<?php

header("Cache-Control: no-cache, must-revalidate");
header("Expires: Sat, 6 May 1998 03:10:00 GMT");

/*===============================================*\
|| ############################################# ||
|| # JAKWEB.CH / Version 2.0.2                 # ||
|| # ----------------------------------------- # ||
|| # Copyright 2022 JAKWEB All Rights Reserved # ||
|| ############################################# ||
\*===============================================*/

if (!file_exists('config.php')) die('rest_api config.php not exist');
require_once 'config.php';

// include the PHP library (if not autoloaded)
require(APP_PATH.'class/class.emoji.php');

$userid = $loginhash = $chatid = $message = "";
$task = false;
if (isset($_REQUEST['userid']) && !empty($_REQUEST['userid']) && is_numeric($_REQUEST['userid'])) $userid = $_REQUEST['userid'];
if (isset($_REQUEST['loginhash']) && !empty($_REQUEST['loginhash'])) $loginhash = $_REQUEST['loginhash'];
if (isset($_REQUEST['chatid']) && !empty($_REQUEST['chatid'])) $chatid = $_REQUEST['chatid'];
if (isset($_REQUEST['task']) && !empty($_REQUEST['task'])) $task = $_REQUEST['task'];

if (!empty($userid) && !empty($loginhash) && !empty($chatid) && is_numeric($chatid)) {

  // Let's check if we are logged in
  $usr = $jakuserlogin->jakCheckrestlogged($userid, $loginhash);

  if ($usr) {

    // Select the user fields
    $jakuser = new JAK_user($usr);

    // Check if a sibling has logged in
      if ($jakuser->getVar("opid") != 0) {
          $opcacheid = $jakuser->getVar("opid");
      } else {
          $opcacheid = $jakuser->getVar("id");
      }

    // Cache stuff
    if (file_exists(APP_PATH.JAK_CACHE_DIRECTORY.'/opcache'.$opcacheid.'.php')) include_once APP_PATH.JAK_CACHE_DIRECTORY.'/opcache'.$opcacheid.'.php';

      // timezone from server
    date_default_timezone_set(JAK_TIMEZONESERVER);
    $jakdb->query('SET time_zone = "'.date("P").'"');

    $USER_LANGUAGE = strtolower($jakuser->getVar("language"));

    // Import the language file
    if ($USER_LANGUAGE && file_exists(APP_PATH.JAK_OPERATOR_LOC.'/lang/'.$USER_LANGUAGE.'.php')) {
        include_once APP_PATH.JAK_OPERATOR_LOC.'/lang/'.$USER_LANGUAGE.'.php';
        $lang = $USER_LANGUAGE;
    } else {
        include_once(APP_PATH.JAK_OPERATOR_LOC.'/lang/'.JAK_LANG.'.php');
        $lang = JAK_LANG;
    }

    // Typing status
    if ($task == "typing") {
      
      $result = $jakdb->update("checkstatus", ["typeo" => 1], ["convid" => $chatid]);

      if ($result) {
        // Take the chat go to chat
        die(json_encode(array('status' => true, 'task' => "typing")));
      }

      // Take the chat go to chat
      die(json_encode(array('status' => false, 'task' => 7)));

    }

    // Typing status false
    if ($task == "untyping") {
      
      $result = $jakdb->update("checkstatus", ["typeo" => 0], ["convid" => $chatid]);

      if ($result) {
        // Take the chat go to chat
        die(json_encode(array('status' => true, 'task' => "untyping")));
      }

      // Take the chat go to chat
      die(json_encode(array('status' => false, 'task' => 7)));

    }


    // Save the message
    if ($task == "new") {

      $message = trim($_REQUEST['message']);

      if (!empty($message)) {

        $row = $jakdb->get("checkstatus", ["convid", "hide"], ["convid" => $chatid]);

        if (isset($row) && !empty($row)) {
          
          // We sanitize the input
          $message = strip_tags($message);
          $message = filter_var($message, FILTER_SANITIZE_FULL_SPECIAL_CHARS);
          $message = trim($message);

          // Convert the smilies to shortcode
          $message = Emojione\Emojione::toShort($message);
          
          if (!$row['hide']) {

            // Check if we have to quote
            $msgquote = 0;
            if (isset($_REQUEST['msgid']) && !empty($_REQUEST['msgid']) && is_numeric($_REQUEST['msgid'])) $msgquote = $_REQUEST['msgid'];

            $jakdb->insert("transcript", [ 
              "name" => $jakuser->getVar("name"),
              "message" => $message,
              "user" => $userid.'::'.$jakuser->getVar("username"),
              "operatorid" => $userid,
              "convid" => $row['convid'],
              "quoted" => $msgquote,
              "class" => "admin",
              "time" => $jakdb->raw("NOW()")]);

            // Update the status after answer
            $jakdb->update("checkstatus", ["newc" => 1, "typeo" => 0, "newo" => 0, "statuso" => time()], ["convid" => $row['convid']]);

            // Take the chat go to chat
            die(json_encode(array('status' => true, 'task' => "sendmsg")));

          } elseif ($row['hide']) {
          
            if (!empty($HD_ANSWERS) && is_array($HD_ANSWERS)) foreach ($HD_ANSWERS as $v) {
              
              if ($v["msgtype"] == 4 && $v["lang"] == $lang) {
              
                $phold = array("%operator%","%client%","%email%");
                $replace   = array($jakuser->getVar("name"), $jakuser->getVar("username"), JAK_EMAIL);
                $message = str_replace($phold, $replace, $v["message"]);

                $jakdb->insert("transcript", [ 
                  "name" => $jakuser->getVar("name"),
                  "message" => $message,
                  "convid" => $row['convid'],
                  "class" => "notice",
                  "time" => $jakdb->raw("NOW()")]);
                
              }
                
            }
            
            // Take the chat go to chat
            die(json_encode(array('status' => true, 'task' => "sendmsg")));
            
          }
        }
      }

      die(json_encode(array('status' => false, 'errorcode' => 11)));
      
    }

    // Edit a message
    if ($task == "edit") {

      $message = trim($_REQUEST['message']);

      if (!empty($message) && isset($_REQUEST['msgid']) && is_numeric($_REQUEST['msgid'])) {

        // We sanitize the input
        $message = strip_tags($message);
        $message = filter_var($message, FILTER_SANITIZE_FULL_SPECIAL_CHARS);
        $message = trim($message);

        // update the message
        $jakdb->update("transcript", ["message" => $message, "editoid" => $userid, "edited" => $jakdb->raw("NOW()")], ["AND" => ["id" => $_REQUEST['msgid'], "convid" => $chatid]]);

        // send to client
        $jakdb->update("checkstatus", ["msgedit" => $_REQUEST['msgid'], "typeo" => 0], ["convid" => $chatid]);

        // Take the chat go to chat
        die(json_encode(array('status' => true, 'task' => "editmsg")));

      }

      die(json_encode(array('status' => false, 'errorcode' => 7)));

    }

    // Starred Message
    if ($task == "starred") {

      // message = starred
      if (isset($_REQUEST['message']) && isset($_REQUEST['msgid']) && is_numeric($_REQUEST['msgid'])) {

        if ($_REQUEST['message'] == 1) {
          $starred = 0;
        } else {
          $starred = 1;
        }

        $update = $jakdb->update("transcript", ["starred" => $starred], ["AND" => ["id" => $_REQUEST['msgid'], "convid" => $chatid]]);

        // Take the chat go to chat
        die(json_encode(array('status' => true, 'task' => "starrmsg")));

      }

      die(json_encode(array('status' => false, 'errorcode' => 7)));

    }

    // Delete a message
    if ($task == "delete") {

      // message = plevel
      if (isset($_REQUEST['message']) && isset($_REQUEST['msgid']) && is_numeric($_REQUEST['msgid'])) {

        if ($_REQUEST['message'] == 1) {
          $plevel = 2;
        } else {
          $plevel = 1;
        }

        // Update the plevel in the transcript table
        $update = $jakdb->update("transcript", ["plevel" => $plevel], ["AND" => ["id" => $_REQUEST['msgid'], "convid" => $chatid]]);

        // Update the status page
        $jakdb->update("checkstatus", ["typeo" => 0, "msgdel" => $_REQUEST['msgid']], ["convid" => $chatid]);

        // Take the chat go to chat
        die(json_encode(array('status' => true, 'task' => "deletemsg")));

      }

      die(json_encode(array('status' => false, 'errorcode' => 7)));

    }

  } else {
    die(json_encode(array('status' => false, 'errorcode' => 1)));
  }
}

die(json_encode(array('status' => false, 'errorcode' => 7)));
?>