<?php

class ProductModel {
  public $name = null;
  public $description = null;
  public $sla_id = null;
  public $external = null;
  public $external_id;
  public $productgroup_id = null;
  public $producttech_id = null;
  public $price = null;
  public $price_setup = null;
  public $price_nne = null;
  public $price_nbe = null;
  public $billing_delay = null;
  public $billing_period = null;
  public $ivt_id = null;
  
  public $note = null;
  public $create_by = null;
  public $edit_by = null;
  public $create = null;
  public $edit = null;
  

  public static function create(Array $data) {
    $model = new Product();
    
    foreach($data as $field => $value) {
      if(property_exists(get_called_class(), $field)) {
        $model ->$field = $value;
      }
    }
    
    $me = new User();
    $me->loadMe();

    if($model->create_by === null) {
      $model->create_by = $me->id;
    }
    if($model->edit_by === null) {
      $model->edit_by = $me->id;
    }
    
    return $model;
  }
  
  public static function getOne($id) {
    if(!is_numeric($id) || !$id) {
      throw new Exception("Invalid number", 400);
    }
    $item = [];
    $db = FronkDB::singleton();
    
    $res = $db->select("Product", "*", "id=$id LIMIT 1");
    if($db->num_rows($res)) {
      $data = $db->fetch_object($res);
      $item = new Product($data);
    }
    return $item;
  }
  
  public static function getAll() {
    $items = [];
    
    $db = FronkDB::singleton();
    
    $res = $db->select("Product", "*", "1 = 1 ORDER BY name,producttech_id");
    if($db->num_rows($res)) {
      while($data = $db->fetch_object($res)) {
        $items[] = new Product($data);
      }
    }
    return $items;
    
  }
  
  public static function getFirst() {
    $db = FronkDB::singleton();
    
    $where = self::getSqlFilter($filter);
    $res = $db->select("Product", "*", "$where ORDER BY producttech_id, name LIMIT 1");
    if($db->num_rows($res)) {
      $data = $db->fetch_object($res);
      $item = new Product($data);
      if($item->id) {
        return $item;
      } else {
        return null;
      }
    }
    return null;
  }
  
  public static function search($filter) {
    $items = [];
    $db = FronkDB::singleton();
    
    $where = self::getSqlFilter($filter);
    
    $sql = "SELECT Product.* FROM `Product`
      LEFT JOIN ProductAttribute ON (ProductAttribute.product_id = Product.id)
      LEFT JOIN Producttech ON (Product.producttech_id = Producttech.id)
      LEFT JOIN ProducttechAttribute ON (ProducttechAttribute.producttech_id = Producttech.id)
      WHERE $where
      GROUP BY Product.id";
    
    $res = $db->query($sql);
    //$res = $db->select("Product", "*", "$where ORDER BY name, producttech_id");
    if($db->num_rows($res)) {
      while($data = $db->fetch_object($res)) {
        $items[] = new Product($data);
      }
    }
    return $items;
  }
  
  private static function getSqlFilter($filter) {
    $where = "1=1 ";
    
    $db = FronkDB::singleton();

    //var_dump($filter);exit;
    if(array_key_exists("id", $filter)) {
      $id = $db->escape($filter['id']);
      if($id) {
        $where .= " AND Product.`id` like '%$id%'";
      }
    }
    
    if(array_key_exists("productgroup_id", $filter)) {
      $productgroup_id = $filter['productgroup_id'];
      if(is_numeric($productgroup_id)) {
        $where .= " AND productgroup_id=$productgroup_id";
      }
    }
    
    if(array_key_exists("producttech_id", $filter)) {
      $producttech_id = $filter['producttech_id'];
      if(is_numeric($producttech_id)) {
        $where .= " AND producttech_id=$producttech_id";
      }
    }
    
    if(array_key_exists("name", $filter)) {
      $name = $db->escape($filter['name']);
      if($name) {
        $where .= " AND Product.`name` like '$name'";
      }
    }
    
    if(array_key_exists("nameLike", $filter)) {
      $name = $db->escape($filter['nameLike']);
      if($name) {
        $where .= " AND Product.`name` like '%$name%'";
      }
    }
    
    if(array_key_exists("attributename", $filter)) {
      $attributename = $db->escape($filter['attributename']);
      if($attributename) {
        $where .= " AND ProducttechAttribute.name = '$attributename'";
      }
    }
    
    if(array_key_exists("attributevalue", $filter)) {
      $attributevalue = $db->escape($filter['attributevalue']);
      if($attributevalue) {
        $where .= " AND ProductAttribute.value = '$attributevalue'";
      }
    }
    
    //var_dump($filter, $where);exit;
    return $where;
  }
  
}