<?php

/*
 * This file is part of Flarum.
 *
 * For detailed copyright and license information, please view the
 * LICENSE file that was distributed with this source code.
 */

namespace Flarum\Extension\Exception;

use Exception;
use Flarum\Extension\Extension;

/**
 * This exception is thrown when someone attempts to disable an extension
 * that other enabled extensions depend on.
 */
class DependentExtensionsException extends Exception
{
    public $extension;
    public $dependent_extensions;

    /**
     * @param $extension: The extension we are attempting to disable.
     * @param $dependent_extensions: Enabled Flarum extensions that depend on this extension.
     */
    public function __construct(Extension $extension, array $dependent_extensions)
    {
        $this->extension = $extension;
        $this->dependent_extensions = $dependent_extensions;

        parent::__construct($extension->getId().' could not be disabled, because it is a dependency of: '.implode(', ', $this->getDependentExtensionIds()));
    }

    /**
     * Get array of IDs for extensions that depend on this extension.
     *
     * @return array
     */
    public function getDependentExtensionIds()
    {
        return array_map(function (Extension $extension) {
            return $extension->getId();
        }, $this->dependent_extensions);
    }
}