var express = require('express')
    , app = express()
    , server = require('http').createServer(app)
    , path = require('path')
    , io = require('socket.io').listen(server)
    , cosm = require('./cosm.js')
    , osc = require('./osc.js');

var cosmStreams = [53146, 34606, 43573];

var cosmFeeds = {53146 : ["GearboxRPM", "Windspeed", "Pitch"],
    34606 : ["CCChannel1,Import1", "CCSensor1,Servers2", "CCSensor2,Office3"],
    43573 : ["Humidity1", "Air pressure2", "Thermo3"]};

var cosmClient = new cosm(cosmStreams, 'orKBBdLAKuKJU-RxqmZpZB6q0baSAKxBTVhKdjhUNkdyVT0g');
var oscClient = new osc('chaosc', 7110);

function logErrors(err, req, res, next) {
  console.error(err.stack);
  next(err);
}

function clientErrorHandler(err, req, res, next) {
  if (req.xhr) {
    res.send(500, { error: 'Something blew up!' });
  } else {
    next(err);
  }
}

function errorHandler(err, req, res, next) {
  res.status(500);
  res.render('error', { error: err });
}


app.configure(function () {
    app.set('port', process.env.PORT || 16000);
    app.set('views', __dirname + '/views');
    app.set('view engine', 'jade');
    app.use(express.logger('dev'));
    app.use(express.bodyParser());
    app.use(express.methodOverride());
    app.use(app.router);
    app.use(logErrors);
    app.use(clientErrorHandler);
    app.use(errorHandler);
    app.use(express.static(path.join(__dirname, 'public')));
});

app.configure('development', function () {
    app.use(express.errorHandler());
    app.locals.pretty = true;
});

app.get("/", function(req, res) {
    res.render('index', { title: 'COSM display', streams: cosmStreams });
});

io.sockets.on('connection', function (socket) {
    cosmClient.getStreams(cosmStreams, function(object) {
        socket.emit('gotstream', object);
    });
});



server.listen(app.get('port'), function () {
    console.log("Express server listening on port " + app.get('port'));
});

// this event is send by cosm client when new data arrives (just when values changes)
cosmClient.on('updatevalue', function(object) {
    console.log("updatevalue: " + JSON.stringify(object));
    oscClient.send('/cosm/' + object.stream + "/" + object.displayname, object.value);
    if (cosmFeeds.hasOwnProperty(object.stream) && cosmFeeds[object.stream].indexOf(object.displayname) != -1) {
        console.log("sending " + object.displayname);
        io.sockets.emit('updatevalue', object);
    }
});


// this event is send by cosm client when new data arrives (just when values changes)
cosmClient.on('changedvalue', function(object) {
    console.log("changedvalue: " + JSON.stringify(object));
    oscClient.send('/cosm/' + object.stream + "/" + object.displayname, object.value);
    if (cosmFeeds.hasOwnProperty(object.stream) && cosmFeeds[object.stream].indexOf(object.displayname) != -1) {
        console.log("sending " + object.displayname);
        io.sockets.emit('changedvalue', object);
    }
});