'use strict';

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

const countries = require('../../assets/countries-curated.json');
const pickRandom = require('../utils/pick-random');
const style = require('../utils/style');

const games = new Map();

const questions = [
	'What\'s this country?',
	'Name this country.',
	'Where are we going on holiday?',
	'What\'s our destination?',
	'I\'d never heard of that place, what\'s it called?',
];

function hint(game, context) {
	if (game.name.length >= 5) {
		context.sendMessage(`${style.bold(game.name
			.split('')
			.map((letter, index) => (index === 0 || index === game.name.length - 1 ? letter : '_'))
			.join(' ')
			.toUpperCase())}, the country code is ${style.bold(game.alpha2)}`, context.room.id);

		return;
	}

	context.sendMessage(`${style.bold(game.name
		.split('')
		.map((letter, index) => (index === 0 ? letter : '_'))
		.join(' ')
		.toUpperCase())}, the country code is ${style.bold(game.alpha2)}`, context.room.id);
}

function play(context) {
	const country = pickRandom(countries);
	const url = `${config.geo.url}${country.file}`;

	games.set(context.room.id, {
		...country,
		url,
		regexp: new RegExp(country.name, 'i'),
	});

	context.sendMessage(`${url} ${pickRandom(questions)}`, context.room.id);
	context.logger.info(`Geo played '${country.name}' (${url})`);
}

async function onCommand(args, context) {
	if (context.subcommand && !games.has(context.room.id)) {
		context.sendMessage(`There is no country in play right now. Start a new round with ${config.prefix}geo!`, context.room.id);
		return;
	}

	if (['skip', 'stop', 'reset'].includes(context.subcommand)) {
		const game = games.get(context.room.id);

		games.delete(context.room.id);
		context.sendMessage(`Geo was skipped by ${context.user.prefixedUsername}. The country was ${style.bold(game.name)}.`, context.room.id);

		await timers.setTimeout(2000);
	}

	const game = games.get(context.room.id);

	if (context.subcommand === 'hint') {
		hint(game, context);
		return;
	}

	if (game) {
		context.sendMessage(game.url, context.room.id);
		return;
	}

	play(context);
}

async function onMessage(message, context) {
	const game = games.get(context.room.id);

	if (!game) {
		return;
	}

	if (game.regexp.test(message.body)) {
		context.sendMessage(`${style.answer(game.name)} is the right answer! ${style.username(context.user.prefixedUsername)} gets a point.`, context.room.id);
		context.setPoints(context.user);

		games.delete(context.room.id);

		await timers.setTimeout(3000);

		play(context);
	}
}

module.exports = {
	onCommand,
	onMessage,
	commands: ['country', 'atlas'],
	help: 'Name the country on the map! Too hard? Try ~geo:hint or ~geo:skip.',
};