from collections import defaultdict
from rest_framework import serializers, status

from api.models import TtStaffSuitability, TtDepartment, TtZone, TtAvailability, TtStartPreference, TtUsagePreference, \
    TtSuitability, TtTag, TtSetting, TtPos, TtPosModuleGroup, TtPosModuleGroupModule, TtAcademicTerm, \
    TtConstraintProfile
from api.models.tt_student_set import TtStudentSet
from api.views.admin.base import AdminApiBase
from api.validator import BaseValidator
from api.utils import decrypt_aes_128_cbc, encrypt_aes_128_cbc, log_critical_error, get_exception_detail
from rest_framework.exceptions import ValidationError
from api.translation import __


class StudentRules(AdminApiBase):
    def validate_request(self,request):
        rules = {
            # "id": "nullable|array|exists:api.TtStudentSet,id",
        }
        # if need rename field, can put here
        attribute = {
            # "email": __("attr.email"),
        }
        # validate id first, cause need get student_set by id, if wrong id direct return error
        validator = BaseValidator(request.data,rules,attribute)
        error = validator.validate()
        if error:
            raise ValidationError(error)
        # custom error after basic validation

        if error:
            raise ValidationError(error)

    def post(self, request):
        # Validate input
        try:
            self.api_log_skip_outgoing_data=True
            self.validate_request(request)

            info = None

            models = {
                "academic_term": (TtAcademicTerm,["id", "code", "name", "start_time", "end_time", "default_availability","default_usage", "default_start"]),
                "department": (TtDepartment, ["id", "code", "name"]),
                "tag": (TtTag, ["id", "code", "name"]),
            }

            data = {}
            data['delete_confirmation_api'] = False
            data["allow_remove"] = [
                "desc",
                "department_id",
                "tag",
                *[f"extra_data_{i}" for i in range(1, 11)]
            ]
            for key, (model, fields) in models.items():
                data[key] = list(
                    model.objects.filter(status=model.STATUS_TO_CODE['active']).values(*fields)
                )

            setting_params = {
                "minute_per_slot",
                "slot_per_day",
                "slot_per_week",
            }
            data['based_setting'] = TtSetting.get_multiple_setting(setting_params)

            response = {
                "info": info,
                "rules": 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)