<?php
namespace  App\ModuleManager;

use App\Models\Module;
use App\Models\Templates\TemplatePath;
use Illuminate\Support\Facades\App;

class Uninstaller {
    /**
     * Delete module from database and uninstall its dependencies
     *
     * @param Module $module
     *
     * @throws \ErrorException
     */
    public static function uninstall(Module $module)
    {
        // check if user does not want to install module in runtime
        if (!App::runningInConsole()) {
            throw new \ErrorException('Modules can be uninstalled only via Artisan!');
        }

        // delete everything in /resources/views/visitor
        if ($module->is_template) {
            self::deleteDirectory(resource_path('views/visitor'));
            self::deleteDirectory(resource_path('views/modules'));
            self::deleteDirectory(public_path('assets'));

            // delete all template paths
            TemplatePath::getQuery()
                        ->delete();
        }

        if ($module->handler && is_callable([$module->handler, 'uninstall'])) {
            call_user_func([$module->handler, 'uninstall'], $module);
        }

        $module->delete();
    }

    /**
     * Delete directory when uninstalling module.
     *
     * @param $directory
     *
     * @throws \ErrorException
     */
    private static function deleteDirectory($directory)
    {
        if (!is_dir($directory)) {
            return;
        }

        $success = \File::deleteDirectory($directory, true);

        if (!$success) {
            throw new \ErrorException('Cannot delete ' . $directory);
        }
    }
}