package main

import (
	"flag"
	log "github.com/sirupsen/logrus"
	"os"
	"os/signal"
	"rpiMqttControl/internal/Config"
	"rpiMqttControl/internal/MqttService"
	"rpiMqttControl/internal/PinControlService"
)

var (
	Version   string = "0.0.0"
	GitCommit string = "000000"
)

func main() {
	versionStr := Version + "-" + GitCommit
	flagConfig := flag.String("config", "/etc/rpicontrol/rpicontrol.conf", "path to config file")
	flagLogLevel := flag.String("log", "info", "set log level for console output")
	flagVersion := flag.Bool("version", false, "output version and exit")

	flag.Parse()

	if *flagVersion {
		print(versionStr)
		os.Exit(0)
	}

	log.Infof("starting rpicontrol Version %s", versionStr)

	if level, err := log.ParseLevel(*flagLogLevel); err != nil {
		log.SetLevel(log.WarnLevel)
		log.Warnf("could not set log level. %s", err.Error())
	} else {

		log.SetLevel(level)
	}

	config, errConfig := Config.NewConfigFromYamlFile(*flagConfig)
	if errConfig != nil {
		log.Fatal(errConfig)
		os.Exit(1)
	}

	pinControl, err := PinControlService.NewPinControl(&config.PinControlConfig)
	if err != nil {
		log.Fatal(err)
		os.Exit(1)
	}

	mqttService := MqttService.NewMqttService(config.MqttConfig, pinControl)

	signalCh := make(chan os.Signal, 1)
	signal.Notify(signalCh, os.Interrupt)

	mqttService.Start()
	pinControl.Start()

	for {
		select {
		case <-signalCh:
			log.Info("attempting to shutdown...")
			pinControl.Stop()
			mqttService.Stop()
			os.Exit(0)
		}
	}

}