modmailMessage.js

module.exports = async (message, modmailClient, client) => {
	if (message.channel.type === "DM") { // user has started new modmail
		console.log('beans')
		if (message.author.bot) return;
		if (client.dmForwardBlacklist._content.includes(message.author.id)) return; // if user is blocked, ignore
		const modmailChannel = modmailClient.channels.cache.get(client.config.mainServer.channels.modmail);
		function summaryTimestamp() { // creates clock syntax for use in modmail summary
			return `[${client.format24hClock(Date.now(), true)}]`;
		}
		if (modmailClient.threads.has(message.author.id)) { // modmail thread is already active
			modmailChannel.send(`\`Case ID: ${modmailClient.threads.get(message.author.id).caseId}\` Additional information from ${message.author.toString()} (${message.author.tag}): ${message.content + '\n' + (message.attachments.first()?.url || '')}`); // inform mods of additional info
			modmailClient.threads.get(message.author.id).messages.push(`${summaryTimestamp()} R: ${message.content + (message.attachments.first()?.url ? '[Attachment]' : '')}`); // add recipients message to summary
			return;
		}
		// new modmail
		const caseId = (Date.now() + '').slice(0, -5); // case id is unix timestamp with accuracy of ~1 minute
		const unimportant = message.content.toLowerCase().startsWith('[unimportant]') || message.content.toLowerCase().startsWith('unimportant'); // bool, is modmail unimportant?
		message.channel.send(`ModMail received! :white_check_mark:\nWait for a reply. If you\'re reporting a user, send additional messages including the user ID of the user you\'re reporting, screenshots and message links. All messages will be forwarded to a moderator.\n\`Case ID: ${caseId}\``); // inform user that bot has received modmail
		modmailClient.threads.set(message.author.id, { messages: [], caseId, startTime: Date.now() }); // create thread
		modmailChannel.send(`${unimportant ? '' : client.config.mainServer.modmailPing.map(x => '<@&' + client.config.mainServer.roles[x] + '>').join(' ')}\n\`Case ID: ${caseId}\` New ModMail from ${message.author.toString()} (${message.author.tag}). A communication portal has been opened for ${unimportant ? '20' : '10'} minutes.\nModMail Content: ${message.content + '\n' + (message.attachments.first()?.url || '')}`); // inform mods of new modmail, show instructions
		modmailClient.threads.get(message.author.id).messages.push(`${summaryTimestamp()} R: ${message.content + (message.attachments.first()?.url ? '[Attachment]' : '')}`); // add recipients message to summary
		let collectorEndTimestamp = Date.now() + 10 * 60 * 1000; // modmail will end in 10 minutes
		if (unimportant) collectorEndTimestamp += 10 * 60 * 1000; // if unimportant, give mods 10 more minutes of time to reply
		let timeWarning = false; // bot has not warned of low time remaining
		const modReplyCollector = modmailChannel.createMessageCollector({}); // create message collector in modmail channel for moderators
		
		modReplyCollector.on('collect', async modReply => {
			if (modReply.content.startsWith('et')) {
				const args = modReply.content.split(' ');
				const replyCaseId = args[1];
				if (!replyCaseId === caseId) return; // replied to different convo than this
				collectorEndTimestamp = Date.now() + 10 * 60 * 1000;
				timeWarning = false;
				return modmailChannel.send('Extra time granted. The communication portal will close in 10 minutes.');
			} else if (modReply.content.startsWith('rpl')) {
				const args = modReply.content.split(' ');
				const replyCaseId = args[1];
				if (!replyCaseId === caseId) return; // replied to different convo than this
				const reply = args.slice(2).join(' ') + '\n' + (modReply.attachments.first()?.url || '');
				if (reply.trim().length === 0) return modReply.reply(`\`Case ID: ${caseId}\` Your reply needs to contain text or an attachment. Reply not forwarded.`);
				modmailClient.threads.get(message.author.id).messages.push(`${summaryTimestamp()} M (${modReply.author.username}): ${args.slice(2).join(' ') + (modReply.attachments.first()?.url ? '[Attachment]' : '')}`); // R = recipient, M = moderator
				message.channel.send(`:warning: Reply from ${modReply.member.roles.highest.name} ${modReply.author.tag}: ${reply}`);
				return modmailChannel.send(`\`Case ID: ${caseId}\` Reply forwarded.`);
			} else if (modReply.content.startsWith('end')) {
				const args = modReply.content.split(' ');
				const replyCaseId = args[1];
				if (!replyCaseId === caseId) return; // replied to different convo than this
				const reason = args.slice(2).join(' ');
				message.channel.send(`:x: ${modReply.member.roles.highest.name} ${modReply.author.tag} has ended this ModMail session with${reason ? ` reason: ${reason}` : 'out a reason.'}`);
				await modmailChannel.send(`\`Case ID: ${caseId}\` ModMail session has been closed${reason ? '' : ' without a reason'}.`);
				modmailClient.threads.get(message.author.id).messages.push(`${summaryTimestamp()} M (${modReply.author.username}) Ended session. Reason: ${reason}`); // R = recipient, M = moderator
				return modReplyCollector.stop();
			}
		});
		
		const interval = setInterval(() => {
			if (Date.now() > collectorEndTimestamp) {
				modReplyCollector.stop();
				modmailChannel.send(`\`Case ID: ${caseId}\` ModMail session has closed. Moderator, please contact Recipient personally.`);
			} else if (Date.now() + 60 * 1000 > collectorEndTimestamp && !timeWarning) {
				modmailChannel.send(`\`Case ID: ${caseId}\` Portal closing in 1 minute.`);
				timeWarning = true;
			}
		}, 5000);
		
		modReplyCollector.on('end', () => {
			clearInterval(interval);
			// send embed in modmail channel compiling everything together
			const embed = new client.embed()
				.setTitle('ModMail Summary')
				.setDescription(`\`Case ID: ${caseId}\`\nR: Recipient: ${message.author.toString()} (${message.author.tag}), M: Moderator - Time Elapsed: ${client.formatTime(Date.now() - modmailClient.threads.get(message.author.id).startTime, 2)} - Times are in UTC\n\`\`\`\n${modmailClient.threads.get(message.author.id).messages.join('\n')}\n\`\`\``)
				.setFooter('Starting Time')
				.setTimestamp(modmailClient.threads.get(message.author.id).startTime)
				.setColor(client.embedColor)
			modmailChannel.send({embeds: [embed]});
			// remove from threads collection
			if (!modmailClient.threads.get(message.author.id).messages.some(x => x.includes('] M ('))) {
				message.channel.send(':x: The ModMail session ended automatically with no response from a moderator. Usually this means that there are no moderators online. Please wait patiently. The moderators will contact you when they come online.');
			}
			modmailClient.threads.delete(message.author.id);
		});
		
	} else if (message.mentions.members.has(modmailClient.user.id)) {
		const embed = new client.embed()
			.setTitle('ModMail Instructions')
			.addField(':small_blue_diamond: What?', 'ModMail is a bot that makes it easy to contact a server moderator.', true)
			.addField(':small_blue_diamond: Why?', 'ModMail should be used when you want to report a rule breaker on this Discord server.', true)
			.addField(':small_blue_diamond: How?', 'Send me a Direct Message on Discord. Moderators will then solve your problem.', true)
			.addField(':small_blue_diamond: Don\'ts', 'Do not spam ModMail.\nDo not use ModMail unnecessarily.', true)
			.addField(':small_blue_diamond: Small Things', 'If your concern is not urgent, start your ModMail message with "[Unimportant]". This way the moderators know that they don\'t need to rush.', true)
			.setColor(client.embedColor)
		message.channel.send({embeds: [embed]});
	}
};