diff --git a/src/QueryBuilderForm.php b/src/QueryBuilderForm.php
index 0186a8d..0bd6423 100644
--- a/src/QueryBuilderForm.php
+++ b/src/QueryBuilderForm.php
@@ -89,7 +89,7 @@ class QueryBuilderForm extends Widget
     public $builder;
 
     /**
-     * @var string|array JSON rules representation into array format
+     * @var string|array<string, mixed> JSON rules representation into array format
      */
     public string|array $rules = '';
 
diff --git a/src/Rule.php b/src/Rule.php
index 7d038c2..707c3b1 100644
--- a/src/Rule.php
+++ b/src/Rule.php
@@ -7,27 +7,31 @@
 class Rule extends Component
 {
 
-    public string $condition;
-    public string $operator;
-    public string $field;
-    public mixed $value = null;
     public bool $valid;
+    public ?string $condition = null;
+
     public string|int $id;
+    public string $field;
     public string $type;
     public string $input;
+    public string $operator;
+    public mixed $value = null;
+
 
-    /** @var array<mixed> */
+    /** @var array<mixed> $rules raw input rules that we will make to child objects */
     public array $rules = [];
     /** @var self[] */
     public array $children = [];
 
-    public function init()
+    public function init() : void
     {
         parent::init();
         foreach ($this->rules as $ruleAttributes) {
-            $this->children[] = \Yii::createObject(array_merge([
+            /** @var Rule $child */
+            $child = \Yii::createObject(array_merge([
                 'class' => self::class,
             ],$ruleAttributes));
+            $this->children[] = $child;
         }
     }
 }
\ No newline at end of file
diff --git a/src/RuleHelper.php b/src/RuleHelper.php
index ae03da6..48f6399 100644
--- a/src/RuleHelper.php
+++ b/src/RuleHelper.php
@@ -7,28 +7,22 @@ class RuleHelper
 
     /**
      * Adds a table prefix for any field in conditions if not existing
-     * @param array<'rules','condition','field'> $rules for Translator
-     * @param string $prefix
-     * @return array<string, mixed>
      */
-    public static function addPrefixToRules(array $rules, string $prefix) : array
+    public static function addPrefixToRules(Rule $rules, string $prefix) : Rule
     {
-        if (!array_key_exists('rules', $rules) || !is_array($rules['rules']) || count($rules['rules']) === 0 ) {
+        if(count($rules->children) === 0) {
             return $rules;
         }
 
-        $out = [];
-        foreach ($rules['rules'] as $key => $rule) {
-            if (isset($rule['condition'])) {
-                $out[$key] = static::addPrefixToRules($rule, $prefix);
+        foreach ($rules->children as $key => $child) {
+            if ($child->condition !== null) {
+                $rules->children[$key] = static::addPrefixToRules($child, $prefix);
             } else {
-                if(!str_contains($rule['field'], ".")) {
-                    $rule['field'] = "$prefix.".$rule['field'];
+                if(!str_contains($child->field, ".")) {
+                    $child->field = "$prefix.".$child->field;
                 }
-                $out[$key] = $rule;
             }
         }
-        $rules['rules'] = $out;
         return $rules;
 
     }
diff --git a/src/Translator.php b/src/Translator.php
index e7b839e..e1ed9ed 100644
--- a/src/Translator.php
+++ b/src/Translator.php
@@ -57,11 +57,12 @@ public function __construct(private readonly array $data, ?string $paramPrefix =
         if(!is_null($paramPrefix)){
             $this->paramPrefix = $paramPrefix;
         }
+        /** @var Rule $rules */
         $rules = \Yii::createObject(array_merge([
             'class' => Rule::class,
         ],$this->data));
-//        $this->_where = $this->buildWhere($this->data);
-        $this->_where = $this->buildWhereO($rules);
+
+        $this->_where = $this->buildWhere($rules);
 
     }
 
@@ -98,66 +99,27 @@ protected function encodeRule(string $field, string $type, array $params): strin
         return $field . " " . (is_null($replacement) ? $pattern : str_replace("?", $replacement, $pattern) );
     }
 
-    /**
-     * @param array<mixed> $data rules configuration
-     * @return string the WHERE clause
-     */
-    protected function buildWhere(array $data) : string
-    {
-        if (!array_key_exists('rules', $data) || !is_array($data['rules']) || count($data['rules']) === 0 ) {
-            return '';
-        }
-
-        $where = [];
-        $condition = " " . $data['condition'] . " ";
-
-        foreach ($data['rules'] as $rule) {
-            if (isset($rule['condition'])) {
-                $where[] = $this->buildWhere($rule);
-            } else {
-                $params = [];
-                $operator = $rule['operator'];
-                $field = $rule['field'];
-                $value = ArrayHelper::getValue($rule, 'value');
-
-                if ($value !== null) {
-                    $i = count($this->_params);
-                    if (!is_array($value)) {
-                        $value = [$value];
-                    }
-
-                    foreach ($value as $v) {
-                        $params[":{$this->paramPrefix}_$i"] = $v;
-                        $i++;
-                    }
-                }
-                $where[] = $this->encodeRule($field, $operator, $params);
-            }
-        }
-        return "(" . implode($condition, $where) . ")";
-    }
-
 
     /**
      * @return string the WHERE clause
      */
-    protected function buildWhereO(Rule $inputRule) : string
+    protected function buildWhere(Rule $rule) : string
     {
-        if(count($inputRule->children) === 0) {
+        if(count($rule->children) === 0) {
             return '';
         }
 
         $where = [];
-        $condition = " " . $inputRule->condition . " ";
+        $condition = " " . $rule->condition . " ";
 
-        foreach ($inputRule->children as $rule) {
-            if (isset($rule->condition)) {
-                $where[] = $this->buildWhereO($rule);
+        foreach ($rule->children as $child) {
+            if (isset($child->condition)) {
+                $where[] = $this->buildWhere($child);
             } else {
                 $params = [];
-                $operator = $rule->operator;
-                $field = $rule->field;
-                $value = ArrayHelper::getValue($rule, 'value');
+                $operator = $child->operator;
+                $field = $child->field;
+                $value = ArrayHelper::getValue($child, 'value');
 
                 if ($value !== null) {
                     $i = count($this->_params);