import DiscordApi from "discord.js";
import OpenAIApi from "openai";
import { PrismaClient } from "@prisma/client";
import Typescript from "typescript";
import fs from "node:fs";

import { queueRequest } from "./execution";
import InteractionManager from "./interactionManager";
import newConfig, { IConfig, IConfigRequired } from "./configDefault";
const discord = new DiscordApi.Client({
  intents: [
    DiscordApi.GatewayIntentBits.Guilds,
    DiscordApi.GatewayIntentBits.GuildMessages,
    DiscordApi.GatewayIntentBits.MessageContent,
  ]
});

function getConfig() {
  let fileConfig: IConfig | undefined = undefined;
  try {
    fs.statSync("./config.ts");
    const program = Typescript.createProgram(
      ["./config.ts"],
      {outDir: "./dist"}
    );

    program.getSourceFiles()
      .filter(e => {
        if (!e.fileName.match(`^${process.cwd()}`)) return true;
        if (e.fileName.match(`${process.cwd()}/node_modules`)) return false;
        if (e.fileName.match(`${process.cwd()}/src/`)) return false;
        return true;
      })
      .forEach(e => program.emit(e));
    // eslint-disable-next-line @typescript-eslint/no-var-requires, @typescript-eslint/no-unsafe-member-access
    fileConfig = require("../config").default as IConfig;
  } catch (e) {
    //FIXME: make errors more descriptive to the enduser
    console.log(e);
  }
  return fileConfig !== undefined ? newConfig(fileConfig) : newConfig();
}

export const config: IConfigRequired = getConfig();

export const openai = new OpenAIApi({
  apiKey: config.tokens.OpenAI
});

export const database = new PrismaClient();

const interactionManager = new InteractionManager();
interactionManager.bindClient(discord);

discord.on("ready", event => {
  console.log(`Connected to Discord as ${event.user.tag} (${event.user.id})`);
});

discord.on("messageCreate", message => {
  if (message.author.bot) return;
  if (!message.mentions.has(message.client.user, { ignoreEveryone: true })) return;

  return queueRequest(message);
});

if (require.main === module) {
  void discord.login(config.tokens.Discord);
  process.on("SIGINT", () => {
    console.log("got SIGINT, exiting");
    //FIXME: finish executing requests then exit
    discord.destroy()
    .then(() => process.exit())
    .catch((e) => {
      console.error("Failed to gracefully exit");
      console.error(e);
      process.exit();
    });
  });
}