package steam

import (
	"os"
	"path/filepath"
)

// GetSize returns the size of a game in a pretty format. If size is 0
// it will call SetSizeInfo before returning
func (g *Game) GetSize() string {
	if g.Size == 0 {
		_ = g.SetSizeInfo()
	}
	return formatBytes(g.Size)
}

// SetSizeInfo reads the size information for the game off of the disk
// and stores it in the Size struct element
func (g *Game) SetSizeInfo() error {
	pth := filepath.Join(g.LibraryPath, "common", g.Name)
	return filepath.Walk(pth, func(path string, info os.FileInfo, err error) error {
		if err != nil {
			return err
		}

		if info.Mode().IsRegular() {
			g.Size += info.Size()
		}

		return nil
	})
}