/**
 * Copyright (c) 2023-present Plane Software, Inc. and contributors
 * SPDX-License-Identifier: AGPL-3.0-only
 * See the LICENSE file for details.
 */

import { useEffect, useState } from "react";
import { observer } from "mobx-react";
import useSWR from "swr";
import { EUserPermissions, EUserPermissionsLevel } from "@plane/constants";
import type { TNameDescriptionLoader } from "@plane/types";
import { ContentWrapper } from "@plane/ui";
import { useProjectExternalContours } from "@/hooks/store/use-project-external-contours";
import { useUser, useUserPermissions } from "@/hooks/store/user";
import { useAppRouter } from "@/hooks/use-app-router";
import { ExternalContoursIssueActionsHeader } from "./issue-header";
import { ExternalContoursIssueMainContent } from "./issue-root";

type Props = {
  workspaceSlug: string;
  projectId: string;
  inboxIssueId: string;
  isMobileSidebar: boolean;
  setIsMobileSidebar: (value: boolean) => void;
};

export const ExternalContoursContentRoot = observer(function ExternalContoursContentRoot(props: Props) {
  const { workspaceSlug, projectId, inboxIssueId, isMobileSidebar, setIsMobileSidebar } = props;
  const router = useAppRouter();
  const [isSubmitting, setIsSubmitting] = useState<TNameDescriptionLoader>("saved");
  const { data: currentUser } = useUser();
  const { currentTab, fetchRequestById, getRequestById, getIsRequestAvailable } = useProjectExternalContours();
  const contourRequest = getRequestById(inboxIssueId);
  const issue = contourRequest?.issue;
  const targetProjectId = issue?.project_id || projectId;
  const { allowPermissions, getProjectRoleByWorkspaceSlugAndProjectId } = useUserPermissions();
  const hasDirectTargetAccess = !!(
    targetProjectId && getProjectRoleByWorkspaceSlugAndProjectId(workspaceSlug, targetProjectId) !== undefined
  );

  const isIssueAvailable = getIsRequestAvailable(inboxIssueId?.toString() || "");

  useEffect(() => {
    if (!isIssueAvailable && inboxIssueId) {
      router.replace(`/${workspaceSlug}/projects/${projectId}/external-contours?currentTab=${currentTab}`);
    }
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [isIssueAvailable]);

  useSWR(
    workspaceSlug && projectId && inboxIssueId
      ? `PROJECT_EXTERNAL_CONTOUR_DETAIL_${workspaceSlug}_${projectId}_${inboxIssueId}`
      : null,
    workspaceSlug && projectId && inboxIssueId ? () => fetchRequestById(workspaceSlug, projectId, inboxIssueId) : null,
    {
      revalidateOnFocus: !hasDirectTargetAccess,
      revalidateIfStale: !hasDirectTargetAccess,
      refreshInterval: hasDirectTargetAccess ? 0 : 15000,
    }
  );

  const isEditable =
    hasDirectTargetAccess &&
    (allowPermissions([EUserPermissions.ADMIN], EUserPermissionsLevel.PROJECT, workspaceSlug, targetProjectId) ||
      issue?.created_by === currentUser?.id);
  const sourceRequesterId = contourRequest?.requested_by_id || issue?.created_by || contourRequest?.created_by;
  const isSourceEditable =
    !hasDirectTargetAccess &&
    contourRequest?.status === "open" &&
    !!currentUser?.id &&
    String(sourceRequesterId) === String(currentUser.id);

  const isGuest =
    !!targetProjectId && getProjectRoleByWorkspaceSlugAndProjectId(workspaceSlug, targetProjectId) === EUserPermissions.GUEST;
  const isOwner = issue?.created_by === currentUser?.id;
  const readOnly = !isOwner && isGuest;

  if (!contourRequest || !issue) return <></>;

  return (
    <div className="relative flex h-full w-full flex-col overflow-hidden">
      <div className="z-[11] min-h-[52px] flex-shrink-0">
        <ExternalContoursIssueActionsHeader
          setIsMobileSidebar={setIsMobileSidebar}
          isMobileSidebar={isMobileSidebar}
          workspaceSlug={workspaceSlug}
          sourceProjectId={projectId}
          contourRequest={contourRequest}
          isSubmitting={isSubmitting}
          hasDirectTargetAccess={hasDirectTargetAccess}
        />
      </div>
      <ContentWrapper className="divide-y-2 divide-subtle-1">
        <ExternalContoursIssueMainContent
          workspaceSlug={workspaceSlug}
          sourceProjectId={projectId}
          contourRequest={contourRequest}
          hasDirectTargetAccess={hasDirectTargetAccess}
          isEditable={!!isEditable && !readOnly}
          isSourceEditable={isSourceEditable}
          isSubmitting={isSubmitting}
          setIsSubmitting={setIsSubmitting}
        />
      </ContentWrapper>
    </div>
  );
});
