'Date de Début du Bail',
                        'lease-end-date': 'Date de Fin du Bail',
                        'security-deposit': 'Dépôt de Garantie',
                        'monthly-rent': 'Loyer Mensuel',
                        'utilities-included': 'Services Inclus',
                        'pet-policy': 'Politique Animaux',
                        'occupancy-limit': 'Limite d\'Occupation'
                    },
                    de: {
                        'wizard-select': 'Assistent Auswählen',
                        'language-select': 'Sprache Auswählen',
                        'submit-btn': 'Einreichen',
                        'property-name': 'Immobilienname',
                        'address': 'Adresse',
                        'price': 'Preis',
                        'bedrooms': 'Schlafzimmer',
                        'bathrooms': 'Badezimmer',
                        'amenities': 'Ausstattung',
                        'lease-start-date': 'Mietbeginn',
                        'lease-end-date': 'Mietende',
                        'security-deposit': 'Kaution',
                        'monthly-rent': 'Monatliche Miete',
                        'utilities-included': 'Nebenkosten Inklusive',
                        'pet-policy': 'Haustierrichtlinie',
                        'occupancy-limit': 'Belegungsgrenze'
                    }
                };

                return translations[langCode][key] || key;
            }

            function updateFormPlaceholders(langCode) {
                const inputs = document.querySelectorAll('input[placeholder]');
                inputs.forEach(input => {
                    const key = input.id;
                    input.placeholder = getTranslation(langCode, key);
                });
            }

            function updateSelectOptions(langCode) {
                const selectElements = document.querySelectorAll('select');
                selectElements.forEach(select => {
                    const options = select.querySelectorAll('option');
                    options.forEach(option => {
                        const key = `${select.id}-${option.value}`;
                        option.textContent = getTranslation(langCode, key);
                    });
                });
            }

            function initializeLanguage() {
                const preferredLanguage = localStorage.getItem('preferredLanguage') || 'en';
                setLanguage(preferredLanguage);
                document.getElementById('language-select').value = preferredLanguage;
            }

            document.getElementById('language-select').addEventListener('change', (event) => {
                setLanguage(event.target.value);
            });
            window.addEventListener('DOMContentLoaded', initializeLanguage);
        </script>
    </body>
</html>


Without adding a back end how can I add advanced AI features