var s_iScaleFactor = 1;
var s_bIsIphone = false;
var s_oCanvasLeft;
var s_oCanvasTop;
var s_bFocus = true;

var browserName = (function (agent) {        switch (true) {
        case agent.indexOf("edge") > -1: return "MS Edge";
        case agent.indexOf("edg/") > -1: return "Edge ( chromium based)";
        case agent.indexOf("opr") > -1 && !!window.opr: return "Opera";
        case agent.indexOf("chrome") > -1 && !!window.chrome: return "Chrome";
        case agent.indexOf("trident") > -1: return "MS IE";
        case agent.indexOf("firefox") > -1: return "Mozilla Firefox";
        case agent.indexOf("safari") > -1: return "Safari";
        default: return "other";
    }
})(window.navigator.userAgent.toLowerCase());



window.addEventListener('resize', function(event) {
    sizeHandler();
}, true);

                function trace(szMsg){
                console.log(szMsg);
                }

function isChrome(){
    var isChrome = /Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor);
    return isChrome;
}

function isIpad() {
    var isIpad = navigator.userAgent.toLowerCase().indexOf('ipad') !== -1;

    if (!isIpad && navigator.userAgent.match(/Mac/) && navigator.maxTouchPoints && navigator.maxTouchPoints > 2) {
        return true;
    }

    return isIpad;
}
    
function isMobile(){
    if(isIpad()){
        return true;
    }
    
    if (navigator.userAgent.match(/Android/i) || navigator.userAgent.match(/webOS/i) || navigator.userAgent.match(/iPhone/i) || navigator.userAgent.match(/iPad/i) || navigator.userAgent.match(/iPod/i) || navigator.userAgent.match(/BlackBerry/i) || navigator.userAgent.match(/Windows Phone/i)) {
        //MOBILE
        return true;
    }else{
        //DESKTOP
        return false;
    }  
};



function isIOS() {
   var iDevices = [
       'iPad Simulator',
       'iPhone Simulator',
       'iPod Simulator',
       'iPad',
       'iPhone',
       'iPod' 
   ]; 

   if (navigator.userAgent.toLowerCase().indexOf("iphone") !== -1){
       s_bIsIphone = true;
       return true;
   }
           
   while (iDevices.length) {
       if (navigator.platform === iDevices.pop()){
           
               
           return true; 
       } 
   } 
   s_bIsIphone = false;

   return false; 
}

        function getSize(Name) {
        var size;
                var name = Name.toLowerCase();
                var document = window.document;
                var documentElement = document.documentElement;
                if (window["inner" + Name] === undefined) {
        // IE6 & IE7 don't have window.innerWidth or innerHeight
        size = documentElement["client" + Name];
        }
        else if (window["inner" + Name] != documentElement["client" + Name]) {
        // WebKit doesn't include scrollbars while calculating viewport size so we have to get fancy

        // Insert markup to test if a media query will match document.doumentElement["client" + Name]
        var bodyElement = document.createElement("body");
                bodyElement.id = "vpw-test-b";
                bodyElement.style.cssText = "overflow:scroll";
                var divElement = document.createElement("div");
                divElement.id = "vpw-test-d";
                divElement.style.cssText = "position:absolute;top:-1000px";
                // Getting specific on the CSS selector so it won't get overridden easily
                divElement.innerHTML = "<style>@media(" + name + ":" + documentElement["client" + Name] + "px){body#vpw-test-b div#vpw-test-d{" + name + ":7px!important}}</style>";
                bodyElement.appendChild(divElement);
                documentElement.insertBefore(bodyElement, document.head);
                if (divElement["offset" + Name] == 7) {
        // Media query matches document.documentElement["client" + Name]
        size = documentElement["client" + Name];
        }
        else {
        // Media query didn't match, use window["inner" + Name]
        size = window["inner" + Name];
        }
        // Cleanup
        documentElement.removeChild(bodyElement);
        }
        else {
        // Default to use window["inner" + Name]
        size = window["inner" + Name];
        }
        return size;
        };
                window.addEventListener("orientationchange", onOrientationChange);
                function onOrientationChange(){
                if (window.matchMedia("(orientation: portrait)").matches) {
                // you're in PORTRAIT mode	   
                sizeHandler();
                }

                if (window.matchMedia("(orientation: landscape)").matches) {
                // you're in LANDSCAPE mode   
                sizeHandler();
                }

                }

        function getIOSWindowHeight() {
        // Get zoom level of mobile Safari
        // Note, that such zoom detection might not work correctly in other browsers
        // We use width, instead of height, because there are no vertical toolbars :)
        var zoomLevel = document.documentElement.clientWidth / window.innerWidth;
                // window.innerHeight returns height of the visible area. 
                // We multiply it by zoom and get out real height.
                return window.innerHeight * zoomLevel;
        };
// You can also get height of the toolbars that are currently displayed
                function getHeightOfIOSToolbars() {
                var tH = (window.orientation === 0 ? screen.height : screen.width) - getIOSWindowHeight();
                        return tH > 1 ? tH : 0;
                };
//THIS FUNCTION MANAGES THE CANVAS SCALING TO FIT PROPORTIONALLY THE GAME TO THE CURRENT DEVICE RESOLUTION

function sizeHandler() {
    window.scrollTo(0, 1);
    
    if (!document.querySelector("#canvas")){
        return;
    }


    var h;
    if(platform.name !== null && platform.name.toLowerCase() === "safari"){
        h = getIOSWindowHeight();
    } else{
        h = getSize("Height");
    }

    var w = getSize("Width");

    if(s_bFocus){
        _checkOrientation(w,h);
    }

            var multiplier = Math.min((h / CANVAS_HEIGHT), (w / CANVAS_WIDTH));
            var destW = Math.round( CANVAS_WIDTH * multiplier );
            var destH = Math.round( CANVAS_HEIGHT * multiplier );
            var iAdd = 0;
            if (destH < h){
    iAdd = h - destH;
            destH += iAdd;
            destW += iAdd * (CANVAS_WIDTH / CANVAS_HEIGHT);
    } else  if (destW < w){
    iAdd = w - destW;
            destW += iAdd;
            destH += iAdd * (CANVAS_HEIGHT / CANVAS_WIDTH);
    }

    var fOffsetY = ((h / 2) - (destH / 2));
            var fOffsetX = ((w / 2) - (destW / 2));
            var fGameInverseScaling = (CANVAS_WIDTH / destW);
            if (fOffsetX * fGameInverseScaling < - EDGEBOARD_X ||
                    fOffsetY * fGameInverseScaling < - EDGEBOARD_Y){
    multiplier = Math.min(h / (CANVAS_HEIGHT - (EDGEBOARD_Y * 2)), w / (CANVAS_WIDTH - (EDGEBOARD_X * 2)));
            destW = Math.round( CANVAS_WIDTH * multiplier );
            destH = Math.round( CANVAS_HEIGHT * multiplier );
            fOffsetY = (h - destH) / 2;
            fOffsetX = (w - destW) / 2;
            fGameInverseScaling = (CANVAS_WIDTH / destW);
    }

    s_iOffsetX = ( - 1 * fOffsetX * fGameInverseScaling);
            s_iOffsetY = ( - 1 * fOffsetY * fGameInverseScaling);
            if (fOffsetY >= 0){
    s_iOffsetY = 0;
    }

    if (fOffsetX >= 0){
    s_iOffsetX = 0;
    }

    if (s_oInterface !== null){
        s_oInterface.refreshButtonPos(s_iOffsetX, s_iOffsetY);
    }

    if (s_oMenu !== null){
        s_oMenu.refreshButtonPos(s_iOffsetX, s_iOffsetY);
    }

    if (s_oLevelMenu !== null){
        s_oLevelMenu.refreshButtonPos(s_iOffsetX, s_iOffsetY);
    }

    if(s_bIsIphone && s_oStage){
        canvas = document.getElementById('canvas');
        s_oStage.canvas.width = destW*2;
        s_oStage.canvas.height = destH*2;
        canvas.style.width = destW+"px";
        canvas.style.height = destH+"px";
       s_iScaleFactor = Math.min(destW / CANVAS_WIDTH, destH / CANVAS_HEIGHT);
        s_iScaleFactor *= 2;
        s_oStage.scaleX = s_oStage.scaleY = s_iScaleFactor;  
    }else if(s_bMobile || isChrome()){
        document.querySelector("#canvas").style.width = destW+"px";
        document.querySelector("#canvas").style.height = destH+"px";
    }else if(s_oStage){
        s_oStage.canvas.width = destW;
        s_oStage.canvas.height = destH;

        s_iScaleFactor = Math.min(destW / CANVAS_WIDTH, destH / CANVAS_HEIGHT);
        s_oStage.scaleX = s_oStage.scaleY = s_iScaleFactor; 
    }

    if(fOffsetY >= 0){
        fOffsetY = (h - destH)/2;
    }

    document.querySelector("#canvas").style.top = fOffsetY+"px";
    document.querySelector("#canvas").style.left = fOffsetX+"px";


    fullscreenHandler();
};
                
                
                function createBitmap(oSprite, iWidth, iHeight){
                var oBmp = new createjs.Bitmap(oSprite);
                        var hitObject = new createjs.Shape();
                        if (iWidth && iHeight){
                hitObject.graphics.beginFill("#fff").drawRect(0, 0, iWidth, iHeight);
                } else{
                hitObject.graphics.beginFill("#ff0").drawRect(0, 0, oSprite.width, oSprite.height);
                }

                oBmp.hitArea = hitObject;
                        return oBmp;
                }

function _checkOrientation(iWidth,iHeight){
    if(s_bMobile && ENABLE_CHECK_ORIENTATION){
        if( iWidth>iHeight ){ 
            if( document.querySelector(".orientation-msg-container").getAttribute("data-orientation") === "landscape" ){
                document.querySelector(".orientation-msg-container").style.display = "none";
                s_oMain.startUpdate();
            }else{
                document.querySelector(".orientation-msg-container").style.display = "block";
                s_oMain.stopUpdate();
            }  
        }else{
            if( document.querySelector(".orientation-msg-container").getAttribute("data-orientation") === "portrait" ){
                document.querySelector(".orientation-msg-container").style.display = "none";
                s_oMain.startUpdate();
            }else{
                document.querySelector(".orientation-msg-container").style.display = "block";
                s_oMain.stopUpdate();
            }   
        }
    }
}



        function createSprite(oSpriteSheet, szState, iRegX, iRegY, iWidth, iHeight){
        if (szState !== null){
        var oRetSprite = new createjs.Sprite(oSpriteSheet, szState);
        } else{
        var oRetSprite = new createjs.Sprite(oSpriteSheet);
        }

        var hitObject = new createjs.Shape();
                hitObject.graphics.beginFill("#000000").drawRect( - iRegX, - iRegY, iWidth, iHeight);
                oRetSprite.hitArea = hitObject;
                return oRetSprite;
        }


        function randomFloatBetween(minValue, maxValue, precision){
        if (typeof (precision) === 'undefined'){
        precision = 2;
        }
        return parseFloat(Math.min(minValue + (Math.random() * (maxValue - minValue)), maxValue).toFixed(precision));
        }

        function formatTime(iTime){
        iTime /= 1000;
                var iMins = Math.floor(iTime / 60);
                var iSecs = Math.floor(iTime - (iMins * 60));
                //iSecs = parseFloat(iSecs).toFixed(1)

                var szRet = "";
                if (iMins < 10){
        szRet += "0" + iMins + ":";
        } else{
        szRet += iMins + ":";
        }

        if (iSecs < 10){
        szRet += "0" + iSecs;
        } else{
        szRet += iSecs;
        }

        return szRet;
        }


        function NoClickDelay(el) {
        this.element = el;
                if (window.Touch) this.element.addEventListener('touchstart', this, false);
        }
//Fisher-Yates Shuffle
        function shuffle(array) {
        var counter = array.length, temp, index;
                // While there are elements in the array
                while (counter > 0) {
        // Pick a random index
        index = Math.floor(Math.random() * counter);
                // Decrease counter by 1
                counter--;
                // And swap the last element with it
                temp = array[counter];
                array[counter] = array[index];
                array[index] = temp;
        }
        return array;
        }

        NoClickDelay.prototype = {
        handleEvent: function(e) {
        switch (e.type) {
        case 'touchstart': this.onTouchStart(e); break;
                case 'touchmove': this.onTouchMove(e); break;
                case 'touchend': this.onTouchEnd(e); break;
        }
        },
                onTouchStart: function(e) {
                e.preventDefault();
                        this.moved = false;
                        this.element.addEventListener('touchmove', this, false);
                        this.element.addEventListener('touchend', this, false);
                },
                onTouchMove: function(e) {
                this.moved = true;
                },
                onTouchEnd: function(e) {
                this.element.removeEventListener('touchmove', this, false);
                        this.element.removeEventListener('touchend', this, false);
                        if (!this.moved) {
                var theTarget = document.elementFromPoint(e.changedTouches[0].clientX, e.changedTouches[0].clientY);
                        if (theTarget.nodeType == 3) theTarget = theTarget.parentNode;
                        var theEvent = document.createEvent('MouseEvents');
                        theEvent.initEvent('click', true, true);
                        theTarget.dispatchEvent(theEvent);
                }
                }

        };
                function toRadian(n) {
                return ((n) * (Math.PI / 180));
                }

        function toDegree(n) {
        return ((n) * (180 / Math.PI));
        }


        function ctlArcadeResume(){
        if (s_oMain !== null){
        s_oMain.startUpdate();
        }
        }

        function ctlArcadePause(){
        if (s_oMain !== null){
        s_oMain.stopUpdate();
        }
        }


        function getParamValue(paramName){
        var url = window.location.search.substring(1);
                var qArray = url.split('&');
                for (var i = 0; i < qArray.length; i++)
        {
        var pArr = qArray[i].split('=');
                if (pArr[0] == paramName)
                return pArr[1];
        }
        }

function playSound(szSound,iVolume,bLoop){
    if(DISABLE_SOUND_MOBILE === false || s_bMobile === false){

        s_aSounds[szSound].play();
        s_aSounds[szSound].volume(iVolume);

        s_aSounds[szSound].loop(bLoop);

        return s_aSounds[szSound];
    }
    return null;
}

function stopSound(szSound){
    if(DISABLE_SOUND_MOBILE === false || s_bMobile === false){
        s_aSounds[szSound].stop();
    }
}   

function setVolume(szSound, iVolume){
    if(DISABLE_SOUND_MOBILE === false || s_bMobile === false){
        s_aSounds[szSound].volume(iVolume);
    }
}  

function setMute(szSound, bMute){
    if(DISABLE_SOUND_MOBILE === false || s_bMobile === false){
        s_aSounds[szSound].mute(bMute);
    }
}

(function() {
    var hidden = "hidden";

    // Standards:
    if (hidden in document)
        document.addEventListener("visibilitychange", onchange);
    else if ((hidden = "mozHidden") in document)
        document.addEventListener("mozvisibilitychange", onchange);
    else if ((hidden = "webkitHidden") in document)
        document.addEventListener("webkitvisibilitychange", onchange);
    else if ((hidden = "msHidden") in document)
        document.addEventListener("msvisibilitychange", onchange);
    // IE 9 and lower:
    else if ('onfocusin' in document)
        document.onfocusin = document.onfocusout = onchange;
    // All others:
    else
        window.onpageshow = window.onpagehide 
            = window.onfocus = window.onblur = onchange;

    function onchange (evt) {
        var v = 'visible', h = 'hidden',
            evtMap = { 
                focus:v, focusin:v, pageshow:v, blur:h, focusout:h, pagehide:h 
            };

        evt = evt || window.event;
		
        if (evt.type in evtMap){
            document.body.className = evtMap[evt.type];
        }else{        
            document.body.className = this[hidden] ? "hidden" : "visible";

			if(document.body.className === "hidden"){
				s_oMain.stopUpdate();
				s_bFocus = false;
			}else{
				s_oMain.startUpdate();
				s_bFocus = true;
			}
		}
        
        
                
    }
})();


function fullscreenHandler(){
	if (!ENABLE_FULLSCREEN || !screenfull.isEnabled){
       return;
    }
	
    s_bFullscreen = screenfull.isFullscreen;

    if (s_oInterface !== null){
        s_oInterface.resetFullscreenBut();
    }

    if (s_oMenu !== null){
        s_oMenu.resetFullscreenBut();
    }
}



if (screenfull.isEnabled) {
    screenfull.on('change', function(){
            s_bFullscreen = screenfull.isFullscreen;

            if (s_oInterface !== null){
                s_oInterface.resetFullscreenBut();
            }

            if (s_oMenu !== null){
                s_oMenu.resetFullscreenBut();
            }
    });
}


function saveItem(szItem,oValue){
    if(s_bStorageAvailable){
        localStorage.setItem(szItem, oValue);
    } 
}

function getItem(szItem){
    if(s_bStorageAvailable){
        return localStorage.getItem(szItem);
    }
    return null;
}