const Command = require('../../framework/Command');
const request = require('node-superfetch');
const { stripIndents } = require('common-tags');
const { formatNumber } = require('../../util/Util');
const choices = ['1', '2'];

module.exports = class WouldYouRatherCommand extends Command {
	constructor(client) {
		super(client, {
			name: 'would-you-rather',
			aliases: ['wy-rather', 'wyr'],
			group: 'games-sp',
			memberName: 'would-you-rather',
			description: 'Responds with a random "Would you rather ...?" question.',
			game: true,
			credit: [
				{
					name: 'wouldurather.io',
					url: 'https://wouldurather.io',
					reason: 'API'
				}
			]
		});

		this.availableQuestions = null;
	}

	async run(msg) {
		if (!this.availableQuestions) await this.fetchAvailableQuestions();
		const data = await this.fetchRandomQuestion();
		await msg.say(stripIndents`
			Would you rather...
			**1.** ${data.option1}
			**2.** ${data.option2}

			_Respond with either **1** or **2** to continue._
		`);
		const filter = res => res.author.id === msg.author.id && choices.includes(res.content.toLowerCase());
		const msgs = await msg.channel.awaitMessages({
			filter,
			time: 30000,
			max: 1
		});
		if (!msgs.size) {
			return msg.reply(stripIndents`
				No response? Too bad.
				${formatNumber(data.option1Votes)} - ${formatNumber(data.option2Votes)}
			`);
		}
		const option1 = msgs.first().content.toLowerCase() === '1';
		const totalVotes = Number.parseInt(data.option1Votes, 10) + Number.parseInt(data.option2Votes, 10);
		const numToUse = option1 ? Number.parseInt(data.option1Votes, 10) : Number.parseInt(data.option2Votes, 10);
		return msg.reply(stripIndents`
			**${Math.round((numToUse / totalVotes) * 100)}%** of people agree!
			${formatNumber(data.option1Votes)} - ${formatNumber(data.option2Votes)}
		`);
	}

	async fetchAvailableQuestions() {
		const { body } = await request.get('https://wouldurather.io/api/availableQuestions');
		this.availableQuestions = body.question_array;
		return this.availableQuestions;
	}

	async fetchQuestion(id) {
		const { body } = await request
			.get('https://wouldurather.io/api/question')
			.query({ id });
		return body;
	}

	fetchRandomQuestion() {
		const id = this.availableQuestions[Math.floor(Math.random() * this.availableQuestions.length)];
		return this.fetchQuestion(id);
	}
};