const Discord = require('discord.js');
const { inspect } = require('util');
const { logger, client } = require('../');

module.exports.meta = {
    name: 'eval',
    aliases: ['e']
}

/**
 * @param {Discord.Message} message 
 * @param {Array<string>} args 
 */
module.exports.run = async (message, args) => {
    const ownerID = process.env.OWNER_ID;
    if (!ownerID) return message.channel.send('Error: Bot owner is not configured. Set `OWNER_ID` env var.');
    if (ownerID != message.author.id) {
        logger.warn(`${message.author.tag} ${message.author.id} => Not bot owner`);
        return;
    }
    
    try {
        const exec = args.join(' ');
        if (!exec) return message.channel.send('What do you want me to do, dumbass');
        
        eval(
            `(async () => {` +
            `${exec.replace(/(```\w*\n)|\n```$/g, '')}\n` +
            `})()`
        )
        .then(res => {
            if (res == undefined)
                message.react('✅')
                    .catch(() => message.channel.send('```js\nundefined\n```'));
            else
                message.channel.send(
                    `\`\`\`js\n${
                        inspect(res)
                        .replace(new RegExp(client.token, 'g'), '[Token removed]')
                        .slice(0, 1989)
                    }\n\`\`\``
                );
        })
        .catch(e => {
            message.channel.send(`\`\`\`js\n${(e && e.name && e.message ? `${e.name}: ${e.message}` : `Error: ${e}`).slice(0, 1989)}\n\`\`\``)
                .catch(a => message.channel.send(a));
        });
    } catch(e) {
        message.channel.send(`\`\`\`js\n${(e && e.name && e.message ? `${e.name}: ${e.message}` : `Error: ${e}`).slice(0, 1989)}\n\`\`\``)
            .catch(a => message.channel.send(a));
    }
}