<?php

/**
 * The main plugin file.
 *
 * If we evolve from a canonical plugin into WordPress core, this file would be left behind.
 *
 * @package \WP\MCP
 */
declare (strict_types=1);
namespace Bluehost\Plugin\WP\MCP;

use Bluehost\Plugin\WP\MCP\Core\McpAdapter;
/**
 * Class - Plugin
 */
final class Plugin
{
    /**
     * The one true plugin.
     *
     * @var static
     */
    private static self $instance;
    /**
     * Gets the singleton instance of the plugin.
     *
     * @return self The plugin instance.
     */
    public static function instance(): self
    {
        if (!isset(self::$instance)) {
            self::$instance = new self();
            self::$instance->setup();
            /**
             * Fires after the main plugin class has been initialized.
             *
             * @param self $instance The main plugin class instance.
             */
            do_action('wp_mcp_init', self::$instance);
        }
        return self::$instance;
    }
    /**
     * Sets up the plugin.
     */
    private function setup(): void
    {
        // Bail if dependencies are not met.
        if (!$this->has_dependencies()) {
            return;
        }
        McpAdapter::instance();
    }
    /**
     * Checks if all required dependencies are available.
     *
     * Will log an admin notice if dependencies are missing.
     *
     * @return bool True if all dependencies are met, false otherwise.
     */
    private function has_dependencies(): bool
    {
        // Check if Abilities API is available.
        if (!function_exists('wp_register_ability')) {
            add_action('admin_notices', static function () {
                wp_admin_notice(__('Abilities API not available (wp_register_ability function not found)', 'mcp-adapter'), array('type' => 'error', 'dismiss' => false));
            });
            return false;
        }
        return true;
    }
    /**
     * Prevents the class from being cloned.
     */
    public function __clone()
    {
        _doing_it_wrong(__FUNCTION__, sprintf(
            // translators: %s: Class name.
            esc_html__('The %s class should not be cloned.', 'mcp-adapter'),
            esc_html(self::class)
        ), '0.1.0');
    }
    /**
     * Prevents the class from being deserialized.
     */
    public function __wakeup()
    {
        _doing_it_wrong(__FUNCTION__, sprintf(
            // translators: %s: Class name.
            esc_html__('De-serializing instances of %s is not allowed.', 'mcp-adapter'),
            esc_html(self::class)
        ), '0.1.0');
    }
}