from django.contrib.auth.models import BaseUserManager, Group
from django.db.models import Manager


class UserManager(BaseUserManager):
    def create_user(self, email: str = None, password: str = None, **extra_fields):
        if not email:
            raise ValueError("The Email field must be set")
        email = self.normalize_email(email)
        user = self.model(email=email, **extra_fields)
        user.set_password(password)
        user.save(using=self._db)
        return user

    def create_superuser(self, email, password, **extra_fields):
        extra_fields.setdefault('is_staff', True)
        extra_fields.setdefault('is_superuser', True)
        extra_fields.setdefault('is_active', True)
        extra_fields.setdefault('user_type', 'super_admin')

        if extra_fields.get('is_staff') is not True:
            raise ValueError('Superuser must have is_staff=True.')
        if extra_fields.get('is_superuser') is not True:
            raise ValueError('Superuser must have is_superuser=True.')

        return self.create_user(email=email, password=password, **extra_fields)


class ClientUserManager(UserManager):
    def get_queryset(self):
        return super().get_queryset().filter(user_type="client")


class AdminUserManager(UserManager):
    def get_queryset(self):
        return super().get_queryset().filter(user_type="admin")


class SuperAdminUserManager(UserManager):
    def get_queryset(self):
        return super().get_queryset().filter(user_type="super_admin")