let { logger } = require('./logging');
let { modules } = require('./module/index')

class Engine {
    constructor(bot, modules) {
        this.bot = bot;
        this.modules = modules;
    }

    init() {
        logger.info("Initializing modules");
        this.initModules();
    
        this.bot.init();
    
        this.bot.client.on("sync", (state, previousState, data) => {
            switch (state) {
                case "PREPARED":
                    this.bot.connected = true;
                    this.bot.sendStatusStartup();
                    break;
            }
        });
    
        this.bot.client.on("RoomMember.membership", (event, member) => {
            if (member.membership === "invite"
                && this.bot.config.admin.indexOf(ember.userId) >= 0) {
                    this.bot.client.joinRoom(member.roomId).done(() => {
                    logger.info("Auto-joined %s", member.roomId);
                });
            }
        });
    
        /* Capture Exit Conditions */
    
        ["SIGINT", "SIGTERM"].forEach((signature) => {
            process.on(signature, async () => {
                await this.bot.sendStatusShutdown()
                    .then(() => {
                        logger.info("Gracefully stopping Matrix SDK Client")
                        this.bot.client.stopClient();
                    });
                process.exit(0);
            });
        });
    
        process.on('exit', () => {
            logger.info("Shutting Down");
        });
    
        return this;
    }

    initModules() {
        this.modules.forEach((module) => {
            logger.info("Loading module: %s", module.name);
        });
    }

    run() {
        // logger.info("Initializing Crypto");
        // await bot.client.initCrypto();
        logger.info("Starting Matrix SDK Client");
        this.bot.client.startClient();
        return this;
    }
}

function create(bot) {
    return new Engine(bot, modules)
}

exports.create = create;