from rest_framework import serializers

from .models import SensorDevice


class HandshakeSerializer(serializers.Serializer):
    device_identifier = serializers.CharField(max_length=255)
    device_name = serializers.CharField(max_length=255, required=False, allow_blank=True)
    handshake_token = serializers.CharField(max_length=255, required=False, allow_blank=True)
    metadata = serializers.JSONField(required=False)
    translation_config = serializers.JSONField(required=False)


class SensorIngestSerializer(serializers.Serializer):
    sensor_uuid = serializers.UUIDField()
    reading_at = serializers.DateTimeField(required=False)
    payload = serializers.JSONField()


class SensorPayloadQuerySerializer(serializers.Serializer):
    limit = serializers.IntegerField(required=False, min_value=1, max_value=500, default=50)


class SensorDeviceSerializer(serializers.ModelSerializer):
    class Meta:
        model = SensorDevice
        fields = (
            "sensor_uuid",
            "device_identifier",
            "device_name",
            "handshake_token",
            "metadata",
            "translation_config",
            "is_active",
            "created_at",
            "updated_at",
        )
        read_only_fields = ("sensor_uuid", "created_at", "updated_at")