Update app.py

app.py

@@ -1,61 +1,70 @@
 import streamlit as st
+import requests
 from twilio.rest import Client
 from twilio.base.exceptions import TwilioRestException
 
-# Streamlit app title
-st.title("Send WhatsApp Message with Twilio")
-
-# Twilio credentials (It's best to get these from Streamlit secrets for security)
-account_sid = st.secrets.get("TWILIO_ACCOUNT_SID") or st.text_input("Account SID", "")
-auth_token = st.secrets.get("TWILIO_AUTH_TOKEN") or st.text_input("Auth Token", "")
-
-# Input fields for message parameters
-from_whatsapp = st.text_input("From (WhatsApp Number)", "whatsapp:+14155238886")  # Default value provided
-to_whatsapp = st.text_input("To (WhatsApp Number)", "whatsapp:+923335500016")    # Default value provided
-content_sid = st.text_input("Content SID", "HXb5b62575e6e4ff6129ad7c8efe1f983e")  # Default value provided
-content_variables = st.text_input("Content Variables (e.g., {\"1\":\"12/1\",\"2\":\"3pm\"})", '{"1":"12/1","2":"3pm"}')  # Default value provided
-
-# Function to send the WhatsApp message
-def send_whatsapp_message(account_sid, auth_token, from_whatsapp, to_whatsapp, content_sid, content_variables):
-    """
-    Sends a WhatsApp message using Twilio.
-
-    Args:
-        account_sid (str): Your Twilio Account SID.
-        auth_token (str): Your Twilio Auth Token.
-        from_whatsapp (str): The WhatsApp number to send the message from (in the format 'whatsapp:+number').
-        to_whatsapp (str): The WhatsApp number to send the message to (in the format 'whatsapp:+number').
-        content_sid (str): The SID of the Twilio Content template.
-        content_variables (str): A JSON string of the variables to populate the template.
-
-    Returns:
-        str: The SID of the sent message, or an error message.
-    """
+st.set_page_config(page_title="WhatsApp Chat", layout="wide")
+
+st.title("📱 Two-Way WhatsApp Chat via Twilio Conversations")
+
+# Twilio credentials
+account_sid = st.secrets.get("TWILIO_ACCOUNT_SID") or st.text_input("Twilio Account SID", "")
+auth_token = st.secrets.get("TWILIO_AUTH_TOKEN") or st.text_input("Twilio Auth Token", type="password")
+
+# Conversation SID and Author (e.g., 'system' or phone number)
+conversation_sid = st.text_input("Conversation SID", "CH0401ce390b374780b3eaded677d882b0")
+author = st.text_input("Author Name (e.g., system or whatsapp:+92333xxxxxxx)", "system")
+
+# Message to send
+msg_to_send = st.text_input("Type your message here")
+
+def send_message(account_sid, auth_token, conversation_sid, author, body):
     try:
         client = Client(account_sid, auth_token)
-        message = client.messages.create(
-            from_=from_whatsapp,
-            content_sid=content_sid,
-            content_variables=content_variables,
-            to=to_whatsapp,
-        )
+        message = client.conversations \
+                        .v1 \
+                        .conversations(conversation_sid) \
+                        .messages \
+                        .create(author=author, body=body)
         return message.sid
     except TwilioRestException as e:
-        return str(e)
+        return f"Twilio Error: {str(e)}"
     except Exception as e:
-        return f"An unexpected error occurred: {e}"
-
-# Button to trigger the message sending
-if st.button("Send WhatsApp Message"):
-    if not account_sid or not auth_token:
-        st.error("Please provide your Twilio Account SID and Auth Token.")
-    elif not from_whatsapp or not to_whatsapp or not content_sid or not content_variables:
-        st.error("Please fill in all the input fields.")
+        return f"Error: {str(e)}"
+
+def fetch_messages(account_sid, auth_token, conversation_sid):
+    try:
+        client = Client(account_sid, auth_token)
+        messages = client.conversations.v1.conversations(conversation_sid).messages.list(limit=50)
+        return messages
+    except Exception as e:
+        return f"Error fetching messages: {e}"
+
+# Send message button
+if st.button("📤 Send Message"):
+    if not all([account_sid, auth_token, conversation_sid, author, msg_to_send]):
+        st.error("Please fill in all fields.")
     else:
-        # Call the function to send the message
-        message_sid = send_whatsapp_message(account_sid, auth_token, from_whatsapp, to_whatsapp, content_sid, content_variables)
-        if message_sid.startswith(("SM", "MM")):  # Accept both SM and MM SIDs
-            st.success(f"Message sent successfully! SID: {message_sid}")
+        sid = send_message(account_sid, auth_token, conversation_sid, author, msg_to_send)
+        if sid.startswith("IM"):
+            st.success(f"Message sent! SID: {sid}")
         else:
-            st.error(f"Error sending message: {message_sid}")
+            st.error(sid)
 
+st.markdown("---")
+st.subheader("🕓 Chat History")
+
+# Display message history
+if st.button("🔄 Refresh Chat"):
+    if not all([account_sid, auth_token, conversation_sid]):
+        st.warning("Provide Twilio credentials and Conversation SID first.")
+    else:
+        messages = fetch_messages(account_sid, auth_token, conversation_sid)
+        if isinstance(messages, str):
+            st.error(messages)
+        else:
+            for msg in reversed(messages):  # Show newest at bottom
+                sender = msg.author
+                body = msg.body or "[No content]"
+                timestamp = msg.date_created.strftime("%Y-%m-%d %H:%M:%S")
+                st.markdown(f"**{sender}** [{timestamp}]: {body}")