import "./common.js";
//#region js/product.js
function setActiveNav() {
	const pageNav = document.querySelector("[data-nav]")?.getAttribute("data-nav");
	if (!pageNav) return;
	document.querySelectorAll(".site-header__nav a").forEach((link) => {
		const active = link.textContent.trim().startsWith(pageNav);
		link.classList.toggle("is-active", active);
	});
}
function introGalleryInit() {
	const root = document.querySelector(".p-intro__gallery");
	if (!root || !window.Swiper) return;
	const swiper = new window.Swiper(root, {
		loop: true,
		speed: 500,
		autoplay: {
			delay: 3e3,
			disableOnInteraction: false
		},
		observer: true,
		observeParents: true,
		resizeObserver: true,
		pagination: {
			el: ".p-intro__gallery-pagination",
			clickable: true
		}
	});
	window.addEventListener("resize", () => swiper.update(), { passive: true });
}
function relatedCarouselInit() {
	const root = document.querySelector(".p-related");
	const el = root?.querySelector(".p-related__swiper");
	if (!root || !el || !window.Swiper) return;
	const slideCount = el.querySelectorAll(".swiper-wrapper > .swiper-slide").length;
	// 一屏展示 4 条，不超过 4 条时隐藏切换按钮
	if (slideCount <= 4) {
		root.querySelectorAll(".p-related__header .s-arrows").forEach((node) => {
			node.style.display = "none";
		});
	}
	new window.Swiper(el, {
		slidesPerView: 1.15,
		spaceBetween: 16,
		grabCursor: true,
		watchOverflow: true,
		pagination: {
			el: root.querySelector(".p-related__pagination"),
			clickable: true
		},
		navigation: {
			nextEl: root.querySelector(".s-arrows__next"),
			prevEl: root.querySelector(".s-arrows__prev")
		},
		breakpoints: {
			768: {
				slidesPerView: 2,
				spaceBetween: 24
			},
			1200: {
				slidesPerView: 4,
				spaceBetween: 40
			}
		}
	});
}
function productSubnavInit() {
	const subnav = document.querySelector("[data-p-subnav]");
	const intro = document.querySelector("#p-intro");
	if (!subnav || !intro) return;
	const sectionIds = [
		"p-intro",
		"p-spec",
		"p-download",
		"p-related"
	];
	const sections = sectionIds.map((id) => document.getElementById(id)).filter(Boolean);
	const links = [...subnav.querySelectorAll("[data-p-nav]")];
	const setVisible = (visible) => {
		subnav.classList.toggle("is-visible", visible);
		subnav.setAttribute("aria-hidden", visible ? "false" : "true");
		document.body.classList.toggle("is-p-subnav", visible);
	};
	const setActiveLink = (id) => {
		links.forEach((link) => {
			link.classList.toggle("is-active", link.dataset.pNav === id);
		});
	};
	const getSubnavHeight = () => subnav.offsetHeight || 80;
	const updateActiveByScroll = () => {
		const offset = getSubnavHeight() + 8;
		let current = sectionIds[0];
		for (const section of sections) if (section.getBoundingClientRect().top <= offset) current = section.id;
		setActiveLink(current);
	};
	const updateVisibility = () => {
		const visible = intro.getBoundingClientRect().top <= 1;
		setVisible(visible);
		if (visible) updateActiveByScroll();
	};
	const scrollToSection = (id) => {
		const target = document.getElementById(id);
		if (!target) return;
		const top = window.scrollY + target.getBoundingClientRect().top - getSubnavHeight();
		if (window.lenis) window.lenis.scrollTo(top, { duration: 1 });
		else window.scrollTo({
			top,
			behavior: "smooth"
		});
	};
	subnav.addEventListener("click", (event) => {
		const link = event.target.closest("[data-p-nav], .p-subnav__cta");
		if (!link) return;
		if (link.hasAttribute("data-selection-trigger")) return;
		const href = link.getAttribute("href");
		if (!href || !href.startsWith("#")) return;
		event.preventDefault();
		scrollToSection(href.slice(1));
	});
	document.querySelectorAll("a[href=\"#p-spec\"]").forEach((link) => {
		if (link.closest("[data-p-subnav]")) return;
		if (link.hasAttribute("data-selection-trigger")) return;
		link.addEventListener("click", (event) => {
			event.preventDefault();
			scrollToSection("p-spec");
		});
	});
	const onScroll = () => {
		updateVisibility();
	};
	if (window.lenis) window.lenis.on("scroll", onScroll);
	else window.addEventListener("scroll", onScroll, { passive: true });
	window.addEventListener("resize", updateVisibility, { passive: true });
	updateVisibility();
}
function selectionModalInit() {
	const modal = document.querySelector("[data-selection-modal]");
	if (!modal) return;
	const open = () => {
		modal.hidden = false;
		document.body.style.overflow = "hidden";
		if (window.lenis?.stop) window.lenis.stop();
	};
	const close = () => {
		modal.hidden = true;
		document.body.style.overflow = "";
		if (window.lenis?.start) window.lenis.start();
	};
	document.querySelectorAll("[data-selection-trigger]").forEach((trigger) => {
		trigger.addEventListener("click", (event) => {
			if (trigger.classList.contains("disabled")) return;
			event.preventDefault();
			open();
		});
	});
	modal.querySelectorAll("[data-selection-close]").forEach((el) => {
		el.addEventListener("click", close);
	});
	document.addEventListener("keydown", (event) => {
		if (event.key === "Escape" && !modal.hidden) close();
	});
}
$(function() {
	setActiveNav();
	introGalleryInit();
	relatedCarouselInit();
	productSubnavInit();
	selectionModalInit();
});
//#endregion