fix Name Property (wrong order: FN and N have different orders!) mand…

…atory check for fullname

src/Exception/VCardException.php

@@ -12,6 +12,13 @@
 
 class VCardException extends \Exception
 {
+    public static function forRequiredProperty(PropertyInterface $property): self
+    {
+        return new self(
+            'The property "' . get_class($property) . '" is mandatory, and you need to add it once.'
+        );
+    }
+
     public static function forExistingProperty(PropertyInterface $property): self
     {
         return new self(

src/Parser/Property/NameParser.php

@@ -11,7 +11,7 @@ final class NameParser extends PropertyParser implements NodeParserInterface
 {
     public function parseVcfString(string $value, array $parameters = []): NodeInterface
     {
-        @list($firstName, $additional, $lastName, $prefix, $suffix) = explode(';', $value);
+        @list($lastName, $firstName, $additional, $prefix, $suffix) = explode(';', $value);
 
         $this->convertEmptyStringToNull([
             $lastName,

src/Property/Name.php

@@ -13,13 +13,13 @@
 final class Name implements PropertyInterface, NodeInterface
 {
     /** @var null|string */
-    private $additional;
+    private $lastName;
 
     /** @var null|string */
     private $firstName;
 
     /** @var null|string */
-    private $lastName;
+    private $additional;
 
     /** @var null|string */
     private $prefix;

src/VCard.php

@@ -160,9 +160,38 @@ public function getParameters(string $filterByPropertyParameterClass = null): ar
         });
     }
 
+    /**
+     * @param string $forPropertyClass
+     * @return array
+     * @throws VCardException
+     */
     public function getProperties(string $forPropertyClass = null): array
     {
         if ($forPropertyClass === null) {
+            $array = $this->properties;
+            //make empty array var for each required Property or Property you need to work with
+            $found_fullname = $found_name = $others = [];
+            foreach ($array as $value) {
+                //search if property exist and add it to the defined array var, else add it to the others array
+                if ($value instanceof FullName) {
+                    $found_fullname[] = $value;
+                } elseif ($value instanceof Name) {
+                    $found_name[] = $value;
+                } else {
+                    $others[] = $value;
+                }
+            }
+            //check for empty and throw exception, if it can not be generated by existing fields
+            if (count($found_fullname) == 0) {
+                if (count($found_name) == 0) {
+                    throw VCardException::forRequiredProperty(new FullName('NoName'));
+                } else {
+                    $found_fullname[] = new FullName(implode(' ', array_filter(array($found_name[0]->getPrefix(), $found_name[0]->getLastName(), $found_name[0]->getAdditional(), $found_name[0]->getFirstName(), $found_name[0]->getSuffix()))));
+                }
+            }
+            $array = array_merge($found_fullname, $found_name, $others);
+            $this->properties = $array;
+
             return $this->properties;
         }