package prep

import (
	"fmt"
	"os"
	"time"

	"go.wit.com/lib/config"
	"go.wit.com/log"
)

// since we know when the command starts (duh, this parses os.Args)
// this is a convienent way to provide a standard exit format back
// to the shell that also has built in timing!

// also, it supports a custom Exit() back to your application

func (pb *Auto) GoodExit(msg string) {
	go ExitWatchdog()
	if myAuto.appExit != nil {
		myAuto.appExit()
	}
	dur := time.Since(pb.Ctime.AsTime())
	log.Infof("%s: %s (%s)\n", pb.Argname, msg, config.FormatDuration(dur))
	os.Exit(0)
}

func (pb *Auto) BadExit(msg string, err error) {
	go ExitWatchdog()
	if myAuto.appExit != nil {
		myAuto.appExit()
	}
	if err != nil {
		log.Info(err)
	}
	dur := time.Since(pb.Ctime.AsTime())
	log.Infof("%s: %s (%s)\n", pb.Argname, msg, config.FormatDuration(dur))
	os.Exit(-1)
}

// this code doesn't need to be this complicated. I put it here as reference code for myself so I could remember where it is.
func ExitWatchdog() {
	dog := time.NewTicker(5 * time.Second)
	defer dog.Stop()
	dogchan := make(chan bool)
	/*
		// this example would exit/destroy the ticker in 10 seconds
		go func() {
			time.Sleep(10 * time.Second)
			done <- true
		}()
	*/
	for {
		select {
		case <-dogchan:
			fmt.Println("Done!")
			return
		case t := <-dog.C:
			_ = t
			log.Info("argv.Exit() watchdog: stalled in", myAuto.appName+".Exit()")
			// h.Scan()
		}
	}
}