index.js

//this shit

const Discord = require('discord.js');
const bot = new Discord.Client();
const fs = require("fs");
var config = require("./config/config.json");

//startup

bot.on('ready', () => {
	console.log('Bot is up and running!');
	bot.user.setGame(config.prefix + "help");
});

/*all commands:
help
info
ping
prefixcheck
prefixset
purge - idk if working
warn - idk if working
kick - idk if working
ban - idk if working
userinfo UNFINISHED*/

//beginning

bot.on("message", (message) => {
	if(message.author.bot) return;

//help command (dm)

	if(message.content.startsWith(config.prefix + "help")) {
		message.channel.send("I've DMed you the help page!");
		message.author.send("```dsconfig\nHow To Read```\n`<>` = you **must** add this argument\n`[]` = this argument is **optional**\n`|` = do this **or** this (`a|b = a or b`)\n\n```dsconfig\nCommands```\n**Ping:**\nShows the current ping\n`" + config.prefix + "ping`\n\n**Prefix Check:**\nShows the command prefix in case you forget\n`@DotBot#2919 prefixcheck`\n\n**Info:**\nShows the bot info\n`" + config.prefix + "info`\n\n**Prefix Set:**\nSets a new prefix. Must be Bot Owner\n`" + config.prefix + "prefixset <new prefix>`\n\n**Purge:**\nBulk deletes messages. Can be used with or without a mention. Must have 'mod' role\n`" + config.prefix + "purge <amount> [user]`\n\n**Warn:**\nWarn a member about their actions. Must have 'staff' role\n`" + config.prefix + "warn <user> <reason>`\n\n**Kick:**\nKicks a user. Must have 'mod' role\n`" + config.prefix + "kick <user> [reason]`\n\n**Ban:**\nBans a member. Must have 'admin' role\n`" + config.prefix + "ban <user> [reason]`\n\n**Please note that 'PrefixCheck' doesn't work with the command prefix- that would defeat the point**");
		console.log("'Help' has been executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + ")");
			//make sure to edit this when you add a new command
	}

//info command

	if(message.content.startsWith(config.prefix + "info")) {
		let embed = new Discord.RichEmbed()
		.setAuthor("Bot Info")
		.setDescription("DotBot is a moderation bot created specifically for the SAGA Sandwiches server! It uses the [Javascript](https://www.javascript.com/) scripting language using the [Discord.js](https://discord.js.org/#/) library")
		.setFooter("DotBot", "https://cdn.discordapp.com/attachments/387700865642790914/388780092437823498/invert_circle.png")
		.addField("Guilds", bot.guilds.size, true)
		.addField("Owner", "kaoala#7577", true)
		.addField("Support Server", "[DotBot Testing Server](https://discord.gg/qN5zj9F)", true)
		.addField("Invite", "[Invite link](https://discordapp.com/api/oauth2/authorize?client_id=387590403114926080&permissions=8&scope=bot)", true)
		.setTimestamp()
		.setColor(0x0f7fa6)
		.setThumbnail("https://cdn.discordapp.com/attachments/387700865642790914/388780092437823498/invert_circle.png");

		message.channel.send({embed});

		console.log("'Info' has been executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + ")");
	}

//ping command

	if(message.content.startsWith(config.prefix + "ping")) {
		message.channel.send("Pong! Your ping is `").then(rsp => {
			rsp.edit("Pong! Your ping is `" + (rsp.createdTimestamp - message.createdTimestamp) + " ms`");
			console.log("'Ping' has been executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + ")");
		});
	}

//prefix check command

	if(message.content.startsWith(config.prefixMention + "prefixcheck")) {
		message.channel.send("The prefix is `" + (config.prefix) + "`. If you have the correct permissions and you would like to change it, do `" + config.prefix + "prefixset <new prefix>`");
		console.log("'Prefixcheck' has been executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + ")");
	}

		//ROLE ONLY NOW

//prefix set command, courtesy of Adelyn

	if(message.content.startsWith(config.prefix + "prefixset")) {
		if(message.author.id !== config.ownerID) {
			return message.channel.send("You don't have the permissions to do that"),
			console.log("'PrefixSet' was executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + ") but failed to complete");
		}
		config.prefix = message.content.split(" ").slice(1, 2)[0];
		fs.writeFile("./config/config.json", JSON.stringify(config), (err) => console.error);
			message.channel.send("Prefix set to `" + (config.prefix) + "`");
			console.log("'PrefixSet' was executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + ")");
	}

//purge command

	if(message.content.startsWith(config.prefix + "purge")) {

		let user = message.mentions.users.first();
		let amount = !!parseInt(message.content.split(' ')[1]) ? parseInt(message.content.split(' ')[1]) : parseInt(message.content.split(' ')[2]);
		console.log(amount)
		let log = message.guild.channels.find("name", "logs");
		let modRole = message.guild.roles.find("name", "mod");
		if(modRole && !message.member.roles.has(modRole.id)) {
			message.channel.send("You don't have the permissions to do that")
			console.log("'Purge' was executed in the guild " + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + ") but failed to complete");
			return;
		}

		if (isNaN(amount)) return message.channel.send('Must specify an amount to delete!');
		if (!amount && !user) return;
		message.channel.fetchMessages({
			limit: amount + 1,
		}).then((messages) => {
			if (user) {
				let filterBy = user ? user.id : bot.user.id;
				messages = messages.filter(m => m.author.id === filterBy).array().slice(0, amount);
			}
			message.channel.bulkDelete(messages).catch(error => message.channel.send(error.stack));
			console.log("'Purge' has been executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + "). They have deleted " + amount + " messages");
			if (log) log.send('**' + amount + ' messages** have been deleted in <#' + message.channel.id + '>');
		}).catch(console.error);
	}

	//warn command

	if(message.content.startsWith(config.prefix + "warn")) {

		let user = message.mentions.users.first();
		let args = message.content.slice(config.prefix.length).trim().split(/\s+/g);
		let reason = args.slice(2).join(" ");
		let staffRole = message.guild.roles.find("name", "staff");
		if(staffRole && !message.member.roles.has(staffRole.id)) {
			message.channel.send("You don't have the permissions to do that")
			console.log("'Warn' was executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + ") but failed to complete");
			return;
		}

		if(message.mentions.users.size < 1) return message.channel.send("You must mention a user to warn");

		user.send("Warning: **" + reason + "**. Do not do this again");
		console.log("'Warn' has been executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + "). They warned " + user + " the following: " + reason);
	}

	//kick command

	if(message.content.startsWith(config.prefix + "kick")) {
		let args = message.content.slice(config.prefix.length).trim().split(/\s+/g);
		let user = message.mentions.members.first();
		let reason = args.slice(2).join(" ");
		let log = message.guild.channels.find("name", "logs");
		let modRole = message.guild.roles.find("name", "mod");
		if(modRole && !message.member.roles.has(modRole.id)) {
			message.channel.send("You don't have the permissions to do that")
			console.log("'Kick' was executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + ") but failed to complete");
			return;
		}

		if(message.mentions.users.size < 1) return message.channel.send("You must mention a user to kick");
		if(!message.guild.member(user).kickable) return message.channel.send("I can't kick someone that has a role higher than me");
		message.guild.member(user).kick(reason);
		if (log) log.send(user + ' has been kicked from the server for **' + reason + '**');
		console.log("'Kick' has been executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + "). They kicked " + user + " for the following: " + reason);
	  }

	  //ban command

	  if(message.content.startsWith(config.prefix + "ban")) {

		let args = message.content.slice(config.prefix.length).trim().split(/\s+/g);
		let user = message.mentions.members.first()
		let reason = args.slice(2).join(" ");
		let log = message.guild.channels.find("name", "logs");
		let adminRole = message.guild.roles.find("name", "admin");
		if(adminRole && !message.member.roles.has(adminRole.id)) {
			message.channel.send("You don't have the permissions to do that")
			console.log("'Ban' was executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + ") but failed to complete");
			return;
		}

		if(message.mentions.users.size < 1) return message.channel.send("You must mention a user to ban");
		if(!message.guild.member(user).bannable) return message.channel.send("I can't ban someone that has a role higher than me");
		message.guild.member(user).ban(reason);
		if (log) log.send(user + ' has been banned from the server for **' + reason + '**');
		console.log("'Ban' has been executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + "). They banned " + user + " for the following: " + reason);
	  }

	  //userinfo command - unfinished (verified + joinedAt)

	  if(message.content.startsWith(config.prefix + "userinfo") || message.content.startsWith(config.prefix + "ui")) {

		let usera = message.mentions.users.first();
		if(!usera) return message.channel.send("Must specify user");
		let verifiedRole = message.mentions.roles.find(val => val.name === 'verified');
		let value = verifiedRole ? "true" : "false";
		let gameName = usera.presence.game ? usera.presence.game.name : "None";

		let embed = new Discord.RichEmbed()
		.setAuthor(usera.tag, usera.avatarURL)
		.addField("ID", usera.id, true)
		.addField("Username", usera.username, true)
		.addField("Status", usera.presence.status, true)
		.addField("Game", gameName, true)
		.addField("Joined Server", message.mentions.users.joinedAt, true) //undefined
		.addField("Created", usera.createdAt, true)
		.addField("Bot", usera.bot, true)
		.addField("Verified", value, true) //always false
		.setTimestamp()
		.setColor(0x0f7fa6)
		.setThumbnail(usera.avatarURL);
		message.channel.send({embed});

		console.log("'UI' has been executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + ")");
	}

	//server info (idek why i kept this here)

	if(message.content.startsWith(config.prefix + "serverinfo") || message.content.startsWith(config.prefix + "si")) {

		let memberCount = message.guild.members.size;
		let bots = 0, humans = 0;
		message.guild.members.forEach(function(mem) {
			if (mem.user.bot) {
				bots += 1;
			} else {
				humans += 1;
			}
		});

		let verifiedRole = message.guild.roles.find("name", "verified") ? message.guild.roles.find("name", "verified").size : 0;
		let channels = message.guild.channels.size;
		let textCh = 0, voiceCh = 0, categories = 0;
		message.guild.channels.forEach(function(chan) {
			if (chan.type === "text") {
				textCh += 1;
			} else if (chan.type === "voice") {
				voiceCh += 1;
			}
		});

		let embed = new Discord.RichEmbed()
		.setAuthor(message.guild.name, message.guild.iconURL)
		.setThumbnail(message.guild.iconURL)
		.setTimestamp()
		.setColor(0x0f7fa6)
		.addField("ID", message.guild.id, true)
		.addField("Name", message.guild.name, true)
		.addField("Owner", message.guild.owner.tag, true)
		.addField("Region", message.guild.region, true)
		.addField("Created", message.guild.createdAt, true)
		.addField("Channels (" + channels + ")", "**Text:** " + textCh + "\n**Voice:** " + voiceCh, true)
		.addField("Members (" + memberCount + ")", "**Human:** " + humans + "\n**Bot:** " + bots + "\n**Verified:** " + verifiedRole, true);
		message.channel.send({embed});

		console.log("'SI' has been executed in the guild '" + message.guild.name + "' by " + message.author.tag + " (" + message.author.id + ")");
	}
});

//Outputs that don't have message triggers

//welcome message + log message
bot.on('guildMemberAdd', member => {
	let general = member.guild.channels.find("name", "private");
    let embed = new Discord.RichEmbed()
    .setTitle("Welcome to " + member.guild.name + "!")
    .setThumbnail(member.user.displayAvatarURL)
    .setTimestamp()
    .setFooter(member.id, member.guild.iconURL)
    .setColor(0x0f7fa6)
    .setDescription("Hello, <@" + member.id + ">! Please read through " + member.guild.channels.find("name", "welcome-rules") + " and inform a staff member (by using the !staff command) of your sexuality, gender and pronouns for further instruction!");
    if(general) general.send({embed});

    let log = member.guild.channels.find("name", "pirvate");
    let embed2 = new Discord.RichEmbed()
    .setTitle(member.username + " joined")
    .setThumbnail(member.user.displayAvatarURL)
    .setTimestamp()
    .setFooter(member.id, member.guild.iconURL)
    .setColor(0x4cbb17)
    .setDescription("<@" + member.id + "> has joined the guild. Go welcome them!");
    if(log) log.send({embed2});

	console.log(member.user.tag + " (" + member.user.id + ") joined " + member.guild.name);
});

//goodbye message + log message
bot.on('guildMemberRemove', member => {
	let general = member.guild.channels.find("name", "general");
	let welcome = member.guild.channels.find("name", "welcome");
	let verifiedRole = member.guild.roles.find("name", "verified");
	let log = member.guild.channels.find("name", "logs")

	if(verifiedRole && member.roles.has(verifiedRole.id)) {
		if(general) general.send('Goodbye, **' + member.user.tag + '**. Thank you for being here on the server!');
		if (log) log.send('**' + member.user.tag + '** (' + member.user.id + ') has left the guild');
		return;
	}
	if(verifiedRole && !member.roles.has(verifiedRole.id)) {
		if(welcome) welcome.send('Goodbye, **' + member.user.tag + '**. Thank you for being here on the server!');
		if(log) log.send('**' + member.user.tag + '** (' + member.user.id + ') has left the guild');
		return;
	}

	console.log(member.user.tag + " (" + member.user.id + ") left " + member.guild.name);
});

//log message when bot is added to a new guild
bot.on('guildCreate', guild => {
	let logChannel = bot.channels.get(config.logInTestGuild);
	if (logChannel) logChannel.send("**DotBot** has been added to the guild **" + guild.name + "**");
	console.log('DotBot has been added to the guild ' + guild.name);
});

//log message when bot is removed from a guild
bot.on('guildDelete', guild => {
	let logChannel = bot.channels.get(config.logInTestGuild);
	if (logChannel) logChannel.send("**DotBot** has been removed from the guild **" + guild.name + "**");
	console.log('DotBot has been removed from the guild ' + guild.name);
});

bot.login(config.token);