<?php
require_once __DIR__.'/inc.php';

$ip = $_SERVER['REMOTE_ADDR'];
$ua = $_SERVER['HTTP_USER_AGENT'];

$now=now();
$id = isset($_POST['id']) ? $_POST['id']+0:0;
if(!$id){
  die(json_encode(array('code'=>1, 'msg'=>'no exam id', 'data'=>null)));
}
if(!isset($_POST['tester_email']) || !$_POST['tester_email']
||!isset($_POST['tester_name']) || !$_POST['tester_name']){
  die(json_encode(array('code'=>2, 'msg'=>'no tester', 'data'=>null)));
}

#print_r($_POST);
foreach($_POST['ans_opt']as$k=>$v){
  $v = fix_post_data($v);
  $_POST['ans_opt'][$k] = AIAExam::safe_db_value_for_exam($v);
}
$ans_opt = serialize($_POST['ans_opt']);

$a=array(
  'is_save_manually'=>(isset($_POST['is_manually'])&&$_POST['is_manually']>0 ? 1 : 0),
  'tester_email'=>safe_db_value($_POST['tester_email']),
  'tester_name'=>safe_db_value($_POST['tester_name']),
  'ip'=>$ip,'useragent'=>$ua,'create_datetime'=>$now,'exam_post_id'=>$id,'ans_opt'=>$ans_opt);
  // print_r($a);
$textarea_opt = $_POST['textarea_opt'];
foreach($textarea_opt as$k=>$v){
  $n = str_replace('examtextarea_','',$k);
  if(1===preg_match('/^[0-9]+$/',$n)){
    $v = fix_post_data($v);
    $a['ans_textarea'.$n] = AIAExam::safe_db_value_for_exam($v);
  }
}
// print_r($a);
$wpdb->insert(TBL_EXAM, $a);
$data = array('id'=>$wpdb->insert_id,'save_datetime'=>$a['create_datetime'],'title'=>AIAExam::get_exam_history_option_text($a['create_datetime'], $a['is_save_manually']));
$output = json_encode(
  array('code'=>0, 'msg'=>'Saved successfully!', 'data'=>$data,
    'debug1'=>$a)
  );
die($output);