Update app.py

app.py

@@ -15,19 +15,19 @@ import time
 try:
     import google.generativeai as genai
     genai.configure(api_key=os.getenv("GEMINI_API_KEY"))
-    gemini_model = genai.GenerativeModel('gemini-2.5 pro')
-    print(" Gemini AI initialized successfully (PRIMARY)")
+    gemini_model = genai.GenerativeModel('gemini-2.5-pro')
+    print("✅ Gemini AI initialized successfully (PRIMARY)")
 except Exception as e:
-    print(f" Error initializing Gemini: {e}")
+    print(f"❌ Error initializing Gemini: {e}")
     gemini_model = None
 
 # Cohere (Secondary)
 try:
     import cohere
     cohere_client = cohere.Client(os.getenv("COHERE_API_KEY"))
-    print(" Cohere initialized successfully (SECONDARY)")
+    print("✅ Cohere initialized successfully (SECONDARY)")
 except Exception as e:
-    print(f" Error initializing Cohere: {e}")
+    print(f"❌ Error initializing Cohere: {e}")
     cohere_client = None
 
 # Z.ai (Tertiary)
@@ -37,9 +37,9 @@ try:
         provider="novita",
         api_key=os.environ.get("HF_TOKEN"),
     )
-    print(" Z.ai GLM-4.6 initialized successfully (TERTIARY)")
+    print("✅ Z.ai GLM-4.6 initialized successfully (TERTIARY)")
 except Exception as e:
-    print(f" Error initializing Z.ai: {e}")
+    print(f"❌ Error initializing Z.ai: {e}")
     zai_client = None
 
 # MiniMax (Final Fallback)
@@ -48,9 +48,9 @@ try:
         provider="novita",
         api_key=os.environ.get("HF_TOKEN"),
     )
-    print(" MiniMax AI initialized successfully (FINAL FALLBACK)")
+    print("✅ MiniMax AI initialized successfully (FINAL FALLBACK)")
 except Exception as e:
-    print(f" Error initializing MiniMax: {e}")
+    print(f"❌ Error initializing MiniMax: {e}")
     minimax_client = None
 
 # ---------- 2. Unified AI Function with Smart Fallback ----------
@@ -74,7 +74,7 @@ def ask_ai(prompt, temperature=0.7, max_retries=2):
                 return response.text, "gemini"
             except Exception as e:
                 last_error = e
-                print(f" Gemini attempt {attempt+1} failed: {str(e)}")
+                print(f"⚠ Gemini attempt {attempt+1} failed: {str(e)}")
                 if attempt < max_retries - 1:
                     time.sleep(1)
     
@@ -90,7 +90,7 @@ def ask_ai(prompt, temperature=0.7, max_retries=2):
                 return response.text, "cohere"
             except Exception as e:
                 last_error = e
-                print(f" Cohere attempt {attempt+1} failed: {str(e)}")
+                print(f"⚠ Cohere attempt {attempt+1} failed: {str(e)}")
                 if attempt < max_retries - 1:
                     time.sleep(1)
     
@@ -106,7 +106,7 @@ def ask_ai(prompt, temperature=0.7, max_retries=2):
                 return completion.choices[0].message.content, "zai"
             except Exception as e:
                 last_error = e
-                print(f" Z.ai attempt {attempt+1} failed: {str(e)}")
+                print(f"⚠ Z.ai attempt {attempt+1} failed: {str(e)}")
                 if attempt < max_retries - 1:
                     time.sleep(1)
     
@@ -121,10 +121,10 @@ def ask_ai(prompt, temperature=0.7, max_retries=2):
             return completion.choices[0].message.content, "minimax"
         except Exception as e:
             last_error = e
-            print(f" MiniMax fallback failed: {str(e)}")
+            print(f"⚠ MiniMax fallback failed: {str(e)}")
     
     # All failed
-    error_msg = f" Error: All AI services failed. Last error: {str(last_error)}"
+    error_msg = f"❌ Error: All AI services failed. Last error: {str(last_error)}"
     return error_msg, "error"
 
 # ---------- 3. Global storage ----------
@@ -166,7 +166,7 @@ def extract_text_from_pdf(pdf_file):
     except Exception as e:
         return f"Error extracting PDF: {e}"
 
-# ---------- 6. AI Tutor with Multi-Model Support ----------
+# ---------- 6. AI Tutor with Multi-Model Support (FIXED) ----------
 def ai_tutor_chat(message, history, subject, topic, level):
     if not message.strip():
         return history
@@ -183,8 +183,8 @@ Use a friendly, supportive tone to help students learn effectively."""
         if user_msg:
             conversation += f"Student: {user_msg}\n"
         if bot_msg:
-            # Remove source indicators from history
-            clean_msg = bot_msg.replace("[Cohere] ", "").replace("[Z.ai] ", "").replace("[MiniMax] ", "")
+            # FIXED: Remove emoji indicators that match what we're actually adding
+            clean_msg = bot_msg.replace("🔵 ", "").replace("🟢 ", "").replace("🟣 ", "")
             conversation += f"Tutor: {clean_msg}\n"
     
     conversation += f"Student: {message}\nTutor:"
@@ -304,15 +304,15 @@ Return JSON (no markdown):
     try:
         clean_txt = response.replace("```json", "").replace("```", "").strip()
         fb = json.loads(clean_txt)
-        result = f""" Score: {fb['score']}%
+        result = f"""📊 Score: {fb['score']}%
 
- Detailed Feedback:
+📝 Detailed Feedback:
 {fb['feedback']}
 
- Your Strengths:
+✅ Your Strengths:
 {fb.get('strengths', 'Good effort!')}
 
- How to Improve:
+�� How to Improve:
 {fb['improvements']}"""
         
         if source in ["cohere", "zai", "minimax"]:
@@ -325,12 +325,12 @@ Return JSON (no markdown):
 # ---------- 10. Admin – Past Papers ----------
 def verify_admin_password(password):
     if password == ADMIN_PASSWORD:
-        return gr.update(visible=True), gr.update(visible=False), " Access granted!"
-    return gr.update(visible=False), gr.update(visible=True), " Incorrect password!"
+        return gr.update(visible=True), gr.update(visible=False), "✅ Access granted!"
+    return gr.update(visible=False), gr.update(visible=True), "❌ Incorrect password!"
 
 def upload_paper(title, subject, level, content, pdf_file):
     if not all([title, subject, level, content]):
-        return " Please fill all required fields!", get_papers_list()
+        return "⚠ Please fill all required fields!", get_papers_list()
     
     paper_id = len(papers_storage) + 1
     
@@ -350,13 +350,13 @@ def upload_paper(title, subject, level, content, pdf_file):
         "has_pdf": bool(pdf_text and not pdf_text.startswith("Error")),
         "uploaded_at": datetime.now().strftime("%Y-%m-%d %H:%M")
     })
-    return " Paper uploaded!", get_papers_list()
+    return "✅ Paper uploaded!", get_papers_list()
 
 def get_papers_list():
     if not papers_storage:
         return "No papers yet."
     return "\n".join(
-        f"**{p['title']}** ({p['subject'].upper()} - {p['level']}) {' PDF' if p.get('has_pdf') else ''}\n {p['uploaded_at']}\n{p['content'][:120]}...\n{'─'*60}"
+        f"**{p['title']}** ({p['subject'].upper()} - {p['level']}) {'📄 PDF' if p.get('has_pdf') else ''}\n⏰ {p['uploaded_at']}\n{p['content'][:120]}...\n{'─'*60}"
         for p in papers_storage
     )
 
@@ -364,25 +364,26 @@ def view_papers_student(subject, level):
     filtered = [p for p in papers_storage 
                 if p["subject"] == subject.lower() and p["level"] == level]
     if not filtered:
-        return f" No {subject} {level} papers available."
+        return f"📭 No {subject} {level} papers available."
     return "\n".join(
-        f"**{p['title']}** {' PDF' if p.get('has_pdf') else ''}\n {p['uploaded_at']}\n\n{p['content']}\n\n{'═'*60}"
+        f"**{p['title']}** {'📄 PDF' if p.get('has_pdf') else ''}\n⏰ {p['uploaded_at']}\n\n{p['content']}\n\n{'═'*60}"
         for p in filtered
     )
 
 # ---------- 11. Gradio UI ----------
 with gr.Blocks(theme=gr.themes.Soft(), title="IGCSE/GCSE Platform") as app:
     gr.Markdown("""
-    #  IGCSE/GCSE Language Learning Platform
-    Justice AI Tutor |  Translator |  Dictionary |  Past Papers
+    # 🎓 IGCSE/GCSE Language Learning Platform
+    🤖 AI Tutor | 🌐 Translator | 📖 Dictionary | 📚 Past Papers
     _Powered by Gemini AI with intelligent fallback system_
     """)
 
     with gr.Tabs():
-        # ───── STUDENT ─────
-        with gr.Tab(" Student Portal"):
+        # ───── STUDENT PORTAL ─────
+        with gr.Tab("👨‍🎓 Student Portal"):
             with gr.Tabs():
-                with gr.Tab("Justice AI Tutor"):
+                # AI TUTOR
+                with gr.Tab("🤖 AI Tutor"):
                     gr.Markdown("### Chat with Your AI Tutor\n*Powered by Gemini 2.5 with automatic fallback*")
                     with gr.Row():
                         subj = gr.Radio(["French", "EFL"], label="Subject", value="French")
@@ -396,26 +397,29 @@ with gr.Blocks(theme=gr.themes.Soft(), title="IGCSE/GCSE Platform") as app:
                     chat = gr.Chatbot(height=450, show_label=False)
                     txt = gr.Textbox(placeholder="Ask anything... e.g., 'Explain the passé composé'", label="Message")
                     with gr.Row():
-                        send = gr.Button("Send ", variant="primary")
-                        clr = gr.Button("Clear ")
+                        send = gr.Button("Send 📤", variant="primary")
+                        clr = gr.Button("Clear 🗑")
                     send.click(ai_tutor_chat, [txt, chat, subj, topc, lvl], chat)
                     txt.submit(ai_tutor_chat, [txt, chat, subj, topc, lvl], chat)
                     clr.click(clear_chat, outputs=chat)
 
-                with gr.Tab(" Translator"):
+                # TRANSLATOR
+                with gr.Tab("🌐 Translator"):
                     gr.Markdown("### English ⟷ French Translation")
                     dir_ = gr.Radio(["English → French", "French → English"], label="Direction", value="English → French")
                     inp = gr.Textbox(lines=6, label="Input Text", placeholder="Enter text...")
                     out = gr.Textbox(lines=6, label="Translation")
-                    gr.Button("Translate ", variant="primary").click(translate_text, [inp, dir_], out)
+                    gr.Button("Translate 🔄", variant="primary").click(translate_text, [inp, dir_], out)
 
-                with gr.Tab(" Dictionary"):
+                # DICTIONARY
+                with gr.Tab("📖 Dictionary"):
                     gr.Markdown("### French Dictionary")
                     w = gr.Textbox(placeholder="Enter French word...", label="Word")
                     o = gr.Textbox(lines=16, label="Definition")
-                    gr.Button("Look Up ", variant="primary").click(dictionary_lookup, w, o)
+                    gr.Button("Look Up 🔍", variant="primary").click(dictionary_lookup, w, o)
 
-                with gr.Tab(" Practice"):
+                # PRACTICE QUESTIONS
+                with gr.Tab("✍ Practice"):
                     gr.Markdown("### Generate & Practice Exam Questions")
                     with gr.Row():
                         ps = gr.Radio(["French", "EFL"], label="Subject", value="French")
@@ -423,34 +427,35 @@ with gr.Blocks(theme=gr.themes.Soft(), title="IGCSE/GCSE Platform") as app:
                         pt = gr.Dropdown(french_topics, label="Topic")
                     ps.change(upd_topics, ps, pt)
 
-                    q = gr.Textbox(label=" Question", lines=5, interactive=False)
+                    q = gr.Textbox(label="📝 Question", lines=5, interactive=False)
                     exp = gr.Textbox(label="Expected", lines=2, visible=False)
-                    mark = gr.Textbox(label=" Mark Scheme", lines=3, interactive=False)
-                    ans = gr.Textbox(lines=8, label=" Your Answer", placeholder="Type your answer...")
-                    fb = gr.Textbox(lines=12, label=" Feedback", interactive=False)
+                    mark = gr.Textbox(label="📊 Mark Scheme", lines=3, interactive=False)
+                    ans = gr.Textbox(lines=8, label="✏ Your Answer", placeholder="Type your answer...")
+                    fb = gr.Textbox(lines=12, label="📋 Feedback", interactive=False)
 
                     with gr.Row():
-                        gr.Button(" Generate", variant="primary").click(generate_question, [ps, pt, pl], [q, exp, mark])
-                        gr.Button(" Check", variant="secondary").click(check_answer, [q, exp, ans, ps, pl], fb)
+                        gr.Button("🎲 Generate", variant="primary").click(generate_question, [ps, pt, pl], [q, exp, mark])
+                        gr.Button("✅ Check", variant="secondary").click(check_answer, [q, exp, ans, ps, pl], fb)
 
-                with gr.Tab(" Past Papers"):
+                # PAST PAPERS
+                with gr.Tab("📚 Past Papers"):
                     gr.Markdown("### Browse Past Papers")
                     with gr.Row():
                         psb = gr.Radio(["French", "EFL"], label="Subject", value="French")
                         plb = gr.Radio(["IGCSE", "GCSE"], label="Level", value="IGCSE")
                     pd = gr.Textbox(lines=22, label="Papers", interactive=False)
-                    gr.Button(" Show", variant="primary").click(view_papers_student, [psb, plb], pd)
+                    gr.Button("📖 Show", variant="primary").click(view_papers_student, [psb, plb], pd)
 
-        # ───── ADMIN ─────
-        with gr.Tab(" Admin Panel"):
+        # ───── ADMIN PANEL ─────
+        with gr.Tab("🔐 Admin Panel"):
             with gr.Column() as login_section:
-                gr.Markdown("###  Admin Login")
+                gr.Markdown("### 🔐 Admin Login")
                 pwd = gr.Textbox(label="Password", type="password", placeholder="Enter password")
-                login_btn = gr.Button(" Login", variant="primary")
+                login_btn = gr.Button("🔓 Login", variant="primary")
                 login_status = gr.Textbox(label="Status", interactive=False)
             
             with gr.Column(visible=False) as admin_section:
-                gr.Markdown("###  Upload Past Papers")
+                gr.Markdown("### 📤 Upload Past Papers")
                 with gr.Row():
                     with gr.Column():
                         t = gr.Textbox(label="Title", placeholder="e.g., Paper 1 - June 2023")
@@ -458,8 +463,8 @@ with gr.Blocks(theme=gr.themes.Soft(), title="IGCSE/GCSE Platform") as app:
                             s = gr.Radio(["French", "EFL"], label="Subject", value="French")
                             lv = gr.Radio(["IGCSE", "GCSE"], label="Level", value="IGCSE")
                         c = gr.Textbox(lines=6, label="Description")
-                        pdf = gr.File(label=" PDF (optional)", file_types=[".pdf"])
-                        up = gr.Button(" Upload", variant="primary")
+                        pdf = gr.File(label="📄 PDF (optional)", file_types=[".pdf"])
+                        up = gr.Button("⬆ Upload", variant="primary")
                         st = gr.Textbox(label="Status")
                     with gr.Column():
                         lst = gr.Textbox(lines=24, label="All Papers", value=get_papers_list(), interactive=False)
@@ -467,4 +472,9 @@ with gr.Blocks(theme=gr.themes.Soft(), title="IGCSE/GCSE Platform") as app:
             
             login_btn.click(verify_admin_password, [pwd], [admin_section, login_section, login_status])
 
+    gr.Markdown("""
+    ---
+    **System Status:** 🟢 Gemini AI (Primary) | 🔵 Cohere (Secondary) | 🟢 Z.ai (Tertiary) | 🟣 MiniMax (Fallback)
+    """)
+
 app.launch()