package ICCC

import "fmt"
import "time"
import "labix.org/v2/mgo/bson"
import "github.com/SommerEngineering/Ocean/Shutdown"
import "github.com/SommerEngineering/Ocean/ICCC/Scheme"
import "github.com/SommerEngineering/Ocean/Log"
import LM "github.com/SommerEngineering/Ocean/Log/Meta"

func initCacheTimer() {

	go func() {
		for {

			if Shutdown.IsDown() {
				return
			}

			lastCount := cacheListenerDatabase.Len()
			selection := bson.D{{`IsActive`, true}}
			entriesIterator := collectionListener.Find(selection).Iter()
			entry := Scheme.Listener{}

			cacheListenerDatabaseLock.Lock()
			cacheListenerDatabase.Init()
			for entriesIterator.Next(&entry) {
				cacheListenerDatabase.PushBack(entry)
			}

			cacheListenerDatabaseLock.Unlock()
			nextDuration := time.Duration(5) * time.Minute
			if cacheListenerDatabase.Len() == 0 {
				nextDuration = time.Duration(10) * time.Second
			}

			Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameEXECUTE, `The listener cache was refreshed with the values from the database.`, fmt.Sprintf(`last count=%d`, lastCount), fmt.Sprintf(`new count=%d`, cacheListenerDatabase.Len()))
			time.Sleep(nextDuration)
		}
	}()
}