Update server.py

server.py

@@ -1,9 +1,12 @@
 from flask import Flask, request, jsonify
 from flask_cors import CORS
 import time
+import openai
+
 
 app = Flask(__name__)
 CORS(app)  # 讓 Open WebUI 可跨域存取
+openai.api_key = os.getenv("openaikey")  # 或從 .env 載入
 
 @app.route('/')
 def hello():
@@ -11,21 +14,21 @@ def hello():
 
 @app.route('/v1/chat/completions', methods=['POST'])
 def chat():
-    print("💬 收到請求")
-
-    data = request.get_json()
-    print("資料內容：", data)
+    
+    data = request.get_json(force=True)
 
-    # 取得使用者輸入
     messages = data.get("messages", [])
-    user_message = ""
-    for m in messages[::-1]:
-        if m.get("role") == "user":
-            user_message = m.get("content", "")
-            break
-
-    # 模擬回覆
-    reply = f"你剛剛說的是：「{user_message}」，這是來自 Flask 模型的回覆 ✅"
+    model = data.get("model", "gpt-3.5-turbo")
+
+    try:
+        response = openai.ChatCompletion.create(
+            model=model,
+            messages=messages
+        )
+        reply = response.choices[0].message.content
+    except Exception as e:
+        reply = f"⚠️ OpenAI API 錯誤：{str(e)}"
+        print(reply)
 
     # 回傳格式符合 OpenAI Chat API 格式
     return jsonify({