const Discord = require('discord.js');

const client = new Discord.Client();

const prefix = "!";

client.on("ready", () => {
  console.log(`Bot has started, with ${client.users.size} users, in ${client.channels.size} channels.`);
});


client.on("message", async message => {

  console.log(`${message.content}, -${message.author.username}`);

  //Don't do anything if the message is sent by a bot
  if(message.author.bot) return;


  /* Global messages */
  if (message.content.toLowerCase().includes('hello bot')) {
    message.channel.send(`Hekke ${message.author}`);
  }


  /* Commands */
  if(message.content.indexOf(prefix) !== 0) return;

  const arguments = message.content.slice(prefix.length).trim().split(/ +/g);
  const command = arguments.shift().toLowerCase();

  console.log('arguments:', arguments);
  console.log('command:', command);

  if(command === "ping") {
    const m = await message.channel.send("Ping?");
    m.edit(`Pong! Latency is ${m.createdTimestamp - message.createdTimestamp}ms. API Latency is ${Math.round(client.ping)}ms`);
  }

  if(command === "say") {
    const sayMessage = arguments.join(" ");
    message.delete().catch(O_o=>{});
    message.channel.send(sayMessage);
  }
});


client.login("ADD_YOUR_BOT_TOKEN_HERE");