from django.contrib.auth.models import AbstractBaseUser, PermissionsMixin
from django.db.models import (
	AutoField,
	BooleanField,
	CharField,
	DateField,
	DateTimeField,
	EmailField,
	UUIDField,
	Model,
	TextChoices,
	TextField,
	URLField,
)
from django.utils.translation import gettext_lazy as _
from typing import ClassVar
from uuid import uuid4
from apps.users.managers import UserManager
from django.conf import settings


class TimeStampMixin(Model):

	created_at = DateTimeField(verbose_name="Created At", auto_now_add=True)
	updated_at = DateTimeField(verbose_name="Updated At", auto_now=True)

	class Meta:
		abstract = True


class User(AbstractBaseUser, TimeStampMixin, PermissionsMixin):

	class Roles(TextChoices):
		MANAGER   = 'manager',  _("Manager")
		EMPLOYEE  = 'employee',  _("Employee")

	id  = AutoField(verbose_name = _("User ID"), primary_key = True)
	uuid = UUIDField(verbose_name = _("User UUID"), default = uuid4, editable = False)

	email_address = EmailField(verbose_name = _("Email Address"), max_length = 255, unique = True)
	first_name    = CharField(verbose_name = _("First Name"), max_length = 255)
	last_name     = CharField(verbose_name = _("Last Name"), max_length = 255)
	date_of_birth = DateField(verbose_name = _("Date of Birth"), null = True, blank = True)

	bio        = TextField(default = "", blank = True)
	timezone   = CharField(default = settings.TIME_ZONE, max_length = 16, blank = True)
	avatar_url = URLField(blank = True)

	is_active   = BooleanField(verbose_name = _("Account Active"), default = True)
	is_staff    = BooleanField(verbose_name = _("Account Admin"), default = False)

	role        = CharField(verbose_name = _("Role"), max_length = 50, choices = Roles.choices, default = Roles.EMPLOYEE)

	USERNAME_FIELD = 'email_address'
	EMAIL_FIELD = 'email_address'
	REQUIRED_FIELDS = ['first_name', 'last_name', 'date_of_birth']

	objects: ClassVar[UserManager] = UserManager()

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

	def has_module_perms(self, app_label):
		return True

	class Meta:
		verbose_name = _('User')
		verbose_name_plural = _('Users')

	@property
	def full_name(self):
		return f"{self.first_name} {self.last_name}"

	def __str__(self):
		return self.full_name