const {Client, Events, Message} = require('@fluxerjs/core');
const {messageHelper} = require("./helpers/messageHelper.js");
const {enums} = require("./enums.js");
const {commands} = require("./commands.js");
const {webhookHelper} = require("./helpers/webhookHelper.js");
const env = require('dotenv');
const {utils} = require("./helpers/utils.js");
const { AppDataSource } = require("../database/data-source");

env.config();

const token = process.env.FLUXER_BOT_TOKEN;

if (!token) {
    console.error("Missing FLUXER_BOT_TOKEN environment variable.");
    process.exit(1);
}

client = new Client({ intents: 0 });

module.exports.client = client;

client.on(Events.MessageCreate, async (message) => {
    await module.exports.handleMessageCreate(message);
});

/**
 * Calls functions based off the contents of a message object.
 *
 * @async
 * @param {Message} message - The message object
 *
 **/
module.exports.handleMessageCreate = async function(message) {
    try {
        // Ignore bots
        if (message.author.bot) return;
        // Parse command and arguments
        const content = message.content.trim();
        // If message doesn't start with the bot prefix, it could still be a message with a proxy tag. If it's not, return.
        if (!content.startsWith(messageHelper.prefix)) {
            return await webhookHelper.sendMessageAsMember(client, message);
        }

        const commandName = content.slice(messageHelper.prefix.length).split(" ")[0];

        // If there's no command name (ie just the prefix)
        if (!commandName) return await message.reply(enums.help.SHORT_DESC_PLURALFLUX);

        const args = messageHelper.parseCommandArgs(content, commandName);

        let command = commands.commandsMap.get(commandName)
        if (!command) {
            const commandFromAlias = commands.aliasesMap.get(commandName);
            command = commandFromAlias ? commands.commandsMap.get(commandFromAlias.command) : null;
        }

        if (command) {
            await command.execute(message, args);
        }
        else {
            await message.reply(enums.err.COMMAND_NOT_RECOGNIZED);
        }
    }
    catch(error) {
        if(process.env.DEBUG == "TRUE"){console.error("An error occurred at unix timestamp " + Date.now() + "while processing the command: " + command + " with error:" + error);}
        else{console.error(error);}
        process.exit(2); //need this for now just to make sure the bot continues to restart on errors, since it would seem that fluxer.js doesn't define custom error types. TODO: map out some exit codes
    }
}

client.on(Events.Ready, () => {
    console.log(`Logged in as ${client.user?.username}`);
});

let guildCount = 0;
client.on(Events.GuildCreate, () => {
    guildCount++;
    debouncePrintGuilds();
});

function printGuilds() {
    console.log(`Serving ${client.guilds.size} guild(s)`);
}

const debouncePrintGuilds  = utils.debounce(printGuilds, 2000);
// export const debounceLogin  = utils.debounce(client.login, 60000);

module.exports.login = async function() {
    try {
        if (!AppDataSource.isInitialized) {
            await AppDataSource.initialize();
        }
        await client.login(token);
    } catch (err) {
        console.error('Login failed:', err);
        process.exit(1);
    }
}

function main()
{
    exports.login();
}

main();