/**
 * 
 *  @name DiscordTickets
 *  @author eartharoid <contact@eartharoid.me>
 *  @license GNU-GPLv3
 * 
 */

const ChildLogger = require('leekslazylogger').ChildLogger;
const log = new ChildLogger();
const { MessageEmbed } = require('discord.js');
const config = require('../../user/config');
const fs = require('fs');

module.exports = {
	name: 'close',
	description: 'Close a ticket; either a specified (mentioned) channel, or the channel the command is used in.',
	usage: '[ticket]',
	aliases: ['none'],
	example: 'close #ticket-17',
	args: false,
	async execute(client, message, args, Ticket) {

		const guild = client.guilds.cache.get(config.guild);
		
		const notTicket = new MessageEmbed()
			.setColor(config.err_colour)
			.setAuthor(message.author.username, message.author.displayAvatarURL())
			.setTitle(':x: **This isn\'t a ticket channel**')
			.setDescription('Use this command in the ticket channel you want to close, or mention the channel.')
			.addField('Usage', `\`${config.prefix}${this.name} ${this.usage}\`\n`)
			.addField('Help', `Type \`${config.prefix}help ${this.name}\` for more information`)
			.setFooter(guild.name, guild.iconURL());
		
		let ticket;
		let channel = message.mentions.channels.first();
		// || client.channels.resolve(await Ticket.findOne({ where: { id: args[0] } }).channel) // channels.fetch()

		if(!channel) {
			channel = message.channel;

			ticket = await Ticket.findOne({ where: { channel: channel.id } });
			if(!ticket) 
				return channel.send(notTicket);

		} else {

			ticket = await Ticket.findOne({ where: { channel: channel.id } });
			if(!ticket) {
				notTicket
					.setTitle(':x: **Channel is not a ticket**')
					.setDescription(`${channel} is not a ticket channel.`);
				return channel.send(notTicket);
			}

			if(message.author.id !== ticket.get('creator') && !message.member.roles.cache.has(config.staff_role))
				return channel.send(
					new MessageEmbed()
						.setColor(config.err_colour)
						.setAuthor(message.author.username, message.author.displayAvatarURL())
						.setTitle(':x: **No permission**')
						.setDescription(`You don't have permission to close ${channel} as it does not belong to you and you are not staff.`)
						.addField('Usage', `\`${config.prefix}${this.name} ${this.usage}\`\n`)
						.addField('Help', `Type \`${config.prefix}help ${this.name}\` for more information`)
						.setFooter(guild.name, guild.iconURL())
				);
		}

		let success;
		let pre = fs.existsSync(`user/transcripts/text/${channel.id}.txt`)
			|| fs.existsSync(`user/transcripts/raw/${channel.id}.log`) ?
			`You will be able to view an archived version later with \`${config.prefix}transcript ${ticket.get('id')}\``
			: '';

		let confirm = await message.channel.send(
			new MessageEmbed()
				.setColor(config.colour)
				.setAuthor(message.author.username, message.author.displayAvatarURL())
				.setTitle(':grey_question: Are you sure?')
				.setDescription(`${pre}\n**React with :white_check_mark: to confirm.**`)
				.setFooter(guild.name + ' | Expires in 15 seconds', guild.iconURL())
		);

		await confirm.react('✅');
	
		const collector = confirm.createReactionCollector(
			(r, u) => r.emoji.name === '✅' && u.id === message.author.id,
			{ time: 15000 });
	
		collector.on('collect', () => {
			if (channel.id !== message.channel.id)
				channel.send(
					new MessageEmbed()
						.setColor(config.colour)
						.setAuthor(message.author.username, message.author.displayAvatarURL())
						.setTitle('**Ticket closed**')
						.setDescription(`Ticket closed by ${message.author}`)
						.setFooter(guild.name, guild.iconURL())
				);

			confirm.reactions.removeAll();
			confirm.edit(
				new MessageEmbed()
					.setColor(config.colour)
					.setAuthor(message.author.username, message.author.displayAvatarURL())
					.setTitle(`:white_check_mark: **Ticket ${ticket.id} closed**`)
					.setDescription('The channel will be automatically deleted in a few seconds, once the contents have been archived.')
					.setFooter(guild.name, guild.iconURL())
			);

			success = true;
			ticket.update({ open: false}, { where: { channel: channel.id } });
			setTimeout(() => {
				channel.delete();
				if (channel.id !== message.channel.id) 
					message.delete()
						.then(() => confirm.delete());
			}, 15000);

			log.info(`${message.author.tag} closed a ticket (#ticket-${ticket.get('id')})`);
		
			if (config.logs.discord.enabled)
				client.channels.cache.get(config.logs.discord.channel).send(
					new MessageEmbed()
						.setColor(config.colour)
						.setAuthor(message.author.username, message.author.displayAvatarURL())
						.setTitle('Ticket closed')
						.addField('Creator', `<@${ticket.get('creator')}>` , true)
						.addField('Closed by', message.author, true)
						.setFooter(guild.name, guild.iconURL())
						.setTimestamp()
				);
		});
	
	
		collector.on('end', () => {
			if(!success) {
				confirm.reactions.removeAll();
				confirm.edit(
					new MessageEmbed()
						.setColor(config.err_colour)
						.setAuthor(message.author.username, message.author.displayAvatarURL())
						.setTitle(':x: **Expired**')
						.setDescription('You took to long to react; confirmation failed.')
						.setFooter(guild.name, guild.iconURL()));
					
				message.delete({ timeout: 10000 })
					.then(() => confirm.delete());
			}	
		});
		
	}
};