package daemon

import (
	"log"
	"time"

	"github.com/go-flucky/flucky/pkg/config"
	"github.com/go-flucky/flucky/pkg/daemon"
	"github.com/go-flucky/flucky/pkg/logger"
	"github.com/go-flucky/flucky/pkg/sensor"
	"github.com/spf13/cobra"
)

var cleanCacheInterval string
var compression bool
var configFile string
var round float64
var temperatureUnit string

var daemonCmd = &cobra.Command{
	Use:   "daemon",
	Short: "Read continuously data from all enabled sensors",
	Run: func(cmd *cobra.Command, args []string) {
		// read configuration
		cnf, err := config.Read(configFile)
		if err != nil {
			log.Fatalln(err)
		}

		duration, err := time.ParseDuration(cleanCacheInterval)
		if err != nil {
			log.Fatalf("Can not parse clean cache interval into duration time: %v", err)
		}

		logger := logger.NewDefaultLogger(logger.LogLevelDebug)

		measurementUnit, err := sensor.SelectTemperatureMeasurementUnit(temperatureUnit)
		if err != nil {
			log.Fatalf("Can not parse temperature unit: %v", temperatureUnit)
		}

		daemon.Start(cnf, duration, compression, measurementUnit, round, logger)

	},
}

func InitCmd(cmd *cobra.Command, cnfFile string) {
	configFile = cnfFile
	cmd.AddCommand(daemonCmd)
	daemonCmd.Flags().BoolVar(&compression, "compression", true, "Compress measured values")
	daemonCmd.Flags().StringVar(&cleanCacheInterval, "clean-cache-interval", "5m", "Minute intervall to clean cache and write measured values into logfile")
	daemonCmd.Flags().Float64Var(&round, "round", 0.25, "Round values. The value 0 deactivates the function")
	daemonCmd.Flags().StringVar(&temperatureUnit, "temperature-unit", "celsius", "Temperature unit")
}