<?php
// 应用公共文件

// 接口错误返回
if (!function_exists('error')) {
    function error($msg = '', $data = []): \think\response\Json
    {
        return \apiret\Api::error($msg, $data);
    }
}


// 接口成功返回
if (!function_exists('success')) {
    function success($msg = '', $data = []): \think\response\Json
    {
        return \apiret\Api::success($msg, $data);
    }
}

// 接口调结果返回
if (!function_exists('result')) {
    function result($errno, $msg = '', $data = []): \think\response\Json
    {
        return \apiret\Api::result($errno)->message($msg)->response($data);
    }
}

// 密码加盐
if (!function_exists('password_with_salt')) {
    function password_with_salt($password, $salt)
    {
        return md5(hash('sha256', $password . $salt));
    }
}

// 生成随机字符串
if (!function_exists('random_str')) {
    /**
     * 生成随机字符串
     * @param $length integer 生成的长度
     * @param $type string 要生成的字符串类型(number, string, all)
     * @param $convert integer 大小写转换0为小写1为大写
     * @return string
     */
    function random_str($length, $type = "string", $convert = "0")
    {
        $conf = [
            'number' => '0123456789',
            'string' => 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
            'all' => 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789='
        ];
        $string = $conf[$type];
        if (!$string) {
            $string = $conf['string'];
        }
        $strlen = strlen($string) - 1;
        $char = '';
        for ($i = 0; $i < $length; $i++) {
            $char .= $string[mt_rand(0, $strlen)];
        }
        if ($convert > 0) {
            $res = strtoupper($char);
        } elseif ($convert == 0) {
            $res = $char;
        } elseif ($convert < 0) {
            $res = strtolower($char);
        }
        return $res;
    }
}