Update app.py

app.py

@@ -1,39 +1,26 @@
 import streamlit as st
-from streamlit_chat import message
 from openai import OpenAI
 import time
 import datetime
 import os
 
-# Load secrets from Hugging Face environment
+# Securely get credentials
 generated_user = os.getenv("User")
 generated_password = os.getenv("Password")
 openai_key = os.getenv("openai_key")
-assistant_id = os.getenv("ASSISTANT_ID")
 
-# Streamlit page setup
+# Streamlit app configuration
 st.set_page_config(page_title="Carfind.co.za AI Assistant", layout="wide")
-st.markdown("<h1 style='text-align: center;'>🚗 Carfind.co.za AI Assistant</h1>", unsafe_allow_html=True)
+st.title("🚗 Carfind.co.za AI Assistant")
 st.caption("Chat with Carfind.co.za and find your next car fast")
 
-# Light / Dark mode toggle
-dark_mode = st.toggle("🌙 Switch to Light Mode", value=True)
-
-# Custom styling for bubbles
-st.markdown("""
-    <style>
-    .stChatMessage { max-width: 85%; border-radius: 12px; padding: 8px; }
-    .stChatMessage[data-testid="stChatMessage-user"] { background: #333; color: white; }
-    .stChatMessage[data-testid="stChatMessage-assistant"] { background: #00529B; color: white; }
-    </style>
-""", unsafe_allow_html=True)
-
-# Authentication
+# Initialize authentication state
 if "authenticated" not in st.session_state:
     st.session_state.authenticated = False
 
+# Login screen
 if not st.session_state.authenticated:
-    st.subheader("🔑 Login")
+    st.subheader("🔐 Login")
     username = st.text_input("Username")
     password = st.text_input("Password", type="password")
 
@@ -46,33 +33,36 @@ if not st.session_state.authenticated:
         else:
             st.error("Incorrect username or password. Please try again.")
 
-# Chat UI after login
+# Main chat interface
 else:
     st.divider()
 
     if "messages" not in st.session_state:
         st.session_state["messages"] = []
 
-    # Show chat history
-    for msg in st.session_state["messages"]:
-        if msg["role"] == "assistant":
-            message(f"🚗 **Carfind Assistant:** {msg['content']}", is_user=False)
+    # Display chat history
+    for message in st.session_state.messages:
+        role = message["role"]
+        content = message["content"]
+        if role == "assistant":
+            st.markdown(f'<img src="https://www.carfind.co.za/images/Carfind-Icon.svg" width="30" style="vertical-align: middle;"> <strong>Carfind Assistant:</strong> {content}', unsafe_allow_html=True)
         else:
-            message(msg["content"], is_user=True, avatar_style="adventurer")
+            st.chat_message(role).write(content)
 
-    # Input and Clear Chat button
-    input_col, clear_col = st.columns([8, 1])
-    with input_col:
-        user_input = st.text_input("Type your message here...", key="chat_input")
+    # Input with clear chat button
+    col_clear, col_input = st.columns([1, 8])
 
-    with clear_col:
-        if st.button("🗑️", help="Clear Chat"):
+    with col_clear:
+        if st.button("🧹 Clear Chat"):
             st.session_state.messages = []
-            st.success("Chat cleared.")
-            st.rerun()
+            st.success("Chat history cleared.")
+
+    with col_input:
+        user_input = st.chat_input("Type your message here...")
 
-    if openai_key and assistant_id:
+    if openai_key:
         client = OpenAI(api_key=openai_key)
+        ASSISTANT_ID = "asst_5gQR21fOsmHil11FGBzEArA7"
 
         def save_transcript(messages):
             with open("chat_logs.txt", "a") as log:
@@ -82,31 +72,43 @@ else:
                 log.write("--- End Chat ---\n")
 
         if user_input:
-            st.session_state.messages.append({"role": "user", "content": user_input})
-            message(user_input, is_user=True, avatar_style="adventurer")
+            if len(st.session_state.messages) == 0 or user_input != st.session_state.messages[-1]["content"]:
+                st.session_state.messages.append({"role": "user", "content": user_input})
+                st.chat_message("user").write(user_input)
 
-            try:
-                with st.spinner("Thinking and typing... 💭"):
+                try:
                     thread = client.beta.threads.create()
-                    client.beta.threads.messages.create(thread_id=thread.id, role="user", content=user_input)
+                    thread_id = thread.id
 
-                    run = client.beta.threads.runs.create(thread_id=thread.id, assistant_id=assistant_id)
+                    client.beta.threads.messages.create(
+                        thread_id=thread_id,
+                        role="user",
+                        content=user_input
+                    )
+
+                    run = client.beta.threads.runs.create(
+                        thread_id=thread_id,
+                        assistant_id=ASSISTANT_ID
+                    )
 
                     while True:
-                        run_status = client.beta.threads.runs.retrieve(thread_id=thread.id, run_id=run.id)
+                        run_status = client.beta.threads.runs.retrieve(
+                            thread_id=thread_id,
+                            run_id=run.id
+                        )
                         if run_status.status == "completed":
                             break
                         time.sleep(1)
 
-                    assistant_reply = client.beta.threads.messages.list(thread_id=thread.id).data[0].content[0].text.value
-
-                st.session_state.messages.append({"role": "assistant", "content": assistant_reply})
-                message(f"🚗 **Carfind Assistant:** {assistant_reply}", is_user=False)
-
-                save_transcript(st.session_state.messages)
+                    messages = client.beta.threads.messages.list(thread_id=thread_id)
+                    assistant_message = messages.data[0].content[0].text.value.strip()
 
-            except Exception as e:
-                st.error(f"An error occurred: {str(e)}")
+                    if assistant_message.lower() != user_input.lower():
+                        st.markdown(f'<img src="https://www.carfind.co.za/images/Carfind-Icon.svg" width="30" style="vertical-align: middle;"> <strong>Carfind Assistant:</strong> {assistant_message}', unsafe_allow_html=True)
+                        st.session_state.messages.append({"role": "assistant", "content": assistant_message})
+                        save_transcript(st.session_state.messages)
 
+                except Exception as e:
+                    st.error(f"An error occurred: {str(e)}")
     else:
-        st.error("⚠️ OpenAI key or Assistant ID not found. Please ensure both are set as Hugging Face secrets.")
+        st.error("OpenAI key not found. Please ensure it is set as a Hugging Face secret.")