Coursemology/coursemology2

import { deleteIfFound, updateOrAppend } from 'lib/helpers/reducer-helpers';

import actionTypes from '../constants';
import { sortSurveyElements, sortSurveysByDate } from '../utils';

import surveyReducer from './survey';

export default function (state = [], action) {
  switch (action.type) {
    case actionTypes.CREATE_SURVEY_SUCCESS: {
      return sortSurveysByDate([...state, sortSurveyElements(action.survey)]);
    }
    case actionTypes.LOAD_SURVEY_RESULTS_SUCCESS:
    case actionTypes.UPDATE_RESPONSE_SUCCESS:
    case actionTypes.CREATE_RESPONSE_SUCCESS:
    case actionTypes.LOAD_RESPONSE_SUCCESS:
    case actionTypes.LOAD_RESPONSE_EDIT_SUCCESS:
    case actionTypes.LOAD_RESPONSES_SUCCESS:
    case actionTypes.UPDATE_QUESTION_ORDER_SUCCESS:
    case actionTypes.UPDATE_SECTION_ORDER_SUCCESS:
    case actionTypes.UPDATE_SURVEY_SUCCESS:
    case actionTypes.LOAD_SURVEY_SUCCESS: {
      return sortSurveysByDate(
        updateOrAppend(state, sortSurveyElements(action.survey)),
      );
    }
    case actionTypes.LOAD_SURVEYS_SUCCESS: {
      return sortSurveysByDate(action.surveys);
    }
    case actionTypes.DELETE_SURVEY_SUCCESS: {
      return deleteIfFound(state, action.surveyId);
    }

    case actionTypes.REORDER_QUESTION:
    case actionTypes.CHANGE_QUESTION_SECTION:
    case actionTypes.UPDATE_SURVEY_SECTION_SUCCESS:
    case actionTypes.DELETE_SURVEY_SECTION_SUCCESS:
    case actionTypes.CREATE_SURVEY_SECTION_SUCCESS:
    case actionTypes.UPDATE_SURVEY_QUESTION_SUCCESS:
    case actionTypes.DELETE_SURVEY_QUESTION_SUCCESS:
    case actionTypes.CREATE_SURVEY_QUESTION_SUCCESS: {
      return state.map((survey) => surveyReducer(survey, action));
    }
    default:
      return state;
  }
}