from django.db import models

from posthog.models.dashboard import Dashboard
from posthog.models.utils import UUIDModel, sane_repr


# We call models that grant a user access to some resource (which isn't a grouping of users) a "privilege"
class DashboardPrivilege(UUIDModel):
    dashboard = models.ForeignKey(
        "posthog.Dashboard",
        on_delete=models.CASCADE,
        related_name="privileges",
        related_query_name="privilege",
    )
    user = models.ForeignKey(
        "posthog.User",
        on_delete=models.CASCADE,
        related_name="explicit_dashboard_privileges",
        related_query_name="explicit_dashboard_privilege",
    )
    level = models.PositiveSmallIntegerField(choices=Dashboard.RestrictionLevel.choices)
    added_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    class Meta:
        constraints = [
            models.UniqueConstraint(fields=["dashboard", "user"], name="unique_explicit_dashboard_privilege")
        ]

    __repr__ = sane_repr("dashboard", "user", "level")