from django.db import models
from django.contrib.auth.models import AbstractBaseUser, BaseUserManager, AbstractUser
from django.contrib.auth.models import PermissionsMixin


class CustomUserManager(BaseUserManager):
    def create_user(self, email, password=None):
        if not email:
            raise ValueError('Users must have an email address')

        user = self.model(email=CustomUserManager.normalize_email(email),)
        user.set_password(password)
        user.save(using=self._db)
        return user

    def create_superuser(self, email, password):
        user = self.create_user(email, password)
        user.is_admin = True
        user.save(using=self._db)
        return user


class PerformUserManager(models.Manager):
    def get_queryset(self):
        return super(PerformUserManager, self).get_queryset().filter(groups__name='Исполнитель')


class CustomerUserManager(models.Manager):
    def get_queryset(self):
        return super(CustomerUserManager, self).get_queryset().filter(groups__name='Заказчик')


class CustomUser(AbstractBaseUser, PermissionsMixin):
    firstname = models.CharField(max_length=255, blank=True)
    lastname = models.CharField(max_length=255, blank=True)
    email = models.EmailField(max_length=255, unique=True, db_index=True)
    is_active = models.BooleanField(default=True)
    is_admin = models.BooleanField(default=False)

    @property
    def is_staff(self):
        return self.is_admin

    def __str__(self):
        return self.email

    def get_short_name(self):
        return self.email

    def get_full_name(self):
        return self.firstname + ' ' + self.lastname

    # def has_perm(self, perm, obj=None):
    #     perm = perm.split('.')[-1]
    #     if self.user and not self.user.is_active:
    #         return False
    #     elif self.user and self.user.is_superuser:
    #         return True
    #     return perm in self.get_perms(obj)
    #
    #
    def has_perm(self, perm, obj=None):
        # return self.is_admin
        return True
    
    def has_module_perms(self, app_label):
        return self.is_admin
    
    USERNAME_FIELD = 'email'
    REQUIRED_FIELDS = []
    objects = CustomUserManager()
    perform_objects = PerformUserManager()
    customers_objects = CustomerUserManager()