var loadPrivacy = function() {
    var titleId = ["DBS – Enquiry", "DBS - Complaint", "DBS - New Registration", "DBS - New Organization Registration"].indexOf(document.title)
    if (titleId == -1)
        return false;
    var documentTitle = document.getElementById("pt1:r1:0:ol1")
    if (documentTitle == null) //something's wrong, we don't have a title
        return false;

    var languageFlag = 0 // english
    if (document.getElementById("pt1:pt_pgl14").children[0].innerText == "Ymddangos ar ei gorau mewn crôm .")
        languageFlag = 1 // welsh

    // verify current loaded page
    var pageId = [["Enquiry", "Complaint", "Create a new individual online account", "Create a new organisation online account"],
              ["Ymholiad", "Cwyn", "Creu cyfrif ar-lein newydd ar gyfer unigolyn", "Creu cyfrif ar-lein newydd ar gyfer sefydliad"]
             ][languageFlag].indexOf(documentTitle.innerText)
    if (pageId != titleId)
        return false;

    var privacyDiv = document.getElementById("privacyDiv")
    if (privacyDiv != null && privacyDiv.offsetParent !== null) // the current div is visible
        return false
    else if (privacyDiv != null) // it is not visible but exists, so we need to remove it before proceeding
        privacyDiv.remove()

    console.log("inserting privacy consent checkbox")

    var normalisedPageId = pageId >> 1


    var infoboxText = [
            [
                "I have read and understood the Disclosure and Barring Service Online Services and Enquiry Matrix Privacy Policy.",
                "Rwyf wedi darllen a deall Polisi Preifatrwydd Gwasanaethau Ar-lein a Matrics Ymholiadau y Gwasanaeth Datgelu a Gwahardd (DBS)."],
            [
                "I have read and understood the Disclosure and Barring Service Online Account Privacy Policy.",
                "Rwyf wedi darllen a deall Polisi Preifatrwydd Cyfrif Porth y Gwasanaeth Datgelu a Gwahardd (DBS)."]
        ][normalisedPageId][languageFlag]
    var labelLinkText = [
            [
                "Disclosure and Barring Service Online Services and Enquiry Matrix Privacy Policy",
                "Polisi Preifatrwydd Gwasanaethau Ar-lein a Matrics Ymholiadau y Gwasanaeth Datgelu a Gwahardd (DBS)"],
            [
                "Disclosure and Barring Service Online Account Privacy Policy",
                "Polisi Preifatrwydd Cyfrif Ar-lein y Gwasanaeth Datgelu a Gwahardd (DBS)"]
        ][normalisedPageId][languageFlag]
    var labelLinkLink = [
            [
                "https://www.gov.uk/government/publications/online-services-and-enquiry-matrix-privacy-policy",
                "https://www.gov.uk/government/publications/online-services-and-enquiry-matrix-privacy-policy/polisi-preifatrwydd-gwasanaethau-ar-lein-a-matrics-ymholiadau"],
            [
                "https://www.gov.uk/government/publications/online-account-privacy-policy",
                "https://www.gov.uk/government/publications/online-account-privacy-policy/polisi-preifatrwydd-cyfrif-ar-lein-gwasanaeth-datgelu-a-gwahardd"]
        ][normalisedPageId][languageFlag]

    //the disclaimer label
    var labelLink = document.createElement("a")
    labelLink.innerText = labelLinkText
    labelLink.setAttribute("href", labelLinkLink)
    var labelDiv = document.createElement("div")
    labelDiv.append(infoboxText, document.createElement("br"), document.createElement("br"), labelLink)

    //ADF table layout + checkbox
    var parentDiv = document.createElement("div")
    parentDiv.id = "privacyDiv"
    parentDiv.append(document.createRange().createContextualFragment('\u003Cdiv id="pt1:r1:0:pgl10" class="pglcontentReferralForm AFStretchWidth af_panelGroupLayout" style="border-color:Black; border-style:ridge; border-width:thin; "\u003E\u003Cdiv\u003E\u003Cimg id="pt1:r1:0:s36" src="/HomeOfficeExternalPortal/adf/images/t.gif" alt="" width="10" height="10"\u003E\u003C/div\u003E\u003Cdiv\u003E\u003Ctable cellpadding="0" cellspacing="0" border="0" summary="" id="pt1:r1:0:pgl20" class="pglcontentReferralForm af_panelGroupLayout"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd\u003E\u003Cimg id="pt1:r1:0:spacer20" src="/HomeOfficeExternalPortal/adf/images/t.gif" alt="" width="19" height="10"\u003E\u003C/td\u003E\u003Ctd\u003E\u003Cspan style="color:Red;"\u003E*\u003C/span\u003E\u003C/td\u003E\u003Ctd\u003E\u003Cimg id="pt1:r1:0:spacer21" src="/HomeOfficeExternalPortal/adf/images/t.gif" alt="" width="5" height="10"\u003E\u003C/td\u003E\u003Ctd\u003E\u003Cspan style="font-weight:bold; font-size:16.0px;" id="privacyInfoboxTitle"\u003E\u003C/span\u003E\u003C/td\u003E\u003C/tr\u003E\u003C/tbody\u003E\u003C/table\u003E\u003C/div\u003E\u003Cdiv\u003E\u003Chr id="pt1:r1:0:s20" class="af_separator"\u003E\u003C/div\u003E\u003Cdiv\u003E\u003Cdiv id="pt1:r1:0:pfl5" class="af_panelFormLayout"\u003E\u003Ctable cellpadding="0" cellspacing="0" border="0" summary="" style="width: auto"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd class="af_panelFormLayout_column" colspan="1"\u003E\u003Ctable cellpadding="0" cellspacing="0" border="0" width="100%" summary=""\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd\u003E\u003C/td\u003E\u003Ctd\u003E\u003C/td\u003E\u003C/tr\u003E\u003Ctr\u003E\u003Ctd\u003E\u003C/td\u003E\u003Ctd class="af_panelFormLayout_content-cell"\u003E\u003Ctable cellpadding="0" cellspacing="0" border="0" summary="" id="pt1:r1:0:pgl14" class="pglcontentReferralForm af_panelGroupLayout"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd valign="top"\u003E\u003Ctable class="af_selectBooleanCheckbox" style="font-size:small;margin-right: -5px;" id="pt1:r1:0:sbc1" cellpadding="0" cellspacing="0" border="0" summary="" _adftrc="pt1:r1:0:sbc1::icon-style"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd class="af_selectBooleanCheckbox_label"\u003E\u003C/td\u003E\u003Ctd valign="top" nowrap="" class="AFContentCell"\u003E\u003Cspan class="af_selectBooleanCheckbox_content"\u003E\u003Cspan class="af_selectBooleanCheckbox_content-input"\u003E\u003Cinput id="privacyCheckbox" class="af_selectBooleanCheckbox_native-input" type="checkbox" onclick="this.focus()"\u003E\u003C/span\u003E\u003Clabel for="pt1:r1:0:sbc1::content" class="af_selectBooleanCheckbox_item-text"\u003E\u003C/label\u003E\u003C/span\u003E\u003C/td\u003E\u003C/tr\u003E\u003C/tbody\u003E\u003C/table\u003E\u003C/td\u003E\u003Ctd valign="top" id="privacyInfoboxContents"\u003E\u003C/td\u003E\u003C/tr\u003E\u003C/tbody\u003E\u003C/table\u003E\u003C/td\u003E\u003C/tr\u003E\u003C/tbody\u003E\u003C/table\u003E\u003C/td\u003E\u003C/tr\u003E\u003C/tbody\u003E\u003C/table\u003E\u003C/div\u003E\u003C/div\u003E\u003Cdiv\u003E\u003Cimg id="pt1:r1:0:s23" src="/HomeOfficeExternalPortal/adf/images/t.gif" alt="" width="9" height="10"\u003E\u003C/div\u003E\u003Cdiv\u003E\u003Cimg id="pt1:r1:0:spacer11" src="/HomeOfficeExternalPortal/adf/images/t.gif" alt="" width="6" height="11"\u003E\u003C/div\u003E\u003C/div\u003E'))
    parentDiv.querySelector("#privacyInfoboxContents").append(labelDiv)
    parentDiv.querySelector("#privacyInfoboxTitle").append(["Privacy Policy Consent", "Caniatâd Polisi Preifatrwydd"][languageFlag])
    parentDiv.style.paddingTop = '40px'

    var checkbox = parentDiv.querySelector("#privacyCheckbox")

    // disable and hide the Submit button
    var submitId = ["pt1:r1:0:cb5510", "pt1:r1:0:cb1"][normalisedPageId]
    var submitButton = document.getElementById(submitId)
    var updateSubmitButton = function() {
        var submitButton = document.getElementById(submitId)
        if (checkbox.checked) {
            submitButton.removeAttribute("disabled")
            submitButton.classList.remove("disabledSubmitButton")
        } else {
            submitButton.setAttribute("disabled", "true")
            submitButton.classList.add("disabledSubmitButton")
        }
    }
    updateSubmitButton()
    new MutationObserver(function(mutations) { // changing the Complaint / Enquiry type rebuilds the Submit button
        updateSubmitButton()
    }).observe(
        document.getElementById("pt1:r1:0:pgl2"),
        {subtree: true, characterData: true, childList: true}
    );
    checkbox.addEventListener("click", updateSubmitButton)

    document.getElementById(["pt1:r1:0:pgl8", "pt1:r1:0:pgl8", "pt1:r1:0:pgl15", "pt1:r1:0:pgl2"][pageId]).parentNode.after(parentDiv)
};

var observer = new MutationObserver(function(mutations) {
    loadPrivacy()
})

try {
    observer.observe(
        document.body,
        {subtree: true, characterData: true, childList: true}
    );
} catch {}

// if we're already on the page, from an external link
window.addEventListener("load", () => {
    observer.observe(
        document.body,
        {subtree: true, characterData: true, childList: true}
    );
    loadPrivacy()
})


//if we've navigated to it
observer.observe(
  document.querySelector('title'),
  {subtree: true, characterData: true, childList: true}
);
window.navigation.addEventListener("navigate", loadPrivacy)
//new MutationObserver(function(mutations) {
//    if (document.getElementById("pt1:navmenu:0:cil2") != null && document.getElementById("pt1:navmenu:1:cil2") != null) {
//        document.getElementById("pt1:navmenu:0:cil2").addEventListener("click", loadPrivacy)
//        document.getElementById("pt1:navmenu:1:cil2").addEventListener("click", loadPrivacy)
//    }
//}).observe(
//    document.getElementById('pt1:pg_account'),
//    {subtree: true, characterData: true, childList: true}
//  );

// if we changed languages
observer.observe(
  document.querySelector('html'),
  {attributes: true, characterData: true}
);