#!/bin/env -S deno run -A --unstable-kv

import * as fs from "node:fs";

import { Client } from "npm:discord.js";

import { Storage } from "./lib/storage.ts";
import { channel, log_from } from "./lib/utils.ts";
import { update_loop } from "./lib/board.ts";
import { notification_loop } from "./lib/notification.ts";
import { declare_commands, handle_autocomplete, handle_command } from "./lib/commands/commands.ts";


const log = log_from(import.meta);
const subjects = new Set(fs.readFileSync('/modules.conf', 'utf-8').split('\n'));

async function main() {
	const debug_server = Deno.env.get("DEBUG");
	if (debug_server !== undefined) log("Starting in debug mode on server", debug_server);
	const [token_file] = Deno.args;
	const token = (await Deno.readTextFile(token_file)).trim();

	const storage = await Storage.open("./local/db");
	const bot = new Client({ intents: ["GuildMessages", "Guilds"] });
	const update_display = channel();

	bot.on("interactionCreate", async (interaction) => {
		if (interaction.isChatInputCommand()) return await handle_command(interaction, storage, update_display);
		if (interaction.isAutocomplete()) return await handle_autocomplete(interaction, storage);
	});

	log("Logging in ...");
	await bot.login(token);
	log("Logged in as", bot.user?.username);

	const commands = declare_commands(subjects);
	if (debug_server !== undefined) {
		for (const command of commands) command.setName("dbg-" + command.name);
		await bot.application?.commands.set(commands, debug_server);
	} else {
		await bot.application?.commands.set(commands);
	}
	log("Registered", commands.length, "commands.");

	update_loop(bot, storage, update_display);
	update_display.send();

	notification_loop(bot, storage);
	log("Oki.");
}

if (import.meta.main) await main();