import { IHandlerOutput } from "../handler.interface";
import { DOMWindow } from "jsdom";
import { EngineParseError } from "../../errors/main";
import qPostsHandler from "./questions-posts";

export default async function stackoverflow(
  window: DOMWindow,
): Promise<IHandlerOutput> {
  const url = new URL(window.location.href);

  const path = url.pathname.split("/").filter((p) => p !== "");

  let result: IHandlerOutput = {
    content: "",
    textContent: "",
    title: "",
    lang: "",
  };

  if (path[0] === "questions") {
    if (path.length === 3) {
      result = await qPostsHandler(window);
    } else if (path.length === 1) {
      result.content = "questions";
    } else {
      throw new EngineParseError("Invalid URL [stackoverflow]");
    }
  }

  return result;
}

export const StackOverflowDomains = [
  "stackoverflow.com",
  "*.stackoverflow.com",
  "*.stackexchange.com",
  "askubuntu.com",
  "stackapps.com",
  "mathoverflow.net",
  "superuser.com",
  "serverfault.com",
];