from itertools import product, combinations

from rest_framework import serializers, status

from api.models import TtSetting
from api.services.schedule_service import unschedule
from api.validator import BaseValidator
from api.utils import log_critical_error, get_exception_detail
from rest_framework.exceptions import ValidationError
from api.translation import __
from api.views.medical.base import MedicalApiBase

"""
2026-10-05 since now medical and normal timetabler using same method to unschedule, so unschedule function moved to services
"""
class Unschedule(MedicalApiBase):
    def validate_request(self,request):
        rules = {
            "activity_ids": "required|array|exists:api.TtActivity,id",
        }

        # if need rename field, can put here
        attribute = {
            # "email": __("attr.email"),
        }

        validator = BaseValidator(request.data,rules,attribute)
        error = validator.validate()
        if error:
            raise ValidationError(error)

        # custom error after basic validation

    def post(self, request):
        # Validate input
        try:
            self.validate_request(request)
            setting_params = {
                "slot_per_week",
            }
            settings = TtSetting.get_multiple_setting(setting_params)
            slot_per_week = int(settings["slot_per_week"])
            kafka_topic = self.kafka_config['MICROSERVICES_TT_TOPIC']
            audit_type = self.audit_type
            unschedule(request,kafka_topic,audit_type,slot_per_week)
            response = {

            }

            return self.api_response(data=response)
        except ValidationError as e:
            first_message = e.detail['error']
            errors = e.detail['errors']
            return self.api_response(error=first_message,errors=errors,code=status.HTTP_400_BAD_REQUEST)
        except Exception as e:
            e_details = get_exception_detail(e)
            log_critical_error(user_id=None,descr=e_details['descr'],url=e_details['url'],trace=e_details['trace'])
            return self.api_response(error=__("message.internal_server_error"),code=status.HTTP_500_INTERNAL_SERVER_ERROR)