import { BuildConfig, getBuildConfig } from "./build";

export function getClientConfig() {
  if (typeof document !== "undefined") {
    // client side
    return JSON.parse(queryMeta("config")) as BuildConfig;
  }

  if (typeof process !== "undefined") {
    // server side
    return getBuildConfig();
  }
}

/**
 * 适配basePath不为空的情况
 * @param api
 */
export function getFullApi(api: string) {
  const base = getClientConfig()?.baseApi ?? "";
  if (api.startsWith("/") && base.endsWith("/")) {
    return base + api.substring(1);
  }
  if (api.startsWith("/") || base.endsWith("/")) {
    return base + api;
  }
  return base + "/" + api;
}

function queryMeta(key: string, defaultValue?: string): string {
  let ret: string;
  if (document) {
    const meta = document.head.querySelector(
      `meta[name='${key}']`,
    ) as HTMLMetaElement;
    ret = meta?.content ?? "";
  } else {
    ret = defaultValue ?? "";
  }

  return ret;
}