<?php
/* Copyright (C) 2012-2013	Christophe Battarel	<christophe.battarel@altairis.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 <http://www.gnu.org/licenses/>.
 */

/**
 *	\file       htdocs/margin/tabs/productMargins.php
 *	\ingroup    product margins
 *	\brief      Page des marges des factures clients pour un produit
 */

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

$object = new Product($db);

$mesg = '';

$sortfield = GETPOST("sortfield",'alpha');
$sortorder = GETPOST("sortorder",'alpha');
$page = GETPOST("page",'int');
if (empty($page) || $page == -1) { $page = 0; }     // If $page is not defined, or '' or -1
$offset = $conf->liste_limit * $page;
$pageprev = $page - 1;
$pagenext = $page + 1;
if (! $sortorder) $sortorder="DESC";
if (! $sortfield) $sortfield="f.datef";


/*
 * View
 */

$invoicestatic=new Facture($db);

$form = new Form($db);

if ($id > 0 || ! empty($ref))
{
    $result = $object->fetch($id, $ref);

    $title = $langs->trans('ProductServiceCard');
	$helpurl = '';
	$shortlabel = dol_trunc($object->label,16);
	if (GETPOST("type") == '0' || ($object->type == Product::TYPE_PRODUCT))
	{
		$title = $langs->trans('Product')." ". $shortlabel ." - ".$langs->trans('Card');
		$helpurl='EN:Module_Products|FR:Module_Produits|ES:M&oacute;dulo_Productos';
	}
	if (GETPOST("type") == '1' || ($object->type == Product::TYPE_SERVICE))
	{
		$title = $langs->trans('Service')." ". $shortlabel ." - ".$langs->trans('Card');
		$helpurl='EN:Module_Services_En|FR:Module_Services|ES:M&oacute;dulo_Servicios';
	}

	llxHeader('', $title, $helpurl);

	/*
	 *  En mode visu
	 */
	if ($result > 0)
	{
		$head=product_prepare_head($object);
		$titre=$langs->trans("CardProduct".$object->type);
		$picto=($object->type== Product::TYPE_SERVICE?'service':'product');
		dol_fiche_head($head, 'margin', $titre, -1, $picto);

		$linkback = '<a href="'.DOL_URL_ROOT.'/product/list.php?restore_lastsearch_values=1">'.$langs->trans("BackToList").'</a>';

        dol_banner_tab($object, 'ref', $linkback, ($user->societe_id?0:1), 'ref');


        print '<div class="fichecenter">';

        print '<div class="underbanner clearboth"></div>';
        print '<table class="border tableforfield" width="100%">';

		// Total Margin
		print '<tr><td class="titlefield">'.$langs->trans("TotalMargin").'</td><td colspan="3">';
		print '<span id="totalMargin"></span>'; // set by jquery (see below)
		print '</td></tr>';

		// Margin Rate
		if (! empty($conf->global->DISPLAY_MARGIN_RATES)) {
			print '<tr><td>'.$langs->trans("MarginRate").'</td><td colspan="3">';
			print '<span id="marginRate"></span>'; // set by jquery (see below)
			print '</td></tr>';
		}

		// Mark Rate
		if (! empty($conf->global->DISPLAY_MARK_RATES)) {
			print '<tr><td>'.$langs->trans("MarkRate").'</td><td colspan="3">';
			print '<span id="markRate"></span>'; // set by jquery (see below)
			print '</td></tr>';
		}

		print "</table>";

        print '</div>';
        print '<div style="clear:both"></div>';

		dol_fiche_end();


        if ($user->rights->facture->lire) {
            $sql = "SELECT s.nom as name, s.rowid as socid, s.code_client,";
            $sql.= " f.rowid as facid, f.facnumber, f.total as total_ht,";
            $sql.= " f.datef, f.paye, f.fk_statut as statut, f.type,";
            if (!$user->rights->societe->client->voir && !$socid) $sql.= " sc.fk_soc, sc.fk_user,";
            $sql.= " sum(d.total_ht) as selling_price,";							// may be negative or positive
            $sql.= " IF(f.type = 2, -1, 1) * sum(d.qty) as qty,";						// not always positive in case of Credit note
            $sql.= " IF(f.type = 2, -1, 1) * sum(d.qty * d.buy_price_ht) as buying_price,";			// not always positive in case of Credit note
            $sql.= " IF(f.type = 2, -1, 1) * sum(abs(d.total_ht) - (d.buy_price_ht * d.qty)) as marge" ;	// not always positive in case of Credit note
            $sql.= " FROM ".MAIN_DB_PREFIX."societe as s";
            $sql.= ", ".MAIN_DB_PREFIX."facture as f";
            $sql.= ", ".MAIN_DB_PREFIX."facturedet as d";
            if (!$user->rights->societe->client->voir && !$socid) $sql.= ", ".MAIN_DB_PREFIX."societe_commerciaux as sc";
            $sql.= " WHERE f.fk_soc = s.rowid";
            $sql.= " AND f.fk_statut > 0";
            $sql.= " AND f.entity IN (".getEntity('invoice').")";
            $sql.= " AND d.fk_facture = f.rowid";
            $sql.= " AND d.fk_product =".$object->id;
            if (!$user->rights->societe->client->voir && !$socid) $sql.= " AND s.rowid = sc.fk_soc AND sc.fk_user = " .$user->id;
            if (! empty($socid)) $sql.= " AND f.fk_soc = $socid";
            $sql .= " AND d.buy_price_ht IS NOT NULL";
            if (isset($conf->global->ForceBuyingPriceIfNull) && $conf->global->ForceBuyingPriceIfNull == 1) $sql .= " AND d.buy_price_ht <> 0";
            $sql.= " GROUP BY s.nom, s.rowid, s.code_client, f.rowid, f.facnumber, f.total, f.datef, f.paye, f.fk_statut, f.type";
            if (!$user->rights->societe->client->voir && !$socid) $sql.= ", sc.fk_soc, sc.fk_user";
            $sql.= $db->order($sortfield,$sortorder);
            // TODO: calculate total to display then restore pagination
            //$sql.= $db->plimit($conf->liste_limit +1, $offset);
            dol_syslog('margin:tabs:productMargins.php', LOG_DEBUG);
            $result = $db->query($sql);
            if ($result) {
                $num = $db->num_rows($result);

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

                $i = 0;

                print '<div class="div-table-responsive">';
                print '<table class="noborder" width="100%">';

                print '<tr class="liste_titre">';
                print_liste_field_titre("Invoice",$_SERVER["PHP_SELF"],"f.facnumber","","&amp;id=".$object->id,'',$sortfield,$sortorder);
                print_liste_field_titre("Company",$_SERVER["PHP_SELF"],"s.nom","","&amp;id=".$object->id,'',$sortfield,$sortorder);
                print_liste_field_titre("CustomerCode",$_SERVER["PHP_SELF"],"s.code_client","","&amp;id=".$object->id,'',$sortfield,$sortorder);
                print_liste_field_titre("DateInvoice",$_SERVER["PHP_SELF"],"f.datef","","&amp;id=".$object->id,'align="center"',$sortfield,$sortorder);
                print_liste_field_titre("SellingPrice",$_SERVER["PHP_SELF"],"selling_price","","&amp;id=".$object->id,'align="right"',$sortfield,$sortorder);
                print_liste_field_titre("BuyingPrice",$_SERVER["PHP_SELF"],"buying_price","","&amp;id=".$object->id,'align="right"',$sortfield,$sortorder);
                print_liste_field_titre("Qty",$_SERVER["PHP_SELF"],"d.qty","","&amp;id=".$object->id,'align="right"',$sortfield,$sortorder);
                print_liste_field_titre("Margin",$_SERVER["PHP_SELF"],"marge","","&amp;id=".$object->id,'align="right"',$sortfield,$sortorder);
                if (! empty($conf->global->DISPLAY_MARGIN_RATES))
                    print_liste_field_titre("MarginRate",$_SERVER["PHP_SELF"],"","","&amp;id=".$object->id,'align="right"',$sortfield,$sortorder);
                if (! empty($conf->global->DISPLAY_MARK_RATES))
                    print_liste_field_titre("MarkRate",$_SERVER["PHP_SELF"],"","","&amp;id=".$object->id,'align="right"',$sortfield,$sortorder);
                print_liste_field_titre("Status",$_SERVER["PHP_SELF"],"f.paye,f.fk_statut","","&amp;id=".$object->id,'align="right"',$sortfield,$sortorder);
                print "</tr>\n";

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

                if ($num > 0) {
                    while ($i < $num /*&& $i < $conf->liste_limit*/) {
                        $objp = $db->fetch_object($result);

						$marginRate = ($objp->buying_price != 0)?(100 * $objp->marge / $objp->buying_price):'' ;
						$markRate = ($objp->selling_price != 0)?(100 * $objp->marge / $objp->selling_price):'' ;

                        print '<tr class="oddeven">';
                        print '<td>';
                        $invoicestatic->id=$objp->facid;
                        $invoicestatic->ref=$objp->facnumber;
                        print $invoicestatic->getNomUrl(1);
                        print "</td>\n";
                        print '<td><a href="'.DOL_URL_ROOT.'/comm/card.php?socid='.$objp->socid.'">'.img_object($langs->trans("ShowCompany"),"company").' '.dol_trunc($objp->name,44).'</a></td>';
                        print "<td>".$objp->code_client."</td>\n";
						print "<td align=\"center\">";
						print dol_print_date($db->jdate($objp->datef),'day')."</td>";
						print "<td align=\"right\">".price($objp->selling_price, null, null, null, null, $rounding)."</td>\n";
						print "<td align=\"right\">".price($objp->buying_price, null, null, null, null, $rounding)."</td>\n";
						print "<td align=\"right\">".price($objp->qty, null, null, null, null, $rounding)."</td>\n";
						print "<td align=\"right\">".price($objp->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, $rounding)."%")."</td>\n";
						print '<td align="right">'.$invoicestatic->LibStatut($objp->paye,$objp->statut,5).'</td>';
                        print "</tr>\n";
                        $i++;
                        $cumul_achat += $objp->buying_price;
                        $cumul_vente += $objp->selling_price;
                        $cumul_qty += $objp->qty;
                    }
                }

                // affichage totaux marges

                $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 / $cumul_vente):'';
                }
                print '<tr class="liste_total">';
                print '<td colspan=4>'.$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, $rounding)."</td>\n";
                print '<td align="right">'.price($cumul_qty, 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, $rounding)."%")."</td>\n";
                print '<td align="right">&nbsp;</td>';
                print "</tr>\n";
                print "</table>";
                print '</div>';
            } else {
                dol_print_error($db);
            }
            $db->free($result);
        }
    }
} else {
    dol_print_error();
}

print '
    <script type="text/javascript">
    $(document).ready(function() {
        $("#totalMargin").html("'. price($totalMargin, null, null, null, null, $rounding).'");
        $("#marginRate").html("'.(($marginRate === '')?'n/a':price($marginRate, null, null, null, null, $rounding)."%").'");
        $("#markRate").html("'.(($markRate === '')?'n/a':price($markRate, null, null, null, null, $rounding)."%").'");
    });
    </script>
';

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