refactor: Remove CrossfitBooker class and simplify booking system

execute_book_session.py

@@ -4,8 +4,15 @@ Script to demonstrate how to execute the book_session method from crossfit_booke
 """
 
 import sys
+import os
 import logging
-from crossfit_booker import CrossFitBooker
+from src.auth import AuthHandler
+from src.booker import Booker
+from src.session_notifier import SessionNotifier
+
+# Load environment variables
+from dotenv import load_dotenv
+load_dotenv()
 
 # Configure logging
 logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
@@ -18,12 +25,40 @@ def main():
 
     session_id = sys.argv[1]
 
-    # Create an instance of CrossFitBooker
-    booker = CrossFitBooker()
+    # Initialize components
+    auth_handler = AuthHandler(
+        os.environ.get("CROSSFIT_USERNAME"),
+        os.environ.get("CROSSFIT_PASSWORD")
+    )
+
+    # Initialize notification system (minimal for single session booking)
+    email_credentials = {
+        "from": os.environ.get("EMAIL_FROM"),
+        "to": os.environ.get("EMAIL_TO"),
+        "password": os.environ.get("EMAIL_PASSWORD")
+    }
+
+    telegram_credentials = {
+        "token": os.environ.get("TELEGRAM_TOKEN"),
+        "chat_id": os.environ.get("TELEGRAM_CHAT_ID")
+    }
+
+    enable_email = os.environ.get("ENABLE_EMAIL_NOTIFICATIONS", "true").lower() in ("true", "1", "yes")
+    enable_telegram = os.environ.get("ENABLE_TELEGRAM_NOTIFICATIONS", "true").lower() in ("true", "1", "yes")
+
+    notifier = SessionNotifier(
+        email_credentials,
+        telegram_credentials,
+        enable_email=enable_email,
+        enable_telegram=enable_telegram
+    )
+
+    # Create an instance of Booker
+    booker = Booker(auth_handler, notifier)
 
     # Login to authenticate
     print("Attempting to authenticate...")
-    if not booker.login():
+    if not auth_handler.login():
         print("Failed to authenticate. Please check your credentials and try again.")
         sys.exit(1)
     print("Authentication successful!")