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<?php

namespace app\commands;

use OpenApi\Generator;
use yii\console\Controller;
use yii\console\ExitCode;

class OpenApiController extends Controller
{

    private string $_filePath = '';
    private string $_prefix = 'docs/';

    /**
     * @inheritDoc
     * @return void
     */
    public function init(): void
    {
        $this->_filePath = realpath(dirname(__FILE__)) . '/../web' . DIRECTORY_SEPARATOR;
        parent::init();
    }

    /**
     * Generate multiple json file OpenAPI
     */
    public function actionIndex(): void
    {
        # Generate initial file. just example
        $this->generate('./controllers/SiteController.php', 'openapi.json');

        # Generate controllers
        $files = glob("./modules/v1/controllers/*.php");
        $exclude = [];

        foreach ($files as $file){
            
            $fileNameWithoutController = basename($file, '.php');
            $fileNameWithoutController = str_replace('Controller', '', $fileNameWithoutController);

            if(!in_array($fileNameWithoutController,  $exclude)){
                $jsonFileName = strtolower($fileNameWithoutController) . '.json';
                $this->generate($file, $jsonFileName);
            }

        }
    }
    protected function scanDirectory($path): void
    {
        $openapi = Generator::scan([$path]);
        file_put_contents($this->_filePath .  $this->_prefix . 'openapi', $openapi->toJson());
        echo $openapi->toJson();
    }

    /**
     * Generate file json, load di swagger-ui
     * @param string $file
     * @param string $fileName
     * @return int
     */
    protected function generate(string $file, string $fileName): int
    {
        // Scan the file, and write those OA annotation into a json file with complete file path
        $openapi = Generator::scan([$file]);

        if (file_put_contents($this->_filePath .  $this->_prefix . $fileName, $openapi->toJson())) {
            $this->stdout("Generate: $fileName is success\n");
            return ExitCode::OK;
        }
        return ExitCode::UNSPECIFIED_ERROR;
    }
}