updae gemni api

app.py

@@ -1,10 +1,24 @@
+# .env file (create this in your project root)
+# -----------------------------------------
+# Your Gemini API key and model configuration
+
+
+# app.py
 import os
+from dotenv import load_dotenv
 import streamlit as st
 from crewai import Agent, Task, Crew, Process
 from langchain_openai import ChatOpenAI
 
-# === API Keys ===
-os.environ["OPENAI_API_KEY"] = "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"  # Replace with your actual key
+# === Load environment variables ===
+load_dotenv()  # reads the .env file and loads variables into the environment
+
+# === API Key & Model Config ===
+API_KEY = os.getenv("API_KEY")
+MODEL_NAME = os.getenv("MODEL_NAME", "gemini-1.5")
+
+# Ensure the key is available for downstream libraries
+os.environ["OPENAI_API_KEY"] = API_KEY
 
 # === Streamlit UI Config ===
 st.set_page_config(
@@ -18,12 +32,12 @@ if "messages" not in st.session_state:
     st.session_state.messages = []
 
 # === Java Coding Assistant Function ===
-def java_coding_assistant(query, model_name="gpt-4.1-nano-2025-04-14", temperature=0.7):
+def java_coding_assistant(query, temperature=0.7):
     try:
         llm = ChatOpenAI(
-            model_name=model_name,
+            model_name=MODEL_NAME,
             temperature=temperature,
-            api_key=os.getenv("OPENAI_API_KEY")
+            api_key=API_KEY
         )
 
         # Main Java Expert Agent
@@ -35,7 +49,6 @@ def java_coding_assistant(query, model_name="gpt-4.1-nano-2025-04-14", temperatu
 - Backend Development (Spring Boot, Hibernate, Microservices)
 - Android Development (Java/Kotlin, Android SDK)
 - System Design and Architecture
-
 You provide:
 1. Complete code solutions with syntax highlighting
 2. Detailed explanations of concepts
@@ -49,7 +62,6 @@ You provide:
         task = Task(
             description=f"""Provide a comprehensive solution for this Java-related query:
 {query}
-
 Include:
 1. Problem analysis
 2. Complete Java code solution with proper syntax
@@ -73,11 +85,9 @@ Include:
         )
 
         result = crew.kickoff()
-        
         # Format code blocks if present
         if "```java" in result:
             result = result.replace("```java", "```python")  # For Streamlit syntax highlighting
-        
         return result
 
     except Exception as e:
@@ -94,17 +104,10 @@ for message in st.session_state.messages:
 
 # Chat input
 if prompt := st.chat_input("Ask your Java question (e.g., 'How to implement REST API in Spring Boot?'):"):
-    # Add user message to chat history
     st.session_state.messages.append({"role": "user", "content": prompt})
-    
-    # Display user message
     with st.chat_message("user"):
         st.markdown(prompt)
-
-    # Display assistant response
     with st.chat_message("assistant"):
         response = java_coding_assistant(prompt)
         st.markdown(response, unsafe_allow_html=True)
-    
-    # Add assistant response to chat history
-    st.session_state.messages.append({"role": "assistant", "content": response})
+    st.session_state.messages.append({"role": "assistant", "content": response})