import { createSelector } from "reselect";
import { getActionsForCurrentPage } from "./entitiesSelector";
import { ActionDataState } from "reducers/entityReducers/actionsReducer";
import { getEvaluatedDataTree } from "utils/DynamicBindingUtils";
import { extraLibraries } from "jsExecution/JSExecutionManagerSingleton";
import { DataTree, DataTreeFactory } from "entities/DataTree/dataTreeFactory";
import _ from "lodash";
import { getWidgets, getWidgetsMeta } from "sagas/selectors";

export const getUnevaluatedDataTree = createSelector(
  getActionsForCurrentPage,
  getWidgets,
  getWidgetsMeta,
  (actions, widgets, widgetsMeta) => {
    return DataTreeFactory.create({ actions, widgets, widgetsMeta });
  },
);

export const evaluateDataTree = createSelector(
  getUnevaluatedDataTree,
  (dataTree: DataTree): DataTree => {
    return getEvaluatedDataTree(dataTree);
  },
);

// For autocomplete. Use actions cached responses if
// there isn't a response already
export const getDataTreeForAutocomplete = createSelector(
  evaluateDataTree,
  getActionsForCurrentPage,
  (tree: DataTree, actions: ActionDataState) => {
    const cachedResponses: Record<string, any> = {};
    if (actions && actions.length) {
      actions.forEach(action => {
        if (!(action.config.name in tree) && action.config.cacheResponse) {
          try {
            cachedResponses[action.config.name] = JSON.parse(
              action.config.cacheResponse,
            );
          } catch (e) {
            cachedResponses[action.config.name] = action.config.cacheResponse;
          }
        }
      });
    }
    _.omit(tree, ["MainContainer", "actionPaths"]);
    const libs: Record<string, any> = {};
    extraLibraries.forEach(config => (libs[config.accessor] = config.lib));
    return { ...tree, ...cachedResponses, ...libs };
  },
);