package gui

import (
	"time"

	"go.wit.com/log"
)

var watchtime time.Duration = 100 // in tenths of seconds

/*
This program sits here.
If you exit here, the whole thing will os.Exit()
TODO: use Ticker

This goroutine can be used like a watchdog timer
*/
func Watchdog() {
	var i = 1
	/*
	for {
		log.Verbose("gui.Watchdog() is alive. give me something to do.", i)
		time.Sleep(watchtime * time.Second / 10)
	}
	*/
	// check the four known things to see if they are all WORKING
	myTicker(3*time.Second, "WATCHDOG", func() {
		i += 1
		log.Log(INFO, "myTicker() ticked", i)
	})
}

func myTicker(t time.Duration, name string, f func()) {
	ticker := time.NewTicker(t)
	defer ticker.Stop()
	done := make(chan bool)
	/*
		go func() {
			time.Sleep(10 * time.Second)
			done <- true
		}()
	*/
	for {
		select {
		case <-done:
			log.Warn("gui.Watchdog() Done!")
			return
		case t := <-ticker.C:
			log.Log(INFO, name, "Current time: ", t)
			f()
		}
	}
}