Update app.py

app.py

@@ -112,10 +112,191 @@ Use this context to answer accurately:
 {school_service.get_school_context_for_ai()}
 
 Be helpful, encouraging, and accurate. If unsure, say so."""
+
+            # ✅ FIXED: Added missing closing parenthesis
             response = client.chat.completions.create(
                 model="gpt-3.5-turbo",
                 messages=[
                     {"role": "system", "content": system_prompt},
                     {"role": "user", "content": message}
                 ],
-               
+                temperature=0.7,
+                max_tokens=500
+            )  # ← THIS WAS MISSING!
+
+            reply = response.choices[0].message.content.strip()
+
+            # Add related announcements if keywords detected
+            keywords = ["exam", "test", "due", "assignment", "deadline", "when", "what"]
+            if any(kw in message.lower() for kw in keywords):
+                matches = school_service.get_announcements()
+                relevant = [a for a in matches if any(kw in a["title"].lower() or kw in a["content"].lower() for kw in keywords)]
+                if relevant:
+                    reply += "\n\n📌 **Relevant School Info:**"
+                    for ann in relevant[:2]:
+                        reply += f"\n- **{ann['title']}** ({ann['course']}) → {ann['content'][:70]}..."
+
+            return reply
+        except Exception as e:
+            return f"⚠️ AI Error: {str(e)}"
+    else:
+        return f"👋 Hi! I’m ThutoAI. You asked: '{message}'. *(Set OPENAI_API_KEY in HF Secrets for real AI.)*"
+
+
+# ==================== GRADIO INTERFACE ====================
+
+def render_announcements(course: str) -> str:
+    announcements = school_service.get_announcements(course)
+    if not announcements:
+        return "<p style='color: #6c757d; text-align: center;'>No announcements for this course.</p>"
+    html = ""
+    for ann in announcements:
+        color = "red" if ann["priority"] == "high" else "orange" if ann["priority"] == "normal" else "gray"
+        html += f"""
+        <div style="
+            border: 1px solid #e0e0e0;
+            border-radius: 8px;
+            padding: 12px;
+            margin: 8px 0;
+            background: white;
+            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
+        ">
+            <div style="display: flex; justify-content: space-between; align-items: flex-start;">
+                <strong style="font-size: 1.1em;">{ann['title']}</strong>
+                <span style="
+                    background: {color};
+                    color: white;
+                    padding: 3px 8px;
+                    border-radius: 4px;
+                    font-size: 0.75em;
+                    font-weight: bold;
+                    text-transform: uppercase;
+                ">{ann['priority']}</span>
+            </div>
+            <div style="margin: 8px 0; color: #555; line-height: 1.4;">{ann['content']}</div>
+            <div style="font-size: 0.85em; color: #999; display: flex; justify-content: space-between;">
+                <span>📚 {ann['course']}</span>
+                <span>📅 {ann['date']}</span>
+            </div>
+        </div>
+        """
+    return html
+
+
+# State for admin login
+IS_ADMIN = False
+
+def admin_login(username: str, password: str) -> tuple:
+    global IS_ADMIN
+    if admin_service.authenticate(username, password):
+        IS_ADMIN = True
+        return (
+            gr.update(visible=False),  # Hide login
+            gr.update(visible=True),   # Show dashboard
+            "✅ Welcome, Teacher! You can now post announcements.",
+            gr.update(visible=True)    # Show post form
+        )
+    return (
+        gr.update(visible=True),
+        gr.update(visible=False),
+        "❌ Invalid username or password",
+        gr.update(visible=False)
+    )
+
+def admin_logout():
+    global IS_ADMIN
+    IS_ADMIN = False
+    return (
+        gr.update(visible=True),
+        gr.update(visible=False),
+        "",
+        gr.update(visible=False)
+    )
+
+def post_announcement(title: str, content: str, course: str, priority: str) -> str:
+    if not IS_ADMIN:
+        return "🔒 Only logged-in teachers can post announcements."
+    if not title.strip() or not content.strip():
+        return "⚠️ Title and content cannot be empty."
+    school_service.add_announcement(title, content, course, priority)
+    return "✅ Announcement posted successfully! Refresh to see it."
+
+# ==================== BUILD UI ====================
+
+with gr.Blocks(css="""
+.gradio-container {
+    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
+}
+""", theme=gr.themes.Soft()) as demo:
+    gr.Markdown("# 🎓 ThutoAI — Your Learning Assistant")
+
+    with gr.Tab("📢 Announcements"):
+        gr.Markdown("### Filter by Course or Subject")
+        course_filter = gr.Dropdown(choices=school_service.courses, value="All", label="Select Course")
+        announcements_html = gr.HTML()
+        course_filter.change(fn=render_announcements, inputs=course_filter, outputs=announcements_html)
+        demo.load(fn=render_announcements, inputs=course_filter, outputs=announcements_html)
+
+    with gr.Tab("💬 Ask ThutoAI"):
+        gr.Markdown("### Ask me anything — homework, deadlines, school info, or study tips!")
+        chatbot = gr.Chatbot(height=420, bubble_full_width=False)
+        msg = gr.Textbox(label="Type your question", placeholder="E.g., When is the Math test?")
+        clear = gr.Button("🗑️ Clear Chat")
+
+        def respond(message, chat_history):
+            bot_reply = ai_chat(message, chat_history)
+            chat_history.append((message, bot_reply))
+            return "", chat_history
+
+        msg.submit(respond, [msg, chatbot], [msg, chatbot])
+        clear.click(lambda: None, None, chatbot, queue=False)
+
+    with gr.Tab("📂 Upload Notes & Files"):
+        gr.Markdown("### Upload study materials (PDFs, DOCs, TXT, etc.)")
+        file_input = gr.File(label="Choose a file")
+        upload_btn = gr.Button("📤 Upload")
+        status = gr.Textbox(label="Upload Status", interactive=False)
+        upload_btn.click(fn=school_service.upload_file, inputs=file_input, outputs=status)
+
+    with gr.Tab("🔐 Teacher Admin"):
+        gr.Markdown("### Post Announcements to Students")
+
+        with gr.Group() as login_group:
+            gr.Markdown("#### 👩‍🏫 Teacher Login")
+            username = gr.Textbox(label="Username", placeholder="e.g., [email protected]")
+            password = gr.Textbox(label="Password", type="password", placeholder="••••••••")
+            login_btn = gr.Button("🔓 Login")
+            login_status = gr.Textbox(label="Login Status", interactive=False)
+
+        with gr.Group(visible=False) as dashboard:
+            gr.Markdown("#### ✍️ Create New Announcement")
+            with gr.Row():
+                title = gr.Textbox(label="Announcement Title", placeholder="e.g., Science Quiz Date Changed")
+                course = gr.Dropdown(choices=school_service.courses[1:], label="Course", value="General")
+            content = gr.Textbox(label="Details for Students", placeholder="Explain clearly...", lines=3)
+            priority = gr.Radio(["low", "normal", "high"], label="Priority Level", value="normal")
+            post_btn = gr.Button("📬 Post Announcement")
+            post_result = gr.Textbox(label="Result", interactive=False)
+
+            logout_btn = gr.Button("⬅️ Logout")
+
+        # Connect buttons
+        login_btn.click(
+            fn=admin_login,
+            inputs=[username, password],
+            outputs=[login_group, dashboard, login_status, post_btn]
+        )
+        logout_btn.click(
+            fn=admin_logout,
+            inputs=None,
+            outputs=[login_group, dashboard, login_status, post_result]
+        )
+        post_btn.click(
+            fn=post_announcement,
+            inputs=[title, content, course, priority],
+            outputs=post_result
+        )
+
+
+if __name__ == "__main__":
+    demo.launch()