/**
 * AKSRT CMS Home Modules
 *
 * - Tab 切换：[data-aksrt-tabs] / [data-tab-target] / [data-tab-id]
 */
(function () {
	'use strict';

	function initTabs(scope) {
		const tablists = (scope || document).querySelectorAll('[data-aksrt-tabs]');
		tablists.forEach(function (list) {
			const buttons = list.querySelectorAll('.home-module__tab');
			const section = list.closest('.home-module--tabs');
			if (!section) return;
			const panels = section.querySelectorAll('.home-module__tab-panel');

			buttons.forEach(function (btn) {
				btn.addEventListener('click', function () {
					const target = btn.getAttribute('data-tab-target');
					if (!target) return;

					buttons.forEach(function (b) {
						b.classList.toggle('is-active', b === btn);
						b.setAttribute('aria-selected', b === btn ? 'true' : 'false');
					});
					panels.forEach(function (p) {
						const isMatch = p.getAttribute('data-tab-id') === target;
						p.classList.toggle('is-active', isMatch);
						if (isMatch) {
							p.removeAttribute('hidden');
						} else {
							p.setAttribute('hidden', '');
						}
					});
				});
			});
		});
	}

	// 监听 postMessage：iframe 预览模式下接收 reload 请求
	window.addEventListener('message', function (e) {
		if (!e.data || e.data.type !== 'aksrt-preview-reload') return;
		// 简单做：直接 reload
		window.location.reload();
	});

	if (document.readyState === 'loading') {
		document.addEventListener('DOMContentLoaded', function () { initTabs(); });
	} else {
		initTabs();
	}
})();