import { Rcon } from "rconts";
import { EventEmitter } from "tseep"
import config from "./config.json" assert { type: "json" };
export const apiEvents = new EventEmitter<{
  state: (currentUser: string, amount: number, done: number) => void
}>();

let lastUpdated = 0;
let authenicated = false;
const advancements = new Map<string, number>();

const client = new Rcon({
  host: config.rcon.host,
  port: config.rcon.port,
  password: config.rcon.password
}
);

client.on("connected", () => {
  console.log("RCON connected.");
});

client.on("authenicated", () => {
  authenicated = true;
});

export function getAdvancements(): Promise<Map<string, number>> {
  if (Date.now() - lastUpdated < 60000) {
    return Promise.resolve(advancements);
  }

  lastUpdated = Date.now();
  advancements.clear();
  return new Promise(async (res, rej) => {
    if (!authenicated) {
      rej("Not authenicated.");
      return;
    }

    const list = await client.exec("whitelist list");
    const whitelistedPlayers = list.replace(/There are \d* whitelisted player\(s\): /gm, "").split(", ");
    let amount = 0;
    apiEvents.emit("state", "-", whitelistedPlayers.length, amount)

    for await(const name of whitelistedPlayers) {
      const data = await client.exec(`scoreboard players get ${name} bac_advancements`);
      const advancementRegex = /^([^ ]*) has (\d*) \[Advancements\]$/gm;
      const noAdvancements =
        /^Can't get value of bac_advancements for ([^;]*); none is set$/gm;

      if (advancementRegex.test(data)) {
        advancements.set(
          data.replace(advancementRegex, "$1"),
          +data.replace(advancementRegex, "$2")
        );
      } else if (noAdvancements.test(data)) {
        advancements.set(data.replace(noAdvancements, "$1"), 0);
      }
      amount++;
      apiEvents.emit("state", name, whitelistedPlayers.length, amount)
    }
    res(advancements);
  });
}

client.connect();