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//
// On an event page, links marked data-modal-target="checkout" fetch the
// modal partial (?fragment=1) and present it as an in-page overlay with
// history integration (pushState to the checkout URL, Back closes). The
// form submits over fetch with Accept: application/json and paints a
// confirmation pane. Every step degrades: without JS the same links are
// ordinary navigations to the standalone /checkout/{id} page, whose form
// posts and redirects to the receipt.
(function () {
"use strict";
var overlay = null;
var lastFocus = null;
var onEventPage = !!document.querySelector(".event-detail");
function money(cents) {
return "$" + (cents / 100).toFixed(2);
}
function wireQuantity(root) {
var qty = root.querySelector("#qty");
if (!qty) return;
var unit = parseInt(qty.getAttribute("data-unit-price-cents"), 10);
var stepper = root.querySelector("[data-stepper]");
function sync() {
var value = parseInt(qty.value, 10) || 1;
var max = qty.options.length;
if (value < 1) { value = 1; qty.value = "1"; }
if (value > max) { value = max; qty.value = String(max); }
if (!isNaN(unit)) {
root.querySelectorAll("[data-order-total]").forEach(function (el) {
el.textContent = money(unit * value);
});
}
var sq = root.querySelector("[data-summary-qty]");
if (sq) sq.textContent = String(value);
if (stepper) {
stepper.querySelector('[data-step="-1"]').disabled = value <= 1;
stepper.querySelector('[data-step="1"]').disabled = value >= max;
}
}
qty.addEventListener("change", sync);
if (stepper) {
stepper.querySelectorAll("[data-step]").forEach(function (btn) {
btn.addEventListener("click", function () {
qty.value = String((parseInt(qty.value, 10) || 1) +
parseInt(btn.getAttribute("data-step"), 10));
sync();
});
});
}
sync();
}
function wireOptions(root) {
var options = root.querySelector("[data-checkout-options]");
if (!options) return;
var registration = root.querySelector("[data-checkout-registration]");
var summary = root.querySelector("[data-options-summary]");
var formQty = root.querySelector("#qty");
var optionsQty = root.querySelector("[data-options-qty]");
function focusVisible(selector) {
var target = root.querySelector(selector);
if (target && target.offsetParent !== null && !target.disabled) {
target.focus();
}
}
function openSection(name) {
options.classList.remove("is-date", "is-time", "is-tickets");
options.classList.add("is-" + name);
options.querySelectorAll("[data-option-section]").forEach(function (section) {
var open = section.getAttribute("data-option-section") === name;
section.classList.toggle("is-open", open);
var trigger = section.querySelector("[data-option-trigger]");
var panel = section.querySelector("[data-option-panel]");
if (trigger) trigger.setAttribute("aria-expanded", String(open));
if (panel) panel.hidden = !open;
});
var main = root.querySelector("[data-checkout-main]");
if (main) main.scrollTop = 0;
}
options.querySelectorAll("[data-option-trigger]").forEach(function (trigger) {
trigger.addEventListener("click", function () {
openSection(trigger.getAttribute("data-option-trigger"));
});
});
var date = options.querySelector("[data-option-date]");
if (date) {
date.addEventListener("click", function () {
var selected = options.querySelector("[data-selected-date]");
if (selected) selected.hidden = false;
openSection("time");
focusVisible("[data-option-time]");
});
}
var time = options.querySelector("[data-option-time]");
if (time) {
time.addEventListener("click", function () {
var selected = options.querySelector("[data-selected-time]");
if (selected) selected.hidden = false;
if (summary) summary.hidden = false;
openSection("tickets");
focusVisible("[data-options-qty]");
});
}
if (optionsQty && formQty) {
optionsQty.addEventListener("change", function () {
formQty.value = optionsQty.value;
formQty.dispatchEvent(new Event("change", { bubbles: true }));
});
}
var seeMore = options.querySelector("[data-ticket-see-more]");
if (seeMore) {
seeMore.addEventListener("click", function () {
var shortText = options.querySelector("[data-ticket-description-short]");
var moreText = options.querySelector("[data-ticket-description-more]");
var expanded = seeMore.getAttribute("aria-expanded") === "true";
if (shortText) shortText.hidden = !expanded;
if (moreText) moreText.hidden = expanded;
seeMore.setAttribute("aria-expanded", String(!expanded));
seeMore.textContent = expanded ? "See more" : "See less";
});
}
var moreDates = options.querySelector("[data-calendar-more]");
var calendarMonths = options.querySelector(".checkout-calendar__months");
if (moreDates && calendarMonths) {
moreDates.addEventListener("click", function () {
calendarMonths.scrollBy({ top: 220, behavior: "smooth" });
});
}
var register = options.querySelector("[data-options-register]");
if (register && registration) {
register.addEventListener("click", function () {
options.hidden = true;
registration.hidden = false;
if (summary) summary.hidden = false;
var main = root.querySelector("[data-checkout-main]");
if (main) main.scrollTop = 0;
var first = registration.querySelector("input:not([type='hidden'])");
if (first) first.focus();
});
}
}
function visibleFocusables(container) {
return Array.prototype.slice.call(container.querySelectorAll(
"a[href], button:not([disabled]), input:not([disabled]), " +
"select:not([disabled]), textarea:not([disabled]), [tabindex]"
)).filter(function (item) {
return item.getAttribute("tabindex") !== "-1" &&
item.getAttribute("aria-hidden") !== "true" &&
item.offsetParent !== null;
});
}
function showErrors(root, errors) {
var box = root.querySelector("[data-checkout-errors]");
if (!box) return;
var list = box.querySelector("ul");
list.innerHTML = "";
errors.forEach(function (message) {
var item = document.createElement("li");
item.textContent = message;
list.appendChild(item);
});
box.hidden = false;
box.scrollIntoView({ block: "nearest" });
}
function showConfirmation(root, data, quantity) {
var main = root.querySelector("[data-checkout-main]");
if (!main) return;
main.innerHTML =
'<div class="checkout-confirmation" role="status">' +
'<svg class="icon" aria-hidden="true"><use href="#i-check"/></svg>' +
"<h2>You're in!</h2>" +
"<p>" + quantity + " ticket(s) confirmed" +
(data.total ? " · " + data.total : "") + "</p>" +
'<p>Order reference <strong>' + data.reference + "</strong></p>" +
'<a class="eds-btn eds-btn--fill" href="' + data.receipt_url +
'">View your order</a></div>';
var link = main.querySelector("a.eds-btn");
if (link) link.focus();
}
function wireForm(root) {
var form = root.querySelector("[data-checkout-form]");
if (!form || !window.fetch) return;
function onSubmit(event) {
event.preventDefault();
var button = form.querySelector('button[type="submit"]');
button.disabled = true;
var quantity = parseInt(form.querySelector("#qty").value, 10) || 1;
fetch(form.action, {
method: "POST",
headers: { "Accept": "application/json" },
body: new URLSearchParams(new FormData(form)),
credentials: "same-origin",
}).then(function (response) {
return response.json().then(function (data) {
if (data.redirect) { window.location.assign(data.redirect); return; }
if (data.status === "created") {
showConfirmation(root, data, quantity);
return;
}
showErrors(root, data.errors || ["Something went wrong."]);
button.disabled = false;
});
}).catch(function () {
// Network/parse failure: fall back to the ordinary form post.
form.removeEventListener("submit", onSubmit);
form.submit();
});
}
form.addEventListener("submit", onSubmit);
}
function trapFocus(container) {
container.addEventListener("keydown", function (event) {
if (event.key !== "Tab") return;
var focusable = visibleFocusables(container);
if (!focusable.length) return;
var first = focusable[0];
var last = focusable[focusable.length - 1];
if (focusable.indexOf(document.activeElement) === -1) {
event.preventDefault();
(event.shiftKey ? last : first).focus();
} else if (event.shiftKey && document.activeElement === first) {
event.preventDefault(); last.focus();
} else if (!event.shiftKey && document.activeElement === last) {
event.preventDefault(); first.focus();
}
});
}
function closeOverlay(viaHistory) {
if (!overlay) return;
overlay.remove();
overlay = null;
document.body.classList.remove("has-checkout-open");
if (lastFocus && lastFocus.focus) lastFocus.focus();
if (!viaHistory) history.back();
}
function openModal(checkoutUrl) {
var fragmentUrl = checkoutUrl +
(checkoutUrl.indexOf("?") >= 0 ? "&" : "?") + "fragment=1";
fetch(fragmentUrl, { credentials: "same-origin" })
.then(function (response) {
if (!response.ok) throw new Error("fragment " + response.status);
return response.text();
})
.then(function (html) {
lastFocus = document.activeElement;
overlay = document.createElement("div");
overlay.className = "checkout-overlay";
overlay.innerHTML = html;
document.body.appendChild(overlay);
document.body.classList.add("has-checkout-open");
history.pushState({ checkout: true }, "", checkoutUrl);
var modal = overlay.querySelector('[data-modal="checkout"]');
wireQuantity(overlay);
wireOptions(overlay);
wireForm(overlay);
trapFocus(overlay);
var initial = visibleFocusables(modal)[0];
if (initial) initial.focus();
else modal.focus();
overlay.addEventListener("click", function (event) {
if (event.target === overlay) closeOverlay(false);
});
overlay.querySelectorAll("[data-checkout-close]").forEach(function (close) {
close.addEventListener("click", function (event) {
event.preventDefault();
closeOverlay(false);
});
});
})
.catch(function () {
// Fetch failed: fall back to full-page navigation.
window.location.assign(checkoutUrl);
});
}
if (onEventPage && window.fetch) {
document.querySelectorAll('a[href^="/checkout/"]').forEach(function (link) {
link.addEventListener("click", function (event) {
event.preventDefault();
openModal(link.getAttribute("href"));
});
});
window.addEventListener("keydown", function (event) {
if (event.key === "Escape" && overlay) closeOverlay(false);
});
window.addEventListener("popstate", function () {
if (overlay) closeOverlay(true);
});
var shareButton = document.querySelector(
'.event-toolbar button[aria-label="Share event"]');
var shareStatus = document.querySelector(".event-share-status");
if (shareButton) {
shareButton.addEventListener("click", function () {
if (!shareStatus) return;
shareStatus.textContent = "Sharing is unavailable in this local clone";
window.setTimeout(function () {
shareStatus.textContent = "";
}, 2200);
});
}
}
// Standalone /checkout/{id} page: wire quantity + fetch submit in place.
var pageModal = document.querySelector(
".checkout-overlay.is-page [data-modal='checkout']");
if (pageModal) {
wireQuantity(pageModal);
wireOptions(pageModal);
wireForm(pageModal);
var pageRoot = document.querySelector(".checkout-overlay.is-page");
pageRoot.classList.add("is-static");
}
})();
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