from django.contrib.auth.base_user import BaseUserManager
from django.db import models
from django.contrib.auth.models import AbstractBaseUser
from django.contrib.auth.models import PermissionsMixin
from django.conf import settings


class UserProfileManager(BaseUserManager):
    """ Manager for User Profiles """
    def create_user(self, email, name, password = None):
         """ Create a new user profile """
         if not email:
             raise ValueError('User must have an email address.')

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

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

         return user


    def create_superuser(self, email, name, password):
         """ Create and save a new superuser profile """
         user = self.create_user(email, name, password)
         user.is_superuser=True
         user.is_staff=True
         user.save(using = self._db)
         return user







class UserProfile(AbstractBaseUser, PermissionsMixin):
    """ DB Models for users in the system """
    email=models.EmailField(max_length=255, unique = True)
    name = models.CharField(max_length=255)
    is_active = models.BooleanField(default=True)
    is_staff = models.BooleanField(default=False)


    objects = UserProfileManager()

    USERNAME_FIELD='email'
    REQUIRED_FIELDS = ['name']

    def get_full_name(self):
        """ Retrieve full name """
        return self.name

    def get_short_name(self):
        """ Retrieve short name """
        return self.name

    def __str__(self):
        """ Return string representation of our user """
        return self.email




class ProfileFeedItem(models.Model):
    """ Profile Status Update """
    user_profile = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
    status_text = models.CharField(max_length=255)
    created_on = models.DateTimeField(auto_now_add=True)
    
    def __str__(self):
        """ Return the model as a text """
        return self.status_text
