/**
 * Embedder function
 */
var msEmbed = {
    /**
     * Initialize the embed
     */
    cookieConsentName: "userconsent",
    iframeEmbed: [],
    init: function () {
        //detect all embed iFrames
        msEmbed.addEventListener(window, "message", function (event) {
            if (event.data['embedId']) {
                var embedId = event.data['embedId'];
                var frm = event.data['frm'] ? event.data['frm'] : '';
                var iframe = document.getElementById('ms-embed-' + embedId + (frm != '' ? ('-' + frm) : ''));
                if (iframe) {
                    if(msEmbed.checkCookieConsent() && msEmbed.iframeEmbed.indexOf(iframe) == -1){
                        iframe.src= iframe.src + '&partialDisplay=1';
                        msEmbed.iframeEmbed.push(iframe);
                    }
                    //iframe detected
                    var size = event.data['size'];
                    if (event.data['type'] == 'sizeChange') {
                        //set the new size (height only, as the width is considered set by default)
                        iframe.style.height = size.height + "px";

                        //send the child an acknowledge message to know what size it was received so it doesn't send it again
                        iframe.contentWindow.postMessage({
                            'type': 'acknowledgeSize',
                            'embedId': embedId,
                            'frm': frm,
                            size: size
                        }, '*');

                    } else if (event.data['type'] == 'pullStyle') {
                        //gather style to send
                        var styles = [];
                        for (var i = 0; i < document.styleSheets.length; i++) {
                            var stylesheet = document.styleSheets[i];
                            try {
                                //when the css rules come from a different domain there's a security error that must be ignored in ff
                                var ruleList = stylesheet.rules || stylesheet.cssRules;
                                if (ruleList && ruleList.length) {
                                    for (var j = 0; j < ruleList.length; j++) {
                                        var selectorText = ruleList[j].selectorText;
                                        if (selectorText && selectorText.indexOf('.' + event.data['selector']) >= 0) {
                                            styles.push(ruleList[j].cssText);
                                        }
                                    }
                                }
                            } catch (e) {
                            }
                        }

                        //need to send the style inside the iframe
                        iframe.contentWindow.postMessage({
                            'type': 'pushStyle',
                            'embedId': embedId,
                            'frm': frm,
                            'style': styles.join('\n\n')
                        }, '*');
                    } else if (event.data['type'] == 'event') {
                        orange.embed.raise(event.data['eventName'], {
                            data: event.data['params'],
                            embed: {type: event.data['embed']['type'], category: event.data['embed']['category'],
                                instanceId: event.data['embed']['instanceId']}
                        });
                    }
                }
            }
        }, false);
    },

    /**
     * Add one event listener
     * @param object
     * @param event
     * @param method
     */
    addEventListener: function (object, event, method) {
        var eventMethod = window.addEventListener ? "addEventListener" : "attachEvent";
        var eventAdder = object[eventMethod];
        event = window.addEventListener ? event : ('on' + event);
        eventAdder(event, method, false);
    },
    checkCookieConsent: function (element) {
        var cookieConsent = getCookie((msEmbed.cookieConsentName));
        if(cookieConsent != ""){
            cookieConsent = JSON.parse(cookieConsent);
            return cookieConsent && cookieConsent.c && cookieConsent.c.w && cookieConsent.c.w.cs && cookieConsent.c.w.cs.c5 && cookieConsent.c.w.cs.c5 == 1;
        }else {
            return true;
        }
    }
};

//initialize the embed
msEmbed.init();
orange = window.orange || {};
orange.eventsMixin = function (target, eventNames) {
    var actionsList = {};
    for (var k in eventNames) {
        actionsList[eventNames[k]] = {};
    }
    target.on = function (eventName, callback) {
        var index = eventNames.indexOf(eventName);
        var uid = guid();
        if (index >= 0) {
            if (typeof callback !== "undefined") {
                actionsList[eventName][uid] = callback;
            }
            return uid;
        } else {
            throw "Unknown Event";
        }
    };
    target.off = function (eventId) {
        for (var k in actionsList) {
            var ev = actionsList[k];
            for (var i in ev) {
                if (i === eventId) {
                    delete ev[i];
                }
            }
        }
    };
    target.raise = function (eventName, params) {
        for (var k in actionsList[eventName]) {
            if (actionsList[eventName][k] !== null) {
                actionsList[eventName][k](params);
            }
        }
    }
};
orange.embed = orange.embed || {};
orange.eventsMixin(orange.embed, ['refreshPub']);


function guid() {
    function s4() {
        return Math.floor((1 + Math.random()) * 0x10000)
            .toString(16)
            .substring(1);
    }

    return s4() + s4() + '-' + s4() + '-' + s4() + '-' +
        s4() + '-' + s4() + s4() + s4();
}

function getCookie(cname) {
    var name = cname + "=";
    var decodedCookie = decodeURIComponent(document.cookie);
    var ca = decodedCookie.split(';');
    for(var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') {
            c = c.substring(1);
        }
        if (c.indexOf(name) == 0) {
            return c.substring(name.length, c.length);
        }
    }
    return "";
}