var discord = require('discord.js');
var fs = require('fs');
var randomColour = require('randomcolor');
var Config = require('./config.json');

class Bot {
    constructor(){
        this.servers = require('./servers.json');
        this.discordClient = new discord.Client({sync: true});

        this.discordClient.on("ready", () => {this.initialize();});

        this.discordClient.on("message", (msg) => {this.processMessage(msg)});

        this.discordClient.login(Config.discord_token);
    }

    initialize() {
        this.log("CCsatlakozott a  discordhoz.");

        setInterval(() => {
            this.randomizeRoleColors();
        }, Config.randomize_delay*1000);
    }

    processMessage(msg) {
        if(msg.content.startsWith(".multicolor")) {
            for(var role of msg.mentions.roles.array()) {
                msg.reply("A " + role + " nevezetü rang mostantól szinváltósra van állitva");

                this.addRainbowRole(msg.guild.id, role.id);
            }
        }
    }

    randomizeRoleColors() {
        for(var server in this.servers) {
            var liveGuild = this.discordClient.guilds.get(server);

            if (!liveGuild) {
                this.error("Guild with ID " + server+ " no longer exists or the bot has been removed from it.");
                continue;
            }

            for(var role of this.servers[server]) {
                var liveRole = liveGuild.roles.get(role);

                liveRole.setColor(randomColour(), "Rainbowbot random role color randomizer.");
            }
        }
    }

    addRainbowRole(guild, role) {
        if(this.servers[guild] == undefined) {
            this.servers[guild] = [];
        }

        for(var existingRole of this.servers[guild]) {
            if(existingRole == role) {
                return "A rang hozzá lett adva";
            }
        }

        this.servers[guild].push(role);
        this.saveServers();
    }

    saveServers() {
        fs.writeFileSync("./servers.json", JSON.stringify(this.servers), "utf8");
        this.log("A szerver el lett mentve");
    }

    log(message) {
        console.log("\x1b[32mINFO\x1b[37m - \x1b[0m" + message);
    }

    error(message) {
        console.log("\x1b[31mERROR\x1b[37m - \x1b[0m" + message);
    }
}

var instance = new Bot();