"""
Discussion Configuration Service for XBlock runtime.

This service provides discussion-related configuration and feature flags
that are specific to the edx-platform implementation
for the extracted discussion block in xblocks-contrib repository.
"""

from django.conf import settings
from django.contrib.auth.models import User  # pylint: disable=imported-auth-user
from opaque_keys.edx.keys import CourseKey
from openedx.core.djangoapps.django_comment_common.models import has_permission
from openedx.core.djangoapps.discussions.models import DiscussionsConfiguration, Provider


class DiscussionConfigService:
    """
    Service for providing discussion-related configuration and feature flags.
    """

    def has_permission(self, user: User, permission: str, course_id: CourseKey | None = None) -> bool:
        """
        Return whether the user has the given discussion permission for a given course.
        """
        return has_permission(user, permission, course_id)

    def is_discussion_visible(self, course_key: CourseKey) -> bool:
        """
        Discussion Xblock does not support new OPEN_EDX provider
        """
        provider = DiscussionsConfiguration.get(course_key)
        return provider.provider_type == Provider.LEGACY

    def is_discussion_enabled(self) -> bool:
        """
        Return True if discussions are enabled; else False
        """
        return settings.ENABLE_DISCUSSION_SERVICE