import React from "react";

import useListSettings from "@saleor/hooks/useListSettings";
import useNavigator from "@saleor/hooks/useNavigator";
import useNotifier from "@saleor/hooks/useNotifier";
import usePaginator, {
  createPaginationState
} from "@saleor/hooks/usePaginator";
import { useIntl } from "react-intl";

import DeleteFilterTabDialog from "@saleor/components/DeleteFilterTabDialog";
import SaveFilterTabDialog, {
  SaveFilterTabDialogFormData
} from "@saleor/components/SaveFilterTabDialog";
import { configurationMenuUrl } from "@saleor/configuration";
import useShop from "@saleor/hooks/useShop";
import { commonMessages } from "@saleor/intl";
import { getMutationState, maybe } from "@saleor/misc";
import { ListViews } from "@saleor/types";
import ServiceListPage from "../../components/ServiceListPage";
import { ServiceListQuery } from "../../queries";
import {
  serviceAddUrl,
  serviceListUrl,
  ServiceListUrlDialog,
  ServiceListUrlFilters,
  ServiceListUrlQueryParams,
  serviceUrl
} from "../../urls";
import {
  areFiltersApplied,
  deleteFilterTab,
  getActiveFilters,
  getFilterTabs,
  getFilterVariables,
  saveFilterTab
} from "./filter";

interface ServiceListProps {
  params: ServiceListUrlQueryParams;
}

export const ServiceList: React.StatelessComponent<ServiceListProps> = ({
  params
}) => {
  const navigate = useNavigator();
  const notify = useNotifier();
  const paginate = usePaginator();
  const { updateListSettings, settings } = useListSettings(
    ListViews.STAFF_MEMBERS_LIST
  );
  const intl = useIntl();
  const shop = useShop();

  const tabs = getFilterTabs();

  const currentTab =
    params.activeTab === undefined
      ? areFiltersApplied(params)
        ? tabs.length + 1
        : 0
      : parseInt(params.activeTab, 0);

  const changeFilterField = (filter: ServiceListUrlFilters) =>
    navigate(
      serviceListUrl({
        ...getActiveFilters(params),
        ...filter,
        activeTab: undefined
      })
    );

  const closeModal = () =>
    navigate(
      serviceListUrl({
        ...params,
        action: undefined,
        ids: undefined
      }),
      true
    );

  const openModal = (action: ServiceListUrlDialog, ids?: string[]) =>
    navigate(
      serviceListUrl({
        ...params,
        action,
        ids
      })
    );

  const handleTabChange = (tab: number) => {
    navigate(
      serviceListUrl({
        activeTab: tab.toString(),
        ...getFilterTabs()[tab - 1].data
      })
    );
  };

  const handleTabDelete = () => {
    deleteFilterTab(currentTab);
    navigate(serviceListUrl());
  };

  const handleTabSave = (data: SaveFilterTabDialogFormData) => {
    saveFilterTab(data.name, getActiveFilters(params));
    handleTabChange(tabs.length + 1);
  };

  const paginationState = createPaginationState(settings.rowNumber, params);
  const queryVariables = React.useMemo(
    () => ({
      ...paginationState,
      filter: getFilterVariables(params)
    }),
    [params]
  );

  return (
    <ServiceListQuery displayLoader variables={queryVariables}>
      {({ data, loading }) => {
        const { loadNextPage, loadPreviousPage, pageInfo } = paginate(
          maybe(() => data.serviceAccounts.pageInfo),
          paginationState,
          params
        );

        const handleCreate = () => navigate(serviceAddUrl);
        const handleRemove = () =>
          navigate(
            serviceListUrl({
              ...params,
              action: "remove"
            })
          );

        return (
          <>
            <ServiceListPage
              currentTab={currentTab}
              initialSearch={params.query || ""}
              onSearchChange={query => changeFilterField({ query })}
              onAll={() => navigate(serviceListUrl())}
              onTabChange={handleTabChange}
              onTabDelete={() => openModal("delete-search")}
              onTabSave={() => openModal("save-search")}
              tabs={tabs.map(tab => tab.name)}
              disabled={loading}
              settings={settings}
              pageInfo={pageInfo}
              services={maybe(() =>
                data.serviceAccounts.edges.map(edge => edge.node)
              )}
              onAdd={handleCreate}
              onBack={() => navigate(configurationMenuUrl)}
              onNextPage={loadNextPage}
              onPreviousPage={loadPreviousPage}
              onUpdateListSettings={updateListSettings}
              onRowClick={id => () => navigate(serviceUrl(id))}
              onRemove={handleRemove}
            />
          </>
        );
      }}
    </ServiceListQuery>
  );
};

export default ServiceList;