import { UAParser } from "ua-parser-js";
import { IDeviceInfo } from "./types";

const myUa = new UAParser();
const UNKNOWN = "UnKnown";
export function getTrackUaInfo(info?: Partial<IDeviceInfo>): IDeviceInfo {
  const ua = myUa.getResult();
  return {
    os: ua.os.name ? `${ua.os.name || ""} ${ua.os.version || ""}` : UNKNOWN,
    device:
      ua.device.vendor || ua.device.model
        ? `${ua.device.vendor || ""} ${ua.device.model || ""}`
        : UNKNOWN,
    browser:
      ua.browser.name || ua.browser.version
        ? `${ua.browser.name || ""} ${ua.browser.version || ""} ${
            ua.browser.major || ""
          }`
        : UNKNOWN,
    engine:
      ua.engine.name || ua.engine.version
        ? `${ua.engine.name || ""} ${ua.engine.version || ""}`
        : UNKNOWN,
    uuid: UNKNOWN, // 移动端专属，需要移动端初始化获取
    buildVersion: UNKNOWN, // 移动端专属，需要移动端初始化获取
    ...info,
  };
}

export function getUA() {
  return myUa.getUA();
}

export function isMobile() {
  return myUa.getDevice().type === "mobile";
}

export function getMemory() {
  try {
    const memory = (performance as any).memory;
    /**
     * usedJSHeapSize: 当前已使用的JavaScript堆大小。
      totalJSHeapSize: 当前JavaScript堆的总大小。
      jsHeapSizeLimit: JavaScript堆的最大限制。
     */
    const obj = {
      jsHeapSizeLimit: memory.jsHeapSizeLimit,
      totalJSHeapSize: memory.totalJSHeapSize,
      usedJSHeapSize: memory.usedJSHeapSize,
    };
    return JSON.stringify(obj);
  } catch (error) {
    return "";
  }
}