package convert

import (
	"log"

	"github.com/Masterminds/semver"
	"github.com/go-flucky/flucky/pkg/storage"
	"github.com/go-flucky/flucky/pkg/storage/logfile"

	"github.com/spf13/cobra"
)

var (
	compression bool
	configFile  *string
	round       float64

	version *semver.Version
)

var convertCmd = &cobra.Command{
	Use:     "convert",
	Short:   "Convert logfiles into other markup language",
	Args:    cobra.ExactArgs(2),
	Example: "flucky convert /var/log/flucky/logfile.json /var/log/flucky/logfile.csv",
	Run: func(cmd *cobra.Command, args []string) {

		logfileInput := logfile.New(args[0])
		measuredValues, err := logfileInput.Read()
		if err != nil {
			log.Fatalln(err)
		}

		if round != 0 {
			storage.Round(measuredValues, round)
		}

		if compression {
			measuredValues = storage.Compression(measuredValues)
		}

		logfileOutput := logfile.New(args[1])
		err = logfileOutput.Write(measuredValues)
		if err != nil {
			log.Fatalln(err)
		}
	},
}

// InitCmd ...
func InitCmd(cmd *cobra.Command, cnfFile *string, sversion *semver.Version) {
	configFile = cnfFile
	version = sversion

	cmd.AddCommand(convertCmd)
	convertCmd.Flags().BoolVar(&compression, "compression", false, "Compress measured values")
	convertCmd.Flags().Float64Var(&round, "round", 0, "Round values. The value 0 deactivates the function")

}