File size: 4,680 Bytes
2def93d
4060393
 
c645389
1c2dc95
4ef479c
4060393
4ef479c
c645389
e69869b
b1e9ba4
4ef479c
b1e9ba4
4ef479c
 
 
4060393
4ef479c
 
 
 
 
 
 
 
 
 
 
 
 
c0332bf
4060393
e69869b
 
 
5c03320
 
e69869b
 
 
fa08413
f88fdb3
fa08413
 
d6ba0ba
fa08413
 
 
1b961be
fa08413
 
 
 
 
 
4867300
17e4a36
fa08413
4867300
 
 
 
 
fa08413
4867300
 
 
 
 
17e4a36
4867300
 
 
 
17e4a36
4867300
 
 
 
 
 
 
 
 
 
 
 
17e4a36
4867300
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
17e4a36
e69869b
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
import streamlit as st
from openai import OpenAI
import time
import os
import pandas as pd
from datetime import datetime

# Get environment variables
openai_key = os.getenv("openai_key")
assistant_id = os.getenv("ASSISTANT_ID")

# Load or create transcript file
transcript_file = "transcripts.xlsx"
if not os.path.exists(transcript_file):
    df = pd.DataFrame(columns=["timestamp", "thread_id", "role", "message"])
    df.to_excel(transcript_file, index=False)

# Function to append to transcript
def append_to_transcript(thread_id, role, message):
    df_existing = pd.read_excel(transcript_file)
    new_entry = pd.DataFrame({
        "timestamp": [datetime.now().strftime("%Y-%m-%d %H:%M:%S")],
        "thread_id": [thread_id],
        "role": [role],
        "message": [message]
    })
    updated_df = pd.concat([df_existing, new_entry], ignore_index=True)
    updated_df.to_excel(transcript_file, index=False)

# Streamlit UI setup
st.set_page_config(page_title="Carfind.co.za AI Assistant", layout="wide")

st.markdown("""
    <style>
    .stChatMessage { max-width: 85%; border-radius: 12px; padding: 8px; }
    .stChatMessage[data-testid="stChatMessage-user"] { background: #f0f0f0; color: #000000; }
    .stChatMessage[data-testid="stChatMessage-assistant"] { background: #D6E9FE; color: #000000; }
    </style>
""", unsafe_allow_html=True)

st.divider()

if "thread_id" not in st.session_state:
    st.session_state["thread_id"] = None

input_col, clear_col = st.columns([8, 1])
with input_col:
    user_input = st.text_input("Type your message here...", key="chat_input")

with clear_col:
    if st.button("🗑️", help="Clear Chat"):
        st.session_state["thread_id"] = None
        st.success("Chat cleared.")
        st.rerun()

if openai_key and assistant_id:
    client = OpenAI(api_key=openai_key)

    if user_input:
        # Create thread if not exists
        if not st.session_state["thread_id"]:
            thread = client.beta.threads.create()
            st.session_state["thread_id"] = thread.id

        # Add user message
        client.beta.threads.messages.create(
            thread_id=st.session_state["thread_id"], role="user", content=user_input
        )
        append_to_transcript(st.session_state["thread_id"], "user", user_input)

        try:
            with st.spinner("Thinking and typing... 💭"):
                run = client.beta.threads.runs.create(
                    thread_id=st.session_state["thread_id"], assistant_id=assistant_id
                )
                while True:
                    run_status = client.beta.threads.runs.retrieve(
                        thread_id=st.session_state["thread_id"], run_id=run.id
                    )
                    if run_status.status == "completed":
                        break
                    time.sleep(1)

            # Get full conversation
            messages_response = client.beta.threads.messages.list(
                thread_id=st.session_state["thread_id"]
            )

            assistant_icon_html = "<img src='https://www.carfind.co.za/images/Carfind-Icon.svg' width='22' style='vertical-align:middle;'/>"

            # Display newest-first
            messages_sorted = sorted(messages_response.data, key=lambda x: x.created_at, reverse=True)
            for msg in messages_sorted:
                if msg.role == "user":
                    st.markdown(
                        f"<div style='background-color:#f0f0f0; color:#000000; padding:10px; border-radius:8px; margin:5px 0;'>"
                        f"👤 <strong>You:</strong> {msg.content[0].text.value}"
                        f"</div>", 
                        unsafe_allow_html=True
                    )
                else:
                    response_text = msg.content[0].text.value
                    append_to_transcript(st.session_state["thread_id"], "assistant", response_text)
                    st.markdown(
                        f"<div style='background-color:#D6E9FE; color:#000000; padding:10px; border-radius:8px; margin:5px 0;'>"
                        f"{assistant_icon_html} <strong>Carfind Assistant:</strong> {response_text}"
                        f"</div>", 
                        unsafe_allow_html=True
                    )

            # Scroll to top automatically
            st.markdown("""
                <script>
                    window.scrollTo(0, 0);
                </script>
            """, unsafe_allow_html=True)

        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.")