const Discord = require('discord.js');
const fs = require('fs');
require('dotenv/config');


const client = new Discord.Client();
client.commands = new Discord.Collection();

//import settings
let prefix;
const owner = process.env.OWNER;
const token = process.env.TOKEN;

//initialise database (firebase)
const firebase = require('firebase/app');
const FieldValue = require('firebase-admin').firestore.FieldValue;
const admin = require('firebase-admin');
const serviceAccount = require('./serviceAccount.json');

admin.initializeApp({
    credential: admin.credential.cert(serviceAccount)
})

let db = admin.firestore();


fs.readdir('./commands', (err,files) => {
    if (err) {
        console.log(err);
    }

    let cmdFiles = files.filter(f => f.split(".").pop() === "js");

    if (cmdFiles.length === 0){
        console.log("No files found");
        return;
    }
    cmdFiles.forEach((f,i) => {
        let props = require(`./commands/${f}`);
        console.log(`${i+1}: ${f} loaded`);
        client.commands.set(props.help.name, props);
    })
})




client.on('ready', async () => {
    console.log(`${client.user.username} is online! Prefix = ${prefix}`);
    client.user.setActivity('@Matti3939#0121', { type: 'LISTENING' });
  });


client.on('message',msg => {

    db.collection('guilds').doc(msg.guild.id).get().then((q) => {
        if (q.exist){
            prefix = q.data().prefix;
        }
    }).then(() => {

        if (msg.channel.type === "dm") return;
        if (msg.author.client) return;

        let msg_array = msg.content.split(" ");
        let command = msg_array[0];
        let args = msg_array.slice(1);

        if (!command.startsWith(prefix)) return;

        if (client.commands.get(command.slice(prefix.length))){
            let cmd = client.commands.get(command.slice(prefix.length));
                if (cmd){
                    cmd.run(client,msg,args,db);
                }
        }
    })
});


client.on('guildCreate', async gData => {
    db.collection('guilds').doc(gData.id).set({
        'guildID' : gData.id,
        'guildname' : gData.name,
        'guildOwner' : gData.owner.user.username,
        'guildOwnerID' : gData.owner.id,
        'guildMemberCount' : gData.memberCount,
        'prefix' : '<',
    });
});




client.login(token);