/*! evtrack -- UI module */
(function(f) {
    var g = f.document;
    var c = "mousedown mouseup mousemove mouseover mouseout mousewheel ";
    c += "touchstart touchend touchmove keydown keyup keypress ";
    c += "click dblclick scroll change select submit reset contextmenu cut copy paste";
    var d = "load unload beforeunload blur focus resize error online offline";
    c = c.split(" ");
    d = d.split(" ");
    var a = c.concat(d);
    var b = " "
      , e = "|||";
    var h = 0
      , k = 0
      , j = [];
    var i = {
        settings: {
            postServer: "//my.server.org/save.script",
            postInterval: 30,
            regularEvents: "*",
            pollingEvents: "",
            pollingMs: 150,
            taskName: "evtrack",
            callback: null,
            saveAttributes: true,
            layoutType: "liquid",
            debug: false
        },
        record: function(l) {
            k = new Date().getTime();
            for (var m in i.settings) {
                if (l.hasOwnProperty(m) && l[m] !== null) {
                    i.settings[m] = l[m]
                }
            }
            i.log("Recording starts...", k, i.settings);
            i.addEventListeners();
            setTimeout(function() {
                i.initNewData(true)
            }, i.settings.postInterval * 1000)
        },
        addEventListeners: function() {
            if (i.settings.regularEvents == "*") {
                i.addCustomEventListeners(a)
            } else {
                i.log("Settings regular events...");
                i.settings.regularEvents = i.settings.regularEvents.split(" ");
                i.addCustomEventListeners(i.settings.regularEvents)
            }
            if (i.settings.pollingEvents == "*") {
                i.addCustomEventListeners(a)
            } else {
                i.log("Settings polling events...");
                i.settings.pollingEvents = i.settings.pollingEvents.split(" ");
                i.addCustomEventListeners(i.settings.pollingEvents)
            }
            var l = (typeof f.onbeforeunload === "function") ? "beforeunload" : "unload";
            TrackLib.Events.add(f, l, i.flush)
        },
        addCustomEventListeners: function(n) {
            i.log("Adding event listeners:", n);
            for (var l = 0; l < n.length; ++l) {
                var m = n[l];
                if (!m) {
                    continue
                }
                if (c.indexOf(m) > -1) {
                    TrackLib.Events.add(g, m, i.docHandler);
                    i.log("Adding document event:", m);
                    if (g.attachEvent) {
                        if (m == "focus") {
                            TrackLib.Events.add(g.body, "focusin", i.winHandler)
                        }
                        if (m == "blur") {
                            TrackLib.Events.add(g.body, "focusout", i.winHandler)
                        }
                    }
                } else {
                    if (d.indexOf(m) > -1) {
                        TrackLib.Events.add(f, m, i.winHandler);
                        i.log("Adding window event:", m)
                    }
                }
            }
        },
        initNewData: function(l) {
            var o = TrackLib.Dimension.getWindowSize()
              , n = TrackLib.Dimension.getDocumentSize()
              , m = "url=" + encodeURIComponent(f.location.href);
            m += "&screenw=" + screen.width;
            m += "&screenh=" + screen.height;
            m += "&winw=" + o.width;
            m += "&winh=" + o.height;
            m += "&docw=" + n.width;
            m += "&doch=" + n.height;
            m += "&info=" + encodeURIComponent(j.join(e));
            m += "&task=" + encodeURIComponent(i.settings.taskName);
            m += "&action=init";
            i.send({
                async: l,
                postdata: m,
                callback: i.setUserId
            });
            j = []
        },
        setUserId: function(l) {
            h = parseInt(l.responseText);
            i.log("setUserId:", h);
            if (h) {
                setInterval(function() {
                    i.appendData(true)
                }, i.settings.postInterval * 1000)
            }
        },
        appendData: function(l) {
            var m = "uid=" + h;
            m += "&info=" + encodeURIComponent(j.join(e));
            m += "&task=" + encodeURIComponent(i.settings.taskName);
            m += "&action=append";
            i.send({
                async: l,
                postdata: m
            });
            j = []
        },
        send: function(l) {
            l.url = i.settings.postServer;
            TrackLib.XHR.sendAjaxRequest(l)
        },
        docHandler: function(l) {
            if (l.type.indexOf("touch") > -1) {
                i.touchHandler(l)
            } else {
                i.eventHandler(l)
            }
        },
        winHandler: function(l) {
            i.eventHandler(l)
        },
        eventHandler: function(q) {
            q = TrackLib.Events.fix(q);
            var n = new Date().getTime()
              , m = q.type
              , o = true;
            if (i.settings.pollingMs > 0 && i.settings.pollingEvents.indexOf(m) > -1) {
                o = (n - k >= i.settings.pollingMs)
            }
            if (o) {
                var s = i.getMousePos(q)
                  , r = TrackLib.XPath.getXPath(q.target)
                  , l = i.settings.saveAttributes ? TrackLib.Util.serializeAttrs(q.target) : "{}"
                  , p = {};
                if (typeof i.settings.callback === "function") {
                    p = i.settings.callback(q)
                }
                i.fillInfo(q.id, n, s.x, s.y, m, r, l, JSON.stringify(p));
                k = n
            }
        },
        touchHandler: function(n) {
            n = TrackLib.Events.fix(n);
            var m = n.changedTouches;
            if (m) {
                for (var l = 0, o; l < m.length; ++l) {
                    o = m[l];
                    o.type = n.type;
                    i.eventHandler(o)
                }
            }
        },
        getMousePos: function(m) {
            m = TrackLib.Events.fix(m);
            var l = 0
              , n = 0;
            if (m.pageX || m.pageY) {
                l = m.pageX;
                n = m.pageY
            } else {
                if (m.clientX || m.clientY) {
                    l = m.clientX + g.body.scrollLeft + g.documentElement.scrollLeft;
                    n = m.clientY + g.body.scrollTop + g.documentElement.scrollTop
                }
            }
            if (!l || l < 0) {
                l = 0
            }
            if (!n || n < 0) {
                n = 0
            }
            return {
                x: l,
                y: n
            }
        },
        fillInfo: function() {
            var l = [].slice.apply(arguments);
            j.push(l.join(b));
            i.log(l)
        },
        flush: function(m) {
            i.log("Flushing data...", h);
            var l;
            for (l = 0; l < c.length; ++l) {
                TrackLib.Events.remove(g, c[l], i.docHandler)
            }
            for (l = 0; l < d.length; ++l) {
                TrackLib.Events.remove(f, d[l], i.winHandler)
            }
            if (h) {
                i.appendData(false)
            } else {
                i.initNewData(false)
            }
        },
        log: function() {
            if (i.settings.debug && typeof console.log === "function") {
                console.log.apply(console, arguments)
            }
        }
    };
    f.TrackUI = i
}
)(this);