import { dbGlobal } from "drizzle-pkg/lib/db";
import { users } from "drizzle-pkg/lib/schema/auth";
import { count, desc, like, or } from "drizzle-orm";

export default defineWrappedResponseHandler(async (event) => {
  const query = getQuery(event);
  const page = query.page ? Number(query.page) : 1;
  const pageSize = query.pageSize ? Number(query.pageSize) : 10;
  const search = query.search as string | undefined;

  const offset = (page - 1) * pageSize;
  const searchPattern = search ? `%${search}%` : undefined;

  const [totalResult] = await dbGlobal
    .select({ total: count() })
    .from(users);

  const list = await dbGlobal
    .select({
      id: users.id,
      username: users.username,
      email: users.email,
      nickname: users.nickname,
      avatar: users.avatar,
      role: users.role,
      status: users.status,
      createdAt: users.createdAt,
    })
    .from(users)
    .where(
      searchPattern
        ? or(
            like(users.username, searchPattern),
            like(users.email, searchPattern),
            like(users.nickname, searchPattern),
          )
        : undefined,
    )
    .orderBy(desc(users.createdAt))
    .limit(pageSize)
    .offset(offset);

  return R.success({
    list,
    total: totalResult?.total ?? 0,
    page,
    pageSize,
    totalPages: Math.ceil((totalResult?.total ?? 0) / pageSize),
  });
});