Update app.py

app.py

@@ -169,14 +169,61 @@ st.markdown("""
 </style>
 """, unsafe_allow_html=True)
 
-# Initialize session state for topics
+# Initialize session state for topics and authentication
 if 'topics_list' not in st.session_state:
-    st.session_state.topics_list = [{"topic_title": "What is Flask"}]
+    st.session_state.topics_list = [{"topic_title": "What is Flask", "chapter_title": "Introduction to Flask"}]
 if 'session_ids' not in st.session_state:
     st.session_state.session_ids = []
+if 'authenticated' not in st.session_state:
+    st.session_state.authenticated = False
 
+# Hardcoded credentials (you can change these)
+VALID_USERNAME = "admin"
+VALID_PASSWORD = "techlearn2024"
+
+# Authentication check
+if not st.session_state.authenticated:
+    st.markdown('<h1 class="main-header">🔐 Login to Course Personalization</h1>', unsafe_allow_html=True)
+    
+    with st.form("login_form"):
+        st.markdown('<div class="section-header">🔑 Authentication Required</div>', unsafe_allow_html=True)
+        
+        col1, col2, col3 = st.columns([1, 2, 1])
+        with col2:
+            username = st.text_input("Username", placeholder="Enter username")
+            password = st.text_input("Password", placeholder="Enter password", type="password")
+            
+            login_submitted = st.form_submit_button("🚀 Login", use_container_width=True)
+            
+            if login_submitted:
+                if username == VALID_USERNAME and password == VALID_PASSWORD:
+                    st.session_state.authenticated = True
+                    st.success("Login successful! Redirecting...")
+                    time.sleep(1)
+                    st.rerun()
+                else:
+                    st.error(" Invalid username or password")
+    
+    st.markdown("---")
+    st.markdown("""
+    <div style="text-align: center; color: #888888;">
+    <small>Demo Credentials: admin / techlearn2024</small>
+    </div>
+    """, unsafe_allow_html=True)
+    st.stop()
+
+# Main app (only shown after authentication)
 # App Header
-st.markdown('<h1 class="main-header">📚 Base Course Personalization</h1>', unsafe_allow_html=True)
+col1, col2, col3 = st.columns([1, 2, 1])
+with col2:
+    st.markdown('<h1 class="main-header">📚 Base Course Personalization</h1>', unsafe_allow_html=True)
+with col3:
+    if st.button(" Logout"):
+        st.session_state.authenticated = False
+        st.session_state.topics_list = [{"topic_title": "What is Flask", "chapter_title": "Introduction to Flask"}]
+        st.session_state.session_ids = []
+        st.rerun()
+
 st.markdown("""
 <div style="text-align: center; margin-bottom: 2rem;">
 Complete this form to tailor your learning experience to your preferences.<br>
@@ -268,21 +315,21 @@ with st.form("personalization_form", clear_on_submit=False):
 if topic_mode == "Multiple Topics":
     col1, col2, col3 = st.columns([1, 1, 2])
     with col1:
-        if st.button("➕ Add More Topic"):
+        if st.button(" Add More Topic"):
             st.session_state.topics_list.append({"topic_title": f"Topic {len(st.session_state.topics_list) + 1}"})
             st.rerun()
     with col2:
-        if st.button("🔄 Reset Topics"):
+        if st.button(" Reset Topics"):
             st.session_state.topics_list = [{"topic_title": "What is Flask"}]
             st.rerun()
 
 # Handle submission
 if submitted:
     # Validate inputs
-    if topic_mode == "Single Topic" and not single_topic_title:
-        st.error("Please enter a topic title")
-    elif topic_mode == "Multiple Topics" and not any(topic["topic_title"] for topic in st.session_state.topics_list):
-        st.error("Please enter at least one topic title")
+    valid_topics = [topic for topic in st.session_state.topics_list if topic["topic_title"].strip() and topic["chapter_title"].strip()]
+    
+    if not valid_topics:
+        st.error("Please enter at least one topic with both topic title and chapter title")
     else:
         # Show loading state
         with st.spinner("Generating your personalized course..."):
@@ -326,49 +373,31 @@ if submitted:
                 "video_type": "base_video"
             }
             
-            # Create payload based on topic mode
-            if topic_mode == "Single Topic":
-                payload = {
-                    "personalization_id": personalization_id,
-                    "user_profile": user_profile,
-                    "settings": settings,
-                    "topic_data": {
-                        "topic_id": 10834,  # Hardcoded
-                        "topic_title": single_topic_title,
-                        "chapter_id": 647,  # Hardcoded
-                        "chapter_title": "Introduction to Flask",  # Hardcoded
-                        "course_id": course_id,
-                        "video_url": "https://techlearn-dev.s3.ap-south-1.amazonaws.com/course_videos/47/647/1729064365.mp4",  # Hardcoded
-                        "video_duration": 462,  # Hardcoded
-                        "sequence_number": 1  # Hardcoded
-                    }
-                }
-            else:
-                # Generate topics data with hardcoded values
-                topics_data = []
-                for i, topic in enumerate(st.session_state.topics_list):
-                    if topic["topic_title"]:  # Only include non-empty topics
-                        topics_data.append({
-                            "topic_id": 10834 + i,  # Hardcoded with increment
-                            "topic_title": topic["topic_title"],
-                            "chapter_id": 647,  # Hardcoded
-                            "chapter_title": "Introduction to Flask",  # Hardcoded
-                            "course_id": course_id,
-                            "video_url": f"https://techlearn-dev.s3.ap-south-1.amazonaws.com/course_videos/47/647/172906{4365+i*50}.mp4",  # Hardcoded with variation
-                            "video_duration": 462 + i*20,  # Hardcoded with variation
-                            "sequence_number": i + 1,
-                        })
-                
-                payload = {
-                    "personalization_id": personalization_id,
-                    "user_id": user_id,
+            # Generate topics data with user input for titles and hardcoded values for others
+            topics_data = []
+            for i, topic in enumerate(valid_topics):
+                topics_data.append({
+                    "topic_id": 10834 + i,  # Hardcoded with increment
+                    "topic_title": topic["topic_title"].strip(),
+                    "chapter_id": 647,  # Hardcoded
+                    "chapter_title": topic["chapter_title"].strip(),  # User input
                     "course_id": course_id,
-                    "total_videos": len(topics_data),
-                    "created_at": datetime.utcnow().isoformat(),
-                    "user_profile": user_profile,
-                    "topics": topics_data,
-                    "settings": settings
-                }
+                    "video_url": f"https://techlearn-dev.s3.ap-south-1.amazonaws.com/course_videos/47/647/172906{4365+i*50}.mp4",  # Hardcoded with variation
+                    "video_duration": 462 + i*20,  # Hardcoded with variation
+                    "sequence_number": i + 1,
+                })
+            
+            # Create payload (always multiple topics structure)
+            payload = {
+                "personalization_id": personalization_id,
+                "user_id": user_id,
+                "course_id": course_id,
+                "total_videos": len(topics_data),
+                "created_at": datetime.utcnow().isoformat(),
+                "user_profile": user_profile,
+                "topics": topics_data,
+                "settings": settings
+            }
 
             # Make API call
             try:
@@ -394,7 +423,7 @@ if submitted:
                     **Programming Language**: {programming_language.capitalize()}  
                     **Target Language**: {target_language.capitalize()}  
                     **Voice**: {tts_voice.capitalize()} ({tts_gender.capitalize()})  
-                    **Topics**: {len(st.session_state.topics_list) if topic_mode == "Multiple Topics" else 1}
+                    **Topics**: {len(valid_topics)}
                     """)
                     
                     # Display session IDs
@@ -432,15 +461,3 @@ if submitted:
                 # Show payload for debugging
                 st.warning("Request payload for debugging:")
                 st.json(payload)
-
-# Display previous session IDs if any
-if st.session_state.session_ids:
-    st.markdown("---")
-    st.markdown("### 📋 Previous Session IDs")
-    for i, session_id in enumerate(st.session_state.session_ids, 1):
-        st.markdown(f'<div class="session-info"><strong>Session {i}:</strong> <code>{session_id}</code></div>', unsafe_allow_html=True)
-    
-    # Button to clear session history
-    if st.button("Clear Session History"):
-        st.session_state.session_ids = []
-        st.rerun()