const fs = require('fs');

const Discord = require('discord.js');
const client = new Discord.Client({
    intents: [
        Discord.Intents.FLAGS.GUILDS,
        Discord.Intents.FLAGS.GUILD_MESSAGE_REACTIONS
    ]
});

const config = require('./config.json');
client.config = config;

// Load quickmongo
const { Database } = require('quickmongo');
const db = new Database(`${config.mongo_url}`);

// check the DB when it's ready
db.once('ready', async () => {
    if (!Array.isArray(await db.get('giveaways')) === null) await db.set('giveaways', []);
    // start the manager only if the db got checked to prevent an error
    client.giveawaysManager._init();
    console.log('SUCCESS!');
});

// Init discord giveaways
const { GiveawaysManager } = require('discord-giveaways');
class GiveawayManagerWithOwnDatabase extends GiveawaysManager {
    // This funtion is called when the manager need to get all the giveaways stored in the database
    async getAllGiveaways() {
        return await db.get('giveaways');
    }
    
    // This function is called when a giveaway needs to be saved in the database (when a giveaway is created or when a giveaway is edited).
    async saveGiveaway(messageID, giveawayData) {
        // Add the nw one
        await db.push('giveaways', giveawayData);
        // Can't forget to return something.
        return true;
    }

    async editGiveaway(messageID, giveawayData) {
        // Gets all the current giveaways
        const giveaways = await db.get('giveaways');
        // Remove the old giveaway from the current giveaways ID
        const newGiveawaysArray = giveaways.filter((giveaway) => giveaway.messageID !== messageID);
        // Push the new giveaway to the array
        newGiveawaysArray.push(giveawayData);
        // Save the updated array
        await db.set('giveaways', newGiveawaysArray);
        // Can't forget to return something.
        return true;
    }

    async deleteGiveaway(messageID) {
        // Gets all the current giveaways
        const data = await db.get('giveaways');
        // Remove the giveaway from the array
        const newGiveawaysArray = data.filter((giveaway) => giveaway.messageID !== messageID);
        // Save the updated array
        await db.set('giveaways', newGiveawaysArray);
        // Can't forget to return something.
        return true;
    }
}

// Create a new instance of your new class
const manager = new GiveawayManagerWithOwnDatabase(client, {
    updateCountdownEvery: 10000,
    default: {
        botsCanWin: false,
        embedColor: "#FF0000",
        embedColorEnd: '#000000',
        reaction: "🎉"
    }
}, false)

client.giveawaysManager = manager;

/* Load all events */
fs.readdir("./events/", (_err, files) => {
    files.forEach((file) => {
        if (!file.endsWith(".js")) return;
        const event = require(`./events/${file}`);
        let eventName = file.split(".")[0];
        console.log(`👌 Event loaded: ${eventName}`);
        client.on(eventName, event.bind(null, client));
        delete require.cache[require.resolve(`./events/${file}`)];
    });
});

client.commands = new Discord.Collection();

/* Load all commands */
fs.readdir("./commands", (_err, files) => {
    files.forEach((file) => {
        if (!file.endsWith(".js")) return;
        let props = require(`./commands/${file}`);
        let commandName = file.split(".")[0];
        client.commands.set(commandName, props);
        console.log(`👌 Command loaded: ${commandName}`);
    });
});

// Login
client.login(config.token);