from django.db import models
from django.contrib.auth.models import (
    BaseUserManager, AbstractBaseUser
)
from django.utils.translation import ugettext_lazy as _
from django.utils import timezone


class MyUserManager(BaseUserManager):
    def create_user(self, email, password=None):
        """
        Creates and saves a User with the given email, date of
        birth and password.
        """
        if not email:
            raise ValueError('Users must have an email address')

        user = self.model(
            email=self.normalize_email(email),
        )

        user.set_password(password)
        user.save(using=self._db)
        return user

    def create_superuser(self, email, password):
        """
        Creates and saves a superuser with the given email, date of
        birth and password.
        """
        user = self.create_user(
            email,
            password=password,
        )
        user.is_admin = True
        user.save(using=self._db)
        return user


class MyUser(AbstractBaseUser):
    email = models.EmailField(
        verbose_name='email address',
        max_length=255,
        unique=True,
    )
    uid = models.CharField(max_length=16, blank=True)
    first_name = models.CharField(_('first name'), max_length=30, blank=True)
    last_name = models.CharField(_('last name'), max_length=30, blank=True)
    share_image = models.ImageField(_('share image'), blank=True, null=True, max_length=255, upload_to="media/share/")
    picture = models.ImageField(_('picture'), blank=True, null=True, max_length=255, upload_to="media/profile/")
    is_active = models.BooleanField(default=True)
    is_staff = models.BooleanField(default=False)
    is_admin = models.BooleanField(default=False)
    last_login = models.DateTimeField(_('last login'), blank=True, null=True)
    date_joined = models.DateTimeField(_('date joined'), default=timezone.now)

    objects = MyUserManager()
    USERNAME_FIELD = 'email'
    REQUIRED_FIELDS = []

    def __str__(self):
        return self.email

    def has_perm(self, perm, obj=None):
        "Does the user have a specific permission?"
        # Simplest possible answer: Yes, always
        return True

    def has_module_perms(self, app_label):
        "Does the user have permissions to view the app `app_label`?"
        # Simplest possible answer: Yes, always
        return True

    # @property
    # def is_staff(self):
    #     "Is the user a member of staff?"
    #     # Simplest possible answer: All admins are staff
    #     return self.is_admin

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