<?php namespace Msg\Lib\Type;
use Dever;
class Code
{
    private $config;
    # 发送验证码
    public function send($template, $account, $param = [])
    {
        $this->config = Dever::db('template_code', 'msg')->find(['template_id' => $template['id']]);
        if (!$this->config) {
            Dever::error('验证码未配置');
        }
        $data['template_id'] = $template['id'];
        $data['day'] = date('Ymd', DEVER_TIME);
        $code = $this->createCode();
        if ($template['content']) {
            $template['content'] = \Dever\Helper\Str::val($template['content'], $param);
        }
        foreach ($template['method'] as $k => $v) {
            $handle = Dever::load('method/' . $v, 'msg');
            $data['account'] = $handle->init($template['id'], $account);
            $this->valid($data);
            if ($template['status'] == 1) {
                $data['record'] = $handle->send($template['content'], ['code' => $code]);
            }
            $data['code'] = $code;
            $data['status'] = 1;
            Dever::db('code', 'msg')->insert($data);
        }
        $msg = '验证码发送成功';
        if ($template['status'] == 2) {
            $msg .= '::' . $code;
        }
        return $msg;
    }

    # 检测并使用验证码
    public function check($template_id, $account, $code, $update = 1)
    {
        $info = Dever::db('code', 'msg')->find(['template_id' => $template_id, 'account' => $account], ['order' => 'cdate desc']);
        if ($info && $info['status'] == 1 && $code == $info['code']) {
            if ($update == 1) {
                Dever::db('code', 'msg')->update($info['id'], ['status' => 2]);
            }
            return true;
        }
        return false;
    }

    private function createCode()
    {
        $len = $this->config['length'] ? $this->config['length'] : 4;
        $type = $this->config['type'] ? $this->config['type'] : 1;
        return \Dever\Helper\Str::rand($len, $type - 1);
    }

    protected function valid($where)
    {
        $info = Dever::db('code', 'msg')->find($where);
        if ($info) {
            if (DEVER_TIME - $this->config['cdate'] < $this->config['interval']) {
                Dever::error('请不要在'.$this->config['interval'].'秒之内申请多次验证码，请您稍后再试');
            } elseif (Dever::db('code', 'msg')->count($where) >= $this->config['total']) {
                Dever::error('很抱歉，您已经申请获取验证码超过' . $this->config['total'] . '次，今天您已经无法获取验证码了，请您明天再来');
            }
        }
    }
}