<?php

namespace console\services;

use common\models\backend\BackendNotice;
use console\models\Mall;
use Yii;
use yii\base\BaseObject;

/**
 * 站点
 * 
 * Class SiteService
 * @package console\services
 */
class SiteService extends BaseObject
{
    /**
     * 站点到期检测
     * 
     * @return boolean
     */
    public function expirationDetection()
    {
        $list = Mall::getTimeLimitMall();

        // 提醒时间
        $reminder_times = [
            ['=', 30],
            ['=', 15],
            ['<', 7],
        ];
    
        $time = strtotime(date('Y-m-d'));
        foreach ($reminder_times as $reminder_time) {
            list($exp, $limit) = $reminder_time;

            // 获取符合的商城
            $site_list = array_filter($list, function ($item) use ($exp, $limit, $time) {
                $expired_at = $item['expired_at'];
                return $this->expDay($exp, $this->getLeftDay($expired_at, $time), $limit);
            });

            $site_list && $this->sendMessage($site_list, $exp, $limit);
        }
    }

    /**
     * 计算
     *
     * @param string $exp
     * @param integer $day  当前剩余天数
     * @param integer $limit  提醒天数
     * @return boolean
     */
    private function expDay(string $exp, int $day, int $limit)
    {
        switch ($exp) {
            case '>':
                return $day > $limit;
                break;

            case '<':
                return $day < $limit;
                break;

            default:
                return $day == $limit;
                break;
        }
        return false;
    }

    /**
     * 发送信息
     *
     * @param array $list
     * @param string $exp
     * @param integer $day
     * @return boolean
     */
    protected function sendMessage(array $list, string $exp, int $day)
    {
        $time = strtotime(date('Y-m-d'));

        $phone = Yii::$app->services->setting->platform->get('system.contact_tel');
        foreach ($list as $site) {
            $title = '站点到期提醒';
            $msg = sprintf(
                '您的站点剩余时间还剩下%s天，为了不影响您的使用，请及时联系客服人员进行续费。(或联系客服电话：%s)',
                // date('Y-m-d', $site['expired_at']),
                $this->getLeftDay($site['expired_at'], $time),
                $phone
            );

            BackendNotice::addMallNotice($site['id'], $title, $msg, BackendNotice::ARREARS);
        }
    }

    /**
     * 计算剩余天数
     *
     * @param integer $expired_at
     * @param integer $time
     * @return int
     */
    protected function getLeftDay(int $expired_at, int $time)
    {
        return ceil(bcdiv(bcsub($expired_at, $time), 86400, 2));
    }
}