const Command = require("../../base/Command.js");

class Clear extends Command {
	constructor (client) {
		super(client, {
			name: "clear",
			dirname: __dirname,
			enabled: true,
			guildOnly: true,
			aliases: [ "clear", "bulkdelete", "purge" ],
			memberPermissions: [ "MANAGE_MESSAGES" ],
			botPermissions: [ "SEND_MESSAGES", "EMBED_LINKS", "MANAGE_MESSAGES" ],
			nsfw: false,
			ownerOnly: false,
			cooldown: 3000
		});
	}

	async run (message, args) {
		if (args[0] === "all") {
			message.sendT("moderation/clear:ALL_CONFIRM");
			await message.channel.awaitMessages((m) => (m.author.id === message.author.id) && (m.content === "confirm"), {
				max: 1,
				time: 20000,
				errors: ["time"]
			}).catch(() => {
				return message.error("misc:TIMES_UP");
			});
			const position = message.channel.position;
			const newChannel = await message.channel.clone();
			await message.channel.delete();
			newChannel.setPosition(position);
			return newChannel.send(message.translate("moderation/clear:CHANNEL_CLEARED"));
		};

		let amount = args[0];
		if (!amount || isNaN(amount) || parseInt(amount) < 1) return message.error("moderation/clear:MISSING_AMOUNT");

		await message.delete();

		const user = message.mentions.users.first();

		let messages = await message.channel.messages.fetch({limit:100});
		messages = messages.array();
		if (user) messages = messages.filter((m) => m.author.id === user.id);
		if (messages.length > amount) messages.length = parseInt(amount, 10);

		messages = messages.filter((m) => !m.pinned);
		amount++;

		message.channel.bulkDelete(messages, true);

		let toDelete = null;

		if (user) {
			toDelete = await message.success("moderation/clear:CLEARED_MEMBER", { amount: --amount, username: user.tag });
		} else {
			toDelete = await message.success("moderation/clear:CLEARED", { amount: --amount });
		};

		setTimeout(function() {
			toDelete.delete();
		}, 2000);
	}
};

module.exports = Clear;

function getNoun(number, one, two, five) {
	let n = Math.abs(number);
	n %= 100;
	if (n >= 5 && n <= 20) return five;
	n %= 10;
	if (n === 1) return one;
	if (n >= 2 && n <= 4) return two;

	return five;
};