package moon

import "time"

func RunAndBan() {
	for {
		// If user have both events, he is not spammer. So wipe him from unchecked events list, just for sure.
		for _, chatid := range ChatList {
			for _, AppearedMember := range ListAppearedMembers(chatid) {
				for _, NewMember := range ListNewMembers(chatid) {
					if AppearedMember == NewMember {
						Log.Infof("Skip banning %d, because it has both events newMember and updateMember")
						DeleteAppearedMember(chatid, AppearedMember)
						DeleteNewMember(chatid, NewMember)
					}
				}
			}
		}

		currentTime := time.Now().Unix()

		// We would like to process only events that definitely older than 10 seconds!
		for _, chatid := range ChatList {
			for _, AppearedMember := range ListAppearedMembers(chatid) {
				eventTimestamp := FindAppearedMember(chatid, AppearedMember)
				eventTimeDelta := currentTime - eventTimestamp

				// Looks like it is spammer!
				if eventTimeDelta > 10 {
					Log.Infof("Ban user that have no newChatMember message since chatMemberUpdated for more than 10 seconds")

					squash(chatid, AppearedMember)
				}
			}

			for _, NewMember := range ListNewMembers(chatid) {
				eventTimestamp := FindAppearedMember(chatid, NewMember)
				eventTimeDelta := currentTime - eventTimestamp

				// Totally new members should not have chatMemberUpdated events.
				if eventTimeDelta > 15 {
					Log.Debugf("Clean newChatMember event record older than 10 seconds for user %s", NewMember)
					DeleteNewMember(chatid, NewMember)
				}
			}
		}

		time.Sleep(10 * time.Second)
	}
}

/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */