<?php

class ContractLinkModel {
  public $contract_id;
  public $origin_contract_id;
  public $type;
  public $change_action;
  
  public $create_by = null;
  public $edit_by = null;
  public $create = null;
  public $edit = null;
  

  public static function create(Array $data) {
    $model = new ContractLink();
    
    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 getAll() {
    $items = [];
    
    $db = FronkDB::singleton();
    
    $res = $db->select("ContractLink", "*", "1 = 1 ORDER BY contract_id,origin_contract_id");
    if($db->num_rows($res)) {
      while($data = $db->fetch_object($res)) {
        $items[] = new ContractLink($data);
      }
    }
    return $items;
    
  }
  
  public static function getFirst($filter) {
    $db = FronkDB::singleton();
    
    $where = self::getSqlFilter($filter);
    $sql = "SELECT * FROM ContractLink
            WHERE $where
            ORDER BY contract_id,origin_contract_id
            LIMIT 1";
    //var_dump($sql);exit;
    $res = $db->query($sql);
    if($db->num_rows($res)) {
      $data = $db->fetch_object($res);
      $item = new ContractLink($data);
      if($item->id) {
        return $item;
      } else {
        return null;
      }
    }
    return null;
  }
  
  public static function includesContractId($contract_id, $filter=[]) {
    $items = [];
    $db = FronkDB::singleton();
    
    $where = self::getSqlFilter($filter);
    $sql = "SELECT * FROM ContractLink
            WHERE (contract_id=$contract_id OR origin_contract_id=$contract_id)
            AND $where
            ORDER BY contract_id,origin_contract_id";
    
    
    mfLoghandler::singleton()->debug($sql);
    
    $res = $db->query($sql);
    if($db->num_rows($res)) {
      while($data = $db->fetch_object($res)) {
        $items[$data->id] = new ContractLink($data);
      }
    }
    
    return $items;
  }
  
  public static function count($filter) {
    $db = FronkDB::singleton();
    
    $where = self::getSqlFilter($filter);
    $sql = "SELECT COUNT(*) FROM ContractLink
            WHERE $where
            ";
    
    $res = $db->query($sql);
    if($db->num_rows($res)) {
      $data = $db->fetch_object($res);
      return $data->cnt;
    }
    return 0;
  }
  
  public static function search($filter, $limit = false) {
    //var_dump($filter);exit;
    $items = [];
    $db = FronkDB::singleton();
    
    $where = self::getSqlFilter($filter);
    $sql = "SELECT * FROM ContractLink
            WHERE $where
            ORDER BY contract_id,origin_contract_id";
    
    if(is_array($limit) && count($limit)) {
      if(is_numeric($limit['start']) && is_numeric($limit['count'])) {
        $sql .= " LIMIT ".$limit['start'].", ".$limit['count'];
      } elseif(is_numeric($count)) {
        $sql .= " LIMIT ".$limit['count'];
      }
    }
    
    mfLoghandler::singleton()->debug($sql);
    
    $res = $db->query($sql);
    if($db->num_rows($res)) {
      while($data = $db->fetch_object($res)) {
        $items[$data->id] = new ContractLink($data);
      }
    }
    
    return $items;
  }
  
  private static function getSqlFilter($filter) {
    $where = "1=1 ";
    
    $db = FronkDB::singleton();

    //var_dump($filter);exit;
    
    if(array_key_exists("contract_id", $filter)) {
      $contract_id = $filter['contract_id'];
      if(is_numeric($contract_id)) {
        $where .= " AND ContractLink.contract_id = '$contract_id'";
      }
    }
    
    if(array_key_exists("origin_contract_id", $filter)) {
      $origin_contract_id = $filter['origin_contract_id'];
      if(is_numeric($origin_contract_id)) {
        $where .= " AND ContractLink.origin_contract_id = '$origin_contract_id'";
      }
    }
    
    
    
    
    //var_dump($filter, $where);exit;
    return $where;
  }
  
}