'use strict';

const config = require('config');
const crypto = require('crypto');
const timers = require('timers/promises');

const riddles = require('../../assets/riddles.json');
const style = require('../utils/style');

const settings = { ...config.riddle };
const open = new Map();

const emojis = ['😆', '🤣', '😂', '😅', '🤪', '😛', '😝', '🙃', '🥲', '🤭', '😏', '🥴', '💀', '🤦'];

function setTimeout(timeout, context) {
	if (!timeout) {
		context.sendMessage(`Timeout is set to ${style.bold(settings.timeout)}`, context.room.id);
		return;
	}

	const parsedTimeout = Number(timeout);

	if (Number.isNaN(parsedTimeout) || parsedTimeout < 10 || parsedTimeout > 300) {
		context.sendMessage('Timeout must be a number between 10 and 300', context.room.id);
		return;
	}

	settings.timeout = parsedTimeout;

	context.sendMessage(`Timeout set to ${style.bold(settings.timeout)} by ${context.user.prefixedUsername}`, context.room.id);
}

async function onCommand(args, context) {
	if (context.subcommand === 'timeout') {
		setTimeout(args[0], context);
		return;
	}

	if (open.has(context.room.id)) {
		context.sendMessage(open.get(context.room.id).riddle, context.room.id);
		return;
	}

	const riddle = riddles[crypto.randomInt(0, riddles.length)];
	const ac = new AbortController(); // eslint-disable-line no-undef

	open.set(context.room.id, { ...riddle, ac });

	context.sendMessage(riddle.riddle, context.room.id);
	context.logger.info(`Riddle asked "${riddle.riddle}" with answer: ${riddle.answers[0]}`);

	try {
		await timers.setTimeout(settings.timeout * 1000, null, { signal: ac.signal });

		open.delete(context.room.id);
		context.sendMessage(`No one guessed the riddle: ${style.bold(riddle.fullAnswer)}! ${emojis[crypto.randomInt(0, emojis.length)]}`, context.room.id);
	} catch (error) {
		// timer aborted because someone guessed the answer
	}
}

function onMessage(message, context) {
	const riddle = open.get(context.room?.id);

	if (riddle && riddle.answers.some((answer) => new RegExp(`\\b${answer}s?\\b`, 'i').test(message.body))) {
		riddle.ac.abort();
		open.delete(context.room.id);

		if (config.riddle.score) {
			context.setPoints(context.user, 1);
			context.sendMessage(`${style.bold(style.yellow(riddle.fullAnswer))} is the right answer! ${context.user.prefixedUsername} gets a point.`, context.room.id);

			return;
		}

		context.sendMessage(`${style.bold(riddle.fullAnswer)} is the right answer!`, context.room.id);
	}
}

module.exports = {
	help: `Solve the riddle before time runs out! Ask for one with ${config.prefix}riddle, and answer by typing it in the chat. Change the time limit with ${config.prefix}riddle:timeout [10-300].`,
	onCommand,
	onMessage,
};