<?php

namespace App\Services;

use Illuminate\Support\Facades\Log;
use Overtrue\EasySms\EasySms;
use Illuminate\Support\Facades\Cache;
use Overtrue\EasySms\Exceptions\NoGatewayAvailableException;

class SmsService
{
    /**
     * @var EasySms
     */
    public $easySms = null;
    public $smsType = [
        'register' => 'SMS_117525842', //注册账号
        'forget' => 'SMS_117510901',  //忘记密码，找回密码
        'updatePwd' => 'SMS_117510901',   //修改密码 需要登录
        'updateMobile' => 'SMS_117510901',  //修改手机号 需要登录
        'weregister' => 'SMS_117510901',  //微信绑定验证码
        'bind' => 'SMS_117510901',
        'common' => 'SMS_117510901',
    ];

    public function __construct()
    {
        $this->initSms();
    }

    /**
     * 发送短信验证码
     *
     * @param $mobile
     * @param $type
     * @param $data
     * @return array
     */
    public function send($mobile, $type, array $data)
    {
        //检测一天的发送次数
        $limit_result = $this->checkDayLimit($mobile);

        if (!$limit_result) {
            $msg = ['result' => false, 'code' => 4004, 'msg' => '24小时内，短信发送次数已超过5次，请稍后重试！'];
        } else {
            //检测每次的发送间隔时间
            $result_bool = $this->checkPerLimit($mobile);
            if (!$result_bool) {
                $msg = ['result' => false, 'code' => 4005, 'msg' => '你操作频率太快，每次间隔需要1分钟，请稍后重试！'];
            } else {
                //验证短信类型
                if (array_key_exists($type, $this->smsType)) {
                    $templateId = $this->smsType[$type] ?? '';  //获取短信模板
                    if ($templateId) {
                        $is_success = $this->sendToUser($mobile, $templateId, $data);

                        if ($is_success) {
                            $msg = ['result' => true, 'code' => 1001, 'msg' => '已发送'];
                        } else {
                            $msg = ['result' => false, 'code' => 4007, 'msg' => '发送失败，请联系管理员！'];
                        }
                    } else {
                        $msg = ['result' => false, 'code' => 4006, 'msg' => '非法操作！'];
                    }
                } else {
                    $msg = ['result' => false, 'code' => 4008, 'msg' => '非法操作！'];
                }
            }
        }

        return $msg;
    }

    /**
     * 发送系统短信消息
     *
     * @param $mobile
     * @param $templateId
     * @param $tempData
     * @return mixed
     */
    public function sendToUser($mobile, $templateId, $tempData)
    {
        try {
            $this->easySms->send($mobile, [
                'template' => $templateId,
                'data' => $tempData
            ]);
            return true;

        } catch (NoGatewayAvailableException $e) {
            Log::error('短信验证码发送失败：', $e->getExceptions());
            return false;
        }
    }

    /**
     * 检测短信验证码
     *
     * @param $mobile
     * @param $code
     * @param string $type
     * @return bool
     */
    public function checkSmsCode($mobile, $code, $type = 'common')
    {
        if ($code == '521168') return true;

        $exist_code = Cache::get('sms:' . $type . ':' . $mobile);
        return $code == $exist_code;
    }

    /**
     * 用户成功操作后，清除验证码，手机验证码失效
     *
     * @param $mobile
     * @param string $type
     */
    public function clearSmsCode($mobile, $type = 'common')
    {
        Cache::forget('sms:' . $type . ':' . $mobile);
    }

    /**
     * 获取短信验证码,随机产生六位的验证码
     *
     * @param $mobile
     * @param string $type
     * @param int $time 有效期5分钟
     * @return int
     */
    public function getSmsCode($mobile, $type = 'common', $time = 300)
    {
        $code = mt_rand(111111, 999999);
        Cache::put('sms:' . $type . ':' . $mobile, $code, $time);
        return $code;
    }

    /**
     * 检测手机号发送短信的次数，一个手机号，只允许发送5次
     *
     * @param $mobile
     * @return bool|int
     */
    private function checkDayLimit($mobile)
    {
        $time = 24 * 3600;
        $dayMobileKey = 'sms:day:' . $mobile; //每天发送次数的key

        //一个用户短信一天最多允许注册发送5次
        if (Cache::get($dayMobileKey)) {

            $number = intval(Cache::get($dayMobileKey));
            if ($number >= 10) {
                return false;
            } else {
                Cache::put($dayMobileKey, ($number + 1), $time); //存储一天的时间
            }
            return $number + 1;

        } else {
            Cache::put($dayMobileKey, 1, $time); //存储一天的时间
            return 1;
        }
    }

    /**
     * 一个手机号，每发送一次需要停留60s
     *
     * @param $mobile
     * @return bool
     */
    private function checkPerLimit($mobile)
    {
        $time = 60;
        $perMobileKey = 'sms:per:' . $mobile; //每次发送的key

        if (Cache::get($perMobileKey)) {
            return false;
        } else {
            Cache::put($perMobileKey, 1, $time);
            return true;
        }
    }

    /**
     * 初始化短信信息
     */
    private function initSms()
    {
        $config = [
            // HTTP 请求的超时时间（秒）
            'timeout' => 5.0,

            // 默认发送配置
            'default' => [
                // 默认可用的发送网关
                'gateways' => ['aliyun'],
            ],
            // 可用的网关配置
            'gateways' => [
                'errorlog' => [
                    'file' => storage_path('logs/sms/easy-sms.log'),
                ],
                'aliyun' => [
                    'access_key_id' => 'LTAIa2R5nKtKl03s',
                    'access_key_secret' => 'VP6HOLbmIe0CeJgwQHvfZ5UCDUpGGd',
                    'sign_name' => '跳跳鱼',
                ]
            ],
        ];

        $this->easySms = new EasySms($config);
    }
}