from django.db import models
from django.utils.translation import gettext_lazy as _

from aleksis.core.mixins import ExtensibleModel, ExtensiblePolymorphicModel
from aleksis.core.models import Group, Person


class MatrixProfile(ExtensibleModel):
    """Model for a Matrix profile."""

    matrix_id = models.CharField(verbose_name=_("Matrix ID"), unique=True)
    person = models.OneToOneField(
        Person,
        on_delete=models.CASCADE,
        verbose_name=_("Person"),
        null=True,
        blank=True,
        related_name="matrix_profile",
    )

    class Meta:
        verbose_name = _("Matrix profile")
        verbose_name_plural = _("Matrix profiles")


class MatrixRoom(ExtensiblePolymorphicModel):
    """Model for a Matrix room."""

    room_id = models.CharField(verbose_name=_("Room ID"), unique=True)
    alias = models.CharField(verbose_name=_("Alias"), unique=True, blank=True, null=True)
    group = models.ForeignKey(
        Group,
        on_delete=models.CASCADE,
        verbose_name=_("Group"),
        null=True,
        blank=True,
        related_name="matrix_spaces",
    )

    class Meta:
        verbose_name = _("Matrix room")
        verbose_name_plural = _("Matrix rooms")


class MatrixSpace(MatrixRoom):
    children = models.ManyToManyField(
        to=MatrixRoom, verbose_name=_("Child rooms/spaces"), blank=True, related_name="parents"
    )

    class Meta:
        verbose_name = _("Matrix space")
        verbose_name_plural = _("Matrix spaces")