from rest_framework import status
from rest_framework.exceptions import ValidationError

from api.admin_permission_conf import PERMISSIONS
from api.models import RolePermission, UserPermission, UserConstraintSetting, UserSchedulingPreference
from api.translation import __
from api.utils import log_critical_error, get_exception_detail
from api.views.admin.base import AdminApiBase

class Info(AdminApiBase):
    def post(self, request):
        try:
            user = request.user
            if user.is_superuser:
                permission = PERMISSIONS
            else:
                user_role_ids = user.role.values_list('id', flat=True)
                role_permission = RolePermission.objects.filter(role_id__in=user_role_ids).values_list('permission', flat=True)
                user_permission = UserPermission.objects.filter(user_id=user.id).values_list('permission', flat=True)
                permission = list(set(role_permission) | set(user_permission))

            # constraint setting
            user_constraint_setting_rules = UserConstraintSetting.get_rules()
            user_constraint_setting_list = UserConstraintSetting.get_setting(user.id)
            user_constraint_setting = {
                "rules": user_constraint_setting_rules,
                "list": UserConstraintSetting.group_settings_data(user_constraint_setting_list),
            }

            #scheduling preference
            user_scheduling_preference_rules = UserSchedulingPreference.get_rules()
            user_scheduling_preference_list = UserSchedulingPreference.get_setting(user.id)
            user_scheduling_preference = {
                "rules": user_scheduling_preference_rules,
                "list": UserSchedulingPreference.group_settings_data(user_scheduling_preference_list),
            }
            response = {
                'user': request.user.email,
                'id': request.user.id,
                "permission": sorted(permission),
                "user_constraint_setting": user_constraint_setting,
                "user_scheduling_preference": user_scheduling_preference,
            }
            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)