Move decode error method, minor text update for error strings

the method "decodeExceptionMessage" has moved from
AmazonIncentives\AmazonIncentives to
AmazonIncentives\Exceptions\AmazonErrors

The old method is currently tagged deprecated internal via @deprecated
PHPdoc entry

src/AmazonIncentives.php

@@ -137,22 +137,12 @@ final class AmazonIncentives
 	 *
 	 * @param  string $message Exception message json string
 	 * @return array<mixed>    Decoded with code, type, message fields
+	 *
+	 * @deprecated use \gullevek\AmazonIncentives\Exceptions\AmazonErrors::decodeExceptionMessage()
 	 */
 	public static function decodeExceptionMessage(string $message): array
 	{
-		$message_ar = json_decode($message, true);
+		return AmazonErrors::decodeExceptionMessage($message);
-		// if we have an error, build empty block and only fill message
-		if (json_last_error()) {
-			$message_ar = [
-				'status' => '',
-				'code' => '',
-				'type' => '',
-				'message' => $message,
-				'log_id' => '',
-				'log' => []
-			];
-		}
-		return $message_ar;
 	}
 
 	// *********************************************************************

src/Exceptions/AmazonErrors.php

@@ -39,6 +39,31 @@ final class AmazonErrors extends RuntimeException
 			$_error_code
 		);
 	}
+
+	/**
+	 * Decodes the Exception message body
+	 * Returns an array with code (Amazon error codes), type (Amazon error info)
+	 * message (Amazon returned error message string)
+	 *
+	 * @param  string $message Exception message json string
+	 * @return array<mixed>    Decoded with code, type, message fields
+	 */
+	public static function decodeExceptionMessage(string $message): array
+	{
+		$message_ar = json_decode($message, true);
+		// if we have an error, build empty block and only fill message
+		if (json_last_error()) {
+			$message_ar = [
+				'status' => '',
+				'code' => '',
+				'type' => '',
+				'message' => $message,
+				'log_id' => '',
+				'log' => []
+			];
+		}
+		return $message_ar;
+	}
 }
 
 // __END__