<?php
/**
 * Sms.php UTF-8
 * 短信验证码
 *
 * @date    : 2018/4/23 12:29
 *
 * @license 这不是一个自由软件，未经授权不许任何使用和传播。
 * @author  : wuyonghong <wyh@huosdk.com>
 * @version : HUOSDK 8.0
 */

namespace huolib\sms;

use huolib\constant\CommonConst;
use huolib\status\MemberStatus;
use huolib\tool\StrUtils;
use think\App;
use think\Cache;

/**
 * 短信积累
 */
class Sms {
    protected $options     = [];
    protected $tag;
    protected $sms_setting = []; /* 短信设置 */
    protected $key         = '';
    protected $sms_content
                           = [
            'send_time'   => 0,/* 发送时间戳 */
            'renew_time'  => 0,/* 可以重新发送时间 */
            'expire_time' => 0,/* 10min钟内过期 */
            'end_time'    => 0,/* 第一次发送后到end_time前发送时间 */
            'send_cnt'    => 0,/* 今日发送次数 */
            'sms_code'    => 0,/* 短信验证码 */
            'sms_type'    => 0,/* 短信发送类型 */
        ];
    protected $max_cnt     = 50;    /* 单个手机号每日发送最大数量 */
    protected $expire_time = 600;   /* 过期时间 */
    protected $end_time    = CommonConst::CONST_DAY_SECONDS; /* 结束时间 */
    protected $renew_time  = 120;   /* 可以重新发送时间 */
    public function __construct() {
        /* 获取短信设置 */
        $_conf_file = GLOBAL_CONF_PATH."extra/sms/setting.php";
        if (file_exists($_conf_file)) {
            $_sms_setting = include $_conf_file;
            foreach ($_sms_setting as $_key => $_val) {
                if (0 != $_val) {
                    $this->sms_setting[$_key] = $_val;
                }
            }
        }
    }

    /**
     * 标准返回
     *
     * @param $code
     *
     * @return mixed
     */
    private function getReturnByCode($code) {
        $_rdata['code'] = $code;
        $_rdata['msg'] = MemberStatus::getMsg($code);
        $_rdata['data'] = [];

        return $_rdata;
    }

    /**
     * 发送短信验证码
     *
     * @param      $mobile
     * @param      $type
     *
     * @return mixed
     */
    public function send($mobile, $type) {
        /* 检查手机号格式是否正确 */
        $_rs = StrUtils::checkPhone($mobile);
        if (false == $_rs) {
            return $this->getReturnByCode(MemberStatus::PHONE_ERROR);
        }
        $_rs = SmsType::checkSmsType($type);
        if (false == $_rs) {
            return $this->getReturnByCode(MemberStatus::CODE_TYPE_ERROR);
        }
        $_is_not_send = $this->isNotSend($mobile);
        if (true !== $_is_not_send) {
            /* 手机短信码已发送 */
            return $this->getReturnByCode(MemberStatus::PHONE_HAS_SEND);
        }
        $_sms_code = $this->genSmsCode();
        $_send_rs = $this->sendExec($mobile, $type, $_sms_code);
        if (MemberStatus::NO_ERROR != $_send_rs) {
            /* 验证码发送失败 */
            return $this->getReturnByCode($_send_rs);
        }
        $_sms_content = $this->get($mobile);
        $_end_time = strtotime(date('Y-m-d')) + $this->end_time;
        if (empty($_sms_content)) {
            $_sms_content = $this->sms_content;
            $_sms_content['end_time'] = $_end_time;
        }
        $_sms_content['send_time'] = time();
        $_sms_content['renew_time'] = $_sms_content['send_time'] + $this->renew_time;
        $_sms_content['expire_time'] = $_sms_content['send_time'] + $this->expire_time;
        $_sms_content['send_cnt']++;
        $_sms_content['sms_code'] = $_sms_code;
        $_sms_content['sms_type'] = $type;
        $this->set($mobile, $_sms_content);

        /* 验证码发送成功 */

        return $this->getReturnByCode(MemberStatus::NO_ERROR);
    }

    /**
     * 校验手机验证码
     *
     * @param $mobile
     * @param $sms_code
     * @param $type
     *
     * @return mixed
     */
    public function check($mobile, $sms_code, $type) {
        // TODO: wuyonghong 2018/4/26 添加校验    
        if (APP::$debug) {
            return $this->getReturnByCode(MemberStatus::NO_ERROR);
        }
        /* 检查手机号格式是否正确 */
        $_rs = StrUtils::checkPhone($mobile);
        if (false == $_rs) {
            return $this->getReturnByCode(MemberStatus::PHONE_ERROR);
        }
        $_rs = SmsType::checkSmsType($type);
        if (false == $_rs) {
            return $this->getReturnByCode(MemberStatus::CODE_TYPE_ERROR);
        }
        $_sms_content = $this->get($mobile);
        if (empty($_sms_content) || empty($_sms_content['sms_code'])) {
            /* 查询是否发送过验证码 */
            return $this->getReturnByCode(MemberStatus::CODE_NOT_SEND);
        }
        $_now_time = time();
        if (empty($_sms_content['expire_time']) || ($_sms_content['expire_time'] < $_now_time && !APP::$debug)) {
            /* 查询验证码是否过期  */
            $_sms_content['sms_type'] = '';
            $_sms_content['sms_code'] = '';
            $_sms_content['send_time'] = 0;
            $_sms_content['renew_time'] = 0;
            $_sms_content['expire_time'] = 0;
            $this->set($mobile, $_sms_content);

            return $this->getReturnByCode(MemberStatus::CODE_IS_EXPIRED);
        }
        if ($_sms_content['sms_code'] != $sms_code) {
            /* 验证码错误  */
            return $this->getReturnByCode(MemberStatus::CODE_ERROR);
        }
        if (!APP::$debug) {
            /* 调试模式可以一直验证 */
            /* 验证成功 */
            $_sms_content['sms_type'] = '';
            $_sms_content['sms_code'] = '';
            $_sms_content['send_time'] = 0;
            $_sms_content['renew_time'] = 0;
            $_sms_content['expire_time'] = 0;
            $this->set($mobile, $_sms_content);
        }

        return $this->getReturnByCode(MemberStatus::NO_ERROR);
    }

    /**
     * 生成短信验证码
     *
     * @return string
     */
    private function genSmsCode() {
        $_sms_code = rand(100000, 999999);

        return $_sms_code.'';
    }

    /**
     * 获取Cache key
     *
     * @param string $mobile
     *
     * @return string
     */
    public function getKey($mobile = '') {
        return 'sms_'.$mobile;
    }

    /**
     * 判断短信是否发送
     *
     * @param $mobile
     *
     * @return mixed true 表示未发送  其他 表示已发送
     */
    private function isNotSend($mobile) {
        $_sms_content = $this->get($mobile);
        if (empty($_sms_content)) {
            return true;
        }
        $_now_time = time();
        if ($_sms_content['end_time'] >= $_now_time) {
            /* 超过最后时间,删除所有 */
            $this->clear($mobile);

            return true;
        }
        if ($_sms_content['renew_time'] > $_now_time) {
            /* 未超过限定时间 */
            return $this->getReturnByCode(MemberStatus::PHONE_HAS_SEND);
        }
        if ($_sms_content['send_cnt'] >= $this->max_cnt) {
            /* 每日最多发送次数 */
            return $this->getReturnByCode(MemberStatus::PHONE_SEND_MORE);
        }

        return true;
    }

    /**
     * 获取内容
     *
     * @param $mobile
     *
     * @return mixed
     */
    private function get($mobile) {
        $_key = $this->getKey($mobile);

        return Cache::get($_key);
    }

    /**
     * 设置键值
     *
     * @param $mobile
     * @param $data
     */
    private function set($mobile, $data) {
        $_key = $this->getKey($mobile);
        Cache::set($_key, $data);
    }

    private function clear($mobile) {
        $_key = $this->getKey($mobile);
        Cache::rm($_key);
    }

    /**
     * 执行发送短信验证码
     *
     * @param      $mobile
     * @param      $type
     * @param      $sms_code
     *
     * @return bool
     */
    private function sendExec($mobile, $type, $sms_code) {
        $_rs_code = MemberStatus::NO_ERROR;
        foreach ($this->sms_setting as $_key => $_val) {
            $_class_name = '\\huolib\\sms\\driver\\'.ucwords($_key);
            $_class = new $_class_name();
            $_rs_code = $_class->send($mobile, $type, $sms_code);
            if (MemberStatus::NO_ERROR == $_rs_code) {
                break;
            }
        }

        return $_rs_code;
    }

    /**
     * @return int
     */
    public function getMaxCnt() {
        return $this->max_cnt;
    }

    /**
     * @param int $max_cnt
     */
    public function setMaxCnt($max_cnt) {
        $this->max_cnt = $max_cnt;
    }

    /**
     * @return int
     */
    public function getExpireTime() {
        return $this->expire_time;
    }

    /**
     * @param int $expire_time
     */
    public function setExpireTime($expire_time) {
        $this->expire_time = $expire_time;
    }

    /**
     * @return int
     */
    public function getRenewTime() {
        return $this->renew_time;
    }

    /**
     * @param int $renew_time
     */
    public function setRenewTime($renew_time) {
        $this->renew_time = $renew_time;
    }
}