Inläsning av apiEndpoint och useModel har flyttats hit. Funktioner och variabler från frontend.js exporteras numer via frontendApi

smartassist/config/smartassist.yaml

@@ -1,24 +1,27 @@
 # Frontend Configuration
 frontend:
-  url: "http://localhost:8000"
+  url: "http://localhost:5004"
 
 # Backend Configuration
 backend:
-  url: "http://localhost:5005"
+  url: "http://localhost:5004"
   api: "/api/chat"
 
 # Ollama Server Configuration
 ollama:
   url: "http://localhost:11434" 
   api_key: "${OLLAMA_API_KEY}" # Refer to environment variable
-  # model: "phi3:mini" # Select a model supported by the Ollama server
+  model: "phi3:mini" # Select a model supported by the Ollama server
   # model: "llama3:70b" # Select a model supported by the Ollama server
   # model: "llama3:latest" # Select a model supported by the Ollama server
-  model: "mannix/llama3-8b-ablitered-v3:latest" # Select a model supported by the Ollama server 
+  # model: "mannix/llama3-8b-ablitered-v3:latest" # Select a model supported by the Ollama server 
+  # model: "mistral-nemo:latest" # Select a model supported by the Ollama server 
+  # model: "gemma2:27b"
 
 # Logging – comment out the whole section for default level which is INFO
 logging:
   level: DEBUG  # Set log level (DEBUG, INFO, WARNING, ERROR, CRITICAL)
+  # level: INFO  # Set log level (DEBUG, INFO, WARNING, ERROR, CRITICAL)
 
 # Additional Configuration Options (Optional – ignored for now)
 

smartassist/src/backend.py

@@ -1,28 +1,93 @@
 
 # Import the necessary functions from ollama, Flask, requests, threading
 from ollama import Client
-from flask import Flask, request, jsonify
+from flask import Flask, request, jsonify, send_from_directory, render_template, session, make_response
 from flask_cors import CORS, cross_origin # CORS stands for Cross-Origin Resource Sharing. This is necessary to allow the frontend to make requests to our backend.
 import requests
 import json
 import logging
+import os
 import utils
-from utils import set_local_logger, run_flask
+from utils import GlobalState
 
-global log_level # Global variable to store the log level that is set in startservices.py
+# Create a logger for this module
-logger = logging.getLogger(__name__) # Separate logger for this module
+global_state = GlobalState() # Import the singleton that holds global states (e.g., logger)
-set_local_logger(logger) # Set log level for logger based on log_level
+logger = global_state.getLogger(__name__)  # Logger for this module, inherit properties of the root logger
+
+
+# Find out the path to current directory according to the Python interpreter (venv)
+logger.debug("Current working directory: %s", os.getcwd())
 
 # Initialize a Flask application
 app = Flask(__name__)
-# CORS(app, resources={r"/api/chat": {"origins": "*", "headers": ["Origin", "Content-Type", "Authorization"]}}) # Allow requests from any origin
+app.config['STATIC_FOLDER'] = 'static' # Adjust if needed 
+
+# Set the secret key for session management
+secret_key = os.urandom(24)
+app.config['SECRET_KEY'] = secret_key # When do I need this. How is it retained between sessions?
+
+# Optionally set other configuration options
+app.config['SESSION_PERMANENT'] = False  # Session will expire after each request
+app.config['SESSION_TYPE'] = 'filesystem'  # Store sessions on the filesystem
+
+
+logger.debug("flask app template folder: %s", app.template_folder) 
+
+@app.route('/')
+def index():
+    """
+    This route serves index.html to connecting clients
+    """
+
+    session['chat_history'] = []   # The session object (actually, a dictonary) holds the chat session
+    logger.debug("Entering route '/'")
+    # api_endpoint = os.environ['BE_API_ENDPOINT']  # Retrieve the environment variable 
+    api_endpoint = global_state.get_backend_api_ep()  # Retrieve the environment variable 
+    logger.debug("Backend API endpoint: %s", api_endpoint)
+    use_model = global_state.get_llm()
+    with open('smartassist/src/html/client.html', 'r') as f:
+        client_html = f.read()
+    logger.debug("Client HTML (first few characters): %s", client_html[:50]) # Print to see if it's loading
+    # logger.debug("Client HTML (all characters): %s", client_html) # Print to see if it's loading
+
+    return render_template('index.html', api_endpoint=api_endpoint, use_model = use_model, client_content=client_html)
+
+@app.route('/set_session')
+def set_session():
+    resp = make_response()
+    resp.set_cookie('session', 'some-value', samesite='None', secure=True) # Add SameSite attribute here
+    return resp
+
+@app.route('/profile')
+def profile():
+    # Retrieve data from the session
+    user_id = session.get('user_id')
+
+    if user_id:
+        return f'User ID: {user_id}'
+    else:
+        return 'No user ID found'
+    
+
+@app.route('/<path:filename>')
+def serve_static(filename):
+    return send_from_directory(app.config['STATIC_FOLDER'], filename)
+
+
+# CORS(app, resources={
+#     r"/api/chat": {
+#         "origins": "*",
+#         "headers": ["Origin", "Content-Type", "Authorization"],
+#     }
+# })
+
 CORS(app, resources={
     r"/api/chat": {
-        "origins": "*",
+        "origins": "*"    
-        "headers": ["Origin", "Content-Type", "Authorization"],
     }
 })
     
+
 @app.route('/api/chat', methods=['POST'])
 def chat(url_server = "http://localhost:11434/api/generate", model = "phi3:mini"):
     """
@@ -34,31 +99,38 @@ def chat(url_server = "http://localhost:11434/api/generate", model = "phi3:mini"
     # Get the message from the JSON in the request body
     data = request.get_json()
     message = data.get('query')
+    url_server = data.get('url_server', url_server)  # Use provided URL or default
+    model = data.get('model', model)  # Use provided model or default
+    
+    # Get chat history from session storage (e.g., a dictionary)
+    chat_history = session.get('chat_history', [])
+    
+    # Add the new message to the chat history
+    chat_history.append({'role': 'user', 'message': message})
+    
+    # Update the session with the new chat history
+    session['chat_history'] = chat_history
+    
+    # Create the data dictionary with chat history
+    data_to_send = {
+        "model": model,
+        'prompt': '\n'.join([f"{item['role']}: {item['message']}" for item in chat_history]),
+        "stream": False           
+    }
     
-    # print(f"data = {data}\nmessage = {message}")
-    logger.debug("data = %s\nmessage = %s", str(data), str(message))
     try:
-         # Alternative LLM:          "model": "mannix/llama3-8b-ablitered-v3:latest",
         url = url_server
-        model_to_use = model
-        data = {
-            "model": model_to_use,
-            'prompt': message,
-            "stream": False           
-        }
         headers = {
                     "Content-Type": "application/json",
         }
-        # With API key
-        # headers = {
-        #             "Content-Type": "application/json",
-        #             "Authorization": "Bearer YOUR_API_KEY"  # Replace with your API key
-        # }
         
         response = requests.post(url,
                                  headers=headers, 
-                                 data=json.dumps(data))
+                                 data=json.dumps(data_to_send))
         response.raise_for_status()  # Raise an exception for bad status codes
+        llm_response = response.json()['response']   # Assuming the LLM's response is under 'response' key
+        chat_history.append({'role': 'assistant', 'message': llm_response})  # Add assistant response to chat history
+        logger.debug(f"Chat History: {chat_history}")
         return response.json()
     except requests.exceptions.RequestException as e:
         logger.error("Request Exception: %s", str(e))        
@@ -68,6 +140,7 @@ def chat(url_server = "http://localhost:11434/api/generate", model = "phi3:mini"
         return jsonify({'error': 'Invalid JSON response from server'}), 500
 
 
+
 @app.route('/smartassist', methods=["POST"])
 def smartassist():
     # Extract the query from the incoming JSON data
@@ -82,27 +155,25 @@ def smartassist():
     return jsonify({"response": response})
 
 def get_response(user_query):
-  # Create a client object for interacting with OLLAMA API
+    client = Client()   # Create a client object for interacting with OLLAMA API
-    client = Client()
+    response = client.generate_response(user_query)   # Generate and retrieve the response based on user's query
-    # Generate and retrieve the response based on user's query
-    response = client.generate_response(user_query)
-    # Return the generated response
     return response     
 
-# def run_flask(fport=5005):
+
-#     """
+def run_flask(fport=5005):
-#     Starts the Flask server
+    """
-#     """
+    Starts the Flask server
-#     # Flask endpoint for user interaction
+    """
-#     logger.debug("Entering run_flask()")
+    # Flask endpoint for user interaction
-#     # app.run(port = str(str(fport)), debug=False)
+    logger.debug("Entering run_flask()")
-#     app.run(port = str(str(fport)), debug=True)
+    # app.run(port = str(str(fport)), debug=False)
-#     # app.run(port=5000, debug=True, use_reloader=False)
+    app.run(port = str(str(fport)), debug=True)
-#     logger.debug("Exiting run_flask()")
+    # app.run(port=5000, debug=True, use_reloader=False)
+    logger.debug("Exiting run_flask()")
 
 
 if __name__ == '__main__':
     # Run the Flask application
-    run_flask(app)
+    run_flask()
 
 

smartassist/src/client.html

@@ -1,50 +0,0 @@
-<!--
-Run a simple HTTP server in the directory containing your HTML file
-python -m http.server 8000
-Open your web browser and navigate to http://localhost:8000/smartassist/src/client.html
-Note that the path starts from where the python venv was defined (project root)
--->
-
-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <title>Ollama Interaction</title>
-    <style>
-        /* Basic styling */
-        body { font-family: Arial, sans-serif; }
-        #chatbox {
-            width: 80%; /* responsive width */
-            max-width: 400px;
-            height: 300px;
-            border: 1px solid #ccc;
-            overflow-y: scroll;
-            padding: 10px;
-        }
-        .message {
-            margin-bottom: 10px;
-        }
-        .user-message {
-            background-color: #eae2d5;
-            padding: 10px;
-            border-radius: 10px;
-        }
-        .ai-response {
-            background-color: #cfc68b;
-            padding: 10px;
-            border-radius: 10px;
-        }
-    </style>
-</head>
-<body>
-    <h1>Ollama Interaction</h1>
-    <div id="chatbox">
-        <!-- messages will be rendered here -->
-    </div>
-    <input type="text" id="userInput" placeholder="Type your message here...">
-    <button onclick="sendMessage()">Send</button>
-
-    <!-- Link to the external frontend.js script (relative or absolute path)-->
-    <script src="frontend.js"></script>
-</body>
-</html>

smartassist/src/frontend.js

@@ -1,53 +0,0 @@
-
-// Get the user input element from the DOM
-const chatbox = document.getElementById('chatbox');
-const userInput = document.getElementById('userInput');
-
-// Define a function to send the user's message to the AI
-function sendMessage() {
-  // Get the user's input message and trim any whitespace
-    const query = userInput.value.trim();
-
-    // Check if the message is not empty
-    if (query !== '') {
-        // Send a POST request to the /api/chat endpoint with the message
-        fetch('http://localhost:5005/api/chat', {
-            method: 'POST',
-            headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify({ query }),
-        })
-        .then(response => response.json())
-        .then(data => {
-            // Get the AI's response from the API data
-            const aiResponse = data.response;
-
-            // Render the user's original message in the chatbox
-            renderMessage(query, 'user-message');
-
-            // Render the AI's response in the chatbox
-            renderMessage(aiResponse, 'ai-response');
-
-            // Clear the user input field for the next message
-            userInput.value = '';
-        })
-        .catch(error => console.error('Error sending message:', error));
-    }
-}
-
-
-
-
-// Define a function to render a message in the chatbox with a specific class name
-function renderMessage(text, className) {
-    // Create a new div element to hold the message
-    const messageElement = document.createElement('div');
-
-    // Add the specified class name to the element
-    messageElement.className = className;
-
-    // Set the text content of the element to the message text
-    messageElement.textContent = text;
-
-    // Append the message element to the chatbox
-    chatbox.appendChild(messageElement);
-}

smartassist/src/html/client.html

@@ -0,0 +1,88 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Ollama Chat</title>
+    <link rel="stylesheet" href="/css/clientstyle.css"> 
+    <!-- <link rel="stylesheet" href="python_test/smartassist/src/css/clientstyle.css">  -->
+</head>
+<body>
+    <h1>Ollama Chat</h1>
+    <div id="chatbox">
+        <!-- messages will be rendered here -->
+    </div>
+    <textarea id="userInput" placeholder="Type your message..." rows="5"></textarea>
+    <button id="sendButton" onclick="sendMessage()">Send</button>
+
+    <!-- Get the apiEndpoint and the useModel -->
+    <!-- <script>
+        const apiEndpoint = window.apiEndpoint;
+        const useModel = window.useModel;
+        console.log("client.html - API Endpoint: ", apiEndpoint);
+        console.log("client.html - use model: ", useModel);
+    </script> -->
+
+    <!-- <script>
+        let apiEndpoint; // Make variable available outside of the scope of the event listener
+        let useModel; // Make variable available outside of the scope of the event listener
+        window.addEventListener('message', function(event) {
+            if (event.origin === 'http://localhost:5004') { // Make sure this matches your origin
+                const { apiEndpoint, useModel } = event.data;
+                console.log("client.html - API Endpoint: ", apiEndpoint);
+                console.log("client.html - use model: ", useModel);
+                window.apiEndpoint  = apiEndpoint; 
+                window.useModel  = useModel;
+            }   
+        });
+    </script> -->
+
+    <!-- Marked-it for markdown rendering -->
+    <script src="https://cdn.jsdelivr.net/npm/markdown-it@14.1.0/dist/markdown-it.min.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/markdown-it@14/dist/markdown-it.min.js"></script>
+
+
+
+    <!-- Include MathJax library to render mathematical notation -->
+    <script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
+    <script>
+        window.MathJax = {
+          loader: { load: ['input/tex', 'output/chtml'] },
+          tex: {
+            packages: ['base', 'ams'],
+            inlineMath: [['$', '$']]
+          }
+        };
+    </script>
+
+
+
+
+    <script>
+        const chatContainer = document.getElementById('chatbox');
+
+        // Handle resize events
+        window.addEventListener('resize', 
+            function() {
+                chatContainer.style.height = 'auto'; 
+        });
+
+        const userInputElement = document.getElementById('userInput');
+
+        userInputElement.addEventListener('keydown', function(event) {
+            if (event.shiftKey && event.key === 'Enter') { // Shift+Enter for newline
+                event.preventDefault(); 
+                userInputElement.value += '\n';
+            } else if (event.key === 'Enter') {  // Enter to send message
+                window.frontendApi.sendMessage();
+                userInputElement.value = ''; // Clear the input field after sending
+                event.preventDefault();
+            }
+        });
+
+    </script>
+
+    <!-- Get the javascript handling communication with the backend -->
+    <script src="/js/frontend.js"></script>
+</body>
+</html>
+

smartassist/src/startservices.py

@@ -3,39 +3,24 @@ import subprocess
 import os
 import yaml
 import json
-# from backend import run_flask
 import socket
 import urllib.parse
+from backend import run_flask
 import logging
 import utils
-from utils import set_local_logger, run_flask
+from utils import GlobalState
 
-# global log_level
+global_state = GlobalState() # Configure root logger. The level will be adjusted later based on config file
-
+logger = global_state.getLogger(__name__)  # Logger for this module, inherit properties of the root logger
-# logger = logging.getLogger(__name__)
-
-# def set_local_logger(log_instance):
-#     """
-#     Configure logging based on the global variable log_level
-#     Logging is controlled by integer values, where DEBUG < INFO < WARNING < ERROR < CRITICAL.
-#     To turn off logging completely, set numeric_log_level to at least CRITICAL + 1.
-#     """
-#     global log_level
-#     numeric_log_level = getattr(logging, log_level, None)
-#     if not isinstance(numeric_log_level, int):
-#         raise ValueError('Invalid log level: %s' % log_level)
-    
-#     logging.basicConfig(level=numeric_log_level)  # Set the root logger level to the configured level
-#     log_instance.info('Log level set to {}'.format(log_level))  # Example usage of the logger
 
 def configure():
     """
     Reads YAML configruation file into dictionary, parse it and fill all referenceed
     environment variables with their values.
     """
-    ##################
+    ####################################
     # Read YAML config
-    ##################
+    ####################################
     # Load configuration file that defines parameters for services
     with open('./smartassist/config/smartassist.yaml') as f:
         config = yaml.safe_load(f)
@@ -57,42 +42,62 @@ def configure():
     # Update the config dictionary with resolved environment variables
     updated_config = update_dict_with_env_vars(config)
  
-    ##################
+    ####################################
     # Extract global logging level
-    ##################
+    ####################################
-    # The log_level variable will be used by the logger module to set the log level
-    global log_level # REALLY NECESSARY TO DEFINE THIS GLOBAL AGAIN???
-    log_level = 'INFO'  # Default value if not specified in the config file
     if isinstance(updated_config.get('logging'), dict): # Look for 'logging' key in config file
         logging_config = updated_config['logging'] 
         if isinstance(logging_config.get('level'), str): # Set to value of the yaml file if specified
-            log_level = logging_config['level'] 
+            global_state.set_log_level(logging_config['level'])
+            logger.debug("configure(): This logger now has effective log level %s", logger.getEffectiveLevel())
 
-    set_local_logger(utils.logger) # Set log level for logger based on log_level
+    ####################################
+    # Extract and export backend API
+    # endpoint as global state variable
+    ####################################
+    if isinstance(updated_config.get('backend'), dict): # Look for 'backend' key
+        if isinstance(updated_config['backend'].get('url'), str): # Look for 'url' key
+            url = updated_config['backend'].get('url')
+            if isinstance(updated_config['backend'].get('api'), str): # Look for 'api' key
+                api = updated_config['backend'].get('api')
+                # backend_api_ep = url+api # Extract API endpoint if defined
+                logger.debug(f"Constructing endpoint address as url+api: {url+api}")
+                global_state.set_backend_api_ep(url+api) # Extract API endpoint if defined and set in global_state 
+                logger.debug(f"Backend API endpoint is set to {global_state.get_backend_api_ep()}")
+    # os.environ['BE_API_ENDPOINT'] = backend_api_ep # Look into alternative way to share this with backend.py
+
+    ####################################
+    # Extract Ollama parameters (url, api_key, model)
+    ####################################
+    if isinstance(updated_config.get('ollama'), dict): # Look for 'ollama' key
+        if isinstance(updated_config['ollama'].get('model'), str): # Look for 'model' key
+            model_to_use = updated_config['ollama'].get('model')
+            global_state.set_llm(model_to_use)
+            logger.debug("configure(): LLM is set to: %s",global_state.get_llm())
 
     return updated_config
 
 
-def start_frontend(config):
+# def start_frontend(config):
-    parsed_url = urllib.parse.urlparse(config['frontend']['url'])
+#     parsed_url = urllib.parse.urlparse(config['frontend']['url'])
-    hostname = parsed_url.netloc.split(':')[0]  # Split by ':' and take the first part, i.e., 'localhost', IP, or domain name
+#     hostname = parsed_url.netloc.split(':')[0]  # Split by ':' and take the first part, i.e., 'localhost', IP, or domain name
-    port = parsed_url.port  # This is the server port
+#     port = parsed_url.port  # This is the server port
 
-    # Use the socket module in Python to check whether a port is in use, 
+#     # Use the socket module in Python to check whether a port is in use, 
-    # which would indicate that a server is already running on that port. 
+#     # which would indicate that a server is already running on that port. 
-    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+#     with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
-        try:
+#         try:
-            s.bind((hostname, port))
+#             s.bind((hostname, port))
-            utils.logger.info("No server is running on %s -— starting one.", parsed_url.netloc)
+#             logger.debug("No server is running on %s -— starting one.", parsed_url.netloc)
-            # Start frontend (web server) as a separate process
+#             # Start frontend (web server) as a separate process
-            subprocess.Popen(["python", "-m", "http.server", str(port)])
+#             subprocess.Popen(["python", "-m", "http.server", str(port)])
-        except socket.error as e:
+#         except socket.error as e:
-            if e.errno == 48:
+#             if e.errno == 48:
-                utils.logger.error("A server is already running on %s -— will use this.", parsed_url.netloc)
+#                 logger.debug("A server is already running on %s -— will use this.", parsed_url.netloc)
-            else:
+#             else:
-                raise  # Unexpected error, re-raise it so we can see the traceback
+#                 raise  # Unexpected error, re-raise it so we can see the traceback
-        except Exception as e:
+#         except Exception as e:
-            utils.logger.error("Failed to start frontend: %s", str(e)) # Corresponds to print(f"Failed to start frontend: {e}")
+#             logger.error("Failed to start frontend: %s", str(e)) # Corresponds to print(f"Failed to start frontend: {e}")
             
 
 
@@ -100,17 +105,17 @@ def start_backend(config):
     parsed_url = urllib.parse.urlparse(config['backend']['url'])
     # hostname = parsed_url.netloc.split(':')[0]  # Split by ':' and take the first part, i.e., 'localhost', IP, or domain name
     port = parsed_url.port  # This is the server port
-    utils.logger.debug('Backend parsed url set to {}'.format(parsed_url))
+    logger.debug('Backend parsed url set to {}'.format(parsed_url))
-    utils.logger.debug('Backend port set to {}'.format(port))
+    logger.debug('Backend port set to {}'.format(port))
 
     try:
         run_flask(fport = port)
     except Exception as e:
-        utils.logger.error("Failed to start backend: %s", str(e)) # Corresponds to print(f"Failed to start backend: {e}")
+        logger.error("Failed to start backend: %s", str(e)) # Corresponds to print(f"Failed to start backend: {e}")
 
 if __name__ == '__main__':
     conf = configure() # Read config from file and set up config dict
-    utils.logger.debug('conf dictionary set to {}'.format(json.dumps(conf, indent=4)))
+    logger.debug('conf dictionary set to {}'.format(json.dumps(conf, indent=4)))
-    start_frontend(config=conf) 
+    # start_frontend(config=conf) # Not needed as we are using Flask for backend now
     start_backend(config=conf)
 

smartassist/src/static/css/clientstyle.css

@@ -0,0 +1,85 @@
+body {
+    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+    background-color: #f4f4f4;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    min-height: 100vh;
+    margin: 0;
+}
+
+h1 {
+    color: #333;
+    margin-bottom: 20px;
+}
+
+#chatbox {
+    width: calc(50% - 60px); /* Adjust width for input and button */
+    /* max-width: 500px; */
+    height: 600px;
+    /* background-color: #fff8bc; */
+    background-color: #ffffff;
+    border-radius: 10px;
+    padding: 20px;
+    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
+    overflow: auto; /* Allow horizontal and vertical scrolling of the chatbox */
+    resize: both; /* Allow resizing vertically */
+    border: 1px solid #ccc; /* Add a thin grey border around chatbox */
+    margin-bottom: 20px; /* Add some space between chatbox and userInput */
+}
+
+.message {
+    margin-bottom: 15px;
+}
+
+.user-message {
+    background-color: #9cc1ecbb;
+    padding: 10px 15px;
+    border-radius: 10px;
+    text-align: left; /* Align user messages to the left */
+}
+
+.ai-response {
+    /* background-color: #f0f8ff; */
+    background-color: #f5ecd0;
+    padding: 10px 15px;
+    border-radius: 10px;
+    text-align: left; /* Align AI responses to the left */
+}
+
+#userInput {
+    width: calc(50% - 60px); /* Adjust width for input and button */
+    padding: 10px;
+    border: 1px solid #ccc;
+    border-radius: 5px;
+    margin-bottom: 10px;
+    font-family: 'Courier New', Courier, monospace; /* Fixed width typeface */
+}
+
+#userInput:focus {
+    outline: none;
+    border-color: #66afe9; /* Blue outline on focus */
+}
+
+button[onclick="sendMessage()"] {
+    background-color: #4CAF50; /* Green */
+    border: none;
+    color: white;
+    padding: 10px 20px;
+    text-align: center;
+    text-decoration: none;
+    display: inline-block;
+    font-size: 16px;
+    border-radius: 5px;
+    cursor: pointer;
+    transition: background-color 0.3s; /* Smooth transition effect */
+}
+
+button[onclick="sendMessage()"]:hover {
+    background-color: #b2b2b2; /* Light Grey on hover */
+}
+
+button[onclick="sendMessage()"]:active {
+    background-color: #6f6f6f; /* Dark Grey when clicked */
+}
+

smartassist/src/static/js/frontend.js

@@ -0,0 +1,192 @@
+
+// // Get the user input element from the DOM
+// const chatbox = document.getElementById('chatbox');
+// const userInput = document.getElementById('userInput');
+
+// const parser = window.markdownit({
+//   linkify: true,
+//   strikethrough: true,
+// });
+
+// parser.enable(['table']);
+
+// // const apiEndpoint  = window.apiEndpoint;  // Get the API endpoint
+// // const useModel  = window.useModel;      // Get whether to use a model or not
+// // console.log("frontend.js - API Endpoint:  ", window.apiEndpoint);
+// // console.log("frontend.js - Use model:  ", window.useModel);
+
+// let apiEndpoint; // Make variable available outside of the scope of the event listener
+// let useModel; // Make variable available outside of the scope of the event listener
+// window.addEventListener('message', function(event) {
+//     if (event.origin === 'http://localhost:5004') { // Make sure this matches your origin
+//         const { apiEndpoint, useModel } = event.data;
+//         console.log("client.html - API Endpoint: ", apiEndpoint);
+//         console.log("client.html - use model: ", useModel);
+//         window.apiEndpoint  = apiEndpoint; 
+//         window.useModel  = useModel;
+//     }   
+// });
+
+// console.log("frontend.js  - API Endpoint:  ", window.apiEndpoint);
+// console.log("frontend.js  - Use model:  ", window.useModel);
+
+// // Define a function to send the user's message to the AI
+// function sendMessage() {
+//   // Get the user's input message and trim any whitespace
+//     const query = userInput.value.trim();
+
+//     // Check if the message is not empty
+//     if (query !== '') {
+ 
+//         // fetch(`${apiEndpoint}`, {
+//         fetch(apiEndpoint, {
+//             method: 'POST',
+//             headers: { 'Content-Type': 'application/json' },
+//             body: JSON.stringify({ query, model: useModel }), // Add these parameters here
+//             // body: JSON.stringify({ query, url_server: "http://your-custom-url", model: "phi3:mini" }), // Add these parameters here
+//         })
+//         .then(response => response.json())
+//         .then(data => {
+//             // Get the AI's response from the API data
+//             const aiResponse = data.response;
+
+//             // Render the user's original message in the chatbox
+//             renderMessage(query, 'user-message');
+
+//             // Render the AI's response in the chatbox
+//             renderMessage(aiResponse, 'ai-response');
+
+//             // Clear the user input field for the next message
+//             userInput.value = '';
+//         })
+//         .catch(error => console.error('Error sending message:', error));
+//     }
+// }
+
+
+
+// // Define a function to render a message in the chatbox with a specific class name
+// function renderMessage(text, className) {
+//     // Create a new div element to hold the message
+//     const messageElement = document.createElement('div');
+
+//     // Add the specified class name to the element
+//     messageElement.className = className;
+
+//     // // Set the text content of the element to the message text
+//     // messageElement.textContent = text;
+
+//     // Use the markdown-it parser
+//     const html = parser.render(text);
+//     messageElement.innerHTML = html;
+
+//     // Append the message element to the chatbox immediately
+//     // chatbox.appendChild(messageElement);
+
+//     // Typeset math in the message element
+//     MathJax.typesetPromise([messageElement]).then(() => {
+//         // No need to append anything here, it's already appended above
+//         chatbox.appendChild(messageElement);
+
+//     });
+// }
+
+// // Make the button toggle colour when user presses Enter on keyboard
+// const sendButton = document.getElementById('sendButton');
+
+// document.addEventListener('keydown', function(event) {
+//     if (event.key === 'Enter') {
+//         sendButton.style.backgroundColor = '#6f6f6f'; // Dark Grey when Enter is pressed
+//     }
+// });
+
+// document.addEventListener('keyup', function() {
+//     sendButton.style.backgroundColor = ''; // Restore the original style when any key is released
+// });
+
+
+
+// Get the user input element from the DOM
+const chatbox = document.getElementById('chatbox');
+const userInput = document.getElementById('userInput');
+const parser = window.markdownit({
+  linkify: true,
+  strikethrough: true,
+});
+parser.enable(['table']);
+
+let apiEndpoint; // Make variable available outside of the scope of the event listener
+let useModel; // Make variable available outside of the scope of the event listener
+
+const frontendApi = {
+  // Define a function to send the user's message to the AI
+  sendMessage: function() {
+    if (!window.apiEndpoint || !window.useModel) { // Check if we're ready before proceeding
+      console.error("Not ready yet. Please wait for apiEndpoint and useModel to be set.");
+      return;
+    }
+    
+    // Get the user's input message and trim any whitespace
+    const query = userInput.value.trim();
+    // Check if the message is not empty
+    if (query !== '') {
+      fetch(window.apiEndpoint, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ query, model: window.useModel }), // Add these parameters here
+      })
+      .then(response => response.json())
+      .then(data => {
+        // Get the AI's response from the API data
+        const aiResponse = data.response;
+        // Render the user's original message in the chatbox
+        this.renderMessage(query, 'user-message');
+        // Render the AI's response in the chatbox
+        this.renderMessage(aiResponse, 'ai-response');
+        // Clear the user input field for the next message
+        userInput.value = '';
+      })
+      .catch(error => console.error('Error sending message:', error));
+    }
+  },
+  // Define a function to render a message in the chatbox with a specific class name
+  renderMessage: function(text, className) {
+    // Create a new div element to hold the message
+    const messageElement = document.createElement('div');
+    // Add the specified class name to the element
+    messageElement.className = className;
+    // Use the markdown-it parser
+    const html = parser.render(text);
+    messageElement.innerHTML = html;
+    // Append the message element to the chatbox immediately
+    chatbox.appendChild(messageElement);
+  },
+};
+
+// Wait for the event listener to set apiEndpoint and useModel
+window.addEventListener('message', function(event) {
+  if (event.origin === 'http://localhost:5004') { // Make sure this matches your origin
+    const { apiEndpoint, useModel } = event.data;
+    console.log("fronend.js - API Endpoint: ", apiEndpoint);
+    console.log("fronend.js - use model: ", useModel);
+    window.apiEndpoint = apiEndpoint;
+    window.useModel = useModel;
+  }
+});
+
+// Wait for the DOM to be fully loaded before making the API available
+document.addEventListener('DOMContentLoaded', function() {
+  window.frontendApi = frontendApi;
+});
+
+
+// Make the button toggle colour when user presses Enter on keyboard
+const sendButton = document.getElementById('sendButton');
+document.addEventListener('keydown', function(event) {
+  if (event.key === 'Enter') {
+    sendButton.style.backgroundColor = '#6f6f6f'; // Dark Grey when Enter is pressed
+  }
+});
+document.addEventListener('keyup', function() {
+  sendButton.style.backgroundColor = ''; // Restore the original style when any key is released
+});

smartassist/src/templates/index.html

@@ -0,0 +1,54 @@
+<!DOCTYPE html>
+<html>
+<head>
+<!-- <title>Frontend</title> -->
+</head>
+<body>
+
+
+    <!-- This iframe will hold the content from client.html -->
+    <!-- Passing the API endpoint as a query parameter to the srcdoc attribute -->
+    <!-- srcdoc="{{ client_content }}?apiEndpoint={{ api_endpoint }}/"> -->
+
+    <iframe id="client-frame" 
+            style="width: 100%; height: 100vh;" 
+            srcdoc="{{ client_content }}">
+    </iframe>
+
+    <!-- <script>
+        // Extract apiEndpoint for use in your frontend code...
+        const apiEndpoint = '{{ api_endpoint }}';  // Templating syntax (Jinja2)
+        const useModel = '{{ use_model }}';  // Templating syntax (Jinja2)
+        // Tell the iframe about the apiEndpoint
+        document.getElementById('client-frame').contentWindow.apiEndpoint = apiEndpoint;
+        document.getElementById('client-frame').contentWindow.useModel = useModel;
+        console.log("index.html - API Endpoint: ", apiEndpoint);
+        console.log("index.html - use model: ", useModel);
+    </script> -->
+
+    <script>
+        // Extract apiEndpoint for use in frontend.js
+        const apiEndpoint = '{{ api_endpoint }}';  // Templating syntax (Jinja2)
+        const useModel = '{{ use_model }}';  // Templating syntax (Jinja2)
+        window.addEventListener('load', function() {
+            const clientFrame = document.getElementById('client-frame').contentWindow;
+            clientFrame.postMessage({ apiEndpoint, useModel }, '*'); // Send the data to the iframe
+        });
+        console.log("index.html - API Endpoint: ", apiEndpoint);
+        console.log("index.html - use model: ", useModel);
+    </script>
+
+    <!-- Responsive scaling and some padding -->
+    <script>
+        const clientFrame = document.getElementById('client-frame');
+      
+        function resizeIframe() {
+            clientFrame.style.height = window.innerHeight - 50 + 'px'; // Adjust the subtraction for padding/margins if needed
+        }
+      
+        window.addEventListener('resize', resizeIframe);
+        resizeIframe(); // Call it once on page load
+    </script>
+
+</body>
+</html>

smartassist/src/utils.py

@@ -3,33 +3,73 @@
 # is that it is easier to avoid circular imports when they are defined in a central location.
 import logging
 
-global log_level
+class GlobalState:
-log_level = 'INFO'
-
-logger = logging.getLogger(__name__)
-
-def set_local_logger(log_instance):
     """
-    Configure logging based on the global variable log_level
+     This class holds various variables and methods which are accessible across 
-    Logging is controlled by integer values, where DEBUG < INFO < WARNING < ERROR < CRITICAL.
+     different modules in the Python project using the Singleton design pattern. 
-    To turn off logging completely, set numeric_log_level to at least CRITICAL + 1.
+     This ensures that only one instance of the class is created and shared among 
+     all modules, preventing circular imports and providing a centralized location 
+     for managing shared resources.
     """
-    global log_level
+    _instance = None  # Private class attribute to hold the single instance of the class
-    numeric_log_level = getattr(logging, log_level, None)
-    if not isinstance(numeric_log_level, int):
-        raise ValueError('Invalid log level: %s' % log_level)
 
-    logging.basicConfig(level=numeric_log_level)  # Set the root logger level to the configured level
+    def __new__(cls):
-    log_instance.info('Log level set to {}'.format(log_level))  # Example usage of the logger
+        if cls._instance is None:
+            cls._instance = super(GlobalState, cls).__new__(cls)
+            cls._instance.log_level = 'INFO'  # Default logging level
+            cls._instance.logger = logging.getLogger() # Get root logger for the caller module
+            handler = logging.StreamHandler() # Or other handler (FileHandler for logs to file)
+            formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
+            handler.setFormatter(formatter)
+            cls._instance.logger.addHandler(handler)
+            cls._instance.logger.setLevel(getattr(logging, cls._instance.log_level))  # Initialize root logger level
+            cls._instance.logger.info(" __new__(cls): Logger in GlobalState created: %s", cls._instance.logger)
+            cls._instance.llm = "phi3:mini" # Default LLM for queries. TODO: Check with ollama server that it actually exists
+            cls._instance.backend_api_ep = "http://localhost:5005/api/chat" # Default backend API endpoint
+        return cls._instance
 
+    def configure_logging(self, level=None):
+        """Set up logging for the project."""
+        if level is None:
+            level = self.log_level
+        # numeric_level = getattr(logging, level.upper())  # Convert string to numeric level
+        numeric_level = getattr(logging, level.upper())  # Convert string to numeric level
+        self.logger.setLevel(numeric_level)
+        self.logger.debug(f"utils.py -- configure_logging(): effective log level is {level} which is {self.logger.getEffectiveLevel()}")
+
+    def set_log_level(self, level = 'INFO'):
+        """Set the logging level."""
+        self.log_level = level
+        self.configure_logging()
+
+    def get_log_level(self):
+        """Getter for log_level attribute."""
+        return self.log_level
+    
+    def get_effective_log_level(self):
+        """Getter for effective log level of loggerattribute."""
+        return self.logger.getEffectiveLevel()
+    
+    def getLogger(self, module_name = None):
+        """Return a logger based on the module name."""
+        if module_name is None:
+            module_name = __name__
+        logger = logging.getLogger(module_name)
+        return logger
+    
+    def set_llm(self, model_name="phi3:mini"):
+        """Set LLM for queries"""
+        self.llm = model_name
+
+    def get_llm(self):
+        """Getter for which LLM is used for queries"""
+        return self.llm
+    
+    def set_backend_api_ep(self, be_api_ep=None):
+        """Set backend API endpoint"""
+        self.backend_api_ep = be_api_ep
+
+    def get_backend_api_ep(self):
+        """Getter for backend API endpoint"""
+        return self.backend_api_ep
     
-def run_flask(app, fport=5005):
-    """
-    Starts the Flask server
-    """
-    # Flask endpoint for user interaction
-    logger.debug("Entering run_flask()")
-    # app.run(port = str(str(fport)), debug=False)
-    app.run(port = str(str(fport)), debug=True)
-    # app.run(port=5000, debug=True, use_reloader=False)
-    logger.debug("Exiting run_flask()")