Introducing settings file, some refactorings and stabilization

src/Converters/ConvertFormat.php

@@ -5,12 +5,11 @@ declare(strict_types=1);
 namespace PmConverter\Converters;
 
 
-use PmConverter\Converters\{
-    Curl\CurlConverter,
-    Http\HttpConverter,
-    Postman20\Postman20Converter,
-    Postman21\Postman21Converter,
-    Wget\WgetConverter};
+use PmConverter\Converters\Curl\CurlConverter;
+use PmConverter\Converters\Http\HttpConverter;
+use PmConverter\Converters\Postman20\Postman20Converter;
+use PmConverter\Converters\Postman21\Postman21Converter;
+use PmConverter\Converters\Wget\WgetConverter;
 
 enum ConvertFormat: string
 {
@@ -19,4 +18,26 @@ enum ConvertFormat: string
     case Wget = WgetConverter::class;
     case Postman20 = Postman20Converter::class;
     case Postman21 = Postman21Converter::class;
+
+    public static function fromArg(string $arg): self
+    {
+        return match ($arg) {
+            'http' => ConvertFormat::Http,
+            'curl' => ConvertFormat::Curl,
+            'wget' => ConvertFormat::Wget,
+            'v2.0' => ConvertFormat::Postman20,
+            'v2.1' => ConvertFormat::Postman21,
+        };
+    }
+
+    public function toArg(): string
+    {
+        return match ($this) {
+            ConvertFormat::Http => 'http',
+            ConvertFormat::Curl => 'curl',
+            ConvertFormat::Wget => 'wget',
+            ConvertFormat::Postman20 => 'v2.0',
+            ConvertFormat::Postman21 => 'v2.1',
+        };
+    }
 }