from CTFd.plugins.flags import BaseFlag
from CTFd.utils.user import get_current_user

from . import report_cheater


class PersonalFlag(BaseFlag):
    name: str = "personal"
    templates = {  # Nunjucks templates used for key editing & viewing
        "create": "/plugins/ctfd_cheaters/assets/create.html",
        "update": "/plugins/ctfd_cheaters/assets/edit.html",
    }

    @staticmethod
    def compare(chal_key_obj, provided):
        saved = chal_key_obj.content
        user_id = chal_key_obj.data

        if len(saved) != len(provided):
            return False
        result = 0

        for x, y in zip(saved, provided):
            result |= ord(x) ^ ord(y)

        if result == 0:
            # If the flag is correct, we need to check if the team is the one associated with the flag
            curr_user_id = get_current_user().id

            if int(user_id) == int(curr_user_id):
                # User is correct
                return True

            # Caught a cheater!
            report_cheater(
                chal_key_obj.challenge_id, curr_user_id, user_id, chal_key_obj.id
            )

        return False