<?php
/* Copyright (C) 2002      Rodolphe Quiedeville <rodolphe@quiedeville.org>
 * Copyright (C) 2004-2007 Laurent Destailleur  <eldy@users.sourceforge.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

/**
 *      \file       htdocs/compta/sociales/class/paymentsocialcontribution.class.php
 *		\ingroup    facture
 *		\brief      File of class to manage payment of social contributions
 */

require_once DOL_DOCUMENT_ROOT.'/core/class/commonobject.class.php';
require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/chargesociales.class.php';


/**
 *	Class to manage payments of social contributions
 */
class PaymentSocialContribution extends CommonObject
{
	public $element='paiementcharge';			//!< Id that identify managed objects
	public $table_element='paiementcharge';	//!< Name of table without prefix where object is stored

	var $fk_charge;
	var $datec='';
	var $tms='';
	var $datep='';
	/**
	 * @deprecated
	 * @see amount
	 */
	var $total;
    var $amount;            // Total amount of payment
    var $amounts=array();   // Array of amounts
	var $fk_typepaiement;
	var $num_paiement;
	var $fk_bank;
	var $fk_user_creat;
	var $fk_user_modif;

	/**
	 *	Constructor
	 *
	 *  @param		DoliDB		$db      Database handler
	 */
	function __construct($db)
	{
		$this->db = $db;
	}

	/**
	 *  Create payment of social contribution into database.
     *  Use this->amounts to have list of lines for the payment
     *
	 *  @param      User	$user   				User making payment
	 *	@param		int		$closepaidcontrib   	1=Also close payed contributions to paid, 0=Do nothing more
	 *  @return     int     						<0 if KO, id of payment if OK
	 */
	function create($user, $closepaidcontrib=0)
	{
		global $conf, $langs;

		$error=0;

        $now=dol_now();

		dol_syslog(get_class($this)."::create", LOG_DEBUG);
        
		// Validate parametres
		if (! $this->datepaye)
		{
			$this->error='ErrorBadValueForParameterCreatePaymentSocialContrib';
			return -1;
		}

		// Clean parameters
		if (isset($this->fk_charge)) $this->fk_charge=trim($this->fk_charge);
		if (isset($this->amount)) $this->amount=trim($this->amount);
		if (isset($this->fk_typepaiement)) $this->fk_typepaiement=trim($this->fk_typepaiement);
		if (isset($this->num_paiement)) $this->num_paiement=trim($this->num_paiement);
		if (isset($this->note)) $this->note=trim($this->note);
		if (isset($this->fk_bank)) $this->fk_bank=trim($this->fk_bank);
		if (isset($this->fk_user_creat)) $this->fk_user_creat=trim($this->fk_user_creat);
		if (isset($this->fk_user_modif)) $this->fk_user_modif=trim($this->fk_user_modif);

        $totalamount = 0;
        foreach ($this->amounts as $key => $value)  // How payment is dispatch
        {
            $newvalue = price2num($value,'MT');
            $this->amounts[$key] = $newvalue;
            $totalamount += $newvalue;
        }
        $totalamount = price2num($totalamount);

        // Check parameters
        if ($totalamount == 0) return -1; // On accepte les montants negatifs pour les rejets de prelevement mais pas null


		$this->db->begin();

		if ($totalamount != 0)
		{
			$sql = "INSERT INTO ".MAIN_DB_PREFIX."paiementcharge (fk_charge, datec, datep, amount,";
			$sql.= " fk_typepaiement, num_paiement, note, fk_user_creat, fk_bank)";
			$sql.= " VALUES ($this->chid, '".$this->db->idate($now)."',";
			$sql.= " '".$this->db->idate($this->datepaye)."',";
			$sql.= " ".$totalamount.",";
			$sql.= " ".$this->paiementtype.", '".$this->db->escape($this->num_paiement)."', '".$this->db->escape($this->note)."', ".$user->id.",";
			$sql.= " 0)";

			$resql=$this->db->query($sql);
			if ($resql)
			{
				$this->id = $this->db->last_insert_id(MAIN_DB_PREFIX."paiementcharge");
				
				// Insere tableau des montants / factures
				foreach ($this->amounts as $key => $amount)
				{
					$contribid = $key;
					if (is_numeric($amount) && $amount <> 0)
					{
						$amount = price2num($amount);

						// If we want to closed payed invoices
						if ($closepaidcontrib)
						{
							
							$contrib=new ChargeSociales($this->db);
							$contrib->fetch($contribid);
							$paiement = $contrib->getSommePaiement();
							//$creditnotes=$contrib->getSumCreditNotesUsed();
							$creditnotes=0;
							//$deposits=$contrib->getSumDepositsUsed();
							$deposits=0;
							$alreadypayed=price2num($paiement + $creditnotes + $deposits,'MT');
							$remaintopay=price2num($contrib->amount - $paiement - $creditnotes - $deposits,'MT');
							if ($remaintopay == 0)
							{
								$result=$contrib->set_paid($user, '', '');
							}
							else dol_syslog("Remain to pay for conrib ".$contribid." not null. We do nothing.");
						}
					}
				}
			}
			else
			{
				$error++;
			}

		}

		if ($totalamount != 0 && ! $error)
		{
		    $this->amount=$totalamount;
            $this->total=$totalamount;    // deprecated
		    $this->db->commit();
			return $this->id;
		}
		else
		{
			$this->error=$this->db->error();
			$this->db->rollback();
			return -1;
		}
	}

	/**
	 *  Load object in memory from database
	 *
	 *  @param	int		$id         Id object
	 *  @return int         		<0 if KO, >0 if OK
	 */
	function fetch($id)
	{
		global $langs;
		$sql = "SELECT";
		$sql.= " t.rowid,";
		$sql.= " t.fk_charge,";
		$sql.= " t.datec,";
		$sql.= " t.tms,";
		$sql.= " t.datep,";
		$sql.= " t.amount,";
		$sql.= " t.fk_typepaiement,";
		$sql.= " t.num_paiement,";
		$sql.= " t.note,";
		$sql.= " t.fk_bank,";
		$sql.= " t.fk_user_creat,";
		$sql.= " t.fk_user_modif,";
		$sql.= " pt.code as type_code, pt.libelle as type_libelle,";
		$sql.= ' b.fk_account';
		$sql.= " FROM (".MAIN_DB_PREFIX."c_paiement as pt, ".MAIN_DB_PREFIX."paiementcharge as t)";
		$sql.= ' LEFT JOIN '.MAIN_DB_PREFIX.'bank as b ON t.fk_bank = b.rowid';
		$sql.= " WHERE t.rowid = ".$id." AND t.fk_typepaiement = pt.id";

		dol_syslog(get_class($this)."::fetch", LOG_DEBUG);
		$resql=$this->db->query($sql);
		if ($resql)
		{
			if ($this->db->num_rows($resql))
			{
				$obj = $this->db->fetch_object($resql);

				$this->id    = $obj->rowid;
				$this->ref   = $obj->rowid;

				$this->fk_charge = $obj->fk_charge;
				$this->datec = $this->db->jdate($obj->datec);
				$this->tms = $this->db->jdate($obj->tms);
				$this->datep = $this->db->jdate($obj->datep);
				$this->amount = $obj->amount;
				$this->fk_typepaiement = $obj->fk_typepaiement;
				$this->num_paiement = $obj->num_paiement;
				$this->note = $obj->note;
				$this->fk_bank = $obj->fk_bank;
				$this->fk_user_creat = $obj->fk_user_creat;
				$this->fk_user_modif = $obj->fk_user_modif;

				$this->type_code = $obj->type_code;
				$this->type_libelle = $obj->type_libelle;

				$this->bank_account   = $obj->fk_account;
				$this->bank_line      = $obj->fk_bank;
			}
			$this->db->free($resql);

			return 1;
		}
		else
		{
			$this->error="Error ".$this->db->lasterror();
			return -1;
		}
	}


	/**
	 *  Update database
	 *
	 *  @param	User	$user        	User that modify
	 *  @param  int		$notrigger	    0=launch triggers after, 1=disable triggers
	 *  @return int         			<0 if KO, >0 if OK
	 */
	function update($user=null, $notrigger=0)
	{
		global $conf, $langs;
		$error=0;

		// Clean parameters

		if (isset($this->fk_charge)) $this->fk_charge=trim($this->fk_charge);
		if (isset($this->amount)) $this->amount=trim($this->amount);
		if (isset($this->fk_typepaiement)) $this->fk_typepaiement=trim($this->fk_typepaiement);
		if (isset($this->num_paiement)) $this->num_paiement=trim($this->num_paiement);
		if (isset($this->note)) $this->note=trim($this->note);
		if (isset($this->fk_bank)) $this->fk_bank=trim($this->fk_bank);
		if (isset($this->fk_user_creat)) $this->fk_user_creat=trim($this->fk_user_creat);
		if (isset($this->fk_user_modif)) $this->fk_user_modif=trim($this->fk_user_modif);



		// Check parameters
		// Put here code to add control on parameters values

		// Update request
		$sql = "UPDATE ".MAIN_DB_PREFIX."paiementcharge SET";

		$sql.= " fk_charge=".(isset($this->fk_charge)?$this->fk_charge:"null").",";
		$sql.= " datec=".(dol_strlen($this->datec)!=0 ? "'".$this->db->idate($this->datec)."'" : 'null').",";
		$sql.= " tms=".(dol_strlen($this->tms)!=0 ? "'".$this->db->idate($this->tms)."'" : 'null').",";
		$sql.= " datep=".(dol_strlen($this->datep)!=0 ? "'".$this->db->idate($this->datep)."'" : 'null').",";
		$sql.= " amount=".(isset($this->amount)?$this->amount:"null").",";
		$sql.= " fk_typepaiement=".(isset($this->fk_typepaiement)?$this->fk_typepaiement:"null").",";
		$sql.= " num_paiement=".(isset($this->num_paiement)?"'".$this->db->escape($this->num_paiement)."'":"null").",";
		$sql.= " note=".(isset($this->note)?"'".$this->db->escape($this->note)."'":"null").",";
		$sql.= " fk_bank=".(isset($this->fk_bank)?$this->fk_bank:"null").",";
		$sql.= " fk_user_creat=".(isset($this->fk_user_creat)?$this->fk_user_creat:"null").",";
		$sql.= " fk_user_modif=".(isset($this->fk_user_modif)?$this->fk_user_modif:"null")."";


		$sql.= " WHERE rowid=".$this->id;

		$this->db->begin();

		dol_syslog(get_class($this)."::update", LOG_DEBUG);
		$resql = $this->db->query($sql);
		if (! $resql) { $error++; $this->errors[]="Error ".$this->db->lasterror(); }

		if (! $error)
		{
			if (! $notrigger)
			{
				// Uncomment this and change MYOBJECT to your own tag if you
				// want this action call a trigger.

				//// Call triggers
				//include_once DOL_DOCUMENT_ROOT . '/core/class/interfaces.class.php';
				//$interface=new Interfaces($this->db);
				//$result=$interface->run_triggers('MYOBJECT_MODIFY',$this,$user,$langs,$conf);
				//if ($result < 0) { $error++; $this->errors=$interface->errors; }
				//// End call triggers
			}
		}

		// Commit or rollback
		if ($error)
		{
			foreach($this->errors as $errmsg)
			{
				dol_syslog(get_class($this)."::update ".$errmsg, LOG_ERR);
				$this->error.=($this->error?', '.$errmsg:$errmsg);
			}
			$this->db->rollback();
			return -1*$error;
		}
		else
		{
			$this->db->commit();
			return 1;
		}
	}


	/**
	 *  Delete object in database
	 *
	 *  @param	User	$user        	User that delete
	 *  @param  int		$notrigger		0=launch triggers after, 1=disable triggers
	 *  @return int						<0 if KO, >0 if OK
	 */
	function delete($user, $notrigger=0)
	{
		global $conf, $langs;
		$error=0;

		dol_syslog(get_class($this)."::delete");

		$this->db->begin();

	    if ($this->bank_line > 0)
        {
        	$accline = new AccountLine($this->db);
			$accline->fetch($this->bank_line);
			$result = $accline->delete();
			if($result < 0) {
				$this->errors[] = $accline->error;
				$error++;
			}
        }

		if (! $error)
		{
			$sql = "DELETE FROM ".MAIN_DB_PREFIX."paiementcharge";
			$sql.= " WHERE rowid=".$this->id;

			dol_syslog(get_class($this)."::delete", LOG_DEBUG);
			$resql = $this->db->query($sql);
			if (! $resql) { $error++; $this->errors[]="Error ".$this->db->lasterror(); }
		}

		if (! $error)
		{
			if (! $notrigger)
			{
				// Uncomment this and change MYOBJECT to your own tag if you
				// want this action call a trigger.

				//// Call triggers
				//include_once DOL_DOCUMENT_ROOT . '/core/class/interfaces.class.php';
				//$interface=new Interfaces($this->db);
				//$result=$interface->run_triggers('MYOBJECT_DELETE',$this,$user,$langs,$conf);
				//if ($result < 0) { $error++; $this->errors=$interface->errors; }
				//// End call triggers
			}
		}

		// Commit or rollback
		if ($error)
		{
			foreach($this->errors as $errmsg)
			{
				dol_syslog(get_class($this)."::delete ".$errmsg, LOG_ERR);
				$this->error.=($this->error?', '.$errmsg:$errmsg);
			}
			$this->db->rollback();
			return -1*$error;
		}
		else
		{
			$this->db->commit();
			return 1;
		}
	}



	/**
	 *	Load an object from its id and create a new one in database
	 *
	 *	@param	int		$fromid     	Id of object to clone
	 * 	@return	int						New id of clone
	 */
	function createFromClone($fromid)
	{
		global $user,$langs;

		$error=0;

		$object=new PaymentSocialContribution($this->db);

		$object->context['createfromclone'] = 'createfromclone';

		$this->db->begin();

		// Load source object
		$object->fetch($fromid);
		$object->id=0;
		$object->statut=0;

		// Clear fields
		// ...

		// Create clone
		$result=$object->create($user);

		// Other options
		if ($result < 0)
		{
			$this->error=$object->error;
			$error++;
		}

		if (! $error)
		{



		}

		unset($this->context['createfromclone']);

		// End
		if (! $error)
		{
			$this->db->commit();
			return $object->id;
		}
		else
		{
			$this->db->rollback();
			return -1;
		}
	}


	/**
     *  Initialise an instance with random values.
     *  Used to build previews or test instances.
     *	id must be 0 if object instance is a specimen.
     *
     *  @return	void
	 */
	function initAsSpecimen()
	{
		$this->id=0;

		$this->fk_charge='';
		$this->datec='';
		$this->tms='';
		$this->datep='';
		$this->amount='';
		$this->fk_typepaiement='';
		$this->num_paiement='';
		$this->note='';
		$this->fk_bank='';
		$this->fk_user_creat='';
		$this->fk_user_modif='';


	}


    /**
     *      Add record into bank for payment with links between this bank record and invoices of payment.
     *      All payment properties must have been set first like after a call to create().
     *
     *      @param	User	$user               Object of user making payment
     *      @param  string	$mode               'payment_sc'
     *      @param  string	$label              Label to use in bank record
     *      @param  int		$accountid          Id of bank account to do link with
     *      @param  string	$emetteur_nom       Name of transmitter
     *      @param  string	$emetteur_banque    Name of bank
     *      @return int                 		<0 if KO, >0 if OK
     */
    function addPaymentToBank($user,$mode,$label,$accountid,$emetteur_nom,$emetteur_banque)
    {
        global $conf;

        $error=0;

        if (! empty($conf->banque->enabled))
        {
            require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';

            $acc = new Account($this->db);
            $acc->fetch($accountid);

            $total=$this->total;
            if ($mode == 'payment_sc') $total=-$total;

            // Insert payment into llx_bank
            $bank_line_id = $acc->addline(
                $this->datepaye,
                $this->paiementtype,  // Payment mode id or code ("CHQ or VIR for example")
                $label,
                $total,
                $this->num_paiement,
                '',
                $user,
                $emetteur_nom,
                $emetteur_banque
            );

            // Mise a jour fk_bank dans llx_paiement.
            // On connait ainsi le paiement qui a genere l'ecriture bancaire
            if ($bank_line_id > 0)
            {
                $result=$this->update_fk_bank($bank_line_id);
                if ($result <= 0)
                {
                    $error++;
                    dol_print_error($this->db);
                }

                // Add link 'payment', 'payment_supplier', 'payment_sc' in bank_url between payment and bank transaction
                $url='';
                if ($mode == 'payment_sc') $url=DOL_URL_ROOT.'/compta/payment_sc/card.php?id=';
                if ($url)
                {
                    $result=$acc->add_url_line($bank_line_id, $this->id, $url, '(paiement)', $mode);
                    if ($result <= 0)
                    {
                        $error++;
                        dol_print_error($this->db);
                    }
                }

                // Add link 'company' in bank_url between invoice and bank transaction (for each invoice concerned by payment)
                $linkaddedforthirdparty=array();
                foreach ($this->amounts as $key => $value)
                {
                    if ($mode == 'payment_sc')
                    {
                        $socialcontrib = new ChargeSociales($this->db);
                        $socialcontrib->fetch($key);
                        $result=$acc->add_url_line($bank_line_id, $socialcontrib->id, DOL_URL_ROOT.'/compta/charges.php?id=', $socialcontrib->type_libelle.(($socialcontrib->lib && $socialcontrib->lib!=$socialcontrib->type_libelle)?' ('.$socialcontrib->lib.')':''),'sc');
                        if ($result <= 0) dol_print_error($this->db);
                    }
                }
            }
            else
            {
                $this->error=$acc->error;
                $error++;
            }
        }

        if (! $error)
        {
            return 1;
        }
        else
        {
            return -1;
        }
    }


	/**
	 *  Mise a jour du lien entre le paiement de  charge et la ligne dans llx_bank generee
	 *
	 *  @param	int		$id_bank         Id if bank
	 *  @return	int			             >0 if OK, <=0 if KO
	 */
	function update_fk_bank($id_bank)
	{
		$sql = "UPDATE ".MAIN_DB_PREFIX."paiementcharge SET fk_bank = ".$id_bank." WHERE rowid = ".$this->id;

		dol_syslog(get_class($this)."::update_fk_bank", LOG_DEBUG);
		$result = $this->db->query($sql);
		if ($result)
		{
			return 1;
		}
		else
		{
			$this->error=$this->db->error();
			return 0;
		}
	}

	/**
	 *  Return clicable name (with picto eventually)
	 *
	 *	@param	int		$withpicto		0=No picto, 1=Include picto into link, 2=Only picto
	 * 	@param	int		$maxlen			Longueur max libelle
	 *	@return	string					Chaine avec URL
	 */
	function getNomUrl($withpicto=0,$maxlen=0)
	{
		global $langs;

		$result='';

		if (empty($this->ref)) $this->ref=$this->lib;
        $label = $langs->trans("ShowPayment").': '.$this->ref;

		if (!empty($this->id))
		{
			$link = '<a href="'.DOL_URL_ROOT.'/compta/payment_sc/card.php?id='.$this->id.'" title="'.dol_escape_htmltag($label, 1).'" class="classfortooltip">';
			$linkend='</a>';

            if ($withpicto) $result.=($link.img_object($label, 'payment', 'class="classfortooltip"').$linkend.' ');
			if ($withpicto && $withpicto != 2) $result.=' ';
			if ($withpicto != 2) $result.=$link.($maxlen?dol_trunc($this->ref,$maxlen):$this->ref).$linkend;
		}

		return $result;
	}
}


