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| import uvicorn | |
| from fastapi import FastAPI, Form | |
| from fastapi.responses import HTMLResponse | |
| from fastapi.staticfiles import StaticFiles | |
| from app.services.llm_service import ask_llm | |
| app = FastAPI() | |
| # Mount the static directory to serve local image assets securely | |
| app.mount("/static", StaticFiles(directory="app/static"), name="static") | |
| CHAT_HTML = """ | |
| <html> | |
| <head> | |
| <title>Virtual Agent</title> | |
| <style> | |
| body { | |
| font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; | |
| background-color: #f0f2f5; | |
| display: flex; | |
| justify-content: center; | |
| align-items: center; | |
| height: 100vh; | |
| margin: 0; | |
| } | |
| .chat-container { | |
| width: 520px; | |
| background: white; | |
| padding: 30px; | |
| border-radius: 16px; | |
| box-shadow: 0px 10px 30px rgba(0, 0, 0, 0.08); | |
| display: flex; | |
| flex-direction: column; | |
| } | |
| .brand-header { | |
| display: flex; | |
| align-items: center; | |
| gap: 15px; | |
| margin-bottom: 5px; | |
| } | |
| .logo-img { | |
| width: 50px; | |
| height: 50px; | |
| object-fit: contain; | |
| border-radius: 50%; | |
| } | |
| .brand-title { | |
| font-size: 24px; | |
| font-weight: 700; | |
| color: #1e293b; | |
| margin: 0; | |
| } | |
| .brand-description { | |
| font-size: 13px; | |
| color: #64748b; | |
| margin: 0 0 20px 0; | |
| line-height: 1.5; | |
| border-bottom: 1px solid #e2e8f0; | |
| padding-bottom: 15px; | |
| } | |
| .messages { | |
| height: 330px; | |
| overflow-y: auto; | |
| border: 1px solid #e2e8f0; | |
| border-radius: 10px; | |
| padding: 15px; | |
| margin-bottom: 15px; | |
| background-color: #fafafa; | |
| } | |
| .message-row { | |
| margin-bottom: 12px; | |
| line-height: 1.5; | |
| font-size: 14px; | |
| } | |
| .user { | |
| color: #1d4ed8; | |
| } | |
| .bot { | |
| color: #047857; | |
| background-color: #f0fdf4; | |
| padding: 8px 12px; | |
| border-radius: 8px; | |
| border-left: 3px solid #10b981; | |
| } | |
| .input-group { | |
| display: flex; | |
| gap: 10px; | |
| margin-bottom: 15px; | |
| } | |
| input { | |
| flex: 1; | |
| padding: 12px; | |
| border: 1px solid #cbd5e1; | |
| border-radius: 8px; | |
| font-size: 14px; | |
| outline: none; | |
| transition: border-color 0.2s; | |
| } | |
| input:focus { | |
| border-color: #3b82f6; | |
| } | |
| button { | |
| padding: 12px 24px; | |
| background-color: #2563eb; | |
| color: white; | |
| border: none; | |
| border-radius: 8px; | |
| font-weight: 600; | |
| cursor: pointer; | |
| transition: background-color 0.2s; | |
| } | |
| button:hover { | |
| background-color: #1d4ed8; | |
| } | |
| .chat-footer { | |
| text-align: center; | |
| font-size: 11px; | |
| color: #94a3b8; | |
| margin-top: 5px; | |
| letter-spacing: 0.3px; | |
| } | |
| .chat-footer a { | |
| color: #64748b; | |
| text-decoration: none; | |
| font-weight: 500; | |
| } | |
| .chat-footer a:hover { | |
| text-decoration: underline; | |
| color: #2563eb; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="chat-container"> | |
| <div class="brand-header"> | |
| <img class="logo-img" src="/static/Z_Logo_Circle.png" alt="Z Virtual Agent Logo"> | |
| <h2 class="brand-title">Virtual Agent</h2> | |
| </div> | |
| <p class="brand-description"> | |
| Intelligent automation and knowledge retrieval framework for Z Logistics operations. Ask questions regarding company SOPs, driver policies, onboarding protocols, and compliance directives. | |
| </p> | |
| <div class="messages" id="messages"></div> | |
| <div class="input-group"> | |
| <input type="text" id="messageInput" placeholder="Ask Z Virtual Agent..."> | |
| <button onclick="sendMessage()">Send</button> | |
| </div> | |
| <div class="chat-footer"> | |
| Powered by <b>Z Consulting</b> • <a href="https://www.zedtex.us" target="_blank">www.zedtex.us</a> | |
| </div> | |
| </div> | |
| <script> | |
| async function sendMessage() { | |
| let input = document.getElementById("messageInput"); | |
| let message = input.value; | |
| if(message.trim() === "") return; | |
| let messages = document.getElementById("messages"); | |
| messages.innerHTML += ` | |
| <div class="message-row user"> | |
| <b>You:</b> ${message} | |
| </div> | |
| `; | |
| messages.scrollTop = messages.scrollHeight; | |
| input.value = ""; | |
| let response = await fetch('/api/chat', { | |
| method: 'POST', | |
| headers: { | |
| 'Content-Type': 'application/x-www-form-urlencoded' | |
| }, | |
| body: `message=${encodeURIComponent(message)}` | |
| }); | |
| let data = await response.json(); | |
| messages.innerHTML += ` | |
| <div class="message-row bot"> | |
| <b>Z:</b> ${data.response} | |
| </div> | |
| `; | |
| messages.scrollTop = messages.scrollHeight; | |
| } | |
| document.getElementById("messageInput") | |
| .addEventListener("keypress", function(event) { | |
| if (event.key === "Enter") { | |
| event.preventDefault(); | |
| sendMessage(); | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> | |
| """ | |
| def home(): | |
| return CHAT_HTML | |
| def chat_page(): | |
| return CHAT_HTML | |
| def api_chat(message: str = Form(...)): | |
| bot_response = ask_llm(message) | |
| return { | |
| "response": bot_response | |
| } | |
| if __name__ == "__main__": | |
| uvicorn.run("app.main:app", host="0.0.0.0", port=7860, reload=False) |