import { updateAndSaveLayout } from "actions/pageActions";
import {
  ReduxAction,
  ReduxActionErrorTypes,
  ReduxActionTypes,
} from "ce/constants/ReduxActionConstants";
import log from "loglevel";
import { CanvasWidgetsReduxState } from "reducers/entityReducers/canvasWidgetsReducer";
import { all, put, select, takeLatest } from "redux-saga/effects";
import {
  alterLayoutForDesktop,
  alterLayoutForMobile,
} from "utils/autoLayout/AutoLayoutUtils";
import { getWidgets } from "./selectors";

export function* updateLayoutForMobileCheckpoint(
  actionPayload: ReduxAction<{
    parentId: string;
    isMobile: boolean;
    canvasWidth: number;
  }>,
) {
  try {
    const start = performance.now();
    const { canvasWidth, isMobile, parentId } = actionPayload.payload;
    const allWidgets: CanvasWidgetsReduxState = yield select(getWidgets);
    const updatedWidgets: CanvasWidgetsReduxState = isMobile
      ? alterLayoutForMobile(allWidgets, parentId, canvasWidth)
      : alterLayoutForDesktop(allWidgets, parentId);
    yield put(updateAndSaveLayout(updatedWidgets));
    log.debug(
      "Auto Layout : updating layout for mobile viewport took",
      performance.now() - start,
      "ms",
    );
  } catch (error) {
    yield put({
      type: ReduxActionErrorTypes.WIDGET_OPERATION_ERROR,
      payload: {
        action: ReduxActionTypes.RECALCULATE_COLUMNS,
        error,
      },
    });
  }
}

export default function* layoutUpdateSagas() {
  yield all([
    takeLatest(
      ReduxActionTypes.RECALCULATE_COLUMNS,
      updateLayoutForMobileCheckpoint,
    ),
  ]);
}