let sdk = require("matrix-js-sdk");
let message = require("./message.js");

class Bot {
    constructor(config) {
        this.config = config
    }
}

function create(configFile) {
    let config = require(configFile);
    console.log("Running with config:");
    console.log(config);
    return new Bot(config);
}

function init(bot) {
    console.log("Creating Matrix Client")
    bot.client = sdk.createClient({
        baseUrl: bot.config.baseUrl,
        accessToken: bot.config.accessToken,
        userId: bot.config.userId
    });

    function sendClientStatusUpdate() {
        bot.config.statusRooms.forEach(roomId => {
            console.log("Notifying %s", roomId);
            bot.client.sendMessage(roomId, message.createBasic("Started!")).done(function () {
                console.log("Notified %s", roomId);
            })
        });
    }

    // Prep the bot
    bot.client.on("sync", function (state, previousState, data) {
        switch (state) {
            case "PREPARED":
                sendClientStatusUpdate();
                break;
        }
    });

    // auto join rooms that an admin user has invited the bot to
    bot.client.on("RoomMember.membership", function (event, member) {
        if (member.membership === "invite"
            && bot.config.admin.indexOf(ember.userId) >= 0) {
                bot.client.joinRoom(member.roomId).done(function () {
                console.log("Auto-joined %s", member.roomId);
            });
        }
    });

    return bot;
}

function run(bot) {
    bot.client.startClient()
}

exports.create = create;
exports.init = init;
exports.run = run;