<?php
if (isset($_REQUEST['checking_api_file'])) {
    exit();
}
  $owner = intval($_REQUEST['owner']);

  $has_owner = $wpdb->get_var("SELECT `id` FROM keyman_user where `id` = $owner limit 1");
  if(!($has_owner > 0)) {
    exit(json_encode([
      'rc' => 3,
      'msg' => 'owner不存在'
    ]));
  }

  $owners = $wpdb->get_results("SELECT `id` FROM keyman_user where `owner` = $owner");
  if($owners !== false && count($owners) >= 11) {
    exit(json_encode([
      'rc' => 4,
      'msg' => '子用戶名額已滿(10個)'
    ]));
  }

  $uid = $wpdb->get_var("SELECT `uid` FROM keyman_user where `id` = $owner limit 1");
  $submit_username = $_REQUEST['username'];
  $has_user = $wpdb->get_var("SELECT `id` FROM keyman_user where `username` = '$submit_username' limit 1");

  if($has_user > 0) {
    exit(json_encode([
      'rc' => 1,
      'msg' => '該手機已存在'
    ]));
  }

  $res = $wpdb->insert("keyman_user", [
    'uid' => $uid,
    'owner' => $owner,
    'nickname' => $_REQUEST['nickname'],
    'username' => $_REQUEST['username'],
    'password' => md5($_REQUEST['password'])
  ]);
  if($res !== false) {
    exit(json_encode([
      'rc' => 0,
      'msg' => 'success'
    ]));
  }else {
    exit(json_encode([
      'rc' => 2,
      'msg' => '註冊失敗，請重試'
    ]));
  }