<?php
$ValidAccess = 2010;

require_once("include/globals.php");

if (SessionActive() != 1 || ! UserLoggedIn()) {
   header("Location: /");
   exit();
}


$action = "home";

// Ensure that only valid user types have access to this module
$AllowedUserTypes = array('SuperUser','System Administrator','Application Administrator','Application Volunteer','Schedule Volunteer','Administration Team','Schedule Team','Supplier','Financial Team');
if (checkPermission($AllowedUserTypes) != 1) {
   header("Location: /?action=$action&error_code=NOACCESS");
   return;
}

$moduleName = "multi-menu.supplier.gen-csv.php";
// startLog($moduleName);


// Get parameters
if (array_key_exists('supplier_num',$_GET)) $selected_supplier_num = intval($_GET['supplier_num']);
if (array_key_exists('supplier_num',$_POST)) $selected_supplier_num = intval($_POST['supplier_num']);
if (array_key_exists('selected_menus',$_GET)) $selected_menus = $_GET['selected_menus'];
if (array_key_exists('selected_menus',$_POST)) $selected_menus = $_POST['selected_menus'];
if (array_key_exists('selected_menu_date',$_GET)) $selected_menu_date = $_GET['selected_menu_date'];
if (array_key_exists('selected_menu_date',$_POST)) $selected_menu_date = $_POST['selected_menu_date'];
if (array_key_exists('format',$_GET)) $format = $_GET['format'];
if (array_key_exists('format',$_POST)) $format = $_POST['format'];
if (array_key_exists('staff',$_GET)) $staff = $_GET['staff'];
if (array_key_exists('staff',$_POST)) $staff = $_POST['staff'];
if (!isset($mode)) $mode = 'detail';
unset($schedule_num);

if (isset($selected_menu_date)) writeLog("selected_menu_date: $selected_menu_date");


if (isset($selected_menu_date)) {
   $menus = db_query("SELECT hlmd.* FROM hotlunch_menu_dates AS hlmd, hotlunch_schedules AS hls " .
                     "WHERE hlmd.school_num = $school_num " .
                     "AND hls.school_num = $school_num " .
                     "AND hlmd.schedule_num = hls.record_num " .
                     "AND hls.status NOT IN ('Inactive','Deleted') " .
                     "AND menu_date = '$selected_menu_date' " .
                     "ORDER BY schedule_name,menu_title");
   $selected_menus = array();
   $menu_titles = array();
   while ($row = db_fetch_assoc($menus)) {
      $selected_menus[] = $row['record_num'];
      $menu_titles[] = $row['menu_title'];
   }
}


// Get schedules numbers
if (isset($selected_menus) && is_array($selected_menus) && count($selected_menus) > 0) {
   $menuNumbers = implode(',',$selected_menus);
   writeLog("menuNumbers: $menuNumbers");
   $results = db_query("SELECT DISTINCT schedule_num FROM hotlunch_menu_dates WHERE record_num IN ($menuNumbers)");
   if (db_num_rows($results)) {
      $schedule_nums = "";
      $selected_schedules = array();
      while ($row = db_fetch_assoc($results)) {
         if ($schedule_nums) $schedule_nums .= ",";
         $schedule_nums .= $row['schedule_num'];
         $selected_schedules[] = $row['schedule_num'];
      }
   }
   $scheduleNums = $schedule_nums;
}
else {
   header("Location: /?action=$action&error_code=NOSCHED");
   return;
}

// Check that there are orders for these schedules
writeLog("scheduleNums: $scheduleNums");
$query = "select count(*) from hotlunch_order_header " .
         "where school_num = $school_num " .
         "and schedule_num IN ($scheduleNums) " .
         "and ordered_by_type != 'Concession' " .
         "and status NOT IN ('Inactive','Deleted')";
$num = db_getVal($query);
writeLog("num: $num");
if ($num == 0) {
   header("Location: /?action=$action&error_code=NOORDERS");
   return;
}

// Post supplier orders for each schedule
for ($i = 0; $i < count($selected_menus); $i++) {
   $curr_menu_num = $selected_menus[$i];
   $schedule_num = db_getVal("SELECT schedule_num FROM hotlunch_menu_dates WHERE record_num = $curr_menu_num");
   writeLog("schedule_num: $schedule_num -> supplier_orders.post.php");
   include "supplier_orders.post.php";
}


$numMenuDates = count($selected_menus);
$firstMenuDate = $selected_menus[0];
$menuNumbers = implode(',',$selected_menus);


// Check the class_num value for staff to ensure that every staff person has a valid class number
$query = "SELECT * FROM people WHERE school_num = $base_school_num AND class_num IS NULL";
writeLog($query);
$results = db_query($query);
if (db_num_rows($results)) {
   while ($row = db_fetch_assoc($results)) {
      $rnum = $row['record_num'];
      db_query("UPDATE people SET class_num = 0 WHERE school_num = $base_school_num AND class_num IS NULL AND record_num = $rnum");
   }
}


// Get set of suppliers to process
$swhere = "";
if (isset($selected_supplier_num) && $selected_supplier_num > 0) $swhere = "and soh.supplier_num = $selected_supplier_num ";
$query = "SELECT DISTINCT supplier_name,supplier_num,hlmd.menu_date " .
         "FROM supplier_order_header AS soh, suppliers AS s, hotlunch_menu_dates AS hlmd " .
         "WHERE soh.school_num = $school_num " .
         "AND s.school_num = $supplier_school_num " .
         "AND soh.schedule_num IN ($scheduleNums) " .
         "AND soh.menu_num IN ($menuNumbers) " .
         "AND soh.menu_num = hlmd.record_num " .
         "AND soh.supplier_num = s.record_num " .
         $swhere .
         "ORDER BY supplier_name,hlmd.menu_date";
writeLog($query);
$orders = db_query($query);


// Ensure that there are supplier orders to process
if (db_num_rows($orders) == 0) {
   $error_message = "Error: No Orders Found";
   header("Location: /?action=home&error_code=NOORDERS");
   return;
}


// Initialize the spreadsheet document type
header('Pragma: public');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Cache-Control: private',false);
header("Content-type: application/octet-stream; charset=utf-8");
header("Content-Disposition: attachment; filename=multi-menu-supplier-orders.csv");
header('Content-Transfer-Encoding: text');

echo("\xEF\xBB\xBF");


// Process each order
$today = date("D M jS, Y",time());
$prev_supplier = 0;
$totals = array();
$products = array();

while ($order = db_fetch_assoc($orders)) {

   extract($order);
   $order_subtotal = 0;
   $mdate = date("D M jS, Y",strtotime($menu_date));

   // Print supplier info if this is a new supplier
   if ($supplier_num != $prev_supplier) {
      if ($prev_supplier > 0) {
         echo("\"$prev_supplier_name\",".getLanguageText('TEXT-TOTALS')."," . $totals['qty'] . ",,," . $totals['units'] . "," . $totals['cost'] . "\n");
         echo("\n\n\n");
      }
      $prev_supplier = $supplier_num;
      $totals = array();
      $totals['qty'] = 0;
      $totals['units'] = 0;
      $totals['cost'] = 0;

      // Get supplier info
      $query = "select * from suppliers " .
               "where school_num = $supplier_school_num " .
               "AND status = 'Active' " .
               "and record_num = $supplier_num";
      $results = db_query($query);
      $supplier = db_fetch_assoc($results);
      extract($supplier);
      $prev_supplier_name = $supplier_name;

      switch ($format) {
         case 'order':
            echo("\"$supplier_name\"\n");
            echo(getLanguageText('TEXT-ITEM').",".
                 getLanguageText('TEXT-ORDERED').",".
                 getLanguageText('TEXT-PACKAGE-QUANTITY').",".
                 getLanguageText('TEXT-PACKAGE-COST').",".
                 getLanguageText('TEXT-UNITS').",".
                 getLanguageText('TEXT-TOTAL')."\n");
            break;

         case 'production':
            echo("\"$supplier_name\"\n");
            echo(getLanguageText('TEXT-ITEM').",");
            $n = count($selected_menus);
            for ($i = 0; $i < count($selected_menus); $i++) {
               $menu_num = $selected_menus[$i];
               $schedule_name = db_getVal("SELECT schedule_name FROM hotlunch_schedules AS hls, hotlunch_menu_dates AS hlmd " .
                                          "WHERE hls.school_num = $school_num " .
                                          "AND hlmd.school_num = $school_num " .
                                          "AND hls.record_num = hlmd.schedule_num " .
                                          "AND hlmd.record_num = $menu_num");
               echo($schedule_name.' - '.$menu_titles[$i].",");
               if ($staff == 'separate') echo($schedule_name.' - '.$GlobalText['Staff'].",");
            }
            echo(getLanguageText('TEXT-TOTAL'));
            echo("\n");
            break;
      }
   }

   // Get and process the order items
   $query = "SELECT sp.product_name,supplier_product_num,SUM(online_qty) AS online_qty,sp.package_qty,package_cost " .
            "FROM supplier_order_items as soi, supplier_products as sp " .
            "WHERE soi.school_num = $school_num " .
            "AND sp.school_num = $supplier_school_num " .
            "AND soi.supplier_num = $supplier_num " .
            "AND soi.supplier_product_num = sp.record_num " .
            "AND soi.menu_num in ($menuNumbers) " .
            "GROUP BY 1,2,4,5 " .
            "ORDER BY sp.sequence,product_name";
   $order_items = db_query($query);

   while ($row = db_fetch_assoc($order_items)) {
      extract($row);

      switch ($format) {
         case 'order':
            writeLog("online_qty: $online_qty  -  package_qty: $package_qty");
            $units = intval(($online_qty + $package_qty - 1) / $package_qty);
            $cost = number_format($units * $package_cost,2);
            echo("\"$product_name\",$online_qty,$package_qty,$package_cost,$units,$cost\n");

            $totals['qty'] += $online_qty;
            $totals['units'] += $units;
            $totals['cost'] += $cost;

            if (!array_key_exists($supplier_product_num, $products)) {
               $products[$supplier_product_num] = array();
               $products[$supplier_product_num]['qty'] = 0;
            }

            $products[$supplier_product_num]['qty'] += $online_qty;
            $products[$supplier_product_num]['product_name'] = $product_name;
            break;

         case 'production':
            echo("\"$product_name\",");
            $itotal = 0;
            for ($i = 0; $i < count($selected_menus); $i++) {
               $menu_num = $selected_menus[$i];
               $items = db_query("SELECT hlmp.* FROM hotlunch_menu_products AS hlmp, hotlunch_menu_items AS hlmi " .
                                 "WHERE hlmp.school_num = $school_num " .
                                 "AND hlmi.school_num = $school_num " .
                                 "AND hlmi.menu_num = $menu_num " .
                                 "AND hlmp.menu_item_num = hlmi.record_num " .
                                 "AND hlmp.supplier_product_num = $supplier_product_num");
               $cItems = "";
               while ($row = db_fetch_assoc($items)) {
                  if (strlen($cItems)) $cItems .= ",";
                  $cItems .= $row['menu_item_num'];
               }

               switch ($staff) {
                  case 'included':
                     if (strlen($cItems)) $qty = db_getVal("SELECT sum(qty) FROM hotlunch_order_items WHERE school_num = $school_num AND menu_item_num IN ($cItems)");
                     if ($qty) echo("$qty,");
                     else echo("0,");
                     $itotal += $qty;
                     break;

                  case 'separate':
                     // Get student quantities
                     $qty = 0;
                     if (strlen($cItems)) $qty = db_getVal("SELECT sum(qty) FROM hotlunch_order_items " .
                                                           "WHERE school_num = $school_num AND menu_item_num IN ($cItems) AND ordered_by_type = 'Student'");
                     if ($qty) echo("$qty,");
                     else echo("0,");
                     $itotal += $qty;

                     // Get non-student quantities
                     if (strlen($cItems)) $qty = db_getVal("SELECT sum(qty) FROM hotlunch_order_items " .
                                                           "WHERE school_num = $school_num AND menu_item_num IN ($cItems) AND ordered_by_type != 'Student'");
                     if ($qty) echo("$qty,");
                     else echo("0,");
                     $itotal += $qty;
                     break;
               }
            }
            echo("$itotal\n");
            break;
      }
   }

   echo("\n");
}


if ($format == 'order') {

   echo("\"$supplier_name\",".getLanguageText('TEXT-TOTALS')."," . $totals['qty'] . ",,," . $totals['units'] . "," . $totals['cost'] . "\n");
   echo("\n");

   echo(getLanguageText('TEXT-TOTALS').":\n");
   echo(getLanguageText('TEXT-PRODUCT').",".getLanguageText('TEXT-ORDERED')."\n");
   foreach ($products as $key => $value) {
      echo("\"" . $products[$key]['product_name'] . "\",".$products[$key]['qty'] . "\n");
   }
}


echo("\n");

?>