import { loadProcessedExtensions } from "@moonlight-mod/core/extension/loader";
import {
  installWebpackPatcher,
  onModuleLoad,
  registerPatch,
  registerWebpackModule
} from "@moonlight-mod/core/patch";
import { constants, MoonlightBranch } from "@moonlight-mod/types";
import { installStyles } from "@moonlight-mod/core/styles";
import Logger, { initLogger } from "@moonlight-mod/core/util/logger";
import LunAST from "@moonlight-mod/lunast";
import Moonmap from "@moonlight-mod/moonmap";
import loadMappings from "@moonlight-mod/mappings";
import { createEventEmitter } from "@moonlight-mod/core/util/event";
import { EventPayloads, EventType } from "@moonlight-mod/types/core/event";

async function load() {
  initLogger(moonlightNode.config);
  const logger = new Logger("web-preload");

  window.moonlight = {
    apiLevel: constants.apiLevel,
    unpatched: new Set(),
    pendingModules: new Set(),
    enabledExtensions: new Set(),
    events: createEventEmitter<EventType, EventPayloads>(),
    patchingInternals: {
      onModuleLoad,
      registerPatch,
      registerWebpackModule
    },

    version: MOONLIGHT_VERSION,
    branch: MOONLIGHT_BRANCH as MoonlightBranch,

    getConfig: moonlightNode.getConfig.bind(moonlightNode),
    getConfigOption: moonlightNode.getConfigOption.bind(moonlightNode),
    getNatives: moonlightNode.getNatives.bind(moonlightNode),
    getLogger(id) {
      return new Logger(id);
    },
    lunast: new LunAST(),
    moonmap: new Moonmap()
  };

  try {
    loadMappings(window.moonlight.moonmap, window.moonlight.lunast);
    await loadProcessedExtensions(moonlightNode.processedExtensions);
    await installWebpackPatcher();
  } catch (e) {
    logger.error("Error setting up web-preload", e);
  }

  if (MOONLIGHT_ENV === "web-preload") {
    window.addEventListener("DOMContentLoaded", () => {
      installStyles();
    });
  } else {
    installStyles();
  }
}

if (MOONLIGHT_ENV === "web-preload") {
  load();
} else {
  window._moonlightBrowserLoad = load;
}