from django.db import models
from django.utils.translation import gettext_lazy as _
from django.contrib.auth.models import AbstractBaseUser, PermissionsMixin
from django.utils import timezone
from .managers import UserManager


class UserInstitution(models.Model):
    name = models.CharField(max_length=255)

    class Meta:
        verbose_name = _("User institution")
        verbose_name_plural = _("User institutions")



class User(AbstractBaseUser, PermissionsMixin):
    first_name = models.CharField(_("first name"), max_length=150, blank=True)
    last_name = models.CharField(_("last name"), max_length=150, blank=True)
    email = models.EmailField(_("email address"), unique=True)
    is_staff = models.BooleanField(
        _("staff status"),
        default=False,
        help_text=_("Designates whether the user can log into this admin site."),
    )
    is_active = models.BooleanField(
        _("active"),
        default=True,
        help_text=_(
            "Designates whether this user should be treated as active. " "Unselect this instead of deleting accounts."
        ),
    )
    date_joined = models.DateTimeField(_("date joined"), default=timezone.now)
    institution = models.ForeignKey(
        UserInstitution, on_delete=models.CASCADE, related_name="users", null=True, blank=True
    )

    USERNAME_FIELD = "email"

    objects = UserManager()  # Here

    class Meta:
        verbose_name = _("User")
        verbose_name_plural = _("Users")