package steam

import (
	// "fmt"
	"git.riedstra.us/mitch/steam-export/archive"
	"os"
	"path/filepath"
)

func (l *Library) PackageGameToFile(index int, file string) error {
	g := l.Games[index]

	working_dir, err := os.Getwd()
	if err != nil {
		return err
	}
	// output := working_dir + "/" + g + ".tar"
	output, err := filepath.Abs(file)
	if err != nil {
		return err
	}

	os.Chdir(l.Folder)
	acf, err := l.FindACF(g)
	if err != nil {
		return err
	}
	input := []string{"common/" + g, acf}
	a := archive.Archive{Output: output, Input: input}
	err = a.Tar()
	if err != nil {
		return err
	}

	os.Chdir(working_dir)

	return nil
}

func (l *Library) ExtractGameFromFile(f string) error {
	working_dir, err := os.Getwd()
	if err != nil {
		return err
	}

	f, err = filepath.Abs(f)
	if err != nil {
		return err
	}

	if err = os.Chdir(l.Folder); err != nil {
		return err
	}
	u := &archive.Unarchive{
		Input: f,
	}
	if err := u.UnTar(); err != nil {
		return err
	}

	if err = os.Chdir(working_dir); err != nil {
		return err
	}
	return nil
}

func (l *Library) DeleteGame(i int) error {
	g := l.Games[i]

	working_dir, err := os.Getwd()
	if err != nil {
		return err
	}

	if err = os.Chdir(l.Folder); err != nil {
		return err
	}

	acf, err := l.FindACF(g)
	if err != nil {
		return err
	}
	// fmt.Fprintf(os.Stderr, "Removing %q %q\n", acf, "common/"+g)
	if err := os.Remove(acf); err != nil {
		return err
	}
	if err := os.RemoveAll("common/" + g); err != nil {
		return err
	}

	if err = os.Chdir(working_dir); err != nil {
		return err
	}

	return nil
}