import { DebugBuilder } from "../modules/debugger.mjs";
import { Client, GatewayIntentBits, Collection } from "discord.js";
import { registerActiveCommands } from "./modules/registerCommands.mjs";
import { RSSController } from "../rss-manager/rssController.mjs";
import { join, dirname } from "path";
import { readdirSync } from "fs";
import { fileURLToPath } from "url";
import PresenceManager from "./modules/presenceManager.mjs";

import dotenv from "dotenv";
dotenv.config();

const log = new DebugBuilder("server", "discordBot");

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

/**
 * Add the enabled commands to the bot to be used by users in discord
 * (commands that end in '.mjs' will be enabled, to disable just remove the extension or replace with '.mjs.disabled')
 * @param {any} serverClient
 * @param {any} _commandsPath="./commands"
 * @returns {any}
 */
export const addEnabledCommands = async (
  serverClient,
  _commandsPath = "./commands",
) => {
  // Setup commands for the Discord bot
  serverClient.commands = new Collection();
  const commandsPath = join(__dirname, _commandsPath);
  const commandFiles = readdirSync(commandsPath).filter((file) =>
    file.endsWith(".mjs"),
  );

  for (const file of commandFiles) {
    const filePath = await join(commandsPath, file);
    log.INFO(`Adding enabled command: ${filePath}`);
    await import(`file://${filePath}`).then((command) => {
      if (command.data instanceof Promise) {
        command.data.then(async (builder) => {
          command.data = builder;
          log.DEBUG("Importing command: ", command.data.name, command);
          // Set a new item in the Collection
          // With the key as the command name and the value as the exported module
          serverClient.commands.set(command.data.name, command);
        });
      } else {
        log.DEBUG("Importing command: ", command.data.name, command);
        // Set a new item in the Collection
        // With the key as the command name and the value as the exported module
        serverClient.commands.set(command.data.name, command);
      }
    });
  }

  // Register the commands currently in use by the bot
  await registerActiveCommands(serverClient);
};

/**
 * Add the enabled event listeners to the bot
 * (events that end in '.mjs' will be enabled, to disable just remove the extension or replace with '.mjs.disabled')
 * @param {any} serverClient
 * @param {any} _eventsPath="./events"
 * @returns {any}
 */
export function addEnabledEventListeners(
  serverClient,
  _eventsPath = "./events",
) {
  const eventsPath = join(__dirname, _eventsPath);
  const eventFiles = readdirSync(eventsPath).filter((file) =>
    file.endsWith(".mjs"),
  );

  for (const file of eventFiles) {
    const filePath = join(eventsPath, file);
    log.INFO(`Adding enabled event listener: ${filePath}`);
    import(`file://${filePath}`).then((event) => {
      log.DEBUG("Adding event: ", event);
      if (event.once) {
        serverClient.once(event.name, (...args) =>
          event.execute(serverClient.nodeIo, ...args),
        );
      } else {
        serverClient.on(event.name, (...args) =>
          event.execute(serverClient.nodeIo, ...args),
        );
      }
    });
  }
}

// The discord client
export const serverClient = new Client({
  intents: [
    GatewayIntentBits.Guilds,
    GatewayIntentBits.GuildVoiceStates,
    GatewayIntentBits.GuildMessages,
    GatewayIntentBits.MessageContent,
    GatewayIntentBits.GuildMembers,
    GatewayIntentBits.GuildPresences,
  ],
});

// Run when the bot is ready
serverClient.on("ready", async () => {
  log.INFO(`Logged in as ${serverClient.user.tag}!`);

  // Set the presence to default
  const pm = new PresenceManager(serverClient);
  await pm.resetToDefault();

  // Add and register commands
  await addEnabledCommands(serverClient);

  // Config the discord bot with events
  await addEnabledEventListeners(serverClient);

  // Start the RSS Controller
  serverClient.RSSController = await new RSSController(serverClient);
  serverClient.RSSController.start();

  log.INFO("RSS Controller:", serverClient.RSSController);
});

// Startup the discord bot
log.INFO(`Logging into discord with ID: ${process.env.DISCORD_TOKEN}`);
serverClient.login(process.env.DISCORD_TOKEN);