from django.db import models
from django.utils import timezone
from phonenumber_field.modelfields import PhoneNumberField
from django.contrib.auth.models import PermissionsMixin
from django.contrib.auth.models import(
    AbstractBaseUser,
    BaseUserManager
)

now = timezone.now()

class UserManager(BaseUserManager):
    def _create_user(self, username, password, email, first_name, last_name,  **extra_fields):
        if not username:
            raise ValueError('User must have a username.')
        else:
            username = username.lower()
        if not password:
            raise ValueError('Password required!')
        if not email:
            raise ValueError('Email required!')
        else:
            email = self.normalize_email(email)

        user = self.model(
            username = username,
            email = email,
            first_name = first_name,
            last_name = last_name,
            is_active = True
        )
        UserManager
        user.set_password(password)
        user.save(using = self._db)
        return user

        def create_user(self, username, password, email, first_name, last_name,  **extra_fields):
            extra_fields.setdefault('is_staff', False)
            extra_fields.setdefault('is_superuser', False)
            return self._create_user(
                username = username,
                password = password,
                email = email,
                first_name = first_name,
                last_name = last_name,
                is_active = True,
                **extra_fields
            )

    def create_superuser(self, username, password, email, first_name, last_name,  **extra_fields):
            extra_fields.setdefault('is_staff', True)
            extra_fields.setdefault('is_superuser', True)
            return self._create_user(
                username = username,
                password = password,
                email = email,
                first_name = first_name,
                last_name = last_name,
               # is_active = True,
                #is_superuser = True,
                is_active = True,
                **extra_fields,
            )


class User(AbstractBaseUser, PermissionsMixin ):

    username = models.CharField(max_length = 28, unique = True)
    email = models.EmailField("Enter E-mail",unique = True)
    first_name = models.CharField("Enter First name", max_length = 25)
    last_name = models.CharField("Enter Last name", max_length = 25)
    phone_number = PhoneNumberField()
    created = models.DateTimeField(auto_now_add=now)
    is_active = models.BooleanField(default = True)
    is_superuser = models.BooleanField(default = False)
    is_staff = models.BooleanField(default = False)

    object = UserManager()
    USERNAME_FIELD = 'username'
    REQUIRED_FIELDS = ['first_name', 'last_name', 'email']


def __str__(self):
    return self.first_name

def get_username(self):
    return self.username

def get_full_name(self):
    return self.first_name+ ' '+self.last_name

def get_short_name(self):
    return self.last_name

def has_perms(self, perm, obj=None):
    return True

def has_module_perms(self, app_lable):
    return True

@property
def active(self):
    return self.is_active

@property
def superuser(self):
    return self.is_superuser
@property
def staff(self):
    return self.is_staff

on_delete=models.CASCADE,

class Car(models.Model):
    manufacturer = models.ForeignKey('Manufacturer', on_delete=models.CASCADE,)