Create app.py

app.py

@@ -0,0 +1,33 @@
+import streamlit as st
+import requests
+
+# Backend API URL
+UPLOAD_URL = "http://127.0.0.1:5000/upload"
+CHAT_URL = "http://127.0.0.1:5000/chat"
+
+st.title("📄 AI-Powered PDF Chatbot")
+st.sidebar.header("Upload a PDF")
+
+# File Upload
+uploaded_file = st.sidebar.file_uploader("Choose a PDF file", type=["pdf"])
+if uploaded_file:
+    files = {"file": uploaded_file.getvalue()}
+    response = requests.post(UPLOAD_URL, files=files)
+    if response.status_code == 200:
+        st.sidebar.success("✅ PDF Uploaded Successfully!")
+    else:
+        st.sidebar.error("❌ Error Uploading PDF")
+
+# Chat Interface
+st.subheader("Ask a Question About the PDF")
+user_query = st.text_input("Enter your question:")
+if st.button("Ask AI"):
+    if user_query:
+        payload = {"query": user_query}
+        response = requests.post(CHAT_URL, json=payload)
+        if response.status_code == 200:
+            st.write("🤖 AI Response:", response.json()["response"])
+        else:
+            st.error("❌ Error in AI Response")
+    else:
+        st.warning("⚠️ Please enter a question.")