import { major } from './version';
import { createLoadImplement as createH5LoadImplement } from './h5';
import { createLoadImplement as createNativeLoadImplement } from './native';

//TODO: temp
const BUILD_VERSION = '__JOLIBOX_LOCAL_SDK_VERSION__';
const currentVersion = BUILD_VERSION;
const currentMajorVersion = major(currentVersion);

/**
 * Due to security restrictions on iOS, dynamically loading script tags is not supported.
 * Therefore, a loadScript method needs to be injected on the client side to implement evalJavascriptFun.
 * Link：https://mabin004.github.io/2018/06/25/iOS%E5%BA%94%E7%94%A8%E6%B2%99%E7%AE%B1/
 */

declare global {
  interface Window {
    JoliAndroidSDKBridge?: unknown;
    webkit?: unknown;
  }
}

const isNative = !!(navigator.userAgent || '').includes('JoliboxPlatformSDK');
const loadScript = isNative
  ? (params: { path: string }) => {
      const res = window.prompt(
        'invoke',
        JSON.stringify({
          event: 'loadScriptSync',
          paramsString: JSON.stringify(params)
        })
      );
      if (res) {
        const { data } = JSON.parse(res);
        if (typeof data === 'object' && 'content' in data) {
          return data.content;
        }
        return data;
      }
      return undefined;
    }
  : undefined;

let moduleOrigin = 'https://jsdelivr.jolibox.com';
const stgOrigin = 'https://stg-jsdelivr.jolibox.com';
const currentScript = window.document.currentScript as HTMLScriptElement | null;
if (currentScript) {
  const src = new URL(currentScript.src);
  moduleOrigin = src.origin; // "https://stg-jsdelivr.jolibox.com"
}

/**
 * Do not expose the logic of dynamically retrieving URL information in the config,
 * as this logic needs to remain self-contained within the SDK.
 */
export const getBoostrapModuleUrl = (version: string | number, targetOrigin?: string) =>
  `${targetOrigin ?? moduleOrigin}/npm/@jolibox/bootstrap@${version}/dist/index.js`;
export const getImplementModuleUrl = (version: string | number, targetOrigin?: string) =>
  `${targetOrigin ?? moduleOrigin}/npm/@jolibox/implement@${version}/dist/index.js`;

const checkReleaseVersion = (version: string): boolean => {
  const semverRegex = /^\d+\.\d+\.\d+$/;
  return semverRegex.test(version);
};

const fetchVersion = !checkReleaseVersion(currentVersion) ? currentVersion : currentMajorVersion;
const IMMEDIATE_SCRIPT_URL = getBoostrapModuleUrl(fetchVersion);
const REMOTE_IMPLEMENT_URL = getImplementModuleUrl(fetchVersion);

/**
 * load entry
 */
function loadImplement(): void {
  if (isNative) {
    createNativeLoadImplement(loadScript!, {
      bootstrapUrl: IMMEDIATE_SCRIPT_URL,
      implementUrl: REMOTE_IMPLEMENT_URL
    })();
  } else {
    createH5LoadImplement({
      bootstrapUrl: IMMEDIATE_SCRIPT_URL,
      implementUrl: REMOTE_IMPLEMENT_URL,
      currentMajorVersion,
      currentVersion
    })();
  }
}

loadImplement();