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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Customer Support Q&A</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
    <style>
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f8f9fa;
            padding: 20px;
        }
        .container {
            max-width: 800px;
            margin: 0 auto;
        }
        .question-form {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            margin-bottom: 20px;
        }
        .answer-container {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            margin-bottom: 20px;
            display: none;
        }
        .source-results {
            margin-top: 30px;
        }
        .result-card {
            margin-bottom: 15px;
            border-left: 4px solid #0d6efd;
        }
        .loading {
            display: none;
            text-align: center;
            margin: 20px 0;
        }
        .spinner-border {
            width: 3rem;
            height: 3rem;
        }
        h1 {
            color: #0d6efd;
            margin-bottom: 25px;
        }
        .answer-text {
            padding: 15px;
            background-color: #f8f9fa;
            border-radius: 5px;
            border-left: 4px solid #198754;
        }
        .error-message {
            color: #dc3545;
            margin-top: 15px;
            display: none;
        }
        .api-settings {
            margin-top: 20px;
            padding: 15px;
            background-color: #f8f9fa;
            border-radius: 5px;
            display: none;
        }
        .settings-toggle {
            cursor: pointer;
            color: #0d6efd;
            text-decoration: underline;
            font-size: 0.9rem;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1 class="text-center">Customer Support Q&A</h1>
        
        <div class="question-form">
            <form id="questionForm">
                <div class="mb-3">
                    <label for="questionInput" class="form-label">Ask a question:</label>
                    <input type="text" class="form-control form-control-lg" id="questionInput" 
                           placeholder="How do I reset my password?">
                </div>
                <button type="submit" class="btn btn-primary btn-lg">Get Answer</button>
                <div class="mt-3">
                    <span class="settings-toggle" id="settingsToggle">⚙️ API Settings</span>
                </div>
            </form>
            
            <div class="api-settings" id="apiSettings">
                <div class="mb-3">
                    <label for="apiEndpoint" class="form-label">API Endpoint:</label>
                    <input type="text" class="form-control" id="apiEndpoint" value="http://localhost:5000/api/ask">
                </div>
                <button class="btn btn-sm btn-outline-secondary" id="saveSettings">Save Settings</button>
            </div>
            
            <div class="error-message" id="errorMessage"></div>
            
            <div class="loading" id="loadingSpinner">
                <div class="spinner-border text-primary" role="status">
                    <span class="visually-hidden">Loading...</span>
                </div>
                <p class="mt-2">Searching for answers...</p>
            </div>
        </div>
        
        <div class="answer-container" id="answerContainer">
            <h2>Answer:</h2>
            <div class="answer-text" id="answerText"></div>
            
            <div class="source-results" id="sourceResults">
                <h3>Source Conversations:</h3>
                <div id="resultsList"></div>
            </div>
        </div>
    </div>
    
    <script>
        document.addEventListener('DOMContentLoaded', function() {
            const questionForm = document.getElementById('questionForm');
            const questionInput = document.getElementById('questionInput');
            const loadingSpinner = document.getElementById('loadingSpinner');
            const answerContainer = document.getElementById('answerContainer');
            const answerText = document.getElementById('answerText');
            const resultsList = document.getElementById('resultsList');
            const errorMessage = document.getElementById('errorMessage');
            const settingsToggle = document.getElementById('settingsToggle');
            const apiSettings = document.getElementById('apiSettings');
            const apiEndpoint = document.getElementById('apiEndpoint');
            const saveSettings = document.getElementById('saveSettings');
            
            // Load saved API endpoint from localStorage
            if (localStorage.getItem('apiEndpoint')) {
                apiEndpoint.value = localStorage.getItem('apiEndpoint');
            }
            
            // Toggle settings panel
            settingsToggle.addEventListener('click', function() {
                apiSettings.style.display = apiSettings.style.display === 'none' ? 'block' : 'none';
            });
            
            // Save settings
            saveSettings.addEventListener('click', function() {
                localStorage.setItem('apiEndpoint', apiEndpoint.value);
                apiSettings.style.display = 'none';
                showError('Settings saved!', 'success');
            });
            
            questionForm.addEventListener('submit', function(e) {
                e.preventDefault();
                
                const question = questionInput.value.trim();
                if (!question) {
                    showError('Please enter a question.');
                    return;
                }
                
                // Get API endpoint from settings
                const endpoint = apiEndpoint.value.trim();
                if (!endpoint) {
                    showError('Please enter a valid API endpoint in settings.');
                    return;
                }
                
                // Reset UI
                errorMessage.style.display = 'none';
                answerContainer.style.display = 'none';
                loadingSpinner.style.display = 'block';
                
                // Send API request
                fetch(endpoint, {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json'
                    },
                    body: JSON.stringify({ question: question })
                })
                .then(response => {
                    if (!response.ok) {
                        throw new Error('Network response was not ok');
                    }
                    return response.json();
                })
                .then(data => {
                    loadingSpinner.style.display = 'none';
                    
                    // Display answer
                    answerText.innerHTML = data.answer;
                    
                    // Display source results
                    resultsList.innerHTML = '';
                    if (data.results && data.results.length > 0) {
                        data.results.forEach((result, index) => {
                            const resultCard = document.createElement('div');
                            resultCard.className = 'card result-card';
                            
                            const cardBody = document.createElement('div');
                            cardBody.className = 'card-body';
                            
                            const relevanceText = document.createElement('small');
                            relevanceText.className = 'text-muted d-block mb-2';
                            relevanceText.textContent = `Relevance: ${(result.score * 100).toFixed(2)}%`;
                            
                            const questionText = document.createElement('h5');
                            questionText.className = 'card-title';
                            questionText.textContent = result.question;
                            
                            const answerText = document.createElement('p');
                            answerText.className = 'card-text';
                            answerText.textContent = result.answer;
                            
                            const previewTitle = document.createElement('p');
                            previewTitle.className = 'card-text mt-2 mb-1 fw-bold';
                            previewTitle.textContent = 'Conversation preview:';
                            
                            const previewText = document.createElement('p');
                            previewText.className = 'card-text small text-muted';
                            previewText.textContent = result.preview;
                            
                            cardBody.appendChild(relevanceText);
                            cardBody.appendChild(questionText);
                            cardBody.appendChild(answerText);
                            cardBody.appendChild(previewTitle);
                            cardBody.appendChild(previewText);
                            resultCard.appendChild(cardBody);
                            resultsList.appendChild(resultCard);
                        });
                    } else {
                        resultsList.innerHTML = '<p>No source conversations found.</p>';
                    }
                    
                    answerContainer.style.display = 'block';
                })
                .catch(error => {
                    loadingSpinner.style.display = 'none';
                    showError('Error fetching answer: ' + error.message);
                    console.error('Error:', error);
                });
            });
            
            function showError(message, type = 'error') {
                errorMessage.textContent = message;
                errorMessage.style.display = 'block';
                
                if (type === 'success') {
                    errorMessage.style.color = '#198754';
                } else {
                    errorMessage.style.color = '#dc3545';
                }
                
                // Hide after 3 seconds if it's a success message
                if (type === 'success') {
                    setTimeout(() => {
                        errorMessage.style.display = 'none';
                    }, 3000);
                }
            }
        });
    </script>
</body>
</html>