function createOpportunitiesController({
  STAGE_OPTIONS,
  STATUS_OPTIONS,
  authSessionState,
  consumptionPlansState,
  consumptionTrendState,
  getFiscalPeriodRange,
  opportunitiesDashboardState,
  opportunitiesFilterState,
  opportunitiesQueryState,
  opportunitiesTableState,
  preferencesState,
  productsContentState,
  renderProductsProgress,
  requestOpportunitiesPage,
  resetCrmServiceRequests,
  resetWorkloadActions,
  resetWorkloads,
  requestOpptyProductsInBackground,
  requestTokenRelayOnce,
  ensureCurrentUser,
  setOpportunitiesTableState
}) {
  async function requestOpportunitiesForPeriod(period) {
    const dateRange = getFiscalPeriodRange(period, new Date());
    opportunitiesQueryState.dateRange = dateRange;
    const requestVersion = ++opportunitiesQueryState.periodRequestVersion;
    resetWorkloadActions();
    resetWorkloads();
    await ensureCurrentUser();
    if (!isCurrentPeriodRequest(requestVersion)) return;

    if (preferencesState.selectedOpportunityTypeValues.size === 0) {
      setOpportunitiesTableState({
        items: [],
        status: "empty",
        message: "Select at least one Opportunity Type View in Preferences."
      });
      return;
    }

    if (!dateRange) {
      setOpportunitiesTableState({
        items: [],
        status: "empty",
        message: "No opportunities to display for this period."
      });
      return;
    }

    try {
      const token = authSessionState.accessToken || await requestTokenRelayOnce();

      if (requestVersion !== opportunitiesQueryState.periodRequestVersion) {
        return;
      }

      await requestOpportunities(token, period, dateRange, requestVersion);
    } catch (error) {
      // Authentication and request errors are recorded by their respective request handlers.
    }
  }

  async function requestOpportunities(token, period, dateRange, requestVersion) {
    if (isCurrentPeriodRequest(requestVersion)) {
      productsContentState.currentProductsRequestId = "";
      productsContentState.opptyProductsByNumber = new Map();
      productsContentState.expandedProductOptyNumbers = new Set();
      productsContentState.productsProgress = {
        state: "idle",
        completed: 0,
        total: 0,
        failed: 0,
        cacheHits: 0
      };
      consumptionPlansState.accountPlansRequestState = new Map();
      consumptionTrendState.consumptionTrendCache = new Map();
      consumptionTrendState.consumptionTrendWindowOffsets = new Map();
      consumptionTrendState.consumptionTrendSeriesFilters = new Map();
      renderProductsProgress();
      setOpportunitiesTableState({
        items: [],
        status: "loading",
        message: "Loading opportunities..."
      });
    }

    try {
      if (!isCurrentPeriodRequest(requestVersion)) return;
      const allItems = await requestOpportunitiesPage(token, period, dateRange, 0, [], requestVersion, 1);

      if (allItems && isCurrentPeriodRequest(requestVersion)) {
        setOpportunitiesTableState({
          items: allItems,
          status: "ready",
          message: ""
        });
        requestOpptyProductsInBackground(allItems, token);
      }
    } catch (error) {
      if (isCurrentPeriodRequest(requestVersion)) {
        setOpportunitiesTableState({
          items: [],
          status: "error",
          message: "Unable to load opportunities."
        });
      }

      throw error;
    }
  }

  function resetOpportunitiesTable() {
    resetWorkloadActions();
    resetWorkloads();
    resetCrmServiceRequests();
    opportunitiesFilterState.selectedStages = new Set(STAGE_OPTIONS);
    opportunitiesFilterState.selectedStatuses = new Set(STATUS_OPTIONS);
    opportunitiesFilterState.selectedCustomerKeys = new Set();
    opportunitiesFilterState.customerSearch = "";
    opportunitiesFilterState.selectedOwnerKeys = new Set();
    opportunitiesFilterState.ownerSearch = "";
    opportunitiesFilterState.tableSearch = "";
    opportunitiesFilterState.hasSavedCustomerFilter = false;
    opportunitiesFilterState.hasSavedOwnerFilter = false;
    opportunitiesFilterState.customerFilterInitialized = false;
    opportunitiesFilterState.ownerFilterInitialized = false;
    productsContentState.currentProductsRequestId = "";
    productsContentState.opptyProductsByNumber = new Map();
    productsContentState.expandedProductOptyNumbers = new Set();
    productsContentState.productsProgress = {
      state: "idle",
      completed: 0,
      total: 0,
      failed: 0,
      cacheHits: 0
    };
    productsContentState.productsLastCachedAt = 0;
    consumptionPlansState.accountPlansRequestState = new Map();
    consumptionTrendState.consumptionTrendCache = new Map();
    consumptionTrendState.consumptionTrendWindowOffsets = new Map();
    consumptionTrendState.consumptionTrendSeriesFilters = new Map();
    opportunitiesDashboardState.stageDashboardAmounts = new Map([["TOTAL", 0], ...STAGE_OPTIONS.map((stage) => [stage, 0])]);
    opportunitiesTableState.opportunitiesTableState = {
      items: [],
      status: "idle",
      message: "",
      sortKey: "",
      sortDirection: "ascending"
    };
  }

  function isCurrentPeriodRequest(requestVersion) {
    return requestVersion === opportunitiesQueryState.periodRequestVersion;
  }

  return { requestOpportunitiesForPeriod, requestOpportunities, resetOpportunitiesTable, isCurrentPeriodRequest };
}