import { FC } from "react";
import { observer } from "mobx-react-lite";
import { useRouter } from "next/router";
import { Plus } from "lucide-react";
// hooks
// ui
import { Breadcrumbs, Button, ContrastIcon } from "@plane/ui";
// helpers
// components
import { BreadcrumbLink } from "@/components/common";
import { ProjectLogo } from "@/components/project";
import { EUserProjectRoles } from "@/constants/project";
import { useApplication, useEventTracker, useProject, useUser } from "@/hooks/store";

export const CyclesHeader: FC = observer(() => {
  // router
  const router = useRouter();
  const { workspaceSlug } = router.query;
  // store hooks
  const {
    commandPalette: { toggleCreateCycleModal },
  } = useApplication();
  const { setTrackElement } = useEventTracker();
  const {
    membership: { currentProjectRole },
  } = useUser();
  const { currentProjectDetails } = useProject();

  const canUserCreateCycle =
    currentProjectRole && [EUserProjectRoles.ADMIN, EUserProjectRoles.MEMBER].includes(currentProjectRole);

  return (
    <div className="relative z-10 items-center justify-between gap-x-2 gap-y-4">
      <div className="flex bg-custom-sidebar-background-100 p-4">
        <div className="flex w-full flex-grow items-center gap-2 overflow-ellipsis whitespace-nowrap">
          <div>
            <Breadcrumbs onBack={router.back}>
              <Breadcrumbs.BreadcrumbItem
                type="text"
                link={
                  <BreadcrumbLink
                    label={currentProjectDetails?.name ?? "Project"}
                    href={`/${workspaceSlug}/projects/${currentProjectDetails?.id}/issues`}
                    icon={
                      currentProjectDetails && (
                        <span className="grid place-items-center flex-shrink-0 h-4 w-4">
                          <ProjectLogo logo={currentProjectDetails?.logo_props} className="text-sm" />
                        </span>
                      )
                    }
                  />
                }
              />
              <Breadcrumbs.BreadcrumbItem
                type="text"
                link={
                  <BreadcrumbLink label="Cycles" icon={<ContrastIcon className="h-4 w-4 text-custom-text-300" />} />
                }
              />
            </Breadcrumbs>
          </div>
        </div>
        {canUserCreateCycle && (
          <div className="flex items-center gap-3">
            <Button
              variant="primary"
              size="sm"
              prependIcon={<Plus />}
              onClick={() => {
                setTrackElement("Cycles page");
                toggleCreateCycleModal(true);
              }}
            >
              <div className="hidden sm:block">Add</div> Cycle
            </Button>
          </div>
        )}
      </div>
    </div>
  );
});