import { cacheLife, cacheTag } from "next/cache";

import { apiRequest } from "./client";
import { serverFetchJson } from "./server-fetch";
import type { AppListResp } from "./types";

/** GET /api/app/applist/list。categoryId=0 返回默认分类及全部分类列表。浏览器端可用。 */
export function fetchAppList(categoryId = 0, token?: string | null) {
  return apiRequest<AppListResp>(`/api/app/applist/list?categoryId=${categoryId}`, {
    method: "GET",
    token,
  });
}

export type AppListLoadResult = {
  data: AppListResp | null;
  error: string;
};

/**
 * 服务端拉取应用列表。
 * 网络失败在缓存函数内消化，避免 "use cache" 抛错把整页打成 500。
 */
export async function getAppListCached(categoryId = 0): Promise<AppListLoadResult> {
  "use cache";
  cacheLife("hours");
  cacheTag("applist");

  try {
    const data = await serverFetchJson<AppListResp>(`/api/app/applist/list?categoryId=${categoryId}`);
    return { data, error: "" };
  } catch (reason: unknown) {
    const error = reason instanceof Error ? reason.message : "应用列表加载失败";
    if (process.env.NODE_ENV === "development") {
      console.warn("[applist]", reason);
    }
    return { data: null, error };
  }
}