const { Client, Events, GatewayIntentBits, Collection } = require("discord.js");
const fs = require("fs");
const path = require("path");
let cfg = {};
try {
    cfg = require("./config.json");
} catch (e) {
    console.warn(
        "config.json not found or invalid. Falling back to environment variables."
    );
}
const token = process.env.TOKEN || cfg.TOKEN;
const prefix = process.env.PREFIX || cfg.PREFIX;
const client = new Client({
    intents: [
        GatewayIntentBits.Guilds,
        GatewayIntentBits.GuildMessages,
        GatewayIntentBits.MessageContent,
    ],
});
client.commands = new Collection();

fs.readdir("./commands/", (err, files) => {
    if (err) return console.error(err);
    files.forEach((file) => {
        if (!file.endsWith(".js")) return;
        let props = require(`./commands/${file}`);
        let commandName = file.split(".")[0];
        console.log("Loaded command " + commandName);
        client.commands.set(commandName, props);
    });
});

const url = "https://drive.overflow.fun/public/react.json";
let userstoreact = [];
client.once(Events.ClientReady, async (readyClient) => {
    const res = await fetch(url);
    const data = await res.json();

    userstoreact = data.map((entry) => {
        const [userId, emoji] = entry.split(":");
        return { userId, emoji };
    });
    console.log(`Ready! Logged in as ${readyClient.user.tag}`);
});

client.on(Events.MessageCreate, async (message) => {
    if (message.author.bot) return;
    console.log(message.mentions.users);

    userstoreact.forEach(async (usr) => {
        if (message.mentions.users.find((u) => u.id == usr.userId)) {
            try {
                await message.react(emoji);
            } catch (err) {
                console.error("Failed to react to message:", err);
            }
        }
    });

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

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

    const cmd = client.commands.get(command);

    if (!cmd) return;

    cmd.run(client, message, args);
});

// Log in to Discord with your client's token
client.login(token);