import {
  AIRDCPP_SEARCH_IN_PROGRESS,
  AIRDCPP_SEARCH_RESULTS_ADDED,
  AIRDCPP_SEARCH_RESULTS_UPDATED,
  AIRDCPP_HUB_SEARCHES_SENT,
  AIRDCPP_RESULT_DOWNLOAD_INITIATED,
  AIRDCPP_DOWNLOAD_PROGRESS_TICK,
  AIRDCPP_BUNDLES_FETCHED,
} from "../constants/action-types";
import { LOCATION_CHANGE } from "connected-react-router";
import { difference } from "../shared/utils/object.utils";

const initialState = {
  searchResults: [],
  isAirDCPPSearchInProgress: false,
  searchInfo: null,
  searchInstance: null,
  downloadResult: null,
  bundleDBImportResult: null,
  bundles: [],
};

function airdcppReducer(state = initialState, action) {
  switch (action.type) {
    case AIRDCPP_SEARCH_RESULTS_ADDED:
      return {
        ...state,
        searchResults: [...state.searchResults, action.groupedResult],
        isAirDCPPSearchInProgress: true,
      };
    case AIRDCPP_SEARCH_RESULTS_UPDATED:
      const bundleToUpdateIndex = state.searchResults.findIndex(
        (bundle) => bundle.result.id === action.groupedResult.result.id,
      );
      const updatedState = [...state.searchResults];

      if (
        difference(updatedState[bundleToUpdateIndex], action.groupedResult) !==
        {}
      ) {
        updatedState[bundleToUpdateIndex] = action.groupedResult;
      }

      return {
        ...state,
        searchResults: updatedState,
      };
    case AIRDCPP_SEARCH_IN_PROGRESS:
      return {
        ...state,
        isAirDCPPSearchInProgress: true,
      };
    case AIRDCPP_HUB_SEARCHES_SENT:
      return {
        ...state,
        isAirDCPPSearchInProgress: false,
        searchInfo: action.searchInfo,
        searchInstance: action.instance,
      };
    case AIRDCPP_RESULT_DOWNLOAD_INITIATED:
      return {
        ...state,
        downloadResult: action.downloadResult,
        bundleDBImportResult: action.bundleDBImportResult,
      };
    case AIRDCPP_DOWNLOAD_PROGRESS_TICK:
      return {
        ...state,
        downloadProgressData: action.downloadProgressData,
      };
    case AIRDCPP_BUNDLES_FETCHED:
      return {
        ...state,
        bundles: action.bundles,
      };
    case LOCATION_CHANGE:
      return {
        searchResults: [],
        isAirDCPPSearchInProgress: false,
        searchInfo: null,
        searchInstance: null,
        downloadResult: null,
        bundleDBImportResult: null,
        // bundles: [],
      };

    default:
      return state;
  }
}

export default airdcppReducer;