/* version: v0.3.1 | date: 2026-04-23 15:45 UTC+03:00 | Support modal: Fetch and display HubSpot company contract info on selection */
/* version: v0.3.0 | date: 2026-04-03 12:00 UTC+07:00 | Admin inbox: image upload via paste/attach button */
/* version: v0.2.2 | date: 2026-02-28 12:36 UTC+07:00 | WP-Admin: floating ticket button + tenant mode (booking admin) */

/*
Plugin Name: SH Support Inbox
Description: WP-Admin Support Inbox (2-pane) for replying as shared Support identity.
Version: 0.2.2
Author: SportsHunter Team
*/

if (!defined('ABSPATH')) {
    exit;
}

final class SH_Support_Inbox_Plugin
{
    const NONCE_ACTION = 'sh_support_inbox';
    const MENU_SLUG = 'sh-support-inbox';

    const TENANT_TARGET_PAGE_SLUG = 'sportshunter';

    // Keep this list centralized for easy future updates (e.g. add booknetic_staff).
    private static array $TENANT_ALLOWED_ROLES = [
        'booknetic_saas_tenant',
        'booknetic_staff',
    ];

    private static function current_user_can_use_admin_support_ui(): bool
    {
        if (!is_user_logged_in() || !is_admin()) {
            return false;
        }

        $u = wp_get_current_user();
        $roles = is_object($u) && isset($u->roles) && is_array($u->roles) ? $u->roles : [];

        // Exclude tenants (even if they can hit some wp-admin endpoints).
        if (in_array('sh_tenant', $roles, true) || in_array('booknetic_saas_tenant', $roles, true)) {
            return false;
        }

        // Allow anyone who can access wp-admin for content/admin work.
        if (current_user_can('manage_options')) {
            return true;
        }

        return current_user_can('edit_posts') || current_user_can('edit_pages') || current_user_can('moderate_comments');
    }

    private static function is_tenant_target_page(): bool
    {
        if (!is_admin()) {
            return false;
        }

        $pagenow = isset($GLOBALS['pagenow']) ? (string) $GLOBALS['pagenow'] : '';
        if ($pagenow !== 'admin.php') {
            return false;
        }

        $page = isset($_GET['page']) ? sanitize_text_field((string) $_GET['page']) : '';
        return $page === self::TENANT_TARGET_PAGE_SLUG;
    }

    private static function current_user_is_allowed_tenant(): bool
    {
        if (!is_user_logged_in() || !is_admin()) {
            return false;
        }

        $u = wp_get_current_user();
        $roles = is_object($u) && isset($u->roles) && is_array($u->roles) ? $u->roles : [];
        foreach (self::$TENANT_ALLOWED_ROLES as $r) {
            if (in_array($r, $roles, true)) {
                return true;
            }
        }
        return false;
    }

    public static function init(): void
    {
        add_action('admin_menu', [self::class, 'register_menu']);
        add_action('admin_enqueue_scripts', [self::class, 'enqueue_assets']);
    }

    public static function register_menu(): void
    {
        add_menu_page(
            'Support Inbox',
            'Support Inbox',
            'manage_options',
            self::MENU_SLUG,
            [self::class, 'render_page'],
            'dashicons-format-chat',
            0.1
        );
    }

    public static function enqueue_assets(string $hook_suffix): void
    {
        $is_admin_mode = self::current_user_can_use_admin_support_ui();

        // Tenant button is enabled only on the booking admin page.
        $is_target_booking_page = self::is_tenant_target_page();
        $should_enqueue_global = $is_admin_mode || $is_target_booking_page;

        // Tenant mode: booking admin page for non-admin users.
        $tenant_mode = $is_target_booking_page && !$is_admin_mode;

        if ($should_enqueue_global) {
            $base_url = plugin_dir_url(__FILE__);

            $global_css_path = plugin_dir_path(__FILE__) . 'assets/global.css';
            $global_js_path = plugin_dir_path(__FILE__) . 'assets/global.js';
            $global_css_ver = file_exists($global_css_path) ? (string) filemtime($global_css_path) : '0.2.2';
            $global_js_ver = file_exists($global_js_path) ? (string) filemtime($global_js_path) : '0.2.2';

            wp_enqueue_style(
                'sh-support-inbox-global',
                $base_url . 'assets/global.css',
                [],
                $global_css_ver
            );

            wp_enqueue_script(
                'sh-support-inbox-global',
                $base_url . 'assets/global.js',
                [],
                $global_js_ver,
                true
            );

            wp_localize_script('sh-support-inbox-global', 'shSupportInboxGlobal', [
                'apiUrl' => home_url('/app-api/support-messaging.php'),
                'nonce' => wp_create_nonce(self::NONCE_ACTION),
                'menuSlug' => self::MENU_SLUG,
                'assetsUrl' => $base_url . 'assets/',
                'tenantPageSlug' => self::TENANT_TARGET_PAGE_SLUG,
                'tenantAllowedRoles' => array_values(self::$TENANT_ALLOWED_ROLES),
                'tenantMode' => $tenant_mode,
            ]);
        }

        if ($hook_suffix !== 'toplevel_page_' . self::MENU_SLUG) {
            return;
        }

        $base_url = plugin_dir_url(__FILE__);

        $admin_css_path = plugin_dir_path(__FILE__) . 'assets/admin.css';
        $admin_js_path = plugin_dir_path(__FILE__) . 'assets/admin.js';
        $admin_css_ver = file_exists($admin_css_path) ? (string) filemtime($admin_css_path) : '0.2.2';
        $admin_js_ver = file_exists($admin_js_path) ? (string) filemtime($admin_js_path) : '0.2.2';

        wp_enqueue_style(
            'sh-support-inbox-admin',
            $base_url . 'assets/admin.css',
            [],
            $admin_css_ver
        );

        wp_enqueue_script(
            'sh-support-inbox-admin',
            $base_url . 'assets/admin.js',
            [],
            $admin_js_ver,
            true
        );

        $logo_url = 'https://www.sportshunter.gr/wp-content/plugins/sh-reviews/assets/img/sh_3d_logo.png';

        // Fallback logic (kept for future)
        // $custom_logo_id = (int) get_theme_mod('custom_logo');
        // if ($custom_logo_id > 0) {
        //     $custom_logo_url = wp_get_attachment_image_url($custom_logo_id, 'full');
        //     if (is_string($custom_logo_url) && $custom_logo_url !== '') {
        //         $logo_url = $custom_logo_url;
        //     }
        // }
        // if ($logo_url === '') {
        //     $site_icon_url = get_site_icon_url(128);
        //     if (is_string($site_icon_url) && $site_icon_url !== '') {
        //         $logo_url = $site_icon_url;
        //     }
        // }

        wp_localize_script('sh-support-inbox-admin', 'shSupportInbox', [
            'apiUrl' => home_url('/app-api/support-messaging.php'),
            'nonce' => wp_create_nonce(self::NONCE_ACTION),
            'backUrl' => admin_url('index.php'),
            'logoUrl' => $logo_url,
        ]);
    }

    public static function render_page(): void
    {
        if (!current_user_can('manage_options')) {
            wp_die('Unauthorized');
        }

        $nonce = wp_create_nonce(self::NONCE_ACTION);

        echo '<div id="sh-support-inbox-root" class="sh-support-inbox-root" data-nonce="' . esc_attr($nonce) . '"></div>';
    }
}

SH_Support_Inbox_Plugin::init();