<?php
/* Copyright (C) 2006-2016	Laurent Destailleur	<eldy@users.sourceforge.net>
 * Copyright (C) 2012		Regis Houssin		<regis.houssin@inodbox.com>
 * Copyright (C) 2015		Alexandre Spangaro	<aspangaro.dolibarr@gmail.com>
 * Copyright (C) 2016		Juanjo Menent   	<jmenent@2byte.es>
 *
 * 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/>.
 * or see http://www.gnu.org/
 */

/**
 * \file       htdocs/core/lib/bank.lib.php
 * \ingroup    bank
 * \brief      Ensemble de fonctions de base pour le module banque
 */

/**
 * Prepare array with list of tabs
 *
 * @param   Account	$object		Object related to tabs
 * @return  array				Array of tabs to show
 */
function bank_prepare_head(Account $object)
{
    global $db, $langs, $conf, $user;
    $h = 0;
    $head = array();

    $head[$h][0] = DOL_URL_ROOT . '/compta/bank/card.php?id=' . $object->id;
    $head[$h][1] = $langs->trans("Card");
    $head[$h][2] = 'bankname';
    $h++;

    $head[$h][0] = DOL_URL_ROOT . "/compta/bank/bankentries_list.php?id=" . $object->id;
    $head[$h][1] = $langs->trans("BankTransactions");
    $head[$h][2] = 'journal';
    $h++;

//    if ($conf->global->MAIN_FEATURES_LEVEL >= 1)
//	{
    $head[$h][0] = DOL_URL_ROOT . "/compta/bank/treso.php?account=" . $object->id;
    $head[$h][1] = $langs->trans("PlannedTransactions");
    $head[$h][2] = 'cash';
    $h++;
//	}

    $head[$h][0] = DOL_URL_ROOT . "/compta/bank/annuel.php?account=" . $object->id;
    $head[$h][1] = $langs->trans("IOMonthlyReporting");
    $head[$h][2] = 'annual';
    $h++;

    $head[$h][0] = DOL_URL_ROOT . "/compta/bank/graph.php?account=" . $object->id;
    $head[$h][1] = $langs->trans("Graph");
    $head[$h][2] = 'graph';
    $h++;

    if ($object->courant != Account::TYPE_CASH)
    {
    	$nbReceipts=0;

    	// List of all standing receipts
    	$sql = "SELECT COUNT(DISTINCT(b.num_releve)) as nb";
    	$sql.= " FROM ".MAIN_DB_PREFIX."bank as b";
    	$sql.= " WHERE b.fk_account = ".$object->id;

    	$resql = $db->query($sql);
    	if ($resql)
    	{
    		$obj = $db->fetch_object($resql);
    		if ($obj) $nbReceipts = $obj->nb;
    		$db->free($resql);
    	}

    	$head[$h][0] = DOL_URL_ROOT."/compta/bank/releve.php?account=".$object->id;
	    $head[$h][1] = $langs->trans("AccountStatements");
	    if (($nbReceipts) > 0) $head[$h][1].= ' <span class="badge">'.($nbReceipts).'</span>';
	    $head[$h][2] = 'statement';
	    $h++;
	}

    // Attached files
    require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
    require_once DOL_DOCUMENT_ROOT.'/core/class/link.class.php';
    $upload_dir = $conf->bank->dir_output . "/" . dol_sanitizeFileName($object->ref);
    $nbFiles = count(dol_dir_list($upload_dir,'files',0,'','(\.meta|_preview.*\.png)$'));
    $nbLinks=Link::count($db, $object->element, $object->id);
    $head[$h][0] = DOL_URL_ROOT . "/compta/bank/document.php?account=" . $object->id;
    $head[$h][1] = $langs->trans("Documents");
    if (($nbFiles+$nbLinks) > 0) $head[$h][1].= ' <span class="badge">'.($nbFiles+$nbLinks).'</span>';
    $head[$h][2] = 'document';
    $h++;

	// Show more tabs from modules
    // Entries must be declared in modules descriptor with line
    // $this->tabs = array('entity:+tabname:Title:@mymodule:/mymodule/mypage.php?id=__ID__');   to add new tab
    // $this->tabs = array('entity:-tabname);   												to remove a tab
    complete_head_from_modules($conf, $langs, $object, $head, $h, 'bank');

    /*$head[$h][0] = DOL_URL_ROOT . "/compta/bank/info.php?id=" . $object->id;
    $head[$h][1] = $langs->trans("Info");
    $head[$h][2] = 'info';
    $h++;*/

	complete_head_from_modules($conf, $langs, $object, $head, $h, 'bank', 'remove');

    return $head;
}
/**
 * Prepare array with list of tabs
 *
 * @param   Object	$object		Object related to tabs
 * @return  array				Array of tabs to shoc
 */
function bank_admin_prepare_head($object)
{
	global $langs, $conf, $user;
	$h = 0;
	$head = array();

	$head[$h][0] = DOL_URL_ROOT . '/admin/bank.php';
	$head[$h][1] = $langs->trans("Miscellaneous");
	$head[$h][2] = 'general';
	$h++;

    $head[$h][0] = DOL_URL_ROOT . '/admin/chequereceipts.php';
    $head[$h][1] = $langs->trans("CheckReceiptShort");
    $head[$h][2] = 'checkreceipts';
    $h++;


	// Show more tabs from modules
	// Entries must be declared in modules descriptor with line
	// $this->tabs = array('entity:+tabname:Title:@mymodule:/mymodule/mypage.php?id=__ID__');   to add new tab
	// $this->tabs = array('entity:-tabname);   												to remove a tab
	complete_head_from_modules($conf, $langs, $object, $head, $h, 'bank_admin');

	$head[$h][0] = DOL_URL_ROOT.'/admin/bank_extrafields.php';
	$head[$h][1] = $langs->trans("ExtraFields");
	$head[$h][2] = 'attributes';
	$h++;

	complete_head_from_modules($conf, $langs, $object, $head, $h, 'bank_admin', 'remove');

	return $head;
}

/**
 * Prepare array with list of tabs
 *
 * @param   Object	$object		Object related to tabs
 * @return  array				Array of tabs to shoc
 */
function various_payment_prepare_head($object)
{

	global $db, $langs, $conf;

	$h = 0;
	$head = array();

	$head[$h][0] = DOL_URL_ROOT.'/compta/bank/various_payment/card.php?id='.$object->id;
	$head[$h][1] = $langs->trans("Card");
	$head[$h][2] = 'card';
	$h++;

    // Show more tabs from modules
    // Entries must be declared in modules descriptor with line
    // $this->tabs = array('entity:+tabname:Title:@mymodule:/mymodule/mypage.php?id=__ID__');   to add new tab
    // $this->tabs = array('entity:-tabname);   												to remove a tab
    complete_head_from_modules($conf,$langs,$object,$head,$h,'various_payment');

	require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
    require_once DOL_DOCUMENT_ROOT.'/core/class/link.class.php';
	$upload_dir = $conf->banque->dir_output . "/" . dol_sanitizeFileName($object->ref);
	$nbFiles = count(dol_dir_list($upload_dir,'files',0,'','(\.meta|_preview.*\.png)$'));
    $nbLinks=Link::count($db, $object->element, $object->id);
	$head[$h][0] = DOL_URL_ROOT.'/compta/bank/various_payment/document.php?id='.$object->id;
	$head[$h][1] = $langs->trans('Documents');
	if (($nbFiles+$nbLinks) > 0) $head[$h][1].= ' <span class="badge">'.($nbFiles+$nbLinks).'</span>';
	$head[$h][2] = 'documents';
	$h++;

	$head[$h][0] = DOL_URL_ROOT.'/compta/bank/various_payment/info.php?id='.$object->id;
	$head[$h][1] = $langs->trans("Info");
	$head[$h][2] = 'info';
	$h++;

	complete_head_from_modules($conf,$langs,$object,$head,$h,'various_payment', 'remove');

	return $head;
}

/**
 *      Check SWIFT informations for a bank account
 *
 *      @param  Account     $account    A bank account
 *      @return boolean                 True if informations are valid, false otherwise
 */
function checkSwiftForAccount($account)
{
    $swift = $account->bic;
    if (preg_match("/^([a-zA-Z]){4}([a-zA-Z]){2}([0-9a-zA-Z]){2}([0-9a-zA-Z]{3})?$/", $swift)) {
        return true;
    } else {
        return false;
    }
}

/**
 *      Check IBAN number informations for a bank account.
 *
 *      @param  Account     $account    A bank account
 *      @return boolean                 True if informations are valid, false otherwise
 */
function checkIbanForAccount($account)
{
    require_once DOL_DOCUMENT_ROOT.'/includes/php-iban/oophp-iban.php';

    $iban = new IBAN($account->iban);
    $check = $iban->Verify();

    if ($check) return true;
    else return false;
}

/**
 * 		Check account number informations for a bank account
 *
 * 		@param	Account		$account    A bank account
 * 		@return boolean           		True if informations are valid, false otherwise
 */
function checkBanForAccount($account)
{
    $country_code = $account->getCountryCode();

    // For compatibility between
    // account of type CompanyBankAccount class (we use number, cle_rib)
    // account of type Account class (we use num_compte, cle)
    if (empty($account->number))
        $account->number = $account->num_compte;
    if (empty($account->cle))
        $account->cle = $account->cle_rib;

    dol_syslog("bank.lib::checkBanForAccount account->code_banque=" . $account->code_banque . " account->code_guichet=" . $account->code_guichet . " account->number=" . $account->number . " account->cle=" . $account->cle . " account->iban=" . $account->iban . " country_code=" . $country_code, LOG_DEBUG);

    if ($country_code == 'FR') { // France rules
        $coef = array(62, 34, 3);
        // Concatenation des differents codes.
        $rib = strtolower(trim($account->code_banque) . trim($account->code_guichet) . trim($account->number) . trim($account->cle));
        // On remplace les eventuelles lettres par des chiffres.
        //$rib = strtr($rib, "abcdefghijklmnopqrstuvwxyz","12345678912345678912345678");	//Ne marche pas
        $rib = strtr($rib, "abcdefghijklmnopqrstuvwxyz", "12345678912345678923456789");
        // Separation du rib en 3 groupes de 7 + 1 groupe de 2.
        // Multiplication de chaque groupe par les coef du tableau

        for ($i = 0, $s = 0; $i < 3; $i++) {
            $code = substr($rib, 7 * $i, 7);
            $s += (0 + (int) $code) * $coef[$i];
        }
        // Soustraction du modulo 97 de $s a 97 pour obtenir la cle
        $cle_rib = 97 - ($s % 97);
        if ($cle_rib == $account->cle) {
            return true;
        }
        return false;
    }

    if ($country_code == 'BE') { // Belgium rules

    }

    if ($country_code == 'ES') { // Spanish rules
        $CCC = strtolower(trim($account->number));
        $rib = strtolower(trim($account->code_banque) . trim($account->code_guichet));
        $cle_rib = strtolower(checkES($rib, $CCC));
        if ($cle_rib == strtolower($account->cle)) {
            return true;
        }
        return false;
    }
    if ($country_code == 'AU') {  // Australian
        if (strlen($account->code_banque) > 7)
            return false; // Sould be 6 but can be 123-456
        else if (strlen($account->code_banque) < 6)
            return false; // Sould be 6
        else
            return true;
    }

    // No particular rule
    // If account is CompanyBankAccount class, we use number
    // If account is Account class, we use num_compte
    if (empty($account->number)) {
        return false;
    }

    return true;
}



/**
 * 	Returns the key for Spanish Banks Accounts
 *
 *  @param	string	$IentOfi	IentOfi
 *  @param	string	$InumCta	InumCta
 *  @return	string				Key
 */
function checkES($IentOfi, $InumCta)
{
    if (empty($IentOfi) || empty($InumCta) || strlen($IentOfi) != 8 || strlen($InumCta) != 10) {
        $keycontrol = "";
        return $keycontrol;
    }

    $ccc = $IentOfi . $InumCta;
    $numbers = "1234567890";

    $i = 0;

    while ($i <= strlen($ccc) - 1) {
        if (strpos($numbers, substr($ccc, $i, 1)) === false) {
            $keycontrol = "";
            return $keycontrol;
        }
        $i++;
    }

    $values = array(1, 2, 4, 8, 5, 10, 9, 7, 3, 6);
    $sum = 0;

    for ($i = 2; $i < 10; $i++) {
        $sum += $values[$i] * substr($IentOfi, $i - 2, 1);
    }

    $key = 11 - $sum % 11;

    if ($key == 10)
        $key = 1;
    if ($key == 11)
        $key = 0;

    $keycontrol = $key;

    $sum = 0;

    for ($i = 0; $i < 11; $i++) {
        $sum += $values[$i] * (int) substr($InumCta, $i, 1);//int to cast result of substr to a number
    }

    $key = 11 - $sum % 11;

    if ($key == 10)
        $key = 1;
    if ($key == 11)
        $key = 0;

    $keycontrol .= $key;
    return $keycontrol;
}
