from django.conf import settings
from django.db import models
from django.utils.translation import gettext_lazy as _

from .utils.models import AdminUserManager, GetOrNoneManager


class TelegramUser(models.Model):

    user = models.OneToOneField(
        settings.AUTH_USER_MODEL,
        null=True,
        blank=True,
        on_delete=models.CASCADE,
    )
    tg_user_id = models.PositiveBigIntegerField(primary_key=True)
    username = models.CharField(
        max_length=32,
        verbose_name=_('name'),
        null=True,
        blank=True,
    )
    deep_link = models.CharField(max_length=64, null=True, blank=True)
    created_at = models.DateTimeField(auto_now_add=True, db_index=True)
    updated_at = models.DateTimeField(auto_now=True)

    is_blocked_bot = models.BooleanField(default=False)
    is_admin = models.BooleanField(default=False)

    objects = GetOrNoneManager()
    admins = AdminUserManager()

    class Meta:
        verbose_name = _('telegram user')
        verbose_name_plural = _('telegram users')
        ordering = ['-tg_user_id']

    def __str__(self) -> str:
        tg_name = f'@{self.username}' if self.username is not None else f'{self.tg_user_id}'
        return f'{tg_name}/{self.user}' if self.user else f'{tg_name}'


class TelegramBot(models.Model):
    id = models.PositiveBigIntegerField(primary_key=True,
                                        verbose_name=_('telegram id'))
    username = models.CharField(max_length=32, verbose_name=_('username'))
    first_name = models.CharField(max_length=64, verbose_name=_('first name'))
    link = models.CharField(max_length=64, verbose_name=_('link'))
    is_polling = models.BooleanField(default=False,
                                     verbose_name=_('is polling'))
    polling_at = models.DateTimeField(
        blank=True,
        null=True,
        verbose_name=_('polling at'),
    )

    class Meta:
        verbose_name = _('telegram bot')
        verbose_name_plural = _('telegram bots')
        ordering = ('-polling_at', )

    def __str__(self) -> str:
        return self.username