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| <!-- templates/index.html --> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>MedChat - Your Second Opinion</title> | |
| <style> | |
| body { | |
| font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; | |
| margin: 0; | |
| padding: 0; | |
| background: linear-gradient(135deg, #e0f7fa, #80deea); | |
| height: 100vh; | |
| display: flex; | |
| justify-content: center; | |
| align-items: center; | |
| } | |
| .container { | |
| width: 90%; | |
| max-width: 600px; | |
| background: #fff; | |
| border-radius: 15px; | |
| box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); | |
| overflow: hidden; | |
| } | |
| .header { | |
| background: #0288d1; | |
| color: white; | |
| padding: 15px; | |
| text-align: center; | |
| font-size: 24px; | |
| } | |
| .chat-box { | |
| height: 400px; | |
| overflow-y: auto; | |
| padding: 20px; | |
| background: #f5f5f5; | |
| } | |
| .message { | |
| margin: 10px 0; | |
| padding: 10px 15px; | |
| border-radius: 10px; | |
| max-width: 80%; | |
| word-wrap: break-word; | |
| } | |
| .user-message { | |
| background: #0288d1; | |
| color: white; | |
| margin-left: auto; | |
| text-align: right; | |
| } | |
| .bot-message { | |
| background: #e0e0e0; | |
| color: #333; | |
| } | |
| .input-area { | |
| display: flex; | |
| padding: 15px; | |
| border-top: 1px solid #ddd; | |
| background: #fff; | |
| } | |
| .input-area input { | |
| flex: 1; | |
| padding: 10px; | |
| border: 1px solid #ccc; | |
| border-radius: 5px 0 0 5px; | |
| outline: none; | |
| } | |
| .input-area button { | |
| padding: 10px 20px; | |
| background: #0288d1; | |
| color: white; | |
| border: none; | |
| border-radius: 0 5px 5px 0; | |
| cursor: pointer; | |
| transition: background 0.3s; | |
| } | |
| .input-area button:hover { | |
| background: #0277bd; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <div class="header">MedChat - Your Second Opinion</div> | |
| <div class="chat-box" id="chatBox"></div> | |
| <div class="input-area"> | |
| <input type="text" id="userInput" placeholder="Ask about medications or studies..."> | |
| <button onclick="sendMessage()">Send</button> | |
| </div> | |
| </div> | |
| <script> | |
| const chatBox = document.getElementById("chatBox"); | |
| const userInput = document.getElementById("userInput"); | |
| function addMessage(text, isUser) { | |
| const msgDiv = document.createElement("div"); | |
| msgDiv.className = `message ${isUser ? "user-message" : "bot-message"}`; | |
| msgDiv.textContent = text; // Use textContent for streaming | |
| chatBox.appendChild(msgDiv); | |
| chatBox.scrollTop = chatBox.scrollHeight; | |
| } | |
| async function sendMessage() { | |
| const message = userInput.value.trim(); | |
| if (!message) return; | |
| addMessage(message, true); | |
| userInput.value = ""; | |
| try { | |
| // Send POST request to /chat with message in body | |
| const postResponse = await fetch('/chat', { | |
| method: 'POST', | |
| headers: { 'Content-Type': 'application/json' }, | |
| body: JSON.stringify({ message: message }) | |
| }); | |
| if (!postResponse.ok) { | |
| throw new Error(`HTTP error! status: ${postResponse.status}`); | |
| } | |
| // Stream response using the response body (SSE) | |
| const reader = postResponse.body.getReader(); | |
| const decoder = new TextDecoder(); | |
| let botResponse = ""; | |
| function readStream() { | |
| reader.read().then(({ done, value }) => { | |
| if (done) { | |
| addMessage(botResponse, false); | |
| return; | |
| } | |
| const text = decoder.decode(value); | |
| const lines = text.split('\n'); | |
| for (const line of lines) { | |
| if (line.startsWith('data: ')) { | |
| const data = line.replace('data: ', ''); | |
| if (data === '[END]') { | |
| reader.cancel(); | |
| addMessage(botResponse, false); | |
| return; | |
| } else { | |
| botResponse += data; | |
| // Update chat box incrementally for streaming | |
| const lastBotMsg = chatBox.lastElementChild; | |
| if (lastBotMsg && lastBotMsg.className.includes("bot-message")) { | |
| lastBotMsg.textContent = botResponse; | |
| } | |
| } | |
| } | |
| } | |
| readStream(); | |
| }).catch(error => { | |
| addMessage(`Error: Could not connect to server. Details: ${error.message}`, false); | |
| }); | |
| } | |
| readStream(); | |
| } catch (error) { | |
| addMessage(`Error: Could not connect to server. Details: {error.message}`, false); | |
| } | |
| } | |
| userInput.addEventListener("keypress", (e) => { | |
| if (e.key === "Enter") sendMessage(); | |
| }); | |
| </script> | |
| </body> | |
| </html> |