<?php

include_once($path_to_root . "/sales/includes/cart_class.inc");
include_once($path_to_root . "/includes/manufacturing.inc");

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

function add_to_order(&$order, $new_item, $new_item_qty, $price, $discount)
{

	foreach ($order->line_items AS $order_item) 
	{
        if (strcasecmp($order_item->stock_id, $new_item) == 0) 
        {
            display_notification(_("For Part :") . $new_item . " " . _("This item is already on this order. You have been warned."));
      		break;
		}
	}
    
	$order->add_to_cart (count($order->line_items),$new_item, $new_item_qty, $price, $discount);
}

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

function get_customer_details_to_order(&$order, $customer_id, $branch_id)
{
	$ret_error = "";

	$myrow = get_customer_to_order($customer_id);
	
	$name = $myrow['name'];

	if ($myrow['dissallow_invoices'] == 1)
		$ret_error = _("The selected customer account is currently on hold. Please contact the credit control personnel to discuss.");

/*	if (!isset($_POST['branch_id']) || $_POST['branch_id'] == "") 
	{
		$ret_error = _("The selected customer does not have any branches. Please create at least one branch.");
		unset($_POST['branch_id']);
		$order->Branch = 0;
	}
*/
	$deliver = $myrow['address']; // in case no delivery address.

	$order->set_customer($customer_id, $name, $myrow['curr_code'], $myrow['discount']);

	// the sales type determines the price list to be used by default
    $order->set_sales_type($myrow['salestype'], $myrow['sales_type'], $myrow['tax_included']);

//	if ($order->Branch != 0)
	{
		$result = get_branch_to_order($customer_id, $branch_id);

  	    if (db_num_rows($result) == 0)
  	    {
		  return _("The selected customer and branch are not valid, or the customer does not have any branches.");
    	}

    	$myrow = db_fetch($result);

		$order->set_branch($branch_id, $myrow["tax_group_id"],
		  $myrow["tax_group_name"], $myrow["phone"], $myrow["email"]);

    	$address = $myrow["br_post_address"];

    	if (strlen($address) <= 1)	// if branch has no address 
    		  $address = $deliver;	// set sales order address

		$order->set_location($myrow["default_location"], $myrow["location_name"]);
		$order->set_delivery($myrow["default_ship_via"], $myrow["br_name"], 
		  $address);
	}

	return $ret_error;
}

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

function display_order_summary($title, &$order, $editable_items=false)
{
	global $table_style, $path_to_root;

	display_heading($title);
	start_table("$table_style colspan=7 width=90%");
	$th = array(_("Item Code"), _("Item Description"), _("Quantity"),
		 _("Delivered"),
		_("Unit"), _("Price"), _("Discount %"), _("Total"), "");

	if ($order->trans_no==0) {
	  unset( $th[3] );
	}

	if (count($order->line_items)) $th[]= '';

	table_header($th);	

	$total = 0;
	$k = 0;  //row colour counter

	foreach ($order->line_items as $line_no=>$stock_item) 
	{

		$line_total = $stock_item->qty_dispatched * $stock_item->price * (1 - $stock_item->discount_percent);
 
		if (!isset($_GET['Edit']))
			$id = -1;
		else
			$id = $_GET['Edit'];

		if (!$editable_items || $id != $line_no)
		{
    		alt_table_row_color($k);

			view_stock_status_cell($stock_item->stock_id);
    	 	
    		label_cell($stock_item->item_description);
    		qty_cell($stock_item->qty_dispatched);

			if ($order->trans_no!=0) 
    		  amount_cell($stock_item->qty_done);

    		label_cell($stock_item->units);
    		amount_cell($stock_item->price);

    		amount_cell($stock_item->discount_percent * 100);
    		amount_cell($line_total);

    		if ($editable_items) 
    		{
        		edit_link_cell(SID . "Edit=$line_no");
        		delete_link_cell(SID . "Delete=$line_no");
      		}
        	end_row();
		} 
		else 
		{
			sales_order_item_controls($order, $line_no);
		}

		$total += $line_total;
	}

	if (!isset($_GET['Edit']) && $editable_items)
		sales_order_item_controls($order);

	$display_total = number_format2($total,user_price_dec());
	label_row(_("Total Excluding Shipping"), $display_total, "colspan=6 align=right",
		"nowrap align=right");

	end_table();
}

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

function display_order_header(&$order, $editable, $date_text, $display_tax_group=false)
{
	global $table_style;
	start_table("width=80% $table_style");
	echo "<tr><td valign=top>"; // outer table
	echo "<table>";

	$customer_error = "";
        $change_prices = 0;

	if (isset($order) && !$editable)
	{
		// can't change the customer/branch if items already received on this order
		echo $order->customer_name . " - " . $order->deliver_to;
	    hidden('customer_id', $order->customer_id);
	    hidden('branch_id', $order->Branch);
	} 
	else 
	{

	    if (!isset($_POST['customer_id']) && (get_global_customer() != reserved_words::get_all()))
        	    $_POST['customer_id'] = get_global_customer();

	    customer_list_row(_("Customer:"), 'customer_id', null, false, true);

	    if (!isset($_POST['delivery_date']))
	    {
			if ($order->trans_type==10)
				$_POST['delivery_date'] = $_SESSION['Items']->due_date = 
					get_invoice_duedate($_POST['customer_id'], $_POST['OrderDate']);
			else	
				$_POST['delivery_date'] = $_SESSION['Items']->due_date = 
					add_days($_POST['OrderDate'], 10); // FIX this should be in company prefs
	    }		
		if ($order->customer_id != $_POST['customer_id']) 
	    {
			// customer has changed

			// delete all the order items - drastic but necessary because of
			// change of currency, sales type, etc
    	//	$order->clear_items();
			// clear the branch selection
			unset($_POST['branch_id']);
	    }
	    if (!isset($_POST['branch_id']))
			$_POST['branch_id'] = "";

		customer_branches_list_row(_("Branch:"), $_POST['customer_id'], 'branch_id', null, false, true, true);

	if (!isset($_POST['branch_id']) || $_POST['branch_id'] == "") 
	{
		$customer_error = _("The selected customer does not have any branches. Please create at least one branch.");
		unset($_POST['branch_id']);
		$order->Branch = 0;
	} else 	
	{
		//set_global_customer($_POST['customer_id']);
	    if (($order->customer_id != $_POST['customer_id']) || 
	    	($order->Branch != $_POST['branch_id'])) {

		  $old_order = (PHP_VERSION<5) ? $order : clone( $order );
		  $customer_error = get_customer_details_to_order($order, $_POST['customer_id'], $_POST['branch_id']);
		  $_POST['Location'] = $order->Location;
		  $_POST['deliver_to'] = $order->deliver_to;
		  $_POST['delivery_address'] = $order->delivery_address;
		  $_POST['phone'] = $order->phone;
		  $_POST['sales_type'] = $order->sales_type;

		// change prices if necessary
		// what about discount in template case?
		  if ( $old_order->customer_currency!=$order->customer_currency
		    || $old_order->sales_type!=$order->sales_type
		//  || $old_order->default_discount!=$order->default_discount
		    ) {
			$change_prices = 1;
		    }
		  
	    }
	 } // changed branch
	    set_global_customer($_POST['customer_id']);
	}

	if ($_SESSION['Items']->trans_type!=30) {
		ref_cells(_("Reference").':', 'ref', null, "");
	}

	echo "</table>";

	echo "</td><td>"; // outer table

	if (!is_company_currency($order->customer_currency))
	{
		echo "<table height='5'>";
		label_row(_("Customer Currency:"), $order->customer_currency);
		exchange_rate_display($order->customer_currency, get_company_currency(),	
			($editable?$_POST['OrderDate']:$order->document_date), $editable);
		echo "</table>";
		echo "</td><td>"; // outer table
	}

        if( $order->sales_type != $_POST['sales_type']) {
	    $myrow = get_sales_type($_POST['sales_type']);
	    $order->set_sales_type($myrow['id'], $myrow['sales_type'], 
		$myrow['tax_included']);
	    $change_prices = 1;
	}

        if($change_prices!=0)
        {
	    foreach ($order->line_items as $line_no=>$item) {
			$line = &$order->line_items[$line_no];
			$line->price = get_price($line->stock_id, $order->customer_currency,
			    $order->sales_type);
		//		$line->discount_percent = $order->default_discount;
	    }
	}

	echo "<table height='5'>";
	if($editable)
	    sales_types_list_row(_("Price List"), 'sales_type', $_POST['sales_type'], true);
	else
	    label_row(_("Price List:"), $order->sales_type_name);
	label_row(_("Customer Discount:"), ($order->default_discount * 100) . "%");
	echo "</table>";

	echo "</td><td>"; // outer table

	echo "<table height='5'>";

	if ($editable) 
	{
    	if (!isset($_POST['OrderDate']) || $_POST['OrderDate'] == "")
    		$_POST['OrderDate'] = $order->document_date;

		date_row($date_text, 'OrderDate');
	}
	else 
	{
		label_row($date_text, $order->document_date);
		hidden('OrderDate', $order->document_date);
	}

	if ($display_tax_group) 
	{
/*		if ($editable) 
		{
            if (!isset($_POST['tax_group_id']))
            	$_POST['tax_group_id'] = $_SESSION['Items']->tax_group_id;
            tax_groups_list_row(_("Tax Group:"), 'tax_group_id', $_POST['tax_group_id'], true);
		} 
		else 
*/		{
			label_row(_("Tax Group:"), $order->tax_group_name);
			hidden('tax_group_id', $_SESSION['Items']->tax_group_id);
		}
	}
	echo "</table>";

	echo "</td></tr>";
	
	end_table(1); // outer table

	return $customer_error;
}

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

function sales_order_item_controls(&$order, $line_no=-1)
{
	start_row();
	if (isset($_GET['Edit']) && $line_no != -1)
	{
		if (!isset($_POST['stock_id']))
			$_POST['stock_id'] = $order->line_items[$_GET['Edit']]->stock_id;
		if (!isset($_POST['qty']) || ($_POST['qty'] == ""))
			$_POST['qty'] = $order->line_items[$_GET['Edit']]->qty_dispatched;
		if (!isset($_POST['price']) || ($_POST['price'] == ""))
			$_POST['price'] = $order->line_items[$_GET['Edit']]->price;
		if (!isset($_POST['Disc']) || ($_POST['Disc'] == ""))
			$_POST['Disc'] = ($order->line_items[$_GET['Edit']]->discount_percent)*100;

		$_POST['units'] = $order->line_items[$_GET['Edit']]->units;
		hidden('stock_id', $_POST['stock_id']);
		label_cell($_POST['stock_id']);
		label_cell($order->line_items[$line_no]->item_description);
	} 
	else 
	{
		global $no_item_list; 
		if ($no_item_list)
		{
			echo "<td colspan=2>\n";
			stock_items_list('stock_id', null, false, true);
			echo "</td>\n";
		}
		else
		{
		  text_cells(null, "StockID2", "", 12, 10, "", "", "onkeyup='recalcAccounts();' onKeyDown='if (event.keyCode==13) event.keyCode=9;' onblur='return setAccount(0, true);'");
			stock_items_list_cells(null, 'stock_id', null, false, false, "onchange='return setAccount(1, true)'");
		}
		$item_info = get_item_edit_info($_POST['stock_id']);
		$_POST['units'] = $item_info["units"];

   		$_POST['qty'] = 1;
		$_POST['price'] = get_price ($_POST['stock_id'], 
		    $order->customer_currency, $order->sales_type);
		// default to the customer's discount %
		$_POST['Disc'] = $order->default_discount * 100;
	}

	text_cells(null, 'qty', $_POST['qty'], 12, 15);

	if ($order->trans_no!=0) {
  		amount_cell($line_no==-1 ? 0 :$order->line_items[$line_no]->qty_done);
	}

	label_cell($_POST['units']);
	amount_cells(null, 'price');
	text_cells(null, 'Disc', $_POST['Disc'], 7, 5);

	$line_total = $_POST['qty'] * $_POST['price'] * (1 - $_POST['Disc'] / 100);
	amount_cell($line_total);

	if (isset($_GET['Edit'])) 
	{
    	submit_cells('UpdateItem', _("Update"));
    	submit_cells('CancelItemChanges', _("Cancel"));
		hidden('LineNo', $line_no);
	} 
	else 
	{
		submit_cells('AddItem', _("Add Item"), "colspan=2");
	}

	end_row();
}

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

function display_delivery_details(&$order)
{
	global $table_style2;
	if ($order->trans_type==10) 
	{
		$title = _("Delivery Details");
		$delname = _("Due Date").':';
	} 
	elseif ($order->trans_type==13) 
	{
		$title = _("Invoice Delivery Details");
		$delname = _("Invoice before").':';
	} 
	else 
	{
		$title = _("Order Delivery Details");
		$delname = _("Required Delivery Date").':';
	}
	display_heading($title);
    echo "<br>";
    start_table("$table_style2 width=90%");
    echo "<tr valign=top><td>"; // outer table

    echo "<table>";

//	echo $order->Location, $_POST['Location'];

    locations_list_row(_("Deliver from Location:"), 'Location', $_POST['Location']);

   	date_row($delname, 'delivery_date', $order->due_date, 0, 0, 0);

    text_row(_("Deliver To:"), 'deliver_to', $order->deliver_to, 40, 40);

    textarea_row(_("Address:"), 'delivery_address', $order->delivery_address, 35, 5);
    text_row(_("Contact Phone Number:"), 'phone', $order->phone, 25, 25);

    echo "</table>";

    echo "</td><td>"; // outer table

    echo "<table>";

    text_row(_("Customer Reference:"), 'cust_ref', $order->cust_ref, 25, 25);
    textarea_row(_("Comments:"), "Comments", $order->Comments, 31, 5);

    text_row(_("Shipping Charge:"), 'freight_cost', $order->freight_cost, 10, 10);

    shippers_list_row(_("Shipping Company:"), 'ship_via', $order->ship_via);

    echo "</table>";

    echo "</td></tr>";
    end_table(1); // outer table
}

?>