Update app.py

app.py

@@ -1,28 +1,32 @@
 import gradio as gr
 
-# Define the chat function
-def chat_function(message, history):
-    """
-    Responds based on predefined logic.
-    :param message: User's most recent message.
-    :param history: Chat history with role and content.
-    """
-    # Simple logic: Alternates between "Yes" and "No"
-    bot_responses = [h for h in history if h["role"] == "assistant"]
-    if len(bot_responses) % 2 == 0:
-        return f"Yes, I agree with: {message}"
-    else:
-        return f"No, I don't think so: {message}"
+# Define a response function for the chatbot
+def respond(message, history=[]):
+    # Predefined responses (case-insensitive matching)
+    responses = {
+        "hello": "Hi there! How can I help you?",
+        "how are you?": "I'm just a bot, but I'm doing great! How about you?",
+        "what's your name?": "I'm your friendly chatbot! What's your name?",
+        "bye": "Goodbye! Have a great day!",
+        "default": "I'm sorry, I didn't understand that. Can you try rephrasing?",
+    }
+
+    # Check if the user's message matches a predefined response
+    message_lower = message.lower()
+    response = responses.get(message_lower, responses["default"])
+
+    # Add the user message and bot response to the chat history
+    history.append((message, response))
+
+    return history
 
 # Set up Gradio's ChatInterface
 demo = gr.ChatInterface(
-    fn=chat_function,
-    type="messages",  # Use message-type format
-    title="Simple Bot",
-    description="This chatbot alternates between agreeing and disagreeing with your input.",
-    examples=["Hello!", "Do you like Python?", "What's your opinion on AI?"],
-    save_history=True,  # Enable persistent chat history
-    theme="default",  # Optional: Change to other themes like "compact" or "ocean"
+    fn=respond,  # Use the predefined respond function
+    type="messages",  # Use openai-style 'role' and 'content' keys
+    title="Simple Predefined Chatbot",
+    description="This chatbot responds to specific predefined messages. Try 'hello' or 'how are you?'.",
+    examples=["hello", "how are you?", "what's your name?", "bye"],
     chatbot=gr.Chatbot(height=400, placeholder="Start chatting with the bot!"),
     textbox=gr.Textbox(placeholder="Type your message here...", container=False),
 )