import uuid

from django.db import models


class SensorDevice(models.Model):
    sensor_uuid = models.UUIDField(default=uuid.uuid4, unique=True, editable=False)
    device_identifier = models.CharField(max_length=255, unique=True)
    device_name = models.CharField(max_length=255, blank=True)
    handshake_token = models.CharField(max_length=255, blank=True)
    metadata = models.JSONField(default=dict, blank=True)
    translation_config = models.JSONField(default=dict, blank=True)
    is_active = models.BooleanField(default=True)
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    class Meta:
        ordering = ["-created_at"]

    def __str__(self) -> str:
        return f"{self.device_identifier} ({self.sensor_uuid})"