var mosca = require('mosca');

var ascoltatore = {
    //using ascoltatore
    type: 'mongo',
    url: 'mongodb://localhost:27017/mqtt',
    pubsubCollection: 'ascoltatori',
    mongo: {}
};

var moscaSettings = {
    port: 1883,
    backend: ascoltatore,
    persistence: {
        factory: mosca.persistence.Mongo,
        url: 'mongodb://localhost:27017/mqtt'
    }
};

try {
    var server = new mosca.Server(moscaSettings);
    server.on('ready', setup);
    server.on('error', function(e){
        console.error('e',e);
    });

    server.on('clientConnected', function (client) {
        console.log('client connected', client.id);
    });

// fired when a message is received
    server.on('published', function (packet, client) {
        console.log('Published', packet.payload);
    });

// fired when the mqtt server is ready
    function setup() {
        console.log('Mosca server is up and running')
    }
}catch(e){
    console.error(e);
}