<?php

// require_once DOL_DOCUMENT_ROOT.'//class/.class.php';
// require_once DOL_DOCUMENT_ROOT.'//class/.class.php';
// require_once DOL_DOCUMENT_ROOT.'//class/.class.php';


class Jegy
{
    private $user;
    private $db;
    private $qr;
	private $table = [
		'partitioned' => 'jegy_partitioned',
		'active' => 'jegy_active',
		'inactive' => 'jegy_inactive',
		'null' => 'jegy_null',
	];
    public function __construct()
    {
        global $db, $user;
        
        $this->db = $db;
        $this->user = $user;
    }
	
    /**
     * 
     */
    public function generate_hash(int $length = 10):string {
    	// $chars =  'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.'0123456789`-=~!@#$%^&*()_+,./<>?;:[]{}\|';
		$_alphaSmall = 'abcdefghijklmnopqrstuvwxyz';            // small letters
		$_alphaCaps  = strtoupper($_alphaSmall);                // CAPITAL LETTERS
		$_numerics   = '1234567890';                            // numerics
		// $_specialChars = '`~!@#$%^&*()-_=+]}[{;:,<.>/?\'"\|';   // Special Characters
		$_specialChars = '~!@#$%^&*()_=+]}[{;:<.>/?|';   // Special Characters
	
		$rand = [];
		$rand[] = rand(1,2); //specs 1-2
		$rand[] = rand(1, (int)(($length - $rand[0])/3) ); //nums
		$rand[] = rand(1, (int)(($length - $rand[0] - $rand[1])/2) ); //capitals
		
		$passArr = [
			substr(str_shuffle($_specialChars), 0, $rand[0]),
			substr(str_shuffle($_numerics), 0, $rand[1]),
			substr(str_shuffle($_alphaCaps), 0, $rand[2]),
			substr(str_shuffle($_alphaSmall), 0, $length - $rand[0] - $rand[1] - $rand[2]),
		];
		$hash = substr(str_shuffle(implode("",$passArr)), 0, $length);
		
		return $hash;
	}

	public function billTrigger(array $details):bool
	{
		$return = false;
		// return $return;
		list($action, $this->bill, $user, $langs, $conf) = $details;
		if(in_array($action,['BILL_UNPAYED','BILL_MODIFY','BILL_CANCEL','BILL_UNPAYED','BILL_UNVALIDATE'])){
			//inactivate all
			foreach($this->bill->lines as $k=>$line){
				$this->setStatus($line->id);
			}
		}
		// else
		if($action == 'BILL_VALIDATE'){
			//gen jegyz!
			// print_r($details);exit;
			
			
			$add2Db = true;
			// if($add2Db){
				// $this->db->begin();
			// }
			if(count($this->bill->lines) == 1){ //...
				//invoice with qr code can have only 1 item!!!
				foreach($this->bill->lines as $k=>$line){
					if($line->fk_product){
						//set all prev jegyz to inactive!
						$this->setStatus($line->id);
						
						//gen new jegyz & qr code
						$this->getQR($line->fk_product,$line->id, $add2Db);
					}
				}
			}
			// if($add2Db){
				// $this->db->commit();
			// }
			
			$bill = new Facture($this->db);
			// $bill = clone $this->bill;
			if ($bill->fetch($this->bill->id) > 0) {
				if(isset($this->qr)){
					$bill->array_options['options_qr_code'] = implode(",",$this->qr);
				}
				$bill->update($user);
			}
			
			// $this->bill->validate($user, '');
			$return = true;
			// exit;
		}
		elseif($action == 'BILL_PAYED'){
			//activate jegyz
			foreach($this->bill->lines as $k=>$line){
				$this->setStatus($line->id,'fk_facturedet', 'TRUE');
			}
		}
		
		return $return;
	}
	
	protected function loadProduct(int $fk_product): bool
	{
		if(!isset($this->product)){
			$this->product = [];
		}
		if(!isset($this->product[''.$fk_product])){
			require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
			$this->product[''.$fk_product] = new Product($this->db);
			if($result = $this->product[''.$fk_product]->fetch($fk_product)){
				return true;
			}
		}
		return false;
	}
	protected function getQR(int $fk_product,int $fk_facturedet,bool $add2Db=false): bool
	{
		if(isset($this->product[''.$fk_product])){
			//exit from loop!
			return false;
		}
		$this->loadProduct($fk_product);
		//is the item an kit?
		$this->product[''.$fk_product]->get_sousproduits_arbo();
		if($kit=$this->product[''.$fk_product]->get_arbo_each_prod()){
			foreach($kit as $k=>$v){
				$this->getQR($v['id'],$fk_facturedet,$add2Db);
			}
		}
		else{
			$this->jegyz[''.$fk_product] = [
				'fk_facture' => $this->bill->id,
				'fk_facturedet' => $fk_facturedet,
				'fk_product' => $fk_product,
				'hash' => $this->generate_hash(),
				//...
				// 'product' => $this->product[''.$fk_product],
			];
			if($add2Db){
				if($this->jegyz[''.$fk_product]['code'] = $this->insertJegy($this->jegyz[''.$fk_product])){
					$this->qr[] = $this->jegyz[''.$fk_product]['code'];
				}
			}
		}
		return true;
	}
	
	protected function setStatus(int $id, string $by='fk_facturedet', string $active='FALSE'):bool{
		if(in_array($active,['TRUE','FALSE','NULL']) && in_array($by,['fk_facturedet','rowid'])){
			$table = $this->table['partitioned'];
			if($by == 'fk_facturedet'){
				
			}
			elseif($by == 'rowid'){
				$table = $this->table['jegy_active'];
				$table .= ", ".$this->table['jegy_null'];
				
				
				if($active != 'FALSE'){
					//do we need to reset an already inactiveated jegy? hmm?! maybe not.
					$table .= ", ".$this->table['jegy_inactive'];  
					// or if we could not find in active or null should chk in inactive too (or we do already this?! todo: chk pg docs...) :S or reset by fk_facturedet...
				}
			}
			$sql = "UPDATE ".$this->db->prefix().$table." SET ";
			$sql .= " active = ".$this->db->escape($active)."";
			$sql .= ", updated_at = CURRENT_TIMESTAMP ";
			$sql .= " WHERE ".$this->db->escape($by)." = ".$this->db->escape($id)."";
			
			if($by == 'fk_facturedet'){
				$sql .= " AND (active = TRUE OR active IS NULL) "; // <-- !!! becouse it can be a lot of inactivated jegyz for the particular bill... and cant decide wichone to update :S so src only in active and unpaid(==null). ->it works with rowid
			}
			$sql .= " RETURNING rowid ";
			
			$result = $this->db->query($sql);
			if ($result) {
				return true;
			}
		}
		return false;
	}
	protected function insertJegy(array $jegy):?string{
		$code = '';
		$code .= $jegy['hash'].'-'.$jegy['fk_facturedet'].'-';
		$sql = "INSERT INTO ".$this->db->prefix().$this->table['partitioned']." (";
			$sql .= 'hash,active,fk_facturedet,fk_product,created_at';
			// $sql .= ',type';
		$sql .= ") VALUES (";
		
			$sql .= " '".$this->db->escape($jegy['hash'])."'";
			$sql .= ", NULL"; //!!!
			$sql .= ", ".$this->db->escape($jegy['fk_facturedet'])."";
			$sql .= ", ".$this->db->escape($jegy['fk_product'])."";
			$sql .= ", CURRENT_TIMESTAMP";
			// $sql .= ", '".$this->db->escape($jegy['fk_type'])."'";
		$sql .= ");";
		dol_syslog(get_class($this)."::insertJegy", LOG_DEBUG);
		
		$result = $this->db->query($sql);
		if ($result) {
			$id = $this->db->last_insert_id($this->db->prefix().$this->table['partitioned']);
			$code .= $id;
		}
		return $code;
		
	}
}
?>