import json
import logging

# Class to handle session configuration
class SessionConfig:
    """
    Class to handle loading and managing preferred sessions configuration.
    """

    @staticmethod
    def load_preferred_sessions():
        """
        Load preferred sessions from a JSON file.

        Returns:
            List[Tuple[int, str, str]]: List of preferred sessions in the format
                                        (day_of_week, start_time, session_name_contains)
        """
        preferred_sessions = []

        try:
            with open("preferred_sessions.json", "r") as f:
                data = json.load(f)
                for item in data:
                    day_of_week = item.get("day_of_week", 0)
                    start_time = item.get("start_time", "00:00")
                    session_name_contains = item.get("session_name_contains", "")
                    preferred_sessions.append((day_of_week, start_time, session_name_contains))
        except (FileNotFoundError, json.JSONDecodeError) as e:
            logging.warning(f"Failed to load preferred sessions from file: {str(e)}")
            # Fall back to default hardcoded sessions
            # preferred_sessions = [
            #     (2, "18:30", "CONDITIONING"),   # Wednesday 18:30 CONDITIONING
            #     (4, "17:00", "WEIGHTLIFTING"),  # Friday 17:00 WEIGHTLIFTING
            #     (5, "12:30", "HYROX"),          # Saturday 12:30 HYROX
            # ]

        return preferred_sessions

# Load preferred sessions using the SessionConfig class
PREFERRED_SESSIONS = SessionConfig.load_preferred_sessions()