var restify = require('restify');
var builder = require('botbuilder');

//=========================================================
// Bot Setup
//=========================================================

// Setup Restify Server
var server = restify.createServer();
server.listen(process.env.port || process.env.PORT || 3978, function () {
   console.log('%s listening to %s', server.name, server.url);
});

// Create chat bot
var connector = new builder.ChatConnector({
    appId: process.env.MICROSOFT_APP_ID,
    appPassword: process.env.MICROSOFT_APP_PASSWORD
});
var bot = new builder.UniversalBot(connector);
server.post('/api/messages', connector.listen());

//=========================================================
// Bots Dialogs
//=========================================================

var addresses = new Set()

var intents = new builder.IntentDialog();
bot.dialog('/', intents);

intents.matches(/register/i, [
    function (session) {
        var address = JSON.stringify(session.message.address);
        if (addresses.has(address)){
            session.send("Already registered");
        } else {
            addresses.add(address);
            session.send("Chat registered");
        }
    },

]);

/*intents.matches(/./, [
    function(session, args, next) {
        console.log("Matched all commands: %j", args);
        session.send("Matched all commands:");
    }
]);*/

intents.onDefault([
    function (session, args, next) {
        session.send("Hi, this command is invalid, maybe try: register command")
    }
]);

server.use(restify.bodyParser());
server.post('/api/notify', function (req, res) {
    // Process posted notification
    var notification = req.body.notification;
    console.log("sending message %j", notification)
    console.log(req.getContentType())
    for (var address of addresses) {
        var address = JSON.parse(address);
        // Send notification as a proactive message
        var msg = new builder.Message()
            .address(address)
            .text(notification);
        bot.send(msg);
    }
    res.end();
});

/*
bot.dialog('/register', function (session) {
    var address = JSON.stringify(session.message.address);
    if addresses.has(address){
        session.send("Already registered")
    }
    addresses.add()
    session.send("Hello World");
});*/