import logging
from typing import List
from src.adware_manager import Payload

class PayloadManager:
    def __init__(self, logger: logging.Logger):
        """
        Initializes the PayloadManager with a logger.

        Args:
            logger (Logging.Logger): The logger instance to use.
        """
        self.logger = logger

    def add_payload(self, name: str, description: str, file_path: str) -> Payload:
        """
        Adds a new payload to the database.

        Args:
            name (str): The name of the payload.
            description (str): A description of the payload.
            file_path (str): The path to the payload file.

        Returns:
            Payload: The created payload object.
        """
        payload = Payload(name=name, description=description, file_path=file_path)
        payload.save()
        self.logger.info(f"Payload '{name}' added successfully.")
        return payload

    def get_payload(self, payload_id: int) -> Payload:
        """
        Retrieves a payload by its ID.

        Args:
            payload_id (int): The ID of the payload to retrieve.

        Returns:
            Payload: The payload object, or None if not found.
        """
        payload = Payload.get_or_none(Payload.id == payload_id)
        if not payload:
            self.logger.warning(f"Payload with ID {payload_id} not found.")
        return payload

    def update_payload(self, payload_id: int, name: str = None, description: str = None, file_path: str = None) -> Payload:
        """
        Updates an existing payload.

        Args:
            payload_id (int): The ID of the payload to update.
            name (str, optional): The new name of the payload.
            description (str, optional): The new description of the payload.
            file_path (str, optional): The new path to the payload file.

        Returns:
            Payload: The updated payload object, or None if not found.
        """
        payload = self.get_payload(payload_id)
        if not payload:
            return None

        if name:
            payload.name = name
        if description:
            payload.description = description
        if file_path:
            payload.file_path = file_path

        payload.save()
        self.logger.info(f"Payload '{payload.name}' updated successfully.")
        return payload

    def delete_payload(self, payload_id: int) -> bool:
        """
        Deletes a payload by its ID.

        Args:
            payload_id (int): The ID of the payload to delete.

        Returns:
            bool: True if the payload was deleted, False otherwise.
        """
        payload = self.get_payload(payload_id)
        if not payload:
            return False

        payload.delete_instance()
        self.logger.info(f"Payload '{payload.name}' deleted successfully.")
        return True

    def list_payloads(self) -> List[Payload]:
        """
        Lists all available payloads.

        Returns:
            List[Payload]: A list of all payload objects.
        """
        payload_list = list(Payload.select())
        return payload_list