import uuid
from django.db import models
from django.contrib.auth import get_user_model
class User(models.Model):
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)

class Prediction(models.Model):
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)
    result = models.JSONField()
    deleted_at = models.DateTimeField(null=True, blank=True)



class UserPrediction(models.Model):
    user = models.ForeignKey(get_user_model(), on_delete=models.CASCADE)
    prediction = models.ForeignKey("Prediction", on_delete=models.CASCADE)
    created_at = models.DateTimeField()

class Satellite(models.Model):
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
    name = models.CharField(max_length=100)

class TelemetryPacket(models.Model):
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
    satellite = models.ForeignKey(Satellite, on_delete=models.CASCADE, related_name="telemetry")
    timestamp = models.BigIntegerField()  # unix time
    lat = models.FloatField()
    lon = models.FloatField()
    alt = models.FloatField()
    payload = models.JSONField(null=True, blank=True)
    created_at = models.DateTimeField(auto_now_add=True)