const Command = require('../../framework/Command');
const { Collection } = require('@discordjs/collection');
const { stripIndents } = require('common-tags');
const { shuffle, verify, awaitPlayers, removeFromArray } = require('../../util/Util');

module.exports = class RussianRouletteCommand extends Command {
	constructor(client) {
		super(client, {
			name: 'russian-roulette',
			aliases: ['r-roulette', 'russia-gun'],
			group: 'games-mp',
			memberName: 'russian-roulette',
			description: 'Who will pull the trigger and die first?',
			game: true,
			args: [
				{
					key: 'playersCount',
					type: 'integer',
					min: 1,
					max: 7
				}
			]
		});
	}

	async run(msg, { playersCount }) {
		const awaitedPlayers = await awaitPlayers(msg, playersCount, 1, this.client.blacklist.user);
		if (!awaitedPlayers) return msg.say('Game could not be started...');
		const players = new Collection();
		for (const player of awaitedPlayers) {
			players.set(player, {
				id: player,
				user: await this.client.users.fetch(player)
			});
		}
		players.set(this.client.user.id, {
			id: this.client.user.id,
			user: this.client.user
		});
		const turn = shuffle(players.map(player => player.id));
		const gun = shuffle([true, false, false, false, false, false, false, false]);
		let round = 0;
		let loser = null;
		let winner = null;
		const wallOfShame = [];
		while (!loser && !winner) {
			const player = players.get(turn[0]);
			turn.push(turn[0]);
			turn.shift();
			if (gun[round]) {
				await msg.say(`**${player.user.tag}** pulls the trigger... **And dies!**`);
				loser = player;
			} else {
				const nextUp = players.get(turn[0]).user;
				await msg.say(stripIndents`
					**${player.user.tag}** pulls the trigger... **And lives...**
					${nextUp.bot ? '' : `Will you take the gun, ${nextUp}?`}
				`);
				if (!nextUp.bot) {
					let first = true;
					for (const next of turn) {
						const nextPlayer = players.get(next);
						if (!first) {
							await msg.say(stripIndents`
								Coward.
								${nextPlayer.user}, will YOU take the gun?
							`);
						}
						if (first) first = false;
						const keepGoing = await verify(msg.channel, nextPlayer.user);
						if (keepGoing) break;
						wallOfShame.push(players.get(next).user.toString());
						players.delete(next);
						removeFromArray(turn, next);
					}
				}
				if (players.size === 1) winner = players.first();
				round++;
			}
		}
		if (winner) {
			return msg.say(stripIndents`
				The winner is ${winner.user}!

				__**Wall Of Shame:**__
				${wallOfShame.length ? wallOfShame.join('\n') : 'No one!'}
			`);
		}
		return msg.say(stripIndents`
			The loser is ${loser.user}!

			__**Wall Of Shame:**__
			${wallOfShame.length ? wallOfShame.join('\n') : 'No one!'}
		`);
	}
};