define("jira/viewissue/tabs/analytics", [
    'jquery',
    'jira/analytics',
    'jira/util/strings',
    'jira/viewissue/analytics-utils',
    'jira/components/analytics-tracker/tracker',
    'underscore'
], function (
    jQuery,
    analytics,
    StringUtils,
    AnalyticsUtils,
    tracker,
    _
) {

    var privacyPolicyWhitlistedTabs = [
        "com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel",
        "com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel",
        "com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel",
        "com.atlassian.jira.plugin.system.issuetabpanels:changehistory-tabpanel",
        "com.atlassian.streams.streams-jira-plugin:activity-stream-issue-tab"
    ];

    function whitelistedTabId (tabId) {
        if (privacyPolicyWhitlistedTabs.indexOf(tabId) > -1) {
            return tabId;
        }
        return StringUtils.hashCode(tabId);
    }

    function getTabData($tabElement) {
        return {
            tab: whitelistedTabId($tabElement.attr('data-key')),
            tabPosition: $tabElement.index()
        }
    }

    function baseEventData(openedInNewWindow, triggeredByKeyboard) {
        return {
            inNewWindow: openedInNewWindow,
            keyboard: triggeredByKeyboard,
            context: AnalyticsUtils.context()
        }
    }

    function elementHasAttachmentId($element) {
        var elementId = $element.attr("id");
        if (elementId) {
            return /\d+_thumb/.test(elementId);
        }

        return false;
    }

    function getLinkType($linkElement) {
        if ($linkElement.hasClass("issue-link")) {
            return "issue";
        } else if ($linkElement.hasClass("external-link")) {
            return "external";
        } else if (elementHasAttachmentId($linkElement)) {
            return "attachment";
        } else {
            return "unknown";
        }
    }

    function triggerLinkClickedEvent($elementClicked, linkType, openedInNewWindow, triggeredByKeyboard) {
        var $parentTab = $elementClicked.closest(".mod-content").find("#issue-tabs li.active");

        var data = baseEventData(openedInNewWindow, triggeredByKeyboard);
        _.extend(data, getTabData($parentTab));
        _.extend(data, {
            linkType: linkType
        });

        tracker.trackEvent("viewissue", "tab.link.clicked", data);
    }

    return {
        tabClicked: function($elementClicked, openedInNewWindow, triggeredByKeyboard) {
            var $parent = $elementClicked.parent();
            var data = _.extend({}, baseEventData(openedInNewWindow, triggeredByKeyboard), getTabData($parent));
            analytics.send({
                name: "jira.viewissue.tab.clicked",
                data: data
            });

            tracker.trackEvent("viewissue", "tab.clicked", data);
        },

        buttonClicked: function($elementClicked, openedInNewWindow, triggeredByKeyboard) {
            if (!$elementClicked.is("[data-tab-sort]")) {
                return;
            }

            var order = $elementClicked.data("order");
            var $activeTab = $elementClicked.parents(".tabwrap").find("li.active");

            analytics.send({
                name: "jira.viewissue.tabsort.clicked",
                data: _.extend({}, baseEventData(openedInNewWindow, triggeredByKeyboard), getTabData($activeTab), {
                    order: order
                })
            });
        },

        permalinkClicked: function(commentId, triggeredByKeyboard) {
            tracker.trackEvent("viewissue", "comment.permalink.click", {commentId: commentId, keyboard: triggeredByKeyboard});
        },

        permalinkContextMenuOpened: function(commentId, triggeredByKeyboard) {
            tracker.trackEvent("viewissue", "comment.permalink.contextmenu.opened", {commentId: commentId, keyboard: triggeredByKeyboard});
        },

        tabItemDetailsLinkClicked: function($elementClicked, openedInNewWindow, triggeredByKeyboard) {
            triggerLinkClickedEvent($elementClicked, "profile", openedInNewWindow, triggeredByKeyboard);
        },

        tabItemBodyLinkClicked: function($elementClicked, openedInNewWindow, triggeredByKeyboard) {
            triggerLinkClickedEvent($elementClicked, getLinkType($elementClicked), openedInNewWindow, triggeredByKeyboard);
        }
    };
});