from django.db import models
from django.contrib.auth.base_user import AbstractBaseUser
from django.contrib.auth.base_user import BaseUserManager

from core.models import TimeStampedModel


class AccountManager(BaseUserManager):
    def create_user(self, username, email, fullname, password=None):
        user = self.model(
            email=self.normalize_email(email),
            username=username,
            fullname=fullname,
        )
        user.set_password(password)
        user.save(using=self._db)
        return user

    def create_superuser(self, username, email, fullname, password=None):
        user = self.create_user(
            email=email,
            username=username,
            fullname=fullname,
            password=password,
        )
        user.is_admin = True
        user.save(using=self._db)
        return user


class Account(TimeStampedModel, AbstractBaseUser):
    username = models.CharField(max_length=30, default="", unique=True)
    email = models.EmailField(max_length=255, default="", unique=True)
    fullname = models.CharField(max_length=150)
    is_admin = models.BooleanField(default=False)
    is_active = models.BooleanField(default=False)

    objects = AccountManager()

    USERNAME_FIELD = 'username'
    REQUIRED_FIELDS = ['email', 'fullname']

    def __str__(self):
        return "username: " + self.user.username

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