<?php
/**********************************************************************
    Copyright (C) FrontAccounting, LLC.
	Released under the terms of the GNU General Public License, GPL, 
	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 License here <http://www.gnu.org/licenses/gpl-3.0.html>.
***********************************************************************/
$page_security = 1;
$path_to_root="../..";
include($path_to_root . "/includes/db_pager.inc");
include_once($path_to_root . "/includes/session.inc");

include_once($path_to_root . "/sales/includes/sales_ui.inc");
include_once($path_to_root . "/sales/includes/sales_db.inc");

$js = "";
if ($use_popup_windows)
	$js .= get_js_open_window(900, 500);
if ($use_date_picker)
	$js .= get_js_date_picker();
page(_("Customer Allocation Inquiry"), false, false, "", $js);

if (isset($_GET['customer_id']))
{
	$_POST['customer_id'] = $_GET['customer_id'];
}

//------------------------------------------------------------------------------------------------

if (!isset($_POST['customer_id']))
	$_POST['customer_id'] = get_global_customer();

start_form();

start_table("class='tablestyle_noborder'");
start_row();

customer_list_cells(_("Select a customer: "), 'customer_id', $_POST['customer_id'], true);

date_cells(_("from:"), 'TransAfterDate', '', null, -30);
date_cells(_("to:"), 'TransToDate', '', null, 1);

cust_allocations_list_cells(_("Type:"), 'filterType', null);

check_cells(" " . _("show settled:"), 'showSettled', null);

submit_cells('RefreshInquiry', _("Search"),'',_('Refresh Inquiry'), 'default');

set_global_customer($_POST['customer_id']);

end_row();
end_table();
end_form();
//------------------------------------------------------------------------------------------------
function check_overdue($row)
{
	return ($row['OverDue'] == 1 
		&& (abs($row["TotalAmount"]) - $row["Allocated"] != 0));
}

function order_link($row)
{
	return $row['order_']>0 ?
		get_customer_trans_view_str(systypes::sales_order(), $row['order_'])
		: "";
}

function systype_name($dummy, $type)
{
	return systypes::name($type);
}

function view_link($trans)
{
	return get_trans_view_str($trans["type"], $trans["trans_no"]);
}

function due_date($row)
{
	return $row["type"] == 10 ? $row["due_date"] : '';
}

function fmt_balance($row)
{
	return $row["TotalAmount"] - $row["Allocated"];
}

function alloc_link($row)
{
	$link = 
	pager_link(_("Allocation"),
		"/sales/allocations/customer_allocate.php?trans_no=" . $row["trans_no"] 
		."&trans_type=" . $row["type"], ICON_MONEY);

	if ($row["type"] == 11 && $row['TotalAmount'] > 0)
	{
		/*its a credit note which could have an allocation */
		return $link;
	}
	elseif (($row["type"] == systypes::cust_payment() || $row["type"] == systypes::bank_deposit()) &&
		($row['TotalAmount'] - $row['Allocated']) > 0)
	{
		/*its a receipt  which could have an allocation*/
		return $link;
	}
	elseif ($row["type"] == systypes::cust_payment() && $row['TotalAmount'] < 0)
	{
		/*its a negative receipt */
		return '';
	}
}

function fmt_debit($row)
{
	$value =
	    $row['type']==11 || $row['type']==12 || $row['type']==2 ?
		-$row["TotalAmount"] : $row["TotalAmount"];
	return $value>=0 ? price_format($value) : '';

}

function fmt_credit($row)
{
	$value =
	    !($row['type']==11 || $row['type']==12 || $row['type']==2) ?
		-$row["TotalAmount"] : $row["TotalAmount"];
	return $value>0 ? price_format($value) : '';
}
//------------------------------------------------------------------------------------------------

  $data_after = date2sql($_POST['TransAfterDate']);
  $date_to = date2sql($_POST['TransToDate']);

  $sql = "SELECT 
  		trans.type,
		trans.order_,
		trans.trans_no,
		trans.reference,
		trans.tran_date,
		trans.due_date,
		debtor.name,
		debtor.curr_code,
    	(trans.ov_amount + trans.ov_gst + trans.ov_freight 
			+ trans.ov_freight_tax + trans.ov_discount)	AS TotalAmount,
		trans.alloc AS Allocated,
		((trans.type = 10)
			AND trans.due_date < '" . date2sql(Today()) . "') AS OverDue
    	FROM "
			.TB_PREF."debtor_trans as trans, "
			.TB_PREF."debtors_master as debtor
    	WHERE debtor.debtor_no = trans.debtor_no
			AND (trans.ov_amount + trans.ov_gst + trans.ov_freight 
				+ trans.ov_freight_tax + trans.ov_discount != 0)
    		AND trans.tran_date >= '$data_after'
    		AND trans.tran_date <= '$date_to'";

   	if ($_POST['customer_id'] != reserved_words::get_all())
   		$sql .= " AND trans.debtor_no = '" . $_POST['customer_id'] . "'";

   	if (isset($_POST['filterType']) && $_POST['filterType'] != reserved_words::get_all())
   	{
   		if ($_POST['filterType'] == '1' || $_POST['filterType'] == '2')
   		{
   			$sql .= " AND trans.type = 10 ";
   		}
   		elseif ($_POST['filterType'] == '3')
   		{
			$sql .= " AND trans.type = " . systypes::cust_payment();
   		}
   		elseif ($_POST['filterType'] == '4')
   		{
			$sql .= " AND trans.type = 11 ";
   		}

    	if ($_POST['filterType'] == '2')
    	{
    		$today =  date2sql(Today());
    		$sql .= " AND trans.due_date < '$today'
				AND (round(abs(trans.ov_amount + "
				."trans.ov_gst + trans.ov_freight + "
				."trans.ov_freight_tax + trans.ov_discount) - trans.alloc,6) > 0) ";
    	}
   	}else
   	{
	    $sql .= " AND trans.type != 13 ";
   	}


   	if (!check_value('showSettled'))
   	{
   		$sql .= " AND (round(abs(trans.ov_amount + trans.ov_gst + "
		."trans.ov_freight + trans.ov_freight_tax + "
		."trans.ov_discount) - trans.alloc,6) != 0) ";
   	}
//------------------------------------------------------------------------------------------------

$cols = array(
	_("Type") => array('fun'=>'systype_name'),
	_("#") => array('fun'=>'view_link'),
	_("Reference"), 
	_("Order") => array('fun'=>'order_link'), 
	_("Date") => array('name'=>'tran_date', 'type'=>'date', 'ord'=>'asc'),
	_("Due Date") => array('type'=>'date', 'fun'=>'due_date'),
	_("Customer"), 
	_("Currency") => array('align'=>'center'),
	_("Debit") => array('align'=>'right','fun'=>'fmt_debit'), 
	_("Credit") => array('align'=>'right','insert'=>true, 'fun'=>'fmt_credit'), 
	_("Allocated") => 'amount', 
	_("Balance") => array('type'=>'amount', 'insert'=>true, 'fun'=>'fmt_balance'),
	array('insert'=>true, 'fun'=>'alloc_link')
	);

if ($_POST['customer_id'] != reserved_words::get_all()) {
	$cols[_("Customer")] = 'skip';
	$cols[_("Currency")] = 'skip';
}

$table =& new_db_pager('doc_tbl', $sql, $cols);
$table->set_marker('check_overdue', _("Marked items are overdue."));

if (get_post('RefreshInquiry')) {
	$table->set_sql($sql);
	$table->set_columns($cols);
}
$table->width = "80%";
start_form();

display_db_pager($table);

end_form();
end_page();
?>