from rest_framework import serializers


class CheckInTokenSerializer(serializers.Serializer):
    token = serializers.CharField(trim_whitespace=True, allow_blank=False)

    def validate(self, attrs):
        unknown_fields = set(self.initial_data) - set(self.fields)
        if unknown_fields:
            raise serializers.ValidationError(
                {field: ["Unexpected field."] for field in sorted(unknown_fields)}
            )
        return attrs


class CheckInPreviewResponseSerializer(serializers.Serializer):
    status = serializers.CharField()
    reservation_id = serializers.IntegerField()
    performance_id = serializers.IntegerField()
    show_title = serializers.CharField()
    starts_at = serializers.DateTimeField()
    party_size = serializers.IntegerField()


class CheckInConfirmResponseSerializer(serializers.Serializer):
    status = serializers.CharField()
    reservation_id = serializers.IntegerField(source="preview.reservation_id")
    performance_id = serializers.IntegerField(source="preview.performance_id")
    party_size = serializers.IntegerField(source="preview.party_size")
    checked_in_at = serializers.DateTimeField(source="check_in.checked_in_at")
    checked_in_by = serializers.IntegerField(source="check_in.checked_in_by_id")