import React from "react";
import { useRouter } from "next/router";

// services
import { ModuleService } from "services/module.service";
import { IssueService } from "services/issue";
// lucide icons
import { CircleDashed, Plus } from "lucide-react";
// components
import { CreateUpdateIssueModal } from "components/issues/modal";
import { ExistingIssuesListModal } from "components/core";
import { CustomMenu } from "@plane/ui";
// hooks
import useUser from "hooks/use-user";
import useToast from "hooks/use-toast";
// mobx
import { observer } from "mobx-react-lite";
// types
import { IIssue, ISearchIssueResponse } from "types";

interface IHeaderGroupByCard {
  icon?: React.ReactNode;
  title: string;
  count: number;
  issuePayload: Partial<IIssue>;
}

const moduleService = new ModuleService();
const issueService = new IssueService();

export const HeaderGroupByCard = observer(({ icon, title, count, issuePayload }: IHeaderGroupByCard) => {
  const router = useRouter();
  const { workspaceSlug, projectId, moduleId, cycleId } = router.query;
  const [isOpen, setIsOpen] = React.useState(false);
  const [openExistingIssueListModal, setOpenExistingIssueListModal] = React.useState(false);

  const { user } = useUser();

  const { setToastAlert } = useToast();

  const verticalAlignPosition = false;

  const renderExistingIssueModal = moduleId || cycleId;
  const ExistingIssuesListModalPayload = moduleId ? { module: true } : { cycle: true };

  const handleAddIssuesToModule = async (data: ISearchIssueResponse[]) => {
    if (!workspaceSlug || !projectId) return;

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

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

  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 (
    <>
      <CreateUpdateIssueModal isOpen={isOpen} handleClose={() => setIsOpen(false)} prePopulateData={issuePayload} />
      {renderExistingIssueModal && (
        <ExistingIssuesListModal
          isOpen={openExistingIssueListModal}
          handleClose={() => setOpenExistingIssueListModal(false)}
          searchParams={ExistingIssuesListModalPayload}
          handleOnSubmit={moduleId ? handleAddIssuesToModule : handleAddIssuesToCycle}
        />
      )}
      <div
        className={`flex-shrink-0 relative flex gap-2 py-1.5 ${
          verticalAlignPosition ? `flex-col items-center w-11` : `flex-row items-center w-full`
        }`}
      >
        <div className="flex-shrink-0 w-5 h-5 rounded-sm overflow-hidden flex justify-center items-center">
          {icon ? icon : <CircleDashed className="h-3.5 w-3.5" strokeWidth={2} />}
        </div>

        <div className={`flex items-center gap-1 ${verticalAlignPosition ? `flex-col` : `flex-row w-full`}`}>
          <div
            className={`font-medium line-clamp-1 text-custom-text-100 ${verticalAlignPosition ? `vertical-lr` : ``}`}
          >
            {title}
          </div>
          <div className={`text-sm font-medium text-custom-text-300 ${verticalAlignPosition ? `` : `pl-2`}`}>
            {count || 0}
          </div>
        </div>

        {renderExistingIssueModal ? (
          <CustomMenu
            width="auto"
            customButton={
              <span className="flex-shrink-0 w-5 h-5 rounded-sm overflow-hidden flex justify-center items-center hover:bg-custom-background-80 cursor-pointer transition-all">
                <Plus className="h-3.5 w-3.5" strokeWidth={2} />
              </span>
            }
          >
            <CustomMenu.MenuItem onClick={() => setIsOpen(true)}>
              <span className="flex items-center justify-start gap-2">Create issue</span>
            </CustomMenu.MenuItem>
            <CustomMenu.MenuItem onClick={() => setOpenExistingIssueListModal(true)}>
              <span className="flex items-center justify-start gap-2">Add an existing issue</span>
            </CustomMenu.MenuItem>
          </CustomMenu>
        ) : (
          <div
            className="flex-shrink-0 w-5 h-5 rounded-sm overflow-hidden flex justify-center items-center hover:bg-custom-background-80 cursor-pointer transition-all"
            onClick={() => setIsOpen(true)}
          >
            <Plus width={14} strokeWidth={2} />
          </div>
        )}
      </div>
    </>
  );
});