<?php

class HeaderModel extends BaseModel {
  public function getHeader($params) {
    $constructor_id = $params['constructor_id'];
    $sql = "SELECT * FROM constructor_list WHERE id = $constructor_id";
    $headerQuery = $this->db->query($sql);
    $headerData = [];

    while ($res = $this->db->fetch_assoc($headerQuery)) {
      if (isset($res['logo']) && !empty($res['logo'])) {
        $res['logo'] = json_decode($res['logo'], true);
      }
      if (isset($res['subscribe']) && !empty($res['subscribe'])) {
        $res['subscribe'] = json_decode($res['subscribe'], true);
      }
      $navigation = $this->getNavItems($constructor_id);
      $res['navigation'] = $navigation;

      $headerData[] = $res;
    }
    return $headerData;
  }
  public function getNavItems($constructor_id) {
    $sql = "SELECT * FROM constructor_items cni WHERE cni.constructor_id = $constructor_id AND type='nav'";
    $navQuery = $this->db->query($sql);
    
    while ($row = $this->db->fetch_assoc($navQuery)) {  
      $navItems[$row['id']] = $row; 
      $navItems[$row['id']]['items'] = [];  
    }
    $tree = [];
    foreach($navItems as $id => $item) {
      if ($item['parent_id'] === null) {
        $tree[] = &$navItems[$id];
      } else {
        $navItems[$item['parent_id']]['items'][] = &$navItems[$id];
      }
    }
    return $tree;
  }
}