from django.db import models
from django.utils.text import slugify
import pghistory

from apps.core.history import TrackedModel
from .parks import Park


@pghistory.track()
class ParkArea(TrackedModel):
    # Import managers
    from ..managers import ParkAreaManager

    objects = ParkAreaManager()
    id: int  # Type hint for Django's automatic id field
    park = models.ForeignKey(
        Park,
        on_delete=models.CASCADE,
        related_name="areas",
        help_text="Park this area belongs to",
    )
    name = models.CharField(max_length=255, help_text="Name of the park area")
    slug = models.SlugField(
        max_length=255, help_text="URL-friendly identifier (unique within park)"
    )
    description = models.TextField(blank=True, help_text="Detailed description of the area")
    opening_date = models.DateField(
        null=True, blank=True, help_text="Date this area opened"
    )
    closing_date = models.DateField(
        null=True, blank=True, help_text="Date this area closed (if applicable)"
    )

    def save(self, *args, **kwargs):
        if not self.slug:
            self.slug = slugify(self.name)
        super().save(*args, **kwargs)

    def __str__(self):
        return self.name

    class Meta(TrackedModel.Meta):
        verbose_name = "Park Area"
        verbose_name_plural = "Park Areas"
        ordering = ["park", "name"]
        unique_together = ("park", "slug")