<?php
$ValidAccess = 2010;
require_once("include/globals.php");


if (SessionActive() != 1 || ! UserLoggedIn()) {
   logExit("Session is not active\n");
   exit();
}

// Set userType
$userType = "Parent";
if (array_key_exists('type', $_SESSION['UserInfo']) && in_array($_SESSION['UserInfo']['type'],$AllAdminUserTypes)) $userType = "Admin";
if ($userType != 'Admin') return;


// CSRF token validation
include "include/ajax.csrfToken.php";


// Set default timezone
date_default_timezone_set("Canada/Pacific");
$now = date("Y-m-d H:i:s",time());

$return_data = array();

$moduleName = "ajax.ClearUserBalances.php";
// startLog($moduleName);


// Get parameters
$school_num = intval($_GET['selected_school_num']);
$selected_balance = db_escape_string($_GET['selected_balance']);
$posting_message = db_escape_string($_GET['posting_message']);


// Ensure parameters are valid

if (!is_numeric($school_num)) logExit("School num is not numeric\n");
if ($school_num == 0) logExit("school_num is zero\n");

writeLog("school_num: $school_num\n");
writeLog("selected_balance: $selected_balance\n");
writeLog("posting_message: $posting_message\n");


// Get selected records
switch ($selected_balance) {
   case 'All':
      $query = "SELECT ua.school_num,userid,first_name,last_name,u.record_num AS user_num, SUM(ua.transaction_amount) AS balance " .
               "FROM users AS u, user_account AS ua " .
               "WHERE u.school_num = $base_school_num " .
               "AND ua.school_num = $school_num " .
               "AND ua.user_num = u.record_num " .
               "AND (deleted != 'Y' OR deleted IS NULL) " .
               "GROUP BY 1,2,3,4,5 " .
               "HAVING SUM(ua.transaction_amount) != 0 " .
               "ORDER BY last_name, first_name";
      break;

   case 'Debit':
      $query = "SELECT ua.school_num,userid,first_name,last_name,u.record_num AS user_num, SUM(ua.transaction_amount) AS balance " .
               "FROM users AS u, user_account AS ua " .
               "WHERE u.school_num = $base_school_num " .
               "AND ua.school_num = $school_num " .
               "AND ua.user_num = u.record_num " .
               "AND (deleted != 'Y' OR deleted IS NULL) " .
               "GROUP BY 1,2,3,4,5 " .
               "HAVING SUM(ua.transaction_amount) > 0 " .
               "ORDER BY last_name, first_name";
      break;

   case 'Credit':
      $query = "SELECT ua.school_num,userid,first_name,last_name,u.record_num AS user_num, SUM(ua.transaction_amount) AS balance " .
               "FROM users AS u, user_account AS ua " .
               "WHERE u.school_num = $base_school_num " .
               "AND ua.school_num = $school_num " .
               "AND ua.user_num = u.record_num " .
               "AND (deleted != 'Y' OR deleted IS NULL) " .
               "GROUP BY 1,2,3,4,5 " .
               "HAVING SUM(ua.transaction_amount) < 0 " .
               "ORDER BY last_name, first_name";
      break;
}

writeLog("query: $query\n");
$accounts = db_query($query);
$numRecords = db_num_rows($accounts);
writeLog("numRecords: $numRecords\n");

if ($numRecords) {
   $trxRecord = array();

   $trxRecord['schedule_num'] = 0;
   $trxRecord['order_num'] = 0;
   $trxRecord['people_num'] = 0;
   $trxRecord['transaction_datetime'] = date("Y-m-d H:i:s",time());
   $trxRecord['transaction_status'] = 'Closed';

   while ($row = db_fetch_assoc($accounts)) {
      extract($row);
      $trxRecord['school_num'] = $school_num;
      $trxRecord['user_num'] = $user_num;

      writeLog("-------------------------------------------\n");
      writeLog("-- $moduleName --\n");
      writeLog("userid: $userid\n");
      writeLog("user_num: $user_num\n");
      writeLog("balance: $balance\n");

      $transaction_type = "Credit Adjustment";
      $transaction_amount = -1 * abs($balance);
      if ($balance < 0) {
         $transaction_type = "Charge Adjustment";
         $transaction_amount = abs($balance);
      }

      $trxRecord['transaction_type'] = $transaction_type;
      $trxRecord['transaction_amount'] = $transaction_amount;
      $trxRecord['note'] = $posting_message;

      // Insert user_account entry
      postTransaction($trxRecord);

   }
}

writeLog("completed\n");
?>