Create app.py

app.py

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+import streamlit as st
+from api_helper import call_api  # Import the API helper
+
+# Streamlit Configurations
+st.set_page_config(page_title="Chatbot", layout="centered")
+
+# Chat History Initialization
+if "messages" not in st.session_state:
+    st.session_state["messages"] = [{"role": "assistant", "content": "Hello! How can I assist you today?"}]
+
+# Main Chat UI
+st.title("ChatGPT-like Frontend")
+st.markdown("A simple ChatGPT-style frontend powered by your custom backend.")
+
+# Chat Display
+for message in st.session_state["messages"]:
+    if message["role"] == "user":
+        st.markdown(
+            f"<div style='text-align: right; color: blue; margin: 10px 0;'><b>You:</b> {message['content']}</div>",
+            unsafe_allow_html=True,
+        )
+    elif message["role"] == "assistant":
+        st.markdown(
+            f"<div style='text-align: left; color: green; margin: 10px 0;'><b>Bot:</b> {message['content']}</div>",
+            unsafe_allow_html=True,
+        )
+
+# User Input
+with st.container():
+    user_input = st.text_input("Your message", placeholder="Type your message here...", key="user_input")
+
+    if user_input:
+        # Save User Message
+        st.session_state["messages"].append({"role": "user", "content": user_input})
+
+        # Get Bot Response
+        bot_response = call_api(user_input)
+        st.session_state["messages"].append({"role": "assistant", "content": bot_response})
+
+        # Clear Input
+        st.experimental_rerun()