from django.db import models
from django.contrib.auth.models import AbstractUser
from django.contrib.auth.models import Group as BuiltinGroup


class User(AbstractUser):
    groups = models.ManyToManyField(
        "auth.Group",
        related_name="user_groups",
        blank=True,
    )
    user_permissions = models.ManyToManyField(
        "auth.Permission",
        related_name="user_permissions",
        blank=True,
    )


class Group(BuiltinGroup):
    class Meta:
        proxy = True


class Berichtsheft(models.Model):
    id = models.AutoField(primary_key=True)
    user = models.TextField()
    num = models.PositiveBigIntegerField(default=0)
    year = models.PositiveIntegerField()
    week = models.PositiveSmallIntegerField()
    content = models.JSONField()
    created = models.DateTimeField(auto_now_add=True)

    def __str__(self):
        return (
            f"Berichtsheft: {self.user.username}, Year: {self.year}, Week: {self.week}"
        )


class Approval:
    id = models.AutoField(primary_key=True)
    user = models.TextField()
    report = models.ForeignKey(
        Berichtsheft, on_delete=models.CASCADE, related_name="report"
    )