import time
import json
import threading
import logging
import os

class SessionManager:
    def __init__(self, config_file=None):
        self.config_file = config_file or os.getenv('CONFIG_FILE', 'config.json')
        self.load_config()
        self.sessions = {}
        self.lock = threading.Lock()
        self.setup_logging()

    def load_config(self):
        try:
            with open(self.config_file, 'r') as f:
                self.config = json.load(f)
        except FileNotFoundError:
            self.config = {}

    def save_config(self):
        with open(self.config_file, 'w') as f:
            json.dump(self.config, f)

    def start_session(self, user_id):
        with self.lock:
            self.sessions[user_id] = time.time()
            logging.info(f"Session started for user {user_id}")

    def end_session(self, user_id):
        with self.lock:
            if user_id in self.sessions:
                del self.sessions[user_id]
                logging.info(f"Session ended for user {user_id}")

    def check_session_timeout(self):
        while True:
            with self.lock:
                current_time = time.time()
                timeout = self.config.get('session_timeout', 300)
                for user_id, start_time in list(self.sessions.items()):
                    if current_time - start_time > timeout:
                        self.end_session(user_id)
                        logging.info(f"Session for user {user_id} has timed out.")
            time.sleep(60)

    def run(self):
        threading.Thread(target=self.check_session_timeout, daemon=True).start()

    def setup_logging(self):
        log_directory = os.getenv('LOG_DIRECTORY', 'logs')
        os.makedirs(log_directory, exist_ok=True)
        logging.basicConfig(filename=os.path.join(log_directory, 'session_management.log'), level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')

    def log_user_activity(self, user_id, activity):
        with self.lock:
            logging.info(f"User {user_id} activity: {activity}")

    def implement_session_timeout(self):
        while True:
            with self.lock:
                current_time = time.time()
                timeout = self.config.get('session_timeout', 300)
                for user_id, start_time in list(self.sessions.items()):
                    if current_time - start_time > timeout:
                        self.end_session(user_id)
                        logging.info(f"Session for user {user_id} has timed out.")
            time.sleep(60)

    def establish_persistence(self, user_id):
        logging.info(f"Establishing persistence for user {user_id}")
        # Implement persistence logic here

    def escalate_privileges(self, user_id):
        logging.info(f"Escalating privileges for user {user_id}")
        # Implement privilege escalation logic here

    def post_exploitation(self, user_id):
        logging.info(f"Performing post-exploitation tasks for user {user_id}")
        self.establish_persistence(user_id)
        self.escalate_privileges(user_id)
        # Add more post-exploitation tasks as needed

    def test_post_exploitation(self, user_id):
        logging.info(f"Testing post-exploitation tasks for user {user_id}")
        self.post_exploitation(user_id)
        # Add logic to evaluate the effectiveness of post-exploitation tasks

    def fine_tune_post_exploitation(self, user_id):
        logging.info(f"Fine-tuning post-exploitation tasks for user {user_id}")
        # Add logic to fine-tune post-exploitation methods as necessary

    def integrate_post_exploitation(self, user_id):
        logging.info(f"Integrating post-exploitation capabilities for user {user_id}")
        self.post_exploitation(user_id)
        # Add logic to integrate post-exploitation capabilities into the existing system

if __name__ == "__main__":
    session_manager = SessionManager()
    session_manager.run()
    # Example usage
    session_manager.start_session('user1')
    time.sleep(10)
    session_manager.start_session('user2')
    time.sleep(310)
    session_manager.end_session('user1')
    session_manager.test_post_exploitation('user2')
    session_manager.fine_tune_post_exploitation('user2')
    session_manager.integrate_post_exploitation('user2')

# For detailed plans on future implementations, please refer to the `future_implementations_plan.md` file.