<?php

namespace phpcommon;

function timestamp_to_datetime($timestamp)
{
    //	return strftime('%Y-%m-%d %H:%M:%S', $timestamp + 8 * 3600);
    return strftime('%Y-%m-%d %H:%M:%S', $timestamp);
}

function timestamp_to_date($timestamp)
{
    return strftime('%Y-%m-%d', $timestamp);
}

function timestamp_to_date2($timestamp)
{
    return strftime('%Y%m%d', $timestamp);
}

function between_days($strtime, $endtime){
    $day = $endtime/3600/24 - $strtime/3600/24;
    return ceil($day); //时间戳之间相差的天数
}

function date_time($date){
    return $date + 8 * 3600;
}

function getdayseconds($time)
{
    return intval(($time + 8 * 3600)/3600/24) * 3600 * 24 - 3600 * 8;
}

function getNextDaySeconds($time)
{
    return intval(($time + 8 * 3600)/3600/24) * 3600 * 24 - 3600 * 8 + 3600 * 24;
}

function getMondaySeconds($time)
{
    $week = date('w', $time);
    if ($week == 0) {
        $day = 6;
    } else {
        $day = $week - 1;
    }
    return (intval(($time + 8 * 3600)/3600/24) - $day)* 3600 * 24 - 3600 * 8;
}

function getThisMonthFirstDaySeconds($time)
{
    $day = date('j', $time) - 1;
    return (intval(($time + 8 * 3600)/3600/24) - $day) * 3600 * 24 - 3600 * 8;
}

function getNextMonthFirstDaySeconds($time)
{
    $day = date('j', $time);
    if ($day < 20) {
        $time = $time + 3600 * 24 * 31;
    } else {
        $time = $time + 3600 * 24 * 20;
    }
    return getThisMonthFirstDaySeconds($time);
}

function getThisYearFirstDaySeconds($time)
{
    $day = date('z', $time) - 1;
    return (intval(($time + 8 * 3600)/3600/24) - $day) * 3600 * 24 - 3600 * 8;
}

function sendOk($succ_msg = '')
{
    echo json_encode(array(
        'errcode' => 0,
        'errmsg' => $succ_msg
    ));
}

function sendError($errcode, $errmsg)
{
    echo json_encode(array(
        'errcode' => $errcode,
        'errmsg' => $errmsg
    ));
}

function wxBizDataDecryptData($appid, $sessionKey, $encryptedData, $iv, &$data )
{
    if (strlen($sessionKey) != 24) {
        return false;
    }
    $aesKey=base64_decode($sessionKey);


    if (strlen($iv) != 24) {
        return false;
    }
    $aesIV=base64_decode($iv);

    $aesCipher=base64_decode($encryptedData);

    $result=openssl_decrypt( $aesCipher, "AES-128-CBC", $aesKey, 1, $aesIV);

    $dataObj=json_decode( $result );
    if( $dataObj  == NULL )
    {
        return false;
    }
    if( $dataObj->watermark->appid != $appid )
    {
        return false;
    }
    $data = $result;
    return true;
}

function extractChannel($accountid)
{
    $str_list = explode('_', $accountid);
    if (count($str_list) < 3) {
        return 0;
    }
    $channel = $str_list[0];
    $gameid = $str_list[1];
    $openid = $str_list[2];
    return $channel;
}

function extractGameId($accountid)
{
    $str_list = explode('_', $accountid);
    if (count($str_list) < 3) {
        return 0;
    }
    $channel = $str_list[0];
    $gameid = $str_list[1];
    $openid = $str_list[2];
    return $gameid;
}

function extractOpenId($accountid)
{
    $str_list = explode('_', $accountid);
    if (count($str_list) < 3) {
        return 0;
    }
    $channel = $str_list[0];
    $gameid = $str_list[1];
    $openid = substr($accountid,
                     strlen($channel . '_' . $gameid . '_')
    );
    return $openid;
}

function createAccountId($channel, $gameid, $unionid)
{
    return $channel . '_' . $gameid . '_' . $unionid;
}

function getIPv4()
{
    //不允许就使用getenv获取
    if(getenv("HTTP_X_FORWARDED_FOR")){
        $realip = getenv( "HTTP_X_FORWARDED_FOR");
    }elseif(getenv("HTTP_CLIENT_IP")) {
        $realip = getenv("HTTP_CLIENT_IP");
    }else{
        $realip = getenv("REMOTE_ADDR");
    }

    return $realip;
}

function getIPv6()
{
    //不允许就使用getenv获取
    if(getenv("HTTP_X_FORWARDED_FOR")){
        $realip = getenv( "HTTP_X_FORWARDED_FOR");
    }elseif(getenv("HTTP_CLIENT_IP")) {
        $realip = getenv("HTTP_CLIENT_IP");
    }else{
        $realip = getenv("REMOTE_ADDR");
    }

    return $realip;
}

function getProvinceZoneId($country, $province)
{
    $north_zone = array(
        '黑龙江' => 1,
        '吉林' => 1,
        '辽宁' => 1,
        '内蒙古' => 1,
        '北京' => 1,
        '天津' => 1,
        '河北' => 1,
        '河南' => 1,
        '山东' => 1,
        '新疆' => 1,
        '西藏' => 1,
        '甘肃' => 1,
        '青海' => 1,
        '宁夏' => 1,
        '陕西' => 1,
        '山西' => 1
    );
    $south_zone = array(
        '海南' => 1,
        '广东' => 1,
        '台湾' => 1,
        '香港' => 1,
        '澳门' => 1,
        '云南' => 1,
        '广西' => 1,
        '贵州' => 1,
        '江西' => 1,
        '福建' => 1,
        '江苏' => 1,
        '安徽' => 1,
        '湖南' => 1,
        '湖北' => 1,
        '四川' => 1,
        '重庆' => 1,
        '上海' => 1,
        '浙江' => 1
    );
    if (array_key_exists($province, $north_zone)) {
        return 1;
    } else if (array_key_exists($province, $south_zone)) {
        return 2;
    } else {
        return 1;
    }
}

function md5Sign($params, $secret, $timestamp, $connstr = '&', $secret_constr = ':'){
    ksort($params);
    $params_str = '';
    foreach($params as $key => $val){
        $params_str = $params_str . $key . '=' . $val . $connstr;
    }
    if($params_str != '' && $connstr != ''){
        $params_str = substr($params_str, 0, -1);

    }
    return md5($params_str . $secret_constr . $timestamp . $secret);
}

function sdkMd5Sign($params, $secret, $connstr = '&', $secret_constr = ':'){
    ksort($params);
    $params_str = '';
    foreach($params as $key => $val){
        $params_str = $params_str . $key . '=' . $val . $connstr;
    }
    if($params_str != '' && $connstr != ''){
        $params_str = substr($params_str, 0, -1);

    }
    return md5($params_str . $secret_constr . $secret);
}

function checkParams($params, $fields)
{
    foreach ($fields as $value) {
        if (!array_key_exists($value, $params)) {
            return false;
        }
    }
    return true;
}

function checkValidParams($params, $fields)
{
    foreach ($fields as $value) {
        if (!array_key_exists($value, $params) || empty($value)) {
            return false;
        }
    }
    return true;
}

function checkRegisterTimeInSessionId($accountid, $session_id)
{
    $str_list = explode('_', $session_id);
    if (count($str_list) < 4) {
        return false;
    }
    $session_cratetime = $str_list[0];
    $account_registertime = $str_list[1];
    $md51 = $str_list[2];
    $md52 = $str_list[3];
    return md5($accountid .
               'f3a6a9a5-217a-4079-ab99-b5d69b8212be' .
               $account_registertime .
               $session_cratetime) == $md51;
}

function extractRegisterTimeFromSessionId($session_id)
{
    $str_list = explode('_', $session_id);
    if (count($str_list) < 4) {
        return 0;
    }
    $session_cratetime = $str_list[0];
    $account_registertime = $str_list[1];
    $md51 = $str_list[2];
    $md52 = $str_list[3];
    return $account_registertime;
}

function isValidSessionId($account_id, $session_id)
{
    $str_list = explode('_', $session_id);
    if (count($str_list) < 4) {
        return false;
    }
    if (SERVER_ENV == _ONLINE) {
        $channel = extractChannel($account_id);
        if ($channel == 6000) {
            return false;
        }
    }
    $session_cratetime = $str_list[0];
    $account_registertime = $str_list[1];
    $md51 = $str_list[2];
    $md52 = $str_list[3];
    return md5($account_id .
               'f3a6a9a5-217a-4079-ab99-b5d69b8212be' .
               $account_registertime .
               $session_cratetime) == $md51;
}

function jsonEncodeAsObject($value)
{
    return json_encode((object)$value);
}

function loginParamsCheck()
{
    if (!checkValidParams($_REQUEST,
                          array(
                              'account_id',
                              'session_id'
                          ))
    ) {
        echo json_encode(array(
            'errcode' => 100,
            'errmsg' => '参数错误',
        ));
        die();
        return false;
    }
    if (!isValidSessionId($_REQUEST['account_id'], $_REQUEST['session_id'])) {
        echo json_encode(array(
            'errcode' => 100,
            'errmsg' => '参数错误',
        ));
        die();
        return false;
    }
    return true;
}

function cutMBStr(&$str, $len)
{
    if (strlen($str) <= $len || $len < 2) {
        $tmpstr = $str;
        $str = '';
        return $tmpstr;
    }
    $tmpstr = substr($str, 0, $len);
    {
        $old_mb_len = mb_strlen($tmpstr, 'utf-8');
        while (mb_strlen($tmpstr, 'utf-8') == $old_mb_len) {
            $tmpstr = substr($str, 0, --$len);
        }
    }
    $tmpstr = substr($str, 0, $len);
    $str = substr($str, $len);
    return $tmpstr;
}

function isMobile($mobile){
    if (!is_numeric($mobile)) {
        return false;
    }
    $re_mobile = '#^13[\d]{9}$|^14[5,7]{1}\d{8}$|^15[^4]{1}\d{8}$|^17[0,6,7,8]{1}\d{8}$|^18[\d]{9}$#';
    return preg_match($re_mobile, $mobile) ? true : false;
}

function safeDiv($a, $b)
{
    return !empty($b) ? $a / $b : 0;
}

function genNonceStr()
{
    return md5(posix_getpid() . uniqid() . getIPv4());
}

function objectToXml($params, $root_node = '<xml/>')
{
    $xml = new \SimpleXMLElement($root_node);
    foreach ($params as $key => $value) {
        if (is_array($value)) {
            $child_node = $xml->AddChild($key);
            foreach ($value as $key1 => $value1) {
                $child_node->addChild($key1, $value1);
            }
        } else {
            $xml->addChild($key, $value);
        }
    }
    return $xml->asXML();
}

function wxPaySign($params, $secret)
{
    ksort($params);
    $params_str = '';
    foreach($params as $key => $val){
        if (!empty($val)) {
            $params_str = $params_str . $key . '=' . $val . '&';
        }
    }
    if($params_str != ''){
        $params_str = substr($params_str, 0, -1);

    }
    $params_str = $params_str . '&key=' . $secret;
    $sign = md5($params_str);
    return $sign;
}

function readPubKey($pub_key)
{
    $pem = "-----BEGIN PUBLIC KEY-----\n" .
         chunk_split($pub_key, 64, "\n") .
         "-----END PUBLIC KEY-----\n";
    return openssl_pkey_get_public($pem);
}

function readPriKey($pri_key)
{
    $pem = "-----BEGIN RSA PRIVATE KEY-----\n" .
         chunk_split($pri_key, 64, "\n") .
         "-----END RSA PRIVATE KEY-----\n";
    return openssl_pkey_get_private($pem);
}

function aesEncrypt($str_content, $iv, $key)
{
    $str_encrypted = openssl_encrypt($str_content, "AES-128-CBC", $key, OPENSSL_RAW_DATA, $iv);
    return $str_encrypted;
}

function aesDecrypt($str_encrypted, $iv, $key)
{
    $str_decrypted = openssl_decrypt($str_encrypted, "AES-128-CBC", $key, OPENSSL_RAW_DATA, $iv);
    return $str_decrypted;
}