<?php

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

  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 = null;
    $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);
        if(!$item->id) {
            return null;
        }
    }

    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 getActive() {
    $items = [];
    
    $db = FronkDB::singleton();
    
    $res = $db->select("Product", "*", "active = 1 ORDER BY name,producttech_id");
    if($db->num_rows($res)) {
      while($data = $db->fetch_object($res)) {
        $items[] = new Product($data);
      }
    }
    return $items;
    
  }
  
  public static function getFirst($filter = false) {
    $db = FronkDB::singleton();
    //var_dump($db);exit;
    $where = self::getSqlFilter($filter);
    
    $sql = "SELECT Product.* FROM `Product`
      LEFT JOIN Productgroup ON (Productgroup.id = Product.id)
      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)
      LEFT JOIN ProductNetwork ON (ProductNetwork.product_id = Product.id)
      WHERE $where
      GROUP BY Product.id
      ORDER BY Productgroup.name,Producttech.name,Product.name LIMIT 1
      ";
    
    //$res = $db->select("Product", "*", "$where ORDER BY producttech_id, name LIMIT 1");
    mfLoghandler::singleton()->debug($sql);
    $res = $db->query($sql);
    
    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 count($filter = false) {
    $db = FronkDB::singleton();
    
    $where = self::getSqlFilter($filter);
    $sql = "SELECT COUNT(*) as cnt FROM (
              SELECT `Product`.id 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)
              LEFT JOIN ProductNetwork ON (ProductNetwork.product_id = Product.id)
              WHERE $where
              GROUP BY Product.id
            ) as p
           ";
    
    mfLoghandler::singleton()->debug($sql);
    $res = $db->query($sql);
    if($db->num_rows($res)) {
      $data = $db->fetch_object($res);
      return $data->cnt;
    }
    return 0;
  }
  
  public static function search($filter, $limit=false) {
    $items = [];
    $db = FronkDB::singleton();
    
    $where = self::getSqlFilter($filter);
    
    $sql = "SELECT Product.* FROM `Product`
      LEFT JOIN Productgroup ON (Productgroup.id = Product.id)
      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)
      LEFT JOIN ProductNetwork ON (ProductNetwork.product_id = Product.id)
      WHERE $where
      GROUP BY Product.id
      ORDER BY Productgroup.name,Producttech.name,Product.name
      ";
    
    mfLoghandler::singleton()->debug($sql);
    if(is_array($limit) && count($limit)) {
      if(is_numeric($limit['start']) && is_numeric($limit['count'])) {
        $sql .= " LIMIT ".$limit['start'].", ".$limit['count'];
      } elseif(is_numeric($limit['count'])) {
        $sql .= " LIMIT ".$limit['count'];
      }
    }
    
    $res = $db->query($sql);
    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) {
        $where .= " AND Product.`id` = '$id'";
      }
    }
    
    if(array_key_exists("active", $filter)) {
      $active = $filter['active'];
      if($active) {
        $where .= " AND Product.`active` = 1";
      } else {
        $where .= " AND Product.`active` = 0";
      }
    }
    
    if(array_key_exists("productgroup_id", $filter)) {
      $productgroup_id = $filter['productgroup_id'];
      if(is_numeric($productgroup_id)) {
        $where .= " AND productgroup_id=$productgroup_id";
      } elseif(is_array($productgroup_id) && count($productgroup_id)) {
        $where .= " AND Product.productgroup_id IN (". implode(",", $productgroup_id).")";
      }
    }
    
    
    if(array_key_exists("producttech_id", $filter)) {
      $producttech_id = $filter['producttech_id'];
      if(is_numeric($producttech_id)) {
        $where .= " AND Product.producttech_id=$producttech_id";
      } elseif(is_array($producttech_id) && count($producttech_id)) {
        $where .= " AND Product.producttech_id IN (". implode(",", $producttech_id).")";
      }
    }
    
    if(array_key_exists("sla_id", $filter)) {
      $sla_id = $filter['sla_id'];
      if(is_numeric($sla_id)) {
        $where .= " AND sla_id=$sla_id";
      } elseif(is_array($sla_id) && count($sla_id)) {
        $where .= " AND Product.sla_id IN (". implode(",", $sla_id).")";
      }
    }

    if(array_key_exists("network_id", $filter)) {
      $network_id = $filter['network_id'];
      if(is_numeric($network_id)) {
        $where .= " AND ProductNetwork.network_id=$network_id";
      } elseif(is_array($network_id) && count($network_id)) {
        $where .= " AND ProductNetwork.network_id IN (". implode(",", $network_id).")";
      }
    }
    
    if(array_key_exists("name", $filter)) {
      $name = $db->escape($filter['name']);
      if($name) {
        $where .= " AND Product.`name` like '$name'";
      }
    }
    
    if(array_key_exists("name%", $filter)) {
      $name = $db->escape($filter['name%']);
      if($name) {
        $where .= " AND Product.`name` like '%$name%'";
      }
    }
    
    if(array_key_exists("external_id", $filter)) {
      $external_id = $filter['external_id'];
      if(is_numeric($external_id)) {
        $where .= " AND external_id=$external_id";
      } elseif(is_array($external_id) && count($external_id)) {
        $where .= " AND Product.external_id IN (". implode(",", $external_id).")";
      }
    }
    
    if(array_key_exists("external", $filter)) {
      $external = $filter['external'];
      if(is_numeric($external)) {
        if($external) {
          $where .= " AND Product.external=1";
        } else {
          $where .= " AND Product.external=0";
        }
      }
    }
    
    
    if(array_key_exists("customer_type", $filter)) {
      $customer_type = $db->escape($filter['customer_type']);
      if($customer_type) {
        $where .= " AND Producttech.`customer_type` = '$customer_type'";
      }
    }
    
    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(strlen($attributevalue)) {
        $where .= " AND ProductAttribute.value = '$attributevalue'";
      }
    }
    
    //var_dump($filter, $where);exit;
    return $where;
  }
  
}