/**

 * scripts/main.js

 *

 * This is the starting point for your application.

 * Take a look at http://browserify.org/ for more info

 */

'use strict';

var PIXI = require('pixi');

// Config vars

var logger = false;

var sceneWidth = 1920;

var prHeight1 = 435;

var prHeight2 = 645;

var sceneHeight = prHeight1 + prHeight2;

var sceneBgColor = 0xFFFFFF;

var lineColor = 0x444444;

var pixelsPerSecond1 = Math.floor(sceneWidth / 10); // nb of pixels per second

var manualFramerate = pixelsPerSecond1 / 4;

var pixelsPerSecond2 = Math.floor(sceneWidth / 60); // nb of pixels per second

var lineInterval = 5000; // means line every 5 seconds

var nbLines = -1;

var noteHeight = 110;

var noteColors = [0xB90000, 0x4BDD71, 0xAF931E, 0x1C28BA, 0x536991];

var colorsReg = {};

// Vars

var noteDict = [];

// Timecode method

var timePageLoaded = Date.now();

var offsetMusic = false;

//create an new instance of a pixi stage

var stage = new PIXI.Stage(sceneBgColor);

//create a renderer instance.

var renderer = PIXI.autoDetectRenderer(sceneWidth, sceneHeight);

//add the renderer view element to the DOM

document.getElementById('canvasContainer').appendChild(renderer.view);

var uberContainer = new PIXI.DisplayObjectContainer();

uberContainer.position.x = Math.floor(sceneWidth*9/10);

uberContainer.position.y = 0;

stage.addChild(uberContainer);

var PianoRoll = require('./pianoroll.js')

// Init containers

var containerList = [];

containerList.push(new PianoRoll(uberContainer, 0, 0, prHeight1, true, pixelsPerSecond1, sceneWidth, noteColors, colorsReg, lineColor, lineInterval));

containerList.push(new PianoRoll(uberContainer, 0, prHeight1, prHeight2, false, pixelsPerSecond2, sceneWidth, noteColors, colorsReg, lineColor, lineInterval));

// Line between two containers

var graphics = new PIXI.Graphics();

graphics.beginFill(0xFFFF00);

graphics.lineStyle(1, lineColor);

graphics.moveTo(0, prHeight1);

graphics.lineTo(sceneWidth, prHeight1);

graphics.endFill();

stage.addChild(graphics);

function replaceContainers(){

    var diff = (Date.now() - timePageLoaded)/1000;// nb of seconds since page loaded

    //console.log("replace ! diff1 = ", container1.x - Math.floor(-diff*pixelsPerSecond1), ", diff 2 = ", container2.x - Math.floor(-diff*pixelsPerSecond2));

    for(var i=0;i<containerList.length;i++){

        containerList[i].moveTo(-diff);

    }

    renderer.render(stage);

}

function addNotes(data){

    if(!offsetMusic){

        // get difference between the current note timecode and my zero to set the difference between the canvas's zero and the music's zero

        // in order to place in real time

        var now = Date.now();

        var timeBetweenNowAndStart = now - timePageLoaded;

        offsetMusic = timeBetweenNowAndStart - data.content[1];

        //console.log("start: ", timePageLoaded, ", now: ", now, ", timeBetweenNowAndStart = ", timeBetweenNowAndStart, ", offsetMusic = ", offsetMusic);

    }

    var note = data.content[3];

    var velocity = data.content[4];

    if(velocity===0){

        if(typeof noteDict[data.content[2]][note]!=='undefined'){

            // We close the note in container one

            //console.log("coucou 2", data);

            var duration = data.content[1] - noteDict[data.content[2]][note].ts;

            for(var i=0;i<containerList.length;i++){

                //               addNote(note, startTime,                          duration, velocity,                                 canal)

                containerList[i].addNote(note, noteDict[data.content[2]][note].ts, duration, noteDict[data.content[2]][note].velocity, data.content[2]);

            }

            // delete entry

            delete noteDict[data.content[2]][note];

        }

    }

    else{

        if(typeof noteDict[data.content[2]]==='undefined'){

            noteDict[data.content[2]] = {};

        }

        noteDict[data.content[2]][note] = {ts: data.content[1], velocity:velocity};

    }

}

function addLine(){

    nbLines++;

    for(var i=0;i<containerList.length;i++){

        containerList[i].addLine(nbLines);

    }

}

// Socket management

var sock = null;

var ellog = null;

function log(m) {

    if(logger){

        ellog.innerHTML += m + '\n';

        ellog.scrollTop = ellog.scrollHeight;

    }

}

window.onload = function(){

    if(logger){

        ellog = document.getElementById('log');

    }

    else{

        document.body.removeChild(document.getElementById('log'));

    }

    var wsuri;

    if (window.location.protocol === 'file:') {

        wsuri = 'ws://127.0.0.1:8090/broadcast';

    } else {

        wsuri = 'ws://' + window.location.hostname + ':8090/broadcast';

    }

    wsuri = wsuri + '?channel=PIANOROLL&event_code='+eventCode;

    if ('WebSocket' in window) {

        sock = new WebSocket(wsuri);

    } else if ('MozWebSocket' in window) {

        sock = new MozWebSocket(wsuri);

    } else {

        log('Browser does not support WebSocket!');

        window.location = 'http://autobahn.ws/unsupportedbrowser';

    }

    if (sock) {

        sock.onopen = function(){

            if(logger){

                log('Connected to ' + wsuri);

            }

        };

        sock.onclose = function(e) {

            if(logger){

                log('Connection closed (wasClean = ' + e.wasClean + ', code = ' + e.code + ', reason = \'' + e.reason + '\')');

            }

            sock = null;

        };

        sock.onmessage = function(e) {

            if(logger){

                log('Got message: ' + e.data);

            }

            addNotes(JSON.parse(e.data));

        };

    }

};

// Init page and intervals

addLine();

var moveInterval = window.setInterval(replaceContainers, 1000/manualFramerate);

var verticalLinesInterval = window.setInterval(addLine, lineInterval);

// Little inteval to show time

var nbSec = 0;

var mySpan = document.getElementById('myspan');

function updateTime(){

    nbSec++;

    var hours = parseInt( nbSec / 3600 ) % 24;

    var minutes = parseInt( nbSec / 60 ) % 60;

    var seconds = nbSec % 60;

    var timeStr = (hours < 10 ? '0' + hours : hours) + ':' + (minutes < 10 ? '0' + minutes : minutes) + ':' + (seconds  < 10 ? '0' + seconds : seconds);

    mySpan.innerHTML = timeStr;

}

var secondInterval = window.setInterval(updateTime, 1000);

module.exports = {

    moveInterval: moveInterval,

    verticalLinesInterval: verticalLinesInterval,

    secondInterval: secondInterval

};