<?php
namespace DayTidy\Menu;

use DayTidy\Interfaces\Menu;
use DayTidy\Menu\Menus\Notifications;
use DayTidy\Menu\Menus\Dashboard;
use DayTidy\Menu\Menus\Onboarding;
use DayTidy\Menu\Menus\Resources;
use DayTidy\Plugin\Engagement;
use DayTidy\Plugin\Profile;
use DayTidy\Connect\Connection;
use DayTidy\Connect\Permissions;
use DayTidy\Menu\Menus\WebiliaConnect;
use Webilia\UI\Header as SharedHeader;

/** Product configuration for the shared renderer. */
final class Header
{
    /** @param object $screen
     * @return array<string, mixed>
     */
    public static function props($screen, ?Menu $menu = null): array
    {
        $profile = Profile::getInstance();
        $title = $menu ? $menu->title() : '';
        $url = $menu ? admin_url('admin.php?page=' . $menu->slug()) : '';
        $submenus = [];
        $title_actions = [];
        if ($menu instanceof Notifications) $submenus = $menu->headerSubmenus($menu->tab);
        if ($menu instanceof WebiliaConnect) $submenus = $menu->navigation();
        if ($menu instanceof Resources)
        {
            $header = $menu->header();
            $title = $header['title'];
            $title_actions = $header['actions'];
        }

        if (!$menu && in_array($screen->base, ['edit', 'post'], true))
        {
            $object = get_post_type_object($screen->post_type);
            if ($object)
            {
                $creating = $screen->base === 'post' && ($GLOBALS['pagenow'] ?? '') === 'post-new.php';
                $title = $screen->base === 'edit' ? $object->labels->name : ($creating ? $object->labels->add_new_item : $object->labels->edit_item);
                $url = admin_url('edit.php?post_type=' . $screen->post_type);
                if (!$creating && current_user_can($object->cap->create_posts ?? 'edit_posts'))
                {
                    $title_actions[] = ['label' => $object->labels->add_new_item, 'url' => admin_url('post-new.php?post_type=' . $screen->post_type)];
                }
            }

            $submenus = (array) apply_filters('DayTidy/F__DayTidy/Menu/Header__post_type_submenus/submenus', [], $screen);
        }

        if (!$menu && in_array($screen->base, ['edit-tags', 'term'], true))
        {
            $object = get_taxonomy($screen->taxonomy);
            if ($object) $title = $screen->base === 'edit-tags' ? $object->labels->name : $object->labels->edit_item;
            $url = add_query_arg(['taxonomy' => $screen->taxonomy, 'post_type' => $screen->post_type], admin_url('edit-tags.php'));
            $submenus = (array) apply_filters('DayTidy/F__DayTidy/Menu/Header__taxonomy_submenus/submenus', [], $screen);
        }

        $section = $menu instanceof Onboarding ? [] : Navigation::section($screen, $menu);
        if ($section) $submenus = array_merge($section, $submenus);
        $submenus = (array) apply_filters('DayTidy/F__DayTidy/Menu/Header__submenus/submenus', $submenus, $title, $url);
        $nav = [];
        foreach ($submenus as $item)
        {
            if (!is_array($item) || !isset($item['title'], $item['url'])) continue;
            $nav[] = [
                'label' => $item['title'],
                'url' => $item['url'],
                'active' => !empty($item['selected']),
                'icon' => $item['icon'] ?? 'wui-icon--general',
            ];
        }

        $connected = Permissions::manage() && Connection::connected();
        $actions = (array) apply_filters('DayTidy/F__DayTidy/Menu/Header__actions/actions', Permissions::manage() ? [
            ['label' => $connected ? __('Connected to Webilia', 'daytidy') : __('Connect with Webilia', 'daytidy'), 'url' => Connection::url(), 'variant' => 'primary'],
        ] : [], $title, $url);
        $announcement = Engagement::action();
        if ($announcement) array_unshift($actions, $announcement);
        return [
            'class' => $connected ? 'daytidy-webilia-connected' : '',
            'title' => $menu instanceof Dashboard ? __('DayTidy', 'daytidy') : '',
            'home_url' => admin_url('admin.php?page=daytidy'),
            'mark_html' => '<img class="daytidy-brand-mark" src="' . esc_url($profile->url() . '/assets/img/daytidy-mark.svg')
                . '" alt="DayTidy" title="' . esc_attr('DayTidy ' . $profile->version()) . '">',
            'page_title' => $menu instanceof Dashboard ? '' : html_entity_decode($title, ENT_QUOTES, 'UTF-8'),
            'title_actions' => $title_actions, 'nav' => $nav,
            'nav_label' => __('Section navigation', 'daytidy'), 'actions' => $actions,
        ];
    }

    /** @param array<string, mixed> $props */
    public static function render(array $props): string
    {
        $items = (array) ($props['nav'] ?? []);
        $props['nav'] = [];
        $header = SharedHeader::render($props);
        $links = '';

        foreach ($items as $item)
        {
            if (!is_array($item)) continue;
            $url = esc_url($item['url'] ?? '');
            if ($url === '') continue;

            $icon = (string) ($item['icon'] ?? '');
            if (!preg_match('/\\b(wui-icon--[a-z0-9-]+)\\b/', $icon, $matches)) $matches[1] = 'wui-icon--general';
            $active = !empty($item['active']);
            $links .= '<a class="wui-header__nav-link' . ($active ? ' is-active' : '') . '" href="' . $url . '"'
                . ($active ? ' aria-current="page"' : '') . '><span class="wui daytidy-icon-scope" aria-hidden="true"><span class="wui-icon daytidy-admin-icon '
                . esc_attr($matches[1]) . '"></span></span>'
                . esc_html($item['label'] ?? '') . '</a>';
        }

        if ($links === '') return $header;

        $nav = '<nav class="wui-header__nav" aria-label="' . esc_attr($props['nav_label'] ?? __('Section navigation', 'daytidy')) . '">' . $links . '</nav>';
        $end = strrpos($header, '</header>');

        return $end === false ? $header : substr($header, 0, $end) . $nav . substr($header, $end);
    }
}