const settings = require("../bot/settings.json");
const Discord = require("discord.js");
const fs = require("fs");
const ms = require("ms");

module.exports.run = async (bot, message, args) => {
    let prefix = settings.prefix;
    let total = 0;
    let commandList = [];
    if (!args[0]) {
        let page = 1;

        message.reply("Please tell me which page you want me to show")
    } else {
        if (isNaN(Number(args[0]))) {
            message.reply("From " + total + " commands i have, this one was not found");
        } else {
            let page = parseInt(args[0], 10);
        }
    }

    fs.readdir("./commands/", (err, files) => {
        if (err) {
            console.error("An error has occured while loading commands: ");
            console.error(err);
        }

        let jsFile = files.filter(file => file.split(".").pop() == "js");
        let messageSended = false;


        jsFile.forEach((file, i) => {
            let props = require(`./${file}`);
            bot.commands.set(props.help.command, props);

            props.help.aliases.forEach(alias => {
                bot.aliases.set(alias, props.help.command);
            });
            total++;
            commandList.push({
                "name": props.help.name,
                "info": props.help.helpInfo,
                "aliases": props.help.aliases
            })
        }

    })
            //console.log("props.help.command=" + props.help.command);
            //console.log("props.help.aliases= " + props.help.aliases);
            //console.log("args[0]= " + args[0]);
            //console.log("props.helpInfo= " + props.helpInfo);
            //console.log("props.help.helpInfo= "+ props.help.helpInfo);








            let max = Math.ceil(total / 5);

    if (page <= 0 || page > (max)) {
        message.reply("Please put a valid number, between 1 and " + max);
    } else {
        let commandShow = commandList.slice(args[0] * 5 - 5, args[0] * 5);
        console.log(commandShow)

        // creation of embed
        const embed = new Discord.RichEmbed()
            .setTitle("Commands available:")
            .setFooter(`Page${args[0]}/${max}`)
            .setColor("RANDOM");
        //message.reply("List of all commands: " + commandList);

        // upgrade to embed
        let testArray = ["1", "2", "3"]
        // for better embed, have only one field for all commands
        let embedMessage = "";
        commandShow.forEach((commandName) => {
            embedMessage = embedMessage + `__**${commandName.name}**__:\n  **description: \n**   ${commandName.info}  \n **aliases:** \n   ${commandName.aliases}  \n\n`
        });
        embed.setDescription(embedMessage);
        message.channel.send(embed);

    }





};


module.exports.help = {
    name: "Help",
    command: "help",
    aliases: [NaN],
    helpInfo: ["help info"]
};