import React, { useState } from "react";
import { useRouter } from "next/router";
import useSWR from "swr";
// mobx store
import { useMobxStore } from "lib/mobx/store-provider";
// hooks
import useLocalStorage from "hooks/use-local-storage";
// layouts
import { AppLayout } from "layouts/app-layout";
// components
import { CycleIssuesHeader } from "components/headers";
import { ExistingIssuesListModal } from "components/core";
import { CycleDetailsSidebar, TransferIssues, TransferIssuesModal } from "components/cycles";
import { CycleLayoutRoot } from "components/issues/issue-layouts";
// ui
import { EmptyState } from "components/common";
// assets
import emptyCycle from "public/empty-state/cycle.svg";
// helpers
import { getDateRangeStatus } from "helpers/date-time.helper";

const SingleCycle: React.FC = () => {
  const [cycleIssuesListModal, setCycleIssuesListModal] = useState(false);
  const [transferIssuesModal, setTransferIssuesModal] = useState(false);

  const router = useRouter();
  const { workspaceSlug, projectId, cycleId } = router.query;

  const { cycle: cycleStore } = useMobxStore();

  const { storedValue } = useLocalStorage("cycle_sidebar_collapsed", "false");
  const isSidebarCollapsed = storedValue ? (storedValue === "true" ? true : false) : false;

  const { data: cycleDetails, error } = useSWR(
    workspaceSlug && projectId && cycleId ? `CURRENT_CYCLE_DETAILS_${cycleId.toString()}` : null,
    workspaceSlug && projectId && cycleId
      ? () => cycleStore.fetchCycleWithId(workspaceSlug.toString(), projectId.toString(), cycleId.toString())
      : null
  );

  const cycleStatus =
    cycleDetails?.start_date && cycleDetails?.end_date
      ? getDateRangeStatus(cycleDetails?.start_date, cycleDetails?.end_date)
      : "draft";

  // TODO: add this function to bulk add issues to cycle
  // const handleAddIssuesToCycle = async (data: ISearchIssueResponse[]) => {
  //   if (!workspaceSlug || !projectId) return;

  //   const payload = {
  //     issues: data.map((i) => i.id),
  //   };

  //   await issueService
  //     .addIssueToCycle(workspaceSlug as string, projectId as string, cycleId as string, payload, user)
  //     .catch(() => {
  //       setToastAlert({
  //         type: "error",
  //         title: "Error!",
  //         message: "Selected issues could not be added to the cycle. Please try again.",
  //       });
  //     });
  // };

  return (
    <AppLayout header={<CycleIssuesHeader />} withProjectWrapper>
      {/* TODO: Update logic to bulk add issues to a cycle */}
      <ExistingIssuesListModal
        isOpen={cycleIssuesListModal}
        handleClose={() => setCycleIssuesListModal(false)}
        searchParams={{ cycle: true }}
        handleOnSubmit={async () => {}}
      />
      {error ? (
        <EmptyState
          image={emptyCycle}
          title="Cycle does not exist"
          description="The cycle you are looking for does not exist or has been deleted."
          primaryButton={{
            text: "View other cycles",
            onClick: () => router.push(`/${workspaceSlug}/projects/${projectId}/cycles`),
          }}
        />
      ) : (
        <>
          <TransferIssuesModal handleClose={() => setTransferIssuesModal(false)} isOpen={transferIssuesModal} />
          <div className="relative w-full h-full flex overflow-auto">
            <div className={`flex flex-col h-full w-full ${isSidebarCollapsed ? "" : "mr-[24rem]"} duration-300`}>
              {cycleStatus === "completed" && <TransferIssues handleClick={() => setTransferIssuesModal(true)} />}
              <div className="h-full w-full">
                <CycleLayoutRoot />
              </div>
            </div>
            {cycleId && <CycleDetailsSidebar isOpen={!isSidebarCollapsed} cycleId={cycleId.toString()} />}
          </div>
        </>
      )}
    </AppLayout>
  );
};

export default SingleCycle;