from django.contrib.auth.models import AbstractUser
from django.db import models
from django.utils.translation import gettext_lazy as _


class User(AbstractUser):
    """Расширенная модель пользователя"""

    # Убираем first_name и last_name из модели User (они в Profile)
    first_name = None
    last_name = None

    # Переопределяем группы и разрешения для избежания конфликта
    groups = models.ManyToManyField(
        "auth.Group",
        verbose_name=_("groups"),
        blank=True,
        help_text=_(""),
        related_name="custom_user_set",
        related_query_name="custom_user",
    )
    user_permissions = models.ManyToManyField(
        "auth.Permission",
        verbose_name=_("user permissions"),
        blank=True,
        help_text=_("Specific permissions for this user."),
        related_name="custom_user_set",
        related_query_name="custom_user",
    )

    email = models.EmailField(
        _("email address"), unique=True, help_text=_("Required. Must be unique.")
    )

    phone = models.CharField(
        _("phone number"),
        max_length=20,
        blank=True,
        null=True,
        help_text=_("Phone number in international format"),
    )

    is_verified = models.BooleanField(
        _("email verified"),
        default=False,
        help_text=_("Designates whether the user has verified their email."),
    )

    created_at = models.DateTimeField(_("created at"), auto_now_add=True)

    updated_at = models.DateTimeField(_("updated at"), auto_now=True)

    USERNAME_FIELD = "username"
    REQUIRED_FIELDS = ["email"]

    class Meta:
        db_table = "users"
        verbose_name = _("user")
        verbose_name_plural = _("users")
        ordering = ["-created_at"]

    def __str__(self):
        return f"{self.username} ({self.email})"


class Profile(models.Model):
    """Профиль пользователя (OneToOne связь с User)"""

    user = models.OneToOneField(
        User, on_delete=models.CASCADE, related_name="profile", verbose_name=_("user")
    )

    first_name = models.CharField(_("first name"), max_length=50, blank=True, null=True)

    middle_name = models.CharField(
        _("middle name"),
        max_length=50,
        blank=True,
        null=True,
    )

    last_name = models.CharField(_("last name"), max_length=50, blank=True, null=True)

    bio = models.TextField(
        _("bio"), blank=True, null=True, help_text=_("Short biography or description")
    )

    avatar = models.ImageField(
        _("avatar"),
        upload_to="avatars/",
        blank=True,
        null=True,
        help_text=_("User avatar image"),
    )

    date_of_birth = models.DateField(_("date of birth"), blank=True, null=True)

    created_at = models.DateTimeField(_("created at"), auto_now_add=True)

    updated_at = models.DateTimeField(_("updated at"), auto_now=True)

    class Meta:
        db_table = "profiles"
        verbose_name = _("profile")
        verbose_name_plural = _("profiles")
        ordering = ["-created_at"]

    def __str__(self):
        return f"Profile of {self.user.username}"

    @property
    def full_name(self):
        """Полное имя пользователя"""
        parts = [self.first_name, self.middle_name, self.last_name]
        full_name = " ".join(part for part in parts if part)
        if full_name:
            return full_name
        return self.user.username