from rest_framework import status
from rest_framework.exceptions import ValidationError

from api.models import TtAcademicTerm
from api.translation import __
from api.utils import log_critical_error, get_exception_detail
from api.views.admin.base import AdminApiBase

class AcademicTermList(AdminApiBase):
    def post(self, request):
        try:
            self.api_log_skip_outgoing_data=True
            data = self.get_data(request)
            response = {
                "data": data
            }
            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)

    def get_data(self,request):
        academic_term = (
            TtAcademicTerm.objects
            # .select_related("week")
            .prefetch_related(
                "week",
                # "tag__tag" #tags means the relation add in models, __tag means the relation table tag_id get the tag object
            )
            .order_by(self.list_default_order_column)
        )
        return_data=[]

        for val in academic_term:
            data={}
            data["id"] = val.id
            data["code"] = val.code
            data["name"] = val.name
            data['start_date'] = val.start_date
            data['end_date'] = val.end_date
            data['start_time'] = val.start_time
            data['end_time'] = val.end_time
            data['status'] = val.status
            data['status_text'] = __(f"attr.academic_term_status.{val.status}")
            data['default_availability'] = val.default_availability
            data['default_usage'] = val.default_usage
            data['default_start'] = val.default_start

            data['week'] = [
                {"id": week.id, "week": week.week}
                for week in val.week.all()
            ]

            for i in range(1,11):
                extra_data_field = f"extra_data_{i}"
                data[extra_data_field] = getattr(val,extra_data_field,None)

            return_data.append(data)

        return return_data