<?php
/**
 * Header shell orchestration (zibll zib_header contract).
 *
 * @package AKSRT
 */

defined('ABSPATH') || exit;

if (!function_exists('aksrt_get_header_nav_context')) :
	/**
	 * Shared header render context (settings + brand + user flags).
	 *
	 * @return array<string,mixed>
	 */
	function aksrt_get_header_nav_context(): array {
		static $ctx = null;
		if ($ctx !== null) {
			return $ctx;
		}

		$settings = class_exists('\AKSRT\Settings\Settings')
			? \AKSRT\Settings\Settings::get_header_nav_settings()
			: [
				'fixed'            => true,
				'search_enabled'   => true,
				'user_menu'        => true,
				'publish_btn'      => true,
				'mobile_drawer'    => true,
				'nav_style'        => 'default',
				'max_width'        => 1200,
				'scroll_down_hide' => true,
				'layout'           => '1',
				'mobile_layout'    => 'center',
				'mobile_align'     => 'left',
				'nav_pay_vip'      => true,
				'nav_user_pay_vip' => true,
			];

		$site_name   = get_bloginfo('name');
		$brand_name  = function_exists('aksrt_get_site_logo_text') ? aksrt_get_site_logo_text() : $site_name;
		$brand_name  = $brand_name !== '' ? $brand_name : $site_name;
		$logo_url    = function_exists('aksrt_get_site_logo_url') ? trim((string) aksrt_get_site_logo_url()) : '';
		$logo_dark   = function_exists('aksrt_get_site_logo_dark_url') ? trim((string) aksrt_get_site_logo_dark_url()) : '';
		$logo_width  = function_exists('aksrt_get_site_logo_width') ? aksrt_get_site_logo_width() : 150;
		$logo_more   = $logo_width > 0
			? 'style="height:36px;width:auto;max-width:' . max(36, (int) $logo_width) . 'px"'
			: 'style="height:36px;width:auto"';
		$logo_html   = '';
		if ($logo_url !== '' || $logo_dark !== '') {
			$logo_html = function_exists('aksrt_get_adaptive_theme_img')
				? aksrt_get_adaptive_theme_img($logo_url, $logo_dark, $brand_name, $logo_more)
				: '';
		}

		$theme_positions = class_exists('\AKSRT\Settings\Settings')
			? \AKSRT\Settings\Settings::get_theme_mode_button_positions()
			: ['pc_nav', 'm_menu'];

		$can_publish = !empty($settings['publish_btn']) && (
			current_user_can('manage_options')
			|| (class_exists('\AKSRT\Core\FrontSubmit') && \AKSRT\Core\FrontSubmit::get_instance()->can_submit())
		);

		$show_slide = function_exists('aksrt_header_slide_is_show')
			? aksrt_header_slide_is_show()
			: false;

		$current_user = wp_get_current_user();
		$user_id      = (int) $current_user->ID;
		$user_desc    = $user_id > 0 ? (string) get_user_meta($user_id, 'description', true) : '';
		if ($user_desc === '' && $user_id > 0) {
			$user_desc = (string) $current_user->user_email;
		}

		$ctx = [
			'settings'         => $settings,
			'layout'           => (string) ($settings['layout'] ?? '1'),
			'mobile_layout'    => (string) ($settings['mobile_layout'] ?? 'center'),
			'mobile_align'     => (string) ($settings['mobile_align'] ?? 'left'),
			'fixed'            => !empty($settings['fixed']),
			'scroll_down_hide' => !empty($settings['scroll_down_hide']) && !empty($settings['fixed']),
			'search_enabled'   => !empty($settings['search_enabled']),
			'user_menu'        => !empty($settings['user_menu']),
			'mobile_drawer'    => !empty($settings['mobile_drawer']),
			'nav_pay_vip'      => !isset($settings['nav_pay_vip']) || !empty($settings['nav_pay_vip']),
			'nav_user_pay_vip' => !isset($settings['nav_user_pay_vip']) || !empty($settings['nav_user_pay_vip']),
			'max_width'        => (int) ($settings['max_width'] ?? 1200),
			'brand_name'       => $brand_name,
			'logo_html'        => $logo_html,
			'has_logo'         => $logo_html !== '',
			'theme_positions'  => is_array($theme_positions) ? $theme_positions : [],
			'can_publish'      => $can_publish,
			'show_slide'       => $show_slide,
			'current_user'     => $current_user,
			'user_id'          => $user_id,
			'user_desc'        => $user_desc,
			'unread_count'     => ($user_id > 0 && function_exists('aksrt_get_user_unread_notification_count'))
				? (int) aksrt_get_user_unread_notification_count($user_id)
				: 0,
			'messages_url'     => function_exists('aksrt_get_messages_page_url') ? aksrt_get_messages_page_url() : '',
			'orders_url'       => function_exists('aksrt_get_orders_page_url') ? aksrt_get_orders_page_url() : '',
			'publish_url'      => function_exists('aksrt_get_new_post_url') ? aksrt_get_new_post_url() : admin_url('post-new.php'),
			'theme_settings_url' => function_exists('aksrt_get_admin_settings_url')
				? aksrt_get_admin_settings_url('')
				: admin_url('admin.php?page=aksrt-settings'),
			'search_state'     => function_exists('aksrt_get_search_form_state')
				? aksrt_get_search_form_state()
				: [
					'type'             => 'post',
					'types'            => ['post' => __('文章', 'aksrt')],
					'category_id'      => 0,
					'category_enabled' => false,
					'categories'       => [],
				],
			'search_placeholder' => function_exists('aksrt_get_search_placeholder')
				? aksrt_get_search_placeholder()
				: __('开启精彩搜索', 'aksrt'),
			'search_hot_keywords' => function_exists('aksrt_get_search_hot_keywords')
				? aksrt_get_search_hot_keywords()
				: [],
		];

		if ($ctx['publish_url'] === '') {
			$ctx['publish_url'] = admin_url('post-new.php');
		}

		return $ctx;
	}
endif;

if (!function_exists('aksrt_header')) :
	/**
	 * Render top header + mobile drawer (+ optional slide after caller).
	 */
	function aksrt_header(): void {
		$ctx    = aksrt_get_header_nav_context();
		$layout = $ctx['layout'];
		$header_class = [
			'header',
			'header-layout-' . $layout,
		];
		if (!empty($ctx['show_slide'])) {
			$header_class[] = 'show-slide';
		}
		if (!empty($ctx['scroll_down_hide'])) {
			$header_class[] = 'scroll-down-hide';
		}

		$nav_class = [
	'navbar',
	'navbar-top',
	$ctx['mobile_layout'],
];
$style_key = sanitize_key((string) ($ctx['settings']['nav_style'] ?? 'default'));
if (in_array($style_key, ['transparent', 'blur'], true)) {
	$header_class[] = 'nav-style-' . $style_key;
	$nav_class[]    = 'nav-style-' . $style_key;
}

$nav_style = '';
		if ((int) $ctx['max_width'] > 0) {
			$nav_style = ' style="--nav-max-width:' . (int) $ctx['max_width'] . 'px"';
		}

		echo '<header class="' . esc_attr(implode(' ', array_map('sanitize_html_class', $header_class))) . '">';
		echo '<nav class="' . esc_attr(implode(' ', array_map('sanitize_html_class', $nav_class))) . '"' . $nav_style . '>';
		echo '<div class="container-fluid container-header">';

		aksrt_navbar_header($ctx);

		// Do NOT use Bootstrap's `.collapse` here — BS5 hides `.collapse:not(.show)`
			// which would wipe the whole PC top bar (menu / CTA / user / search).
			// Zibll uses a plain `.navbar-collapse` flex row; mobile uses the drawer.
			echo '<div class="navbar-collapse">';
		if ('3' !== $layout) {
			aksrt_menu_items('primary', true);
		}
		if ('2' === $layout && !empty($ctx['search_enabled'])) {
			aksrt_get_menu_search($ctx);
		}
		aksrt_menu_button($ctx);
		if ('3' === $layout) {
			echo '<div class="navbar-right">';
			aksrt_menu_items('primary', true);
			echo '</div>';
		}
		echo '</div></div></nav></header>';

		if (!empty($ctx['mobile_drawer'])) {
				aksrt_nav_mobile_shell($ctx);
			}

			// Layout 1/3 search slide (zibll .navbar-search). Layout-2 uses inline menu_search.
			if (!empty($ctx['search_enabled'])) {
				$navbar_search = locate_template('templates/parts/navbar-search.php');
				if ($navbar_search) {
					include $navbar_search;
				}
			}

			if (function_exists('aksrt_render_signout_modal')) {
				aksrt_render_signout_modal();
			}
	}
endif;