package monitor

import (
	"fmt"
	"github.com/golang-module/carbon/v2"
	"samba/pkg/log"
	"samba/pkg/task"
	"samba/pkg/xtime"
	"samba/util/model"
	"time"
)

type RegMonitor struct {
	*Ding

	last      carbon.Carbon
	lastCount int64
}

func (r *RegMonitor) Init(t *task.Task) {
	t.Ticker(10 * time.Minute)
}

func (r *RegMonitor) Name() string {
	return "注册异常检测"
}

func (r *RegMonitor) Do(*task.Task) {
	count, err := model.NewUserInfoOp().Count()
	if err != nil {
		log.Error(err.Error())
		return
	}

	if count > r.lastCount {
		// 人数增加
		r.lastCount = count
		r.last = xtime.Now()
		return
	}

	// 人数不变
	dur := r.last.DiffInDuration(xtime.Now())
	if dur < 15*time.Minute {
		return
	}

	err = r.Ding.SendMessageText(fmt.Sprintf("注册异常！%.2f分钟内没有新注册用户", dur.Minutes()))
	if err != nil {
		log.Error(err.Error())
		return
	}
}