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


class Notification(models.Model):
    title = models.CharField(max_length=255, verbose_name=_('Title'))
    message = models.TextField(max_length=1024, verbose_name=_('Message'))
    user = models.ForeignKey(
        "account.User", 
        on_delete=models.CASCADE, 
        verbose_name=_('User'), 
        related_name='notifications'
    )
    is_read = models.BooleanField(default=False, verbose_name=_('Is Read'))
    notification_type = models.CharField(
        max_length=50, 
        null=True, 
        blank=True, 
        verbose_name=_('Notification Type')
    )
    action = models.CharField(max_length=50, default='navigate', verbose_name=_('Action'))
    navigate_to = models.CharField(max_length=255, null=True, blank=True, verbose_name=_('Navigate To'))
    created_at = models.DateTimeField(auto_now_add=True, verbose_name=_('Created At'))
    updated_at = models.DateTimeField(auto_now=True, verbose_name=_('Updated At'))

    class Meta:
        verbose_name = _('Notification')
        verbose_name_plural = _('Notifications')
        ordering = ('-created_at',)

    def __str__(self):
        return f"{self.user} - {self.title}"


class NotificationTemplate(models.Model):
    notification_type = models.CharField(max_length=50, unique=True, verbose_name=_('Notification Type'))
    name = models.CharField(max_length=100, verbose_name=_('Name'))
    is_active = models.BooleanField(default=True, verbose_name=_('Is Active'))
    title = models.CharField(max_length=255, default="", verbose_name=_('Title'))
    body = models.TextField(max_length=1024, default="", verbose_name=_('Body'))
    placeholders_info = models.CharField(
        max_length=255, 
        blank=True, 
        null=True, 
        verbose_name=_('Allowed Placeholders Description')
    )

    class Meta:
        verbose_name = _('Notification Template')
        verbose_name_plural = _('Notification Templates')

    def __str__(self):
        return f"{self.name} ({self.notification_type})"