package create

import (
	"fmt"
	"os/exec"
	"regexp"
	"errors"
	"os"
	"git.jcg.re/jcgruenhage/borgocli/run/config"
)

func Run(config config.Config) {
	var parameters []string
	parameters = append(parameters, "create")

	match, err := regexp.MatchString("[0-9]+,[0-9]+,[0-9]+,[0-9]+", config.Data.ChunkerParameters)
	check(err)

	if match {
		parameters = append(parameters, fmt.Sprintf("--chunker-params %s", config.Data.ChunkerParameters))
	} else if len(config.Data.ChunkerParameters) != 0 {
		panic(errors.New("The chunker parameters are malformed."))
	}

	match, err = regexp.MatchString("(none)|(lz4)|(zlib(,[0-9])?)|(lzma(,[0-9])?)", config.Data.Compression)
	check(err)

	if match {
		parameters = append(parameters, fmt.Sprintf("--compression %s", config.Data.Compression))
	} else if len(config.Data.ChunkerParameters) != 0 {
		panic(errors.New("The compression parameter is malformed"))
	}

	if len(config.Data.Excludes) != 0 {
		for i := 0; i < len(config.Data.Excludes); i++ {
			parameters = append(parameters, fmt.Sprintf("--exclude %s", config.Data.Excludes[i]))
		}
	}

	parameters = append(parameters, fmt.Sprintf("%s::%s-{now}", config.Data.Repository, config.Data.Hostname))
	parameters = append(parameters, config.Data.SourceDirectories...)

	if len(config.Data.Passphrase) != 0 {
		os.Setenv("BORG_PASSPHRASE", config.Data.Passphrase)
	}

	cmd := exec.Command("borg", parameters...)

	fmt.Print(cmd.Path, cmd.Args)

	if err := cmd.Run(); err != nil {
		panic(err)
	}
}
func check(err error) {
	if err != nil {
		panic(err)
	}
}