// Calling Packages
const Discord = require('discord.js');
const bot = new Discord.Client();
const fs = require('fs');
const db = require('quick.db');

// We can call the file with all the functions here.
const func = require('./functions.js'); // If this returns an error for you (or you might be on ubuntu/linux), try '../functions.js'
// You can also change the name of func to something else like tools.

// We can call the JSON file here
const commands = JSON.parse(fs.readFileSync('Storage/commands.json', 'utf8'));
// We need to call the serverPrefixes JSON file
const serverPrefixes = JSON.parse(fs.readFileSync('Storage/serverPrefixes.json', 'utf8'))

// Global Settings
const prefix = '~'; // This is the prefix, you can change it to whatever you want.

// Listener Event: Runs whenever a message is received.
bot.on('message', message => {

    // Variables - Variables make it easy to call things, since it requires less typing.
    let msg = message.content.toUpperCase(); // This variable takes the message, and turns it all into uppercase so it isn't case sensitive.
    let sender = message.author; // This variable takes the message, and finds who the author is.
    let args = message.content.slice(prefix.length).trim().split(" "); // This variable slices off the prefix, then puts the rest in an array based off the spaces
    let cmd = args.shift().toLowerCase(); // This takes away the first object in the cont array, then puts it in this.

    // Message Leveling System - Make sure you require quick.db
    db.updateValue(message.author.id + message.guild.id, 1).then(i => { // You pass it the key, which is authorID + guildID, then pass it an increase which is 1 in this instance.
        // It also returns the new updated object, which is what we will use.

        let messages; // Create an empty variable - These IF statements will run if the new amount of messages sent is the same as the number.
        if (i.value == 25) messages = 25; // Level 1
        else if (i.value == 50) messages = 50; // Level 2
        else if (i.value == 100) messages = 100; // Level 3 - You can set these to any number, and any amount of them.

        if (!isNaN(messages)) { // If messages IS STILL empty, run this.
            db.updateValue(`userLevel_${message.author.id + message.guild.id}`, 1).then(o => { // This returns the updated object of userLevel_ID.
                message.channel.send(`You sent ${messages} messages, so you leveled up! You are now level ${o.value}`) // Send their updated level to the channel.
            })
        }

    })

    // We also need to make sure it doesn't respond to bots
    if (sender.bot) return;
    if (!message.content.startsWith(prefix)) return; // We also want to make it so that if the message does not start with the prefix, return.

    // Command Handler - .trim() removes the blank spaces on both sides of the string
    try {
        let commandFile = require(`./commands/${cmd}.js`); // This will assign that filename to commandFile
        commandFile.run(bot, message, args, func); // This will add the functions, from the functions.js file into each commandFile.
    } catch (e) { // If an error occurs, this will run.
        console.log(e.message); // This logs the error message
    } finally { // This will run after the first two clear up
        console.log(`${message.author.username} ran the command: ${cmd}`);
    }

});

// Listener Event: Runs whenever the bot sends a ready event (when it first starts for example)
bot.on('ready', () => {

    // We can post into the console that the bot launched.
    console.log('Bot started.');

});

bot.login('<token>');