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


class DailyCheckIn(models.Model):
    user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name="checkins")
    date = models.DateField()
    streak = models.PositiveIntegerField(default=1)
    reward = models.JSONField(default=dict)
    created_at = models.DateTimeField(auto_now_add=True)

    class Meta:
        constraints = [
            models.UniqueConstraint(fields=("user", "date"), name="unique_user_daily_checkin")
        ]


class Notification(models.Model):
    user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name="notifications")
    category = models.CharField(max_length=40)
    title = models.CharField(max_length=120)
    body = models.TextField()
    is_read = models.BooleanField(default=False)
    created_at = models.DateTimeField(auto_now_add=True)