import type { Metadata } from "next";
import { cookies } from "next/headers";
import { authCookieHeader } from "@/lib/cookies";
import { fetchBoards, type BoardWithCount } from "@/lib/api";
import { getMeCached } from "@/lib/serverData";
import { canModerateAny, isAdminOrAbove } from "@/lib/roles";
import Forbidden from "../Forbidden";
import PinnedAdmin from "./PinnedAdmin";

export const metadata: Metadata = {
  title: "置顶管理",
};

export default async function AdminPinnedPage() {
  const cookie = authCookieHeader(await cookies());
  const me = await getMeCached(cookie || undefined);

  // 管理员及以上排全站置顶；板块管理员排自己授权板块的板块置顶
  if (!me.user || !canModerateAny(me.user)) {
    return <Forbidden text="你所在的角色没有置顶管理权限，或尚未被授权任何板块。" />;
  }

  // 板块管理员只能看到自己被授权的板块
  let boards: BoardWithCount[] = [];
  try {
    const r = await fetchBoards();
    boards = r.boards ?? [];
  } catch {
    boards = [];
  }
  if (!isAdminOrAbove(me.user.role)) {
    const ids = new Set(me.user.board_ids ?? []);
    boards = boards.filter((b) => ids.has(b.id));
  }

  return (
    <PinnedAdmin
      boards={boards.map((b) => ({ id: b.id, name: b.name }))}
      canGlobal={isAdminOrAbove(me.user.role)}
    />
  );
}