/* =============================================================================
 * B01_Dashboard_UI_Page.ts
 * 대시보드 입구 — 나(me) · 산림청 판정을 읽고 셸(`B01_Dashboard_UI_Shell.ts`)을 세움(546).
 *   세부 페이지는 등록부(`B01_Dashboard_UI_Views.ts`) · 옛 구역 부품은 `B01_Dashboard_UI_Legacy.ts`.
 * ========================================================================== */

import { hideLoadingOverlay, showLoadingOverlay, showToast } from "@ui/ui_template_elements";
import type { MountedPage } from "../A00_Common/router";
import { fetchSessionUser } from "../A06_Login/A06_Login_Api_Fetch";
import { fetchDashboardMe } from "./B01_Dashboard_Api_Fetch";
import { L } from "./B01_Dashboard_UI_Common";
import { mountDashboardShell } from "./B01_Dashboard_UI_Shell";
import "./B01_Dashboard_UI_Style.css";
import "./B01_Dashboard_UI_Style_Company.css";

export type { DashboardState } from "./B01_Dashboard_UI_Legacy";

export async function renderB01Dashboard(root: HTMLElement): Promise<MountedPage | void> {
  showLoadingOverlay();
  try {
    const [user, session] = await Promise.all([
      fetchDashboardMe(),
      fetchSessionUser().catch(() => null),
    ]);
    root.innerHTML = "";
    return await mountDashboardShell(root, user, Boolean(session?.is_forest_service));
  } catch (error) {
    showToast(error instanceof Error ? error.message : L("B01_Dashboard_LoadFailed"), "error");
  } finally {
    hideLoadingOverlay();
  }
}