const Command = require('../../structures/Command');
const { MessageEmbed } = require('discord.js');
const { stripIndents } = require('common-tags');
const { filterTopics, parseTopic } = require('../../structures/Util');

module.exports = class WarnCommand extends Command {
	constructor(client) {
		super(client, {
			name: 'warn',
			aliases: ['warnne'],
			group: 'moderation',
			memberName: 'warn',
			description: 'Warns a user and logs the warn to the mod logs.',
			guildOnly: true,
			userPermissions: ['KICK_MEMBERS'],
			args: [
				{
					key: 'member',
					prompt: 'What member do you want to warn?',
					type: 'member'
				},
				{
					key: 'reason',
					prompt: 'What do you want to set the reason as?',
					type: 'string',
					validate: reason => {
						if (reason.length < 140) return true;
						return 'Invalid Reason. Reason must be under 140 characters.';
					}
				}
			]
		});
	}

	async run(msg, args) {
		const modlogs = filterTopics(msg.guild.channels, 'modlog').first();
		const { member, reason } = args;
		if (member.id === msg.author.id) return msg.say('I don\'t think you want to warn yourself...');
		if (!member.kickable) return msg.say('This member is not warnable. Perhaps they have a higher role than me?');
		if (member.highestRole.calculatedPosition > msg.member.highestRole.calculatedPosition - 1) {
			return msg.say('Your roles are too low to warn this member.');
		}
		await msg.say(`Are you sure you want to warn ${member.user.tag} (${member.id})?`);
		const msgs = await msg.channel.awaitMessages(res => res.author.id === msg.author.id, {
			max: 1,
			time: 30000
		});
		if (!msgs.size || !['y', 'yes'].includes(msgs.first().content.toLowerCase())) return msg.say('Aborting.');
		try {
			const message = parseTopic(modlogs.topic, 'modmessage')
				.replace(/{{action}}/gi, 'warned')
				.replace(/{{moderator}}/gi, msg.author.tag)
				.replace(/{{server}}/gi, msg.guild.name);
			await member.send(stripIndents`
				${message || `You were warned in ${msg.guild.name} by ${msg.author.tag}!`}
				**Reason:** ${reason}
			`);
		} catch (err) {
			await msg.say('Failed to Send DM.');
		}
		await msg.say(`Successfully warned ${member.user.tag}.`);
		if (!modlogs) {
			return msg.say('Could not log the warn to the mod logs.');
		} else if (modlogs.permissionsFor(this.client.user).has('EMBED_LINKS')) {
			const embed = new MessageEmbed()
				.setAuthor(msg.author.tag, msg.author.displayAvatarURL())
				.setColor(0xFFFF00)
				.setTimestamp()
				.setDescription(stripIndents`
					**Member:** ${member.user.tag} (${member.id})
					**Action:** Warn
					**Reason:** ${reason}
				`);
			return modlogs.send({ embed });
		} else {
			return modlogs.send(stripIndents`
				**Member:** ${member.user.tag} (${member.id})
				**Action:** Warn
				**Reason:** ${reason}
				**Moderator:** ${msg.author.tag}
			`);
		}
	}
};