from rest_framework import serializers
from metaservicesynced.models import Orders
from tickets.models import Task, TaskList
import traceback

class OrdersSerializer(serializers.ModelSerializer):
    class Meta:
        model = Orders
        fields = '__all__'

    def create(self, validated_data):
        ModelClass = self.Meta.model

        if "ticket" not in validated_data:
            # Create ticket with minimal required data
            task_data = {
                "task_list": TaskList.objects.get(pk=9), # MS-SUP входящие обычные заявки ST_REQUEST
                "status": None,
                "created_date": "2000-01-01", # mandatory
                "status_changed_date": None,
                "created_by": None,
                "priority": 0, # default: 0
                "type": None,
                "title": "New ticket title", # mandatory
                "note": None,
                "due_date": None,
                "assigned_to": None,
            }
            ticket_instance = Task._default_manager.create(**task_data)
            validated_data["ticket"] = ticket_instance

        try:
            instance = ModelClass._default_manager.create(**validated_data)
        except TypeError:
            tb = traceback.format_exc()
            msg = (
                'Got a `TypeError` when calling `%s.%s.create()`. '
                'This may be because you have a writable field on the '
                'serializer class that is not a valid argument to '
                '`%s.%s.create()`. You may need to make the field '
                'read-only, or override the %s.create() method to handle '
                'this correctly.\nOriginal exception was:\n %s' %
                (
                    ModelClass.__name__,
                    ModelClass._default_manager.name,
                    ModelClass.__name__,
                    ModelClass._default_manager.name,
                    self.__class__.__name__,
                    tb
                )
            )
            raise TypeError(msg)
        
        return instance