<?php
/* Copyright (C) 2004      Rodolphe Quiedeville <rodolphe@quiedeville.org>
 * Copyright (C) 2004-2008 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2005-2009 Regis Houssin        <regis.houssin@capnetworks.com>
 * Copyright (C) 2011-2013 Juanjo Menent        <jmenent@2byte.es>
 * Copyright (C) 2015      Alexandre Spangaro   <aspangaro.dolibarr@gmail.com>
 *
 * 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/admin/taxes.php
 *     \ingroup    tax
 *     \brief      Page de configuration du module tax
 */

require '../main.inc.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';

$langs->load('admin');

if (!$user->admin) accessforbidden();

$action = GETPOST('action','alpha');

// Other parameters ACCOUNTING_*
$list = array (
		'ACCOUNTING_VAT_PAY_ACCOUNT'
);

/*
 * Actions
 */

// 0=normal, 1=option vat for services is on debit

// TAX_MODE=0 (most cases):
//              Buy                     Sell
// Product      On delivery             On delivery
// Service      On payment              On payment

// TAX_MODE=1 (option):
//              Buy                     Sell
// Product      On delivery             On delivery
// Service      On invoice              On invoice

$tax_mode = empty($conf->global->TAX_MODE)?0:$conf->global->TAX_MODE;

if ($action == 'update') {
    $error = 0;

	// Tax mode
	$tax_mode = GETPOST('tax_mode','alpha');

    $db->begin();

    $res = dolibarr_set_const($db, 'TAX_MODE', $tax_mode,'chaine',0,'',$conf->entity);
    if (! $res > 0) $error++;

    switch ($tax_mode)
    {
        case 0:
            $value = 'payment';
            break;
        case 1:
            $value = 'invoice';
            break;
    }

    $res = dolibarr_set_const($db, 'TAX_MODE_SELL_PRODUCT', 'invoice','chaine',0,'',$conf->entity);
    if (! $res > 0) $error++;
    $res = dolibarr_set_const($db, 'TAX_MODE_BUY_PRODUCT', 'invoice','chaine',0,'',$conf->entity);
    if (! $res > 0) $error++;
    $res = dolibarr_set_const($db, 'TAX_MODE_SELL_SERVICE', $value,'chaine',0,'',$conf->entity);
    if (! $res > 0) $error++;
    $res = dolibarr_set_const($db, 'TAX_MODE_BUY_SERVICE', $value,'chaine',0,'',$conf->entity);
    if (! $res > 0) $error++;

	// Others options
    foreach ($list as $constname) {
        $constvalue = GETPOST($constname, 'alpha');

        if (!dolibarr_set_const($db, $constname, $constvalue, 'chaine', 0, '', $conf->entity)) {
            $error++;
        }
    }

    if (! $error) {
        $db->commit();
        setEventMessages($langs->trans("SetupSaved"), null, 'mesgs');
    } else {
        $db->rollback();
        setEventMessages($langs->trans("Error"), null, 'errors');
    }
}


/*
 * View
 */

llxHeader();
$form=new Form($db);

$linkback='<a href="'.DOL_URL_ROOT.'/admin/modules.php">'.$langs->trans("BackToModuleList").'</a>';
print load_fiche_titre($langs->trans('TaxSetup'),$linkback,'title_setup');

dol_fiche_head();

if (empty($mysoc->tva_assuj))
{
    print $langs->trans("YourCompanyDoesNotUseVAT").'<br>';
}
else
{
    print '<table class="noborder" width="100%">';

    // Cas des parametres TAX_MODE_SELL/BUY_SERVICE/PRODUCT
    print '<form action="'.$_SERVER["PHP_SELF"].'" method="post">';
    print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
    print '<input type="hidden" name="action" value="update">';

    print '<tr class="liste_titre">';
    print '<td colspan="2">'.$langs->trans('OptionVatMode').'</td><td>'.$langs->trans('Description').'</td>';
    print "</tr>\n";
    print '<tr '.$bc[false].'><td width="200"><input type="radio" name="tax_mode" value="0"'.($tax_mode != 1 ? ' checked' : '').'> '.$langs->trans('OptionVATDefault').'</td>';
    print '<td colspan="2">'.nl2br($langs->trans('OptionVatDefaultDesc'));
    print "</td></tr>\n";
    print '<tr '.$bc[true].'><td width="200"><input type="radio" name="tax_mode" value="1"'.($tax_mode == 1 ? ' checked' : '').'> '.$langs->trans('OptionVATDebitOption').'</td>';
    print '<td colspan="2">'.nl2br($langs->trans('OptionVatDebitOptionDesc'))."</td></tr>\n";

    print "</table>\n";

    print '<br>';
    print load_fiche_titre($langs->trans("SummaryOfVatExigibilityUsedByDefault"),'','');
    //print ' ('.$langs->trans("CanBeChangedWhenMakingInvoice").')';

    print '<table class="noborder" width="100%">';
    print '<tr class="liste_titre"><td>&nbsp;</td><td>'.$langs->trans("Buy").'</td><td>'.$langs->trans("Sell").'</td></tr>';

    // Products
    print '<tr '.$bc[false].'><td>'.$langs->trans("Product").'</td>';
    print '<td>';
    print $langs->trans("OnDelivery");
    print ' ('.$langs->trans("SupposedToBeInvoiceDate").')';
    print '</td>';
    print '<td>';
    print $langs->trans("OnDelivery");
    print ' ('.$langs->trans("SupposedToBeInvoiceDate").')';
    print '</td></tr>';

    // Services
    print '<tr '.$bc[true].'><td>'.$langs->trans("Services").'</td>';
    print '<td>';
    if ($tax_mode == 0)
    {
        print $langs->trans("OnPayment");
        print ' ('.$langs->trans("SupposedToBePaymentDate").')';
    }
    if ($tax_mode == 1)
    {
        print $langs->trans("OnInvoice");
        print ' ('.$langs->trans("InvoiceDateUsed").')';
    }
    print '</td>';
    print '<td>';
    if ($tax_mode == 0)
    {
        print $langs->trans("OnPayment");
        print ' ('.$langs->trans("SupposedToBePaymentDate").')';
    }
    if ($tax_mode == 1)
    {
        print $langs->trans("OnInvoice");
        print ' ('.$langs->trans("InvoiceDateUsed").')';
    }
    print '</td></tr>';

    print '</table>';
}

print "<br>\n";

/*
 *  Others params
 */
print '<table class="noborder" width="100%">';
print '<tr class="liste_titre">';
print '<td colspan="3">' . $langs->trans('OtherOptions') . '</td>';
print "</tr>\n";

foreach ($list as $key)
{
	$var=!$var;

	print '<tr '.$bc[$var].' class="value">';

	// Param
	$label = $langs->trans($key); 
	print '<td><label for="'.$key.'">'.$label.'</label></td>';

	// Value
	print '<td>';
	print '<input type="text" size="20" id="'.$key.'" name="'.$key.'" value="'.$conf->global->$key.'">';
	print '</td></tr>';
}

print '</table>';

dol_fiche_end();

print '<div class="center">';
print '<input type="submit" class="button" value="' . $langs->trans("Modify") . '" name="button">';
print '</div>';

print '</form>';

llxFooter();
$db->close();
