from rest_framework import serializers

from apps.orders.models import ProcessingOrder


class ProcessingOrderSerializer(serializers.ModelSerializer):
    class Meta:
        model = ProcessingOrder
        fields = "__all__"
        read_only_fields = [
            "id", "order_number", "workflow_version", "price_snapshot",
            "status", "confirmed_at", "net_weight_kg", "gross_weight_kg", "tare_weight_kg",
        ]


class OrderCreateSerializer(serializers.Serializer):
    reservation = serializers.UUIDField()
    workflow = serializers.UUIDField(required=False, allow_null=True)


class WeighingSerializer(serializers.Serializer):
    gross = serializers.DecimalField(max_digits=12, decimal_places=2)
    tare = serializers.DecimalField(max_digits=12, decimal_places=2)


class StepSelectionSerializer(serializers.Serializer):
    step_keys = serializers.ListField(child=serializers.CharField())


class ConfirmSerializer(serializers.Serializer):
    terms_accepted = serializers.BooleanField(default=True)