<?php 

class EcmDeleteDocument{
    
    public $module;
    public $module_class;
    public $id;
    public $db;
    public $item_list;
    public $codes;
    public $type;
    private $last;
    private $error;
    public $types=array('EcmStockDocOuts'=>'1' ,'EcmStockDocIns'=>'0','EcmStockDocInsideIns'=>'0','EcmStockDocInsideOuts'=>'1','EcmStockDocMoves'=>'2','EcmStockDocCorrects'=>'3','EcmInvoiceOuts'=>'1');
    
    function __construct ($module, $id,$type)
    {
        $this->module=$module;
        $this->module_class=substr($module, 0, -1);
        $this->id=$id;
        if($type!=''){
            $this->type=$type;
        }
        $this->db=$GLOBALS['db'];
        $this->error=true;
        $this->codes='';
        $this->last=false;
    }
    
    function isLast(){
        if($this->types[$this->module]==2){
            $module = new $this->module_class();
            $module->retrieve($this->id);
            $zap=$this->db->query("select id from ".strtolower($this->module_class.'s')." where stock_in_id='".$module->stock_in_id."' and deleted=0 order by date_entered desc limit 1");
            $dane=$this->db->fetchByAssoc($zap);
            if($dane['id']==$this->id){
             //   $this->error=true;
            } else {
                $this->error=false;
            }
        }
        if($this->module=='EcmInvoiceOuts'){
            $module = new $this->module_class();
            $module->retrieve($this->id);
            $zap=$this->db->query("select id from ".strtolower($this->module_class.'s')." where stock_id='".$module->stock_id."' and type='".$module->type."' and deleted=0 order by document_autoincrement desc limit 1");

            $dane=$this->db->fetchByAssoc($zap);
            if($dane['id']==$this->id){
                //$this->error=true;
            } else {
                $this->error=false;
            }
        }else {
            $module = new $this->module_class();
            $module->retrieve($this->id);
            $zap=$this->db->query("select id from ".strtolower($this->module_class.'s')." where stock_id='".$module->stock_id."' and deleted=0 order by date_entered desc limit 1");
            $dane=$this->db->fetchByAssoc($zap);
            if($dane['id']==$this->id){
                //$this->error=true;
            } else {
                $this->error=false;
            }
        }
    }
   
    function removeIsPossible()
    {
          $module = new $this->module_class();
          $module->retrieve($this->id);
          if($module->deleted==1){
              $this->error=false;
          }
          $this->getItemList();
          $this->checkStates();
          $this->isLast();
        
          return $this->error;
    }
    
    function cancelIsPossible()
    {
        $module = new $this->module_class();
        $module->retrieve($this->id);
        if($module->canceled==1){
            $this->error=false;
        }
        $this->getItemList();
        $this->checkStates();
        
        return $this->error;
    } 
    
    function refreshState()
    {
        
    }
    
    function rebuildKsDocs()
    {
        foreach ($this->item_list as $key=>$val){
            $query="select id,quantity,used,in_id from ecmstockoperations where documentitem_id='".$val['id']."'";
            $row=$this->db->query($query);
    
            while($res=$this->db->fetchByAssoc($row)){
                if($val['quantity']<0){
                    $query="select id,used from ecmstockoperations where id='".$res['in_id']."'";
    
                    $row2=$this->db->query($query);
                    $res2=$this->db->fetchByAssoc($row2);
                    if($res2['used']==1){
    
                        $this->db->query('update ecmstockoperations set used="0" where id="'.$res2['id'].'"');
                    }
                }
            }
    
        }
    }
    function rebuildMmDocs()
    {
        foreach ($this->item_list as $key=>$val){
            $query="select id,quantity,used,in_id from ecmstockoperations where documentitem_id='".$val['id']."' and type='1'";
            $row=$this->db->query($query);

            while($res=$this->db->fetchByAssoc($row)){
               
                $query="select id,used from ecmstockoperations where id='".$res['in_id']."'";
    
                $row2=$this->db->query($query);
                $res2=$this->db->fetchByAssoc($row2);
            
                if($res2['used']==1){
    
                    $this->db->query('update ecmstockoperations set used="0" where id="'.$res2['id'].'"');
    
                }
            }
    
        }
    }
    function rebuildInsDocs()
    {
        foreach ($this->item_list as $key=>$val){
            $query="select id,quantity,used,in_id from ecmstockoperations where documentitem_id='".$val['id']."'";
            $row=$this->db->query($query);
        
            while($res=$this->db->fetchByAssoc($row)){
                    $query="select id,used from ecmstockoperations where id='".$res['in_id']."'";
                    
                    $row2=$this->db->query($query);
                    $res2=$this->db->fetchByAssoc($row2);
                    if($res2['used']==1){
          
                        $this->db->query('update ecmstockoperations set used="0" where id="'.$res2['id'].'"');
                    
                }
            }

        }
    }
    
    function cancelDoc()
    {
   
        if($this->error!=false){
            if($this->types[$this->module]==1){
                $this->rebuildInsDocs();
    
            }
            if($this->types[$this->module]==2){
                $this->rebuildMmDocs();
            }
            if($this->types[$this->module]==3){
                $this->rebuildKsDocs();
            }
    
            $this->db->query("delete from ecmstockoperations where parent_id='".$this->id."'");
            $this->db->query("update ".strtolower($this->module)." set canceled='1', pdf_text='Dokument został anulowany' where id='".$this->id."'");
            $this->db->query("update ecmtransactions set deleted=1 where record_id='".$this->id."'");
            $ss=new EcmStockState();
            foreach ($this->item_list as $key=>$val){
                $w=$this->db->query("select id from ecmstocks where deleted='0'");
                while($r=$this->db->fetchByAssoc($w)){
                    $ss->UpdateStockState($r['id'],$val['ecmproduct_id']);
                }
            }
    
        }
    }
    
    function removeDoc()
    {
        if($this->error!=false){
            if($this->types[$this->module]==1){
             $this->rebuildInsDocs();
          
            }
            if($this->types[$this->module]==2){
                $this->rebuildMmDocs();
            }
            if($this->types[$this->module]==3){
                $this->rebuildKsDocs();
            }
            
            $this->db->query("delete from ecmstockoperations where parent_id='".$this->id."'");
            $this->db->query("update ecmtransactions set deleted=1 where record_id='".$this->id."'");
            $this->db->query("update ".strtolower($this->module)." set deleted='1', pdf_text='Dokument został anulowany' where id='".$this->id."'");
          
            $ss=new EcmStockState();
            foreach ($this->item_list as $key=>$val){
                $w=$this->db->query("select id from ecmstocks where deleted='0'");
                while($r=$this->db->fetchByAssoc($w)){
                    $ss->UpdateStockState($r['id'],$val['ecmproduct_id']);
                } 
            }

        }
    }
    
    function getItemList()
    {
        $query="select id,ecmproduct_id,code,name,quantity from ".strtolower($this->module_class)."items where ".strtolower($this->module_class)."_id='".$this->id."'";
        $this->item_list=array();
        $zap=$this->db->query($query);
        while($res=$this->db->fetchByAssoc($zap)){
            $this->item_list[]=$res;
        }
    }
    
    function checkStates()
    {
        if($this->types[$this->module]==0){
            foreach ($this->item_list as $key=>$val){
                $query="select id,quantity,used from ecmstockoperations where documentitem_id='".$val['id']."'";
                $row=$this->db->query($query);
    
                $res=$this->db->fetchByAssoc($row);
              
                if($res['used']!=0){
                    $this->error=false;
                }
                $query="select sum(quantity) as quantity from ecmstockoperations where in_id='".$res['id']."'";
    
                $row=$this->db->query($query);
                $res=$this->db->fetchByAssoc($row);
    
                if($res['quantity']!='')$this->error=false;
                $this->codes.=$val['code'].',';
            }
        }
        if($this->types[$this->module]==1){
        	$module = new $this->module_class();
        	$module->retrieve($this->id);
        	if($module->type=='correct'){
        		foreach ($this->item_list as $key=>$val){
        			$query="select id,quantity,used from ecmstockoperations where documentitem_id='".$val['id']."'";
        			$row=$this->db->query($query);
        	
        			$res=$this->db->fetchByAssoc($row);
        	
        			if($res['used']!=0){
        				$this->error=false;
        			}
        			$query="select sum(quantity) as quantity from ecmstockoperations where in_id='".$res['id']."'";
        	
        			$row=$this->db->query($query);
        			$res=$this->db->fetchByAssoc($row);
        	
        			if($res['quantity']!='')$this->error=false;
        			$this->codes.=$val['code'].',';
        		}
        	}
        }
        if($this->types[$this->module]==2){
            foreach ($this->item_list as $key=>$val){
                $query="select id,quantity,used from ecmstockoperations where documentitem_id='".$val['id']."' where type=0";
                $row=$this->db->query($query);
            
                $res=$this->db->fetchByAssoc($row);
                 
                if($res['used']!=0){
                    $this->error=false;
                }
                $query="select sum(quantity) as quantity from ecmstockoperations where in_id='".$res['id']."'";
            
                $row=$this->db->query($query);
                $res=$this->db->fetchByAssoc($row);
            
                if($res['quantity']!='')$this->error=false;
                $this->codes.=$val['code'].',';
            }
        }
        // for KS
        if($this->types[$this->module]==3){
            foreach ($this->item_list as $key=>$val){
                if($val['quantity']<0){
                    continue;
        
                }
                $query="select id,quantity,used from ecmstockoperations where documentitem_id='".$val['id']."'";
                $row=$this->db->query($query);
        
                $res=$this->db->fetchByAssoc($row);
                 
                if($res['used']!=0){
                    $this->error=false;
                }
                $query="select sum(quantity) as quantity from ecmstockoperations where in_id='".$res['id']."'";
        
                $row=$this->db->query($query);
                $res=$this->db->fetchByAssoc($row);
        
                if($res['quantity']!='')$this->error=false;
                $this->codes.=$val['code'].',';
            }
        } 

    }
}

?>