<?php
/* Copyright (C) 2016       Olivier Geffroy         <jeff@jeffinfo.com>
 * Copyright (C) 2016       Florian Henry           <florian.henry@open-concept.pro>
 * Copyright (C) 2016-2020  Alexandre Spangaro      <aspangaro@open-dsi.fr>
 * Copyright (C) 2018       Frédéric France         <frederic.france@netlogic.fr>
 *
 * 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 <https://www.gnu.org/licenses/>.
 */

/**
 *  \file 		htdocs/accountancy/bookkeeping/balance.php
 *  \ingroup 	Accountancy (Double entries)
 *  \brief 		Balance of book keeping
 */

require '../../main.inc.php';

// Class
require_once DOL_DOCUMENT_ROOT.'/core/lib/accounting.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
require_once DOL_DOCUMENT_ROOT.'/accountancy/class/bookkeeping.class.php';
require_once DOL_DOCUMENT_ROOT.'/accountancy/class/accountingaccount.class.php';
require_once DOL_DOCUMENT_ROOT.'/accountancy/class/accountancyexport.class.php';
require_once DOL_DOCUMENT_ROOT.'/core/class/html.formaccounting.class.php';
require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';

// Load translation files required by the page
$langs->loadLangs(array("accountancy", "compta"));

$page = GETPOSTISSET('pageplusone') ? (GETPOST('pageplusone') - 1) : GETPOST("page", 'int');
$sortorder = GETPOST("sortorder", 'alpha');
$sortfield = GETPOST("sortfield", 'alpha');
$action = GETPOST('action', 'aZ09');

// Load variable for pagination
$limit = GETPOST('limit', 'int') ?GETPOST('limit', 'int') : $conf->liste_limit;
$sortfield = GETPOST('sortfield', 'aZ09comma');
$sortorder = GETPOST('sortorder', 'aZ09comma');
$page = GETPOSTISSET('pageplusone') ? (GETPOST('pageplusone') - 1) : GETPOST("page", 'int');
if (empty($page) || $page == -1 || GETPOST('button_search', 'alpha') || GETPOST('button_removefilter', 'alpha') || (empty($toselect) && $massaction === '0')) { $page = 0; }     // If $page is not defined, or '' or -1 or if we click on clear filters or if we select empty mass action
$offset = $limit * $page;
$pageprev = $page - 1;
$pagenext = $page + 1;
//if (! $sortfield) $sortfield="p.date_fin";
//if (! $sortorder) $sortorder="DESC";

$show_subgroup = GETPOST('show_subgroup', 'alpha');
$search_date_start = dol_mktime(0, 0, 0, GETPOST('date_startmonth', 'int'), GETPOST('date_startday', 'int'), GETPOST('date_startyear', 'int'));
$search_date_end = dol_mktime(23, 59, 59, GETPOST('date_endmonth', 'int'), GETPOST('date_endday', 'int'), GETPOST('date_endyear', 'int'));

$search_accountancy_code_start = GETPOST('search_accountancy_code_start', 'alpha');
if ($search_accountancy_code_start == - 1) {
	$search_accountancy_code_start = '';
}
$search_accountancy_code_end = GETPOST('search_accountancy_code_end', 'alpha');
if ($search_accountancy_code_end == - 1) {
	$search_accountancy_code_end = '';
}

$object = new BookKeeping($db);

$formaccounting = new FormAccounting($db);
$formother = new FormOther($db);
$form = new Form($db);

if (empty($search_date_start) && !GETPOSTISSET('formfilteraction'))
{
	$sql = "SELECT date_start, date_end from ".MAIN_DB_PREFIX."accounting_fiscalyear ";
	$sql .= " WHERE date_start < '".$db->idate(dol_now())."' AND date_end > '".$db->idate(dol_now())."'";
	$sql .= $db->plimit(1);
	$res = $db->query($sql);
	if ($res->num_rows > 0) {
		$fiscalYear = $db->fetch_object($res);
		$search_date_start = strtotime($fiscalYear->date_start);
		$search_date_end = strtotime($fiscalYear->date_end);
	} else {
		$month_start = ($conf->global->SOCIETE_FISCAL_MONTH_START ? ($conf->global->SOCIETE_FISCAL_MONTH_START) : 1);
		$year_start = dol_print_date(dol_now(), '%Y');
		if (dol_print_date(dol_now(), '%m') < $month_start) $year_start--; // If current month is lower that starting fiscal month, we start last year
		$year_end = $year_start + 1;
		$month_end = $month_start - 1;
		if ($month_end < 1)
		{
			$month_end = 12;
			$year_end--;
		}
		$search_date_start = dol_mktime(0, 0, 0, $month_start, 1, $year_start);
		$search_date_end = dol_get_last_day($year_end, $month_end);
	}
}
if ($sortorder == "") $sortorder = "ASC";
if ($sortfield == "") $sortfield = "t.numero_compte";


$param = '';
if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) $param .= '&contextpage='.urlencode($contextpage);
if ($limit > 0 && $limit != $conf->liste_limit) $param .= '&limit='.urlencode($limit);

$filter = array();
if (!empty($search_date_start)) {
	$filter['t.doc_date>='] = $search_date_start;
	$param .= '&amp;date_startmonth='.GETPOST('date_startmonth', 'int').'&amp;date_startday='.GETPOST('date_startday', 'int').'&amp;date_startyear='.GETPOST('date_startyear', 'int');
}
if (!empty($search_date_end)) {
	$filter['t.doc_date<='] = $search_date_end;
	$param .= '&amp;date_endmonth='.GETPOST('date_endmonth', 'int').'&amp;date_endday='.GETPOST('date_endday', 'int').'&amp;date_endyear='.GETPOST('date_endyear', 'int');
}
if (!empty($search_accountancy_code_start)) {
	$filter['t.numero_compte>='] = $search_accountancy_code_start;
	$param .= '&amp;search_accountancy_code_start='.$search_accountancy_code_start;
}
if (!empty($search_accountancy_code_end)) {
	$filter['t.numero_compte<='] = $search_accountancy_code_end;
	$param .= '&amp;search_accountancy_code_end='.$search_accountancy_code_end;
}

/*
 * Action
 */

if (GETPOST('button_removefilter_x', 'alpha') || GETPOST('button_removefilter.x', 'alpha') || GETPOST('button_removefilter', 'alpha')) // All tests are required to be compatible with all browsers
{
	$show_subgroup = '';
	$search_date_start = '';
	$search_date_end = '';
	$search_accountancy_code_start = '';
	$search_accountancy_code_end = '';
	$filter = array();
}


/*
 * View
 */

if ($action == 'export_csv')
{
	$sep = $conf->global->ACCOUNTING_EXPORT_SEPARATORCSV;

	$filename = 'balance';
	$type_export = 'balance';
	include DOL_DOCUMENT_ROOT.'/accountancy/tpl/export_journal.tpl.php';

	$result = $object->fetchAllBalance($sortorder, $sortfield, $limit, 0, $filter);
	if ($result < 0) {
		setEventMessages($object->error, $object->errors, 'errors');
	}

	foreach ($object->lines as $line)
	{
		print length_accountg($line->numero_compte).$sep;
		print $object->get_compte_desc($line->numero_compte).$sep;
		print price($line->debit).$sep;
		print price($line->credit).$sep;
		print price($line->debit - $line->credit).$sep;
		print "\n";
	}

	exit;
}


$title_page = $langs->trans("AccountBalance");

llxHeader('', $title_page);


if ($action != 'export_csv')
{
	// List
	$nbtotalofrecords = '';
	if (empty($conf->global->MAIN_DISABLE_FULL_SCANLIST))
	{
		$nbtotalofrecords = $object->fetchAllBalance($sortorder, $sortfield, 0, 0, $filter);
		if ($nbtotalofrecords < 0) {
			setEventMessages($object->error, $object->errors, 'errors');
		}
	}

	$result = $object->fetchAllBalance($sortorder, $sortfield, $limit, $offset, $filter);
	if ($result < 0) {
		setEventMessages($object->error, $object->errors, 'errors');
	}

	print '<form method="POST" id="searchFormList" action="'.$_SERVER["PHP_SELF"].'">';
	if ($optioncss != '') print '<input type="hidden" name="optioncss" value="'.$optioncss.'">';
	print '<input type="hidden" name="token" value="'.newToken().'">';
	print '<input type="hidden" name="formfilteraction" id="formfilteraction" value="list">';
	print '<input type="hidden" name="action" id="action" value="list">';
	print '<input type="hidden" name="sortfield" value="'.$sortfield.'">';
	print '<input type="hidden" name="sortorder" value="'.$sortorder.'">';
	print '<input type="hidden" name="page" value="'.$page.'">';

	$button = '<input type="button" id="exportcsvbutton" name="exportcsvbutton" class="butAction" value="'.$langs->trans("Export").' ('.$conf->global->ACCOUNTING_EXPORT_FORMAT.')" />';

	print '<script type="text/javascript" language="javascript">
	jQuery(document).ready(function() {
		jQuery("#exportcsvbutton").click(function() {
			event.preventDefault();
			console.log("Set action to export_csv");
			jQuery("#action").val("export_csv");
			jQuery("#searchFormList").submit();
			jQuery("#action").val("list");
		});
	});
	</script>';

	print_barre_liste($title_page, $page, $_SERVER["PHP_SELF"], $param, $sortfield, $sortorder, $button, $result, $nbtotalofrecords, 'title_accountancy', 0, '', '', $limit);

	$moreforfilter = '';

	$moreforfilter .= '<div class="divsearchfield">';
	$moreforfilter .= $langs->trans('DateStart').': ';
	$moreforfilter .= $form->selectDate($search_date_start ? $search_date_start : -1, 'date_start', 0, 0, 1, '', 1, 0);
	$moreforfilter .= $langs->trans('DateEnd').': ';
	$moreforfilter .= $form->selectDate($search_date_end ? $search_date_end : -1, 'date_end', 0, 0, 1, '', 1, 0);

	$moreforfilter .= ' - ';
	$moreforfilter .= '<label for="show_subgroup">'.$langs->trans('ShowSubtotalByGroup').'</label>: ';
	$moreforfilter .= '<input type="checkbox" name="show_subgroup" id="show_subgroup" value="show_subgroup"'.($show_subgroup == 'show_subgroup' ? ' checked' : '').'>';


	$moreforfilter .= '</div>';

	if (!empty($moreforfilter)) {
		print '<div class="liste_titre liste_titre_bydiv centpercent">';
		print $moreforfilter;
		$parameters = array();
		$reshook = $hookmanager->executeHooks('printFieldPreListTitle', $parameters); // Note that $action and $object may have been modified by hook
		print $hookmanager->resPrint;
		print '</div>';
	}

	$colspan = (!empty($conf->global->ACCOUNTANCY_SHOW_OPENING_BALANCE) ? 5 : 4);

	print '<table class="liste '.($moreforfilter ? "listwithfilterbefore" : "").'">';

	print '<tr class="liste_titre_filter">';
	print '<td class="liste_titre" colspan="'.$colspan.'">';
	print $langs->trans('From');
	print $formaccounting->select_account($search_accountancy_code_start, 'search_accountancy_code_start', 1, array(), 1, 1, '');
	print ' ';
	print $langs->trans('to');
	print $formaccounting->select_account($search_accountancy_code_end, 'search_accountancy_code_end', 1, array(), 1, 1, '');
	print '</td>';
	print '<td class="liste_titre center">';
	$searchpicto = $form->showFilterButtons();
	print $searchpicto;
	print '</td>';

	print '</tr>';

	print '<tr class="liste_titre">';
	print_liste_field_titre("AccountAccounting", $_SERVER['PHP_SELF'], "t.numero_compte", "", $param, "", $sortfield, $sortorder);
	if (!empty($conf->global->ACCOUNTANCY_SHOW_OPENING_BALANCE)) print_liste_field_titre("OpeningBalance", $_SERVER['PHP_SELF'], "", $param, "", 'class="right"', $sortfield, $sortorder);
	print_liste_field_titre("Debit", $_SERVER['PHP_SELF'], "t.debit", "", $param, 'class="right"', $sortfield, $sortorder);
	print_liste_field_titre("Credit", $_SERVER['PHP_SELF'], "t.credit", "", $param, 'class="right"', $sortfield, $sortorder);
	print_liste_field_titre("Balance", $_SERVER["PHP_SELF"], "", $param, "", 'class="right"', $sortfield, $sortorder);
	print_liste_field_titre('', $_SERVER["PHP_SELF"], "", $param, "", 'width="60" class="center"', $sortfield, $sortorder);
	print "</tr>\n";

	$total_debit = 0;
	$total_credit = 0;
	$sous_total_debit = 0;
	$sous_total_credit = 0;
	$total_opening_balance = 0;
	$sous_total_opening_balance = 0;
	$displayed_account = "";

	$accountingaccountstatic = new AccountingAccount($db);

	// TODO Debug - This feature is dangerous, it takes all the entries and adds all the accounts
	// without time and class limits (Class 6 and 7 accounts ???) and does not take into account the "a-nouveau" journal.
	if (!empty($conf->global->ACCOUNTANCY_SHOW_OPENING_BALANCE)) {
		$sql = "SELECT t.numero_compte, (SUM(t.debit) - SUM(t.credit)) as opening_balance";
		$sql .= " FROM " . MAIN_DB_PREFIX . "accounting_bookkeeping as t";
		$sql .= " WHERE t.entity = " . $conf->entity;        // Never do sharing into accounting features
		$sql .= " AND t.doc_date < '" . $db->idate($search_date_start) . "'";
		$sql .= " GROUP BY t.numero_compte";

		$resql = $db->query($sql);
		$nrows = $resql->num_rows;
		$opening_balances = array();
		for ($i = 0; $i < $nrows; $i++) {
			$arr = $resql->fetch_array();
			$opening_balances["'" . $arr['numero_compte'] . "'"] = $arr['opening_balance'];
		}
	}

	foreach ($object->lines as $line)
	{
		// reset before the fetch (in case of the fetch fails)
		$accountingaccountstatic->id = 0;
		$accountingaccountstatic->account_number = '';

		$accountingaccountstatic->fetch(null, $line->numero_compte, true);
		if (!empty($accountingaccountstatic->account_number)) {
			$accounting_account = $accountingaccountstatic->getNomUrl(0, 1, 0, '', 0, -1, 0, 'accountcard');
		} else {
			$accounting_account = length_accountg($line->numero_compte);
		}

		$link = '';
		$total_debit += $line->debit;
		$total_credit += $line->credit;
		$opening_balance = isset($opening_balances["'".$line->numero_compte."'"]) ? $opening_balances["'".$line->numero_compte."'"] : 0;
		$total_opening_balance += $opening_balance;

		$tmparrayforrootaccount = $object->getRootAccount($line->numero_compte);
		$root_account_description = $tmparrayforrootaccount['label'];
		$root_account_number = $tmparrayforrootaccount['account_number'];

		//var_dump($tmparrayforrootaccount);
		//var_dump($accounting_account);
		//var_dump($accountingaccountstatic);
		if (empty($accountingaccountstatic->label) && $accountingaccountstatic->id > 0) {
			$link = '<a class="editfielda reposition" href="' . DOL_URL_ROOT . '/accountancy/admin/card.php?action=update&token=' . newToken() . '&id=' . $accountingaccountstatic->id . '">' . img_edit() . '</a>';
		} elseif ($accounting_account == 'NotDefined') {
			$link = '<a href="' . DOL_URL_ROOT . '/accountancy/admin/card.php?action=create&token=' . newToken() . '&accountingaccount=' . length_accountg($line->numero_compte) . '">' . img_edit_add() . '</a>';
		} elseif (empty($tmparrayforrootaccount['label'])) {
			// $tmparrayforrootaccount['label'] not defined = the account has not parent with a parent.
			// This is useless, we should not create a new account when an account has no parent, we must edit it to fix its parent.
			// BUG 1: Accounts on level root or level 1 must not have a parent 2 level higher, so shoule not show a link to create another account.
			// BUG 2: Adding a link to create a new accounting account here is useless because it is not add as parent of the orphelin.
			//$link = '<a href="' . DOL_URL_ROOT . '/accountancy/admin/card.php?action=create&token=' . newToken() . '&accountingaccount=' . length_accountg($line->numero_compte) . '">' . img_edit_add() . '</a>';
		}

		if (!empty($show_subgroup))
		{
			// Show accounting account
			if (empty($displayed_account) || $root_account_number != $displayed_account) {
				// Show subtotal per accounting account
				if ($displayed_account != "") {
					print '<tr class="liste_total">';
					print '<td class="right">'.$langs->trans("SubTotal").':</td>';
					if (!empty($conf->global->ACCOUNTANCY_SHOW_OPENING_BALANCE)) print '<td class="nowrap right">'.price($sous_total_opening_balance).'</td>';
					print '<td class="nowrap right">'.price($sous_total_debit).'</td>';
					print '<td class="nowrap right">'.price($sous_total_credit).'</td>';
					if (!empty($conf->global->ACCOUNTANCY_SHOW_OPENING_BALANCE)) {
						print '<td class="nowrap right">'.price(price2num($sous_total_opening_balance + $sous_total_debit - $sous_total_credit)).'</td>';
					} else {
						print '<td class="nowrap right">'.price(price2num($sous_total_debit - $sous_total_credit)).'</td>';
					}
					print "<td></td>\n";
					print '</tr>';
				}

				// Show first line of a break
				print '<tr class="trforbreak">';
				print '<td colspan="'.($colspan+1).'" style="font-weight:bold; border-bottom: 1pt solid black;">'.$line->numero_compte.($root_account_description ? ' - '.$root_account_description : '').'</td>';
				print '</tr>';

				$displayed_account = $root_account_number;
				$sous_total_debit = 0;
				$sous_total_credit = 0;
				$sous_total_opening_balance = 0;
			}
		}

		print '<tr class="oddeven">';
		print '<td>'.$accounting_account.'</td>';
		if (!empty($conf->global->ACCOUNTANCY_SHOW_OPENING_BALANCE)) print '<td class="nowraponall right">'.price($opening_balance).'</td>';

		$urlzoom = '';
		if ($line->numero_compte) {
			$urlzoom = DOL_URL_ROOT.'/accountancy/bookkeeping/listbyaccount.php?search_accountancy_code_start='.urlencode($line->numero_compte).'&search_accountancy_code_end='.urlencode($line->numero_compte);
			if (GETPOSTISSET('date_startmonth')) {
				$urlzoom .= '&search_date_startmonth='.GETPOST('date_startmonth', 'int').'&search_date_startday='.GETPOST('date_startday', 'int').'&search_date_startyear='.GETPOST('date_startyear', 'int');
			}
			if (GETPOSTISSET('date_endmonth')) {
				$urlzoom .= '&search_date_endmonth='.GETPOST('date_endmonth', 'int').'&search_date_endday='.GETPOST('date_endday', 'int').'&search_date_endyear='.GETPOST('date_endyear', 'int');
			}
		}
		// Debit
		print '<td class="nowraponall right"><a href="'.$urlzoom.'">'.price($line->debit).'</a></td>';
		// Credit
		print '<td class="nowraponall right"><a href="'.$urlzoom.'">'.price($line->credit).'</a></td>';

		if (!empty($conf->global->ACCOUNTANCY_SHOW_OPENING_BALANCE)) {
			print '<td class="nowraponall right">'.price(price2num($opening_balance + $line->debit - $line->credit, 'MT')).'</td>';
		} else {
			print '<td class="nowraponall right">'.price(price2num($line->debit - $line->credit, 'MT')).'</td>';
		}
		print '<td class="center">'.$link;
		print '</td>';
		print "</tr>\n";

		// Records the sub-total
		$sous_total_debit += $line->debit;
		$sous_total_credit += $line->credit;
		$sous_total_opening_balance += $opening_balance;
	}

	if (!empty($show_subgroup))
	{
		print '<tr class="liste_total"><td class="right">'.$langs->trans("SubTotal").':</td>';
		if (!empty($conf->global->ACCOUNTANCY_SHOW_OPENING_BALANCE)) print '<td class="nowrap right">'.price($sous_total_opening_balance).'</td>';
		print '<td class="nowrap right">'.price($sous_total_debit).'</td>';
		print '<td class="nowrap right">'.price($sous_total_credit).'</td>';
		if (!empty($conf->global->ACCOUNTANCY_SHOW_OPENING_BALANCE)) {
			print '<td class="nowrap right">' . price(price2num($sous_total_opening_balance + $sous_total_debit - $sous_total_credit, 'MT')) . '</td>';
		} else {
			print '<td class="nowrap right">' . price(price2num($sous_total_debit - $sous_total_credit, 'MT')) . '</td>';
		}
		print "<td></td>\n";
		print '</tr>';
	}

	print '<tr class="liste_total"><td class="right">'.$langs->trans("AccountBalance").':</td>';
	if (!empty($conf->global->ACCOUNTANCY_SHOW_OPENING_BALANCE)) print '<td class="nowrap right">'.price($total_opening_balance).'</td>';
	print '<td class="nowrap right">'.price($total_debit).'</td>';
	print '<td class="nowrap right">'.price($total_credit).'</td>';
	if (!empty($conf->global->ACCOUNTANCY_SHOW_OPENING_BALANCE)) {
		print '<td class="nowrap right">' . price(price2num($total_opening_balance + $total_debit - $total_credit, 'MT')) . '</td>';
	} else {
		print '<td class="nowrap right">' . price(price2num($total_debit - $total_credit, 'MT')) . '</td>';
	}
	print "<td></td>\n";
	print '</tr>';

	print "</table>";
	print '</form>';
}

// End of page
llxFooter();
$db->close();
