from django.db import models
from django.conf import settings
from divebases.models import DiveBase

User = settings.AUTH_USER_MODEL

class Event(models.Model):
    title = models.CharField(max_length=255)
    start_datetime = models.DateTimeField()
    location = models.CharField(max_length=255, blank=True)
    google_maps_link = models.URLField(blank=True)
    description = models.TextField(blank=True)
    payment_details = models.TextField(blank=True)

    dive_base = models.ForeignKey(DiveBase, on_delete=models.CASCADE, related_name='events')
    created_by = models.ForeignKey(User, on_delete=models.PROTECT, related_name='created_events')
    is_deleted = models.BooleanField(default=False)

    def __str__(self):
        return self.title


class EventApplication(models.Model):
    event = models.ForeignKey(Event, on_delete=models.CASCADE, related_name='applications')
    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='event_applications')
    paid = models.BooleanField(default=False)

    class Meta:
        unique_together = ('event', 'user')  # prevent duplicate applications

    def __str__(self):
        return f"{self.user} applied for {self.event}"