<?php
/* Copyright (C) 2012-2013	Christophe Battarel	<christophe.battarel@altairis.fr>
 * Copyright (C) 2014		Ferran Marcet		<fmarcet@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/>.
 */

/**
 *	\file       htdocs/margin/productMargins.php
 *	\ingroup    margin
 *	\brief      Page des marges par produit
 */

require '../main.inc.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
require_once DOL_DOCUMENT_ROOT.'/margin/lib/margins.lib.php';

$langs->load("companies");
$langs->load("bills");
$langs->load("products");
$langs->load("margins");

$id = GETPOST('id', 'int');
$ref = GETPOST('ref', 'alpha');
$action=GETPOST('action','alpha');
$confirm=GETPOST('confirm','alpha');

// Security check
$fieldvalue = (! empty($id) ? $id : (! empty($ref) ? $ref : ''));
$fieldtype = (! empty($ref) ? 'ref' : 'rowid');
if (! empty($user->societe_id)) $socid=$user->societe_id;
$result=restrictedArea($user,'produit|service',$fieldvalue,'product&product','','',$fieldtype);

$mesg = '';

$sortfield = GETPOST("sortfield",'alpha');
$sortorder = GETPOST("sortorder",'alpha');
if (! $sortorder) $sortorder="ASC";
if (! $sortfield)
{
	if ($id > 0)
	{
		$sortfield="f.datef";
		$sortorder="DESC";
	}
	else
	{
	    $sortfield="p.ref";
	    $sortorder="ASC";
	}
}

$page = GETPOST("page",'int');
if ($page == -1) { $page = 0; }
$offset = $conf->liste_limit * $page;
$pageprev = $page - 1;
$pagenext = $page + 1;

$startdate=$enddate='';

if (!empty($_POST['startdatemonth']))
  $startdate  = dol_mktime(0, 0, 0, $_POST['startdatemonth'], $_POST['startdateday'], $_POST['startdateyear']);
if (!empty($_POST['enddatemonth']))
  $enddate  = dol_mktime(23, 59, 59, $_POST['enddatemonth'], $_POST['enddateday'], $_POST['enddateyear']);


/*
 * View
 */

$product_static = new Product($db);
$invoicestatic=new Facture($db);

$form = new Form($db);

llxHeader('',$langs->trans("Margins").' - '.$langs->trans("Products"));

$text=$langs->trans("Margins");
//print_fiche_titre($text);

// Show tabs
$head=marges_prepare_head($user);
$titre=$langs->trans("Margins");
$picto='margin';
dol_fiche_head($head, 'productMargins', $titre, 0, $picto);

print '<form method="post" name="sel" action="'.$_SERVER['PHP_SELF'].'">';
print '<table class="border" width="100%">';

if ($id > 0) {

  print '<tr><td width="20%">'.$langs->trans('ChooseProduct/Service').'</td>';
  print '<td colspan="4">';
  print $form->select_produits($id,'id','',20,0,1,2,'',1);
  print '</td></tr>';

  print '<tr><td width="20%">'.$langs->trans('AllProducts').'</td>';
  print '<td colspan="4"><input type="checkbox" id="all" /></td></tr>';

  if (! $sortorder) $sortorder="DESC";
  if (! $sortfield) $sortfield="f.datef";
}
else {
	print '<tr><td width="20%">'.$langs->trans('ChooseProduct/Service').'</td>';
	print '<td colspan="4">';
	print $form->select_produits('','id','',20,0,1,2,'',1);
	print '</td></tr>';

}

// Start date
print '<td>'.$langs->trans('StartDate').' ('.$langs->trans("DateValidation").')</td>';
print '<td width="20%">';
$form->select_date($startdate,'startdate','','',1,"sel",1,1);
print '</td>';
print '<td width="20%">'.$langs->trans('EndDate').' ('.$langs->trans("DateValidation").')</td>';
print '<td width="20%">';
$form->select_date($enddate,'enddate','','',1,"sel",1,1);
print '</td>';
print '<td style="text-align: center;">';
print '<input type="submit" class="button" value="'.dol_escape_htmltag($langs->trans('Launch')).'" />';
print '</td></tr>';

print "</table>";

print '<br>';

print '<table class="border" width="100%">';

// Total Margin
print '<tr><td width="20%">'.$langs->trans("TotalMargin").'</td><td colspan="4">';
print '<span id="totalMargin"></span>'; // set by jquery (see below)
print '</td></tr>';

// Margin Rate
if (! empty($conf->global->DISPLAY_MARGIN_RATES)) {
	print '<tr><td width="20%">'.$langs->trans("MarginRate").'</td><td colspan="4">';
	print '<span id="marginRate"></span>'; // set by jquery (see below)
	print '</td></tr>';
}

// Mark Rate
if (! empty($conf->global->DISPLAY_MARK_RATES)) {
	print '<tr><td width="20%">'.$langs->trans("MarkRate").'</td><td colspan="4">';
	print '<span id="markRate"></span>'; // set by jquery (see below)
	print '</td></tr>';
}

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

$sql = "SELECT p.label, p.rowid, p.fk_product_type, p.ref,";
if ($id > 0) $sql.= " d.fk_product,";
if ($id > 0) $sql.= " f.rowid as facid, f.facnumber, f.total as total_ht, f.datef, f.paye, f.fk_statut as statut,";
$sql.= " sum(d.total_ht) as selling_price,";
$sql.= " sum(".$db->ifsql('d.total_ht < 0','d.qty * d.buy_price_ht * -1','d.qty * d.buy_price_ht').") as buying_price,";
$sql.= " sum(".$db->ifsql('d.total_ht < 0','-1 * (abs(d.total_ht) - (d.buy_price_ht * d.qty))','d.total_ht - (d.buy_price_ht * d.qty)').") as marge";
$sql.= " FROM ".MAIN_DB_PREFIX."societe as s";
$sql.= ", ".MAIN_DB_PREFIX."product as p";
$sql.= ", ".MAIN_DB_PREFIX."facture as f";
$sql.= ", ".MAIN_DB_PREFIX."facturedet as d";
$sql.= " WHERE f.entity = ".$conf->entity;
$sql.= " AND f.fk_soc = s.rowid";
$sql.= " AND d.fk_product = p.rowid";
$sql.= " AND f.fk_statut > 0";
$sql.= " AND d.fk_facture = f.rowid";
if ($id > 0)
	$sql.= " AND d.fk_product =".$id;
if (!empty($startdate))
  $sql.= " AND f.datef >= '".$db->idate($startdate)."'";
if (!empty($enddate))
  $sql.= " AND f.datef <= '".$db->idate($enddate)."'";
$sql .= " AND d.buy_price_ht IS NOT NULL";
if (isset($conf->global->ForceBuyingPriceIfNull) && $conf->global->ForceBuyingPriceIfNull == 1)
	$sql .= " AND d.buy_price_ht <> 0";
if ($id > 0) $sql.= " GROUP BY p.label, p.rowid, p.fk_product_type, p.ref, d.fk_product, f.rowid, f.facnumber, f.total, f.datef, f.paye, f.fk_statut";
else $sql.= " GROUP BY p.label, p.rowid, p.fk_product_type, p.ref";
$sql.=$db->order($sortfield,$sortorder);
// TODO: calculate total to display then restore pagination
//$sql.= $db->plimit($conf->liste_limit +1, $offset);

dol_syslog('margin::productMargins.php', LOG_DEBUG);
$result = $db->query($sql);
if ($result)
{
	$num = $db->num_rows($result);

	print '<br>';
	print_barre_liste($langs->trans("MarginDetails"),$page,$_SERVER["PHP_SELF"],"&amp;id=".$id,$sortfield,$sortorder,'',0,0,'');

	$i = 0;
	print "<table class=\"noborder\" width=\"100%\">";

	print '<tr class="liste_titre">';
	if ($id > 0) {
  		print_liste_field_titre($langs->trans("Invoice"),$_SERVER["PHP_SELF"],"f.facnumber","","&amp;id=".$id,'',$sortfield,$sortorder);
  		print_liste_field_titre($langs->trans("DateInvoice"),$_SERVER["PHP_SELF"],"f.datef","","&amp;id=".$id,'align="center"',$sortfield,$sortorder);
  	}
  	else
  		print_liste_field_titre($langs->trans("ProductService"),$_SERVER["PHP_SELF"],"p.ref","","&amp;id=".$id,'',$sortfield,$sortorder);
	print_liste_field_titre($langs->trans("SellingPrice"),$_SERVER["PHP_SELF"],"selling_price","","&amp;id=".$id,'align="right"',$sortfield,$sortorder);
	print_liste_field_titre($langs->trans("BuyingPrice"),$_SERVER["PHP_SELF"],"buying_price","","&amp;id=".$id,'align="right"',$sortfield,$sortorder);
	print_liste_field_titre($langs->trans("Margin"),$_SERVER["PHP_SELF"],"marge","","&amp;id=".$id,'align="right"',$sortfield,$sortorder);
	if (! empty($conf->global->DISPLAY_MARGIN_RATES))
		print_liste_field_titre($langs->trans("MarginRate"),$_SERVER["PHP_SELF"],"","","&amp;id=".$id,'align="right"',$sortfield,$sortorder);
	if (! empty($conf->global->DISPLAY_MARK_RATES))
		print_liste_field_titre($langs->trans("MarkRate"),$_SERVER["PHP_SELF"],"","","&amp;id=".$id,'align="right"',$sortfield,$sortorder);
	print "</tr>\n";

	$cumul_achat = 0;
	$cumul_vente = 0;
	$rounding = min($conf->global->MAIN_MAX_DECIMALS_UNIT,$conf->global->MAIN_MAX_DECIMALS_TOT);

	if ($num > 0)
	{
		$var=True;

		while ($i < $num /*&& $i < $conf->liste_limit*/)
		{
			$objp = $db->fetch_object($result);
			$pa = $objp->buying_price;
			$pv = $objp->selling_price;
			$marge = $objp->marge;

			if ($marge < 0)
			{
				$marginRate = ($pa != 0)?-1*(100 * $marge / $pa):'' ;
				$markRate = ($pv != 0)?-1*(100 * $marge / $pv):'' ;
			}
			else
			{
				$marginRate = ($pa != 0)?(100 * $marge / $pa):'' ;
				$markRate = ($pv != 0)?(100 * $marge / $pv):'' ;
			}

			$var=!$var;

			print "<tr ".$bc[$var].">";
			if ($id > 0) {
				print '<td>';
				$invoicestatic->id=$objp->facid;
				$invoicestatic->ref=$objp->facnumber;
				print $invoicestatic->getNomUrl(1);
				print "</td>\n";
				print "<td align=\"center\">";
				print dol_print_date($db->jdate($objp->datef),'day')."</td>";
			}
			else {
				print '<td>';
				$product_static->type=$objp->fk_product_type;
				$product_static->id=$objp->rowid;
				$product_static->ref=$objp->ref;
				$product_static->label=$objp->label;
				$text=$product_static->getNomUrl(1);
				print $text.= ' - '.$objp->label;
				print "</td>\n";
				//print "<td>".$product_static->getNomUrl(1)."</td>\n";
			}
			print "<td align=\"right\">".price($pv, null, null, null, null, $rounding)."</td>\n";
			print "<td align=\"right\">".price($pa, null, null, null, null, $rounding)."</td>\n";
			print "<td align=\"right\">".price($marge, null, null, null, null, $rounding)."</td>\n";
			if (! empty($conf->global->DISPLAY_MARGIN_RATES))
				print "<td align=\"right\">".(($marginRate === '')?'n/a':price($marginRate, null, null, null, null, $rounding)."%")."</td>\n";
			if (! empty($conf->global->DISPLAY_MARK_RATES))
				print "<td align=\"right\">".(($markRate === '')?'n/a':price($markRate, null, null, null, null, $rounding)."%")."</td>\n";
			print "</tr>\n";

			$i++;
			$cumul_achat += $objp->buying_price;
			$cumul_vente += $objp->selling_price;
		}

	}

	// affichage totaux marges
	$var=!$var;
	$totalMargin = $cumul_vente - $cumul_achat;
	if ($totalMargin < 0)
	{
		$marginRate = ($cumul_achat != 0)?-1*(100 * $totalMargin / $cumul_achat):'';
		$markRate = ($cumul_vente != 0)?-1*(100 * $totalMargin / $cumul_vente):'';
	}
	else
	{
		$marginRate = ($cumul_achat != 0)?(100 * $totalMargin / $cumul_achat):'';
		$markRate = ($cumul_vente != 0)?(100 * $totalMargin / $cumul_vente):'';
	}
	print '<tr class="liste_total">';
	if ($id > 0)
		print '<td colspan=2>';
	else
		print '<td>';
	print $langs->trans('TotalMargin')."</td>";
	print "<td align=\"right\">".price($cumul_vente, null, null, null, null, $rounding)."</td>\n";
	print "<td align=\"right\">".price($cumul_achat, null, null, null, null, $rounding)."</td>\n";
	print "<td align=\"right\">".price($totalMargin, null, null, null, null, $rounding)."</td>\n";
	if (! empty($conf->global->DISPLAY_MARGIN_RATES))
		print "<td align=\"right\">".(($marginRate === '')?'n/a':price($marginRate, null, null, null, null, $rounding)."%")."</td>\n";
	if (! empty($conf->global->DISPLAY_MARK_RATES))
		print "<td align=\"right\">".(($markRate === '')?'n/a':price($markRate, null, null, null, null, $rounding)."%")."</td>\n";
	print "</tr>\n";

	print "</table>";
}
else
{
	dol_print_error($db);
}
$db->free($result);


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

?>

<script type="text/javascript">
$(document).ready(function() {

  $("#all").change(function() {
    $("#id").val('').change();
  });

  $("#id").change(function() {
     $("div.fiche form").submit();
  });

  $("#totalMargin").html("<?php echo price($totalMargin, null, null, null, null, $rounding); ?>");
  $("#marginRate").html("<?php echo (($marginRate === '')?'n/a':price($marginRate, null, null, null, null, $rounding)."%"); ?>");
  $("#markRate").html("<?php echo (($markRate === '')?'n/a':price($markRate, null, null, null, null, $rounding)."%"); ?>");

});
</script>
