const Discord = require("discord.js");
const client = new Discord.Client();
const config = require("./config.json");

client.login(config.token);

client.on("ready", () => {
    console.log("Booted");
});

// commands
client.on("message", (message) => {
    if (!message.content.startsWith(config.prefix) || message.author.bot) return;

    const args = message.content.slice(config.prefix.length).trim().split(/ +/g);
    const command = args.shift().toLowerCase();
    const guild = message.guild;
    const lobbyVc = guild.channels.get(config.lobbyId);

    // create a vc
    if (command === "createvc") {
        if (message.member.voiceChannelID === lobbyVc.id) { // checks if the user is in the lobby
            if (args[0] === "public") {
                guild.createChannel(message.author.username, "voice").then(createdChannel => {
                    createdChannel.edit({
                        parent: config.parentId
                    });
                    message.member.setVoiceChannel(createdChannel);
                });
            }
            else
            if (args[0] === "private") {
                guild.createChannel(message.author.username, "voice", [{id: guild.id, deny: ["CONNECT"]}]).then(createdChannel => {
                    createdChannel.edit({
                        parent: config.parentId
                    });
                    message.member.setVoiceChannel(createdChannel);
                });
            }
            else {
                message.channel.send("Please specify if the channel is public or private.");
            }
        }
        else {
            message.channel.send("Please join " + lobbyVc.name + " to create a channel.");
        }
    }
    else // rename a vc
    if (command === "renamevc") {
        if (message.member.voiceChannel.parent.id === config.parentId && message.member.voiceChannelID !== lobbyVc.id) { //checks if user is allowed to rename vc
            console.log("<" + message.member.id + "> renamed <" + message.member.voiceChannel.name + "> into <" + message.content.slice(config.prefix.length + 9) + ">");
            message.member.voiceChannel.setName(message.content.slice(config.prefix.length + 9));
        }
        else {
            message.channel.send("You don't have the permission to rename this vc.");
        }
    }
    else // allow an user
    if (command === "allowuser") {
        if (message.member.voiceChannel.parent.id === config.parentId && message.member.voiceChannelID !== lobbyVc.id) { //checks if user is in a modifyable voice channel
            if (guild.members.has(args[0])) {
                guild.channels.get(message.member.voiceChannelID).overwritePermissions(args[0],{"CONNECT":true});
            }
            else
            if (message.mentions.members.first() != undefined) {
                guild.channels.get(message.member.voiceChannelID).overwritePermissions(message.mentions.members.first().id,{"CONNECT":true});
            }
            else {
                message.channel.send("Please attach an user-id or mention to the command.");
            }
        }
        else {
            message.channel.send("You are not allowed to allow users in this voice channel.");
        }
    }
    else // disallow user
    if (command === "disallowuser") {
        if (message.member.voiceChannel.parent.id === config.parentId && message.member.voiceChannelID !== lobbyVc.id) { //checks if user is in a modifyable voice channel
            if (guild.members.has(args[0])) {
                guild.channels.get(message.member.voiceChannelID).overwritePermissions(args[0],{"CONNECT":true});
            }
            else
            if (message.mentions.members.first() != undefined) {
                guild.channels.get(message.member.voiceChannelID).overwritePermissions(message.mentions.members.first().id,{"CONNECT":true});
            }
            else {
                message.channel.send("Please attach an user-id or mention to the command.");
            }
        }
        else {
            message.channel.send("You are not allowed to deny users in this voice channel.");
        }
    }
});