<?php
/**
 * Plugin Name: Hi-School Slide Manager
 * Plugin URI: https://hi-school.com/slide-manager
 * Description: Multi-site slide management system for Hi-School websites. Allows staff to create and schedule slides on the main site, display them as headers on companion sites via REST API, with advanced preview and editing capabilities.
 * Version: 1.1.9
 * Author: Hi-School Development Team
 * Author URI: https://hi-school.com
 * License: GPL v2 or later
 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain: hi-school-slide-manager
 * Domain Path: /languages
 * Network: false
 * Requires at least: 5.0
 * Tested up to: 6.4
 * Requires PHP: 7.4
 */

// Prevent direct access
if ( ! defined( 'ABSPATH' ) ) {
    exit( 'Direct access forbidden.' );
}

// Plugin constants
define( 'HSSM_VERSION', '1.1.9' );
define( 'HSSM_PLUGIN_FILE', __FILE__ );
define( 'HSSM_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
define( 'HSSM_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
define( 'HSSM_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );

// Database table names (if needed for future features)
// define( 'HSSM_SLIDES_TABLE', 'hssm_slides' );
// define( 'HSSM_SITES_TABLE', 'hssm_companion_sites' );

/**
 * Write a debug log line only when WP_DEBUG and WP_DEBUG_LOG are enabled.
 *
 * @since 1.1.2
 * @param mixed $message Message or data to log.
 */
function hssm_debug_log( $message ) {
    if ( ! defined( 'WP_DEBUG' ) || ! WP_DEBUG || ! defined( 'WP_DEBUG_LOG' ) || ! WP_DEBUG_LOG ) {
        return;
    }

    if ( ! is_string( $message ) ) {
        $message = print_r( $message, true );
    }

    error_log( 'HSSM: ' . $message );
}

/**
 * Permalink for a published page using a plugin template.
 *
 * Prefers a matching slug, then any page with the template, including children.
 * get_pages() with hierarchical=1 can skip child pages, so this uses WP_Query.
 *
 * @since 1.1.3
 * @param string $template      Page template filename.
 * @param string $fallback_path Optional path used when no page is found.
 * @return string
 */
function hssm_get_page_url_by_template( $template, $fallback_path = '' ) {
    $preferred_slug = '';
    if ( 'page-slide-preview.php' === $template ) {
        $preferred_slug = 'slide-preview';
    } elseif ( 'page-slide-dashboard.php' === $template ) {
        $preferred_slug = 'slide-dashboard';
    } elseif ( 'page-slide-confirmation.php' === $template ) {
        $preferred_slug = 'slide-confirmation';
    }

    $query = new WP_Query(
        array(
            'post_type'      => 'page',
            'post_status'    => array( 'publish', 'private' ),
            'posts_per_page' => 20,
            'no_found_rows'  => true,
            'meta_key'       => '_wp_page_template',
            'meta_value'     => $template,
            'orderby'        => array(
                'menu_order' => 'ASC',
                'ID'         => 'ASC',
            ),
        )
    );

    $match = null;
    if ( $query->have_posts() ) {
        foreach ( $query->posts as $page ) {
            if ( $preferred_slug && $preferred_slug === $page->post_name ) {
                $match = $page;
                break;
            }
            if ( ! $match ) {
                $match = $page;
            }
        }
    }
    wp_reset_postdata();

    if ( $match ) {
        return get_permalink( $match->ID );
    }

    $path_candidates = array();
    if ( $preferred_slug ) {
        $path_candidates[] = 'slide-dashboard/' . $preferred_slug;
        $path_candidates[] = $preferred_slug;
    }
    if ( $fallback_path ) {
        $path_candidates[] = trim( $fallback_path, '/' );
    }

    foreach ( array_unique( $path_candidates ) as $path ) {
        $page = get_page_by_path( $path );
        if ( $page ) {
            return get_permalink( $page->ID );
        }
    }

    return $fallback_path ? home_url( $fallback_path ) : '';
}

// Include core files
require_once HSSM_PLUGIN_DIR . 'includes/class-hssm-autoloader.php';
require_once HSSM_PLUGIN_DIR . 'includes/class-hssm-main.php';


/**
 * Initialize the Hi-School Slide Manager plugin
 * 
 * @since 1.0.0
 */
function hssm_init() {
    // Check if we're on the main site (this plugin should only run on main site)
    if ( is_multisite() && ! is_main_site() ) {
        return;
    }
    
    // Initialize autoloader
    HSSM_Autoloader::init();
    
    // Get the main plugin instance and initialize
    $hssm = HSSM_Main::get_instance();
    $hssm->init();
}

// Hook into WordPress
add_action( 'plugins_loaded', 'hssm_init' );

// Activation and deactivation hooks
register_activation_hook( __FILE__, array( 'HSSM_Main', 'activate' ) );
register_deactivation_hook( __FILE__, array( 'HSSM_Main', 'deactivate' ) );
register_uninstall_hook( __FILE__, array( 'HSSM_Main', 'uninstall' ) );