bot.js

const Discord = require('discord.js')
const client = new Discord.Client()

client.on('ready', () => {
    console.log("Connected as " + client.user.tag)

    client.user.setActivity(" Fucking my own life")

    client.guilds.cache.forEach((guild) => {
        console.log(" - " + guild.name)
        guild.channels.cache.forEach((channel) => {
           console.log(` -- ${channel.name} (${channel.type}) - ${channel.id}`)
        })
        // General : 827774188638175256

    })
    let generalChannel = client.channels.cache.get("827774188638175256") 
    const attachment = new Discord.MessageAttachment("https://cdn.searchenginejournal.com/wp-content/uploads/2019/12/how-to-execute-a-link-conversion-strategy-5df792498b991-760x400.png ")
    generalChannel.send(attachment)
    generalChannel.send("Aur Lamdo!!")
    

})
client.on('message', (receivedMessage) => {
    // Prevent bot from responding to its own messages
    if (receivedMessage.author == client.user) {
        return
    }

    //receivedMessage.channel.send("Message received from " + receivedMessage.author.toString() + ": " + receivedMessage.content)

    //receivedMessage.react("🖕")
    if (receivedMessage.content.startsWith("!")) {
        processCommand(receivedMessage)
    }
})

function processCommand(receivedMessage) {
    let fullCommand = receivedMessage.content.substr(1) // Remove the leading exclamation mark
    let splitCommand = fullCommand.split(" ") // Split the message up in to pieces for each space
    let primaryCommand = splitCommand[0] // The first word directly after the exclamation is the command
    let arguments = splitCommand.slice(1) // All other words are arguments/parameters/options for the command

    console.log("Command received: " + primaryCommand)
    console.log("Arguments: " + arguments) // There may not be any arguments

    if (primaryCommand == "help") {
        helpCommand(arguments, receivedMessage)
    } else if (primaryCommand == "multiply") {
        multiplyCommand(arguments, receivedMessage)}
    else if (primaryCommand == "ping") {
            pingCommand(arguments, receivedMessage)
    } 
    
    
    else {
        receivedMessage.channel.send("I don't understand the command. Try `!help` or `!multiply`")
    }
}

function helpCommand(arguments, receivedMessage) {
    if (arguments.length > 0) {
        receivedMessage.channel.send("It looks like you might need help with " + arguments)
    } else {
        receivedMessage.channel.send("I'm not sure what you need help with. Try `!help [topic]`")
    }
}

function multiplyCommand(arguments, receivedMessage) {
    if (arguments.length < 2) {
        receivedMessage.channel.send("Not enough values to multiply. Try `!multiply 2 4 10` or `!multiply 5.2 7`")
        return
    }
    let product = 1 
    arguments.forEach((value) => {
        product = product * parseFloat(value)
    })
    receivedMessage.channel.send("The product of " + arguments + " multiplied together is: " + product.toString())
}

function pingCommand(arguments, receivedMessage) {
    receivedMessage.channel.send("!pong")
}




// Get your bot's secret token from:
// https://discordapp.com/developers/applications/
// Click on your application -> Bot -> Token -> "Click to Reveal Token"
bot_secret_token = "ODI3NzczNzY0NTk4NDk3MzIx.YGf6ZA.0_BG9GFQto4aNwg1idPkHHVMwGY"

client.login(bot_secret_token)