package steam

import (
	"fmt"
	"io/ioutil"
	//"log"
)

type Library struct {
	Folder string
	Games  []string
}

func ProcessMultipleLibraries(r []string) ([]*Library, error) {
	var libs []*Library
	for _, i := range r {
		lib := &Library{}
		err := lib.ProcessLibrary(i)
		if err != nil {
			return nil, err
		}
		libs = append(libs, lib)
	}
	return libs, nil
}

func (s *Library) ProcessLibrary(r string) error {
	if hasCommon(r) {
		dirs, err := ioutil.ReadDir(r + "/common")
		if err != nil {
			return err
		}
		s.Folder = r
		for _, f := range dirs {
			if f.IsDir() {
				// log.Println(*s.Games)
				s.Games = append(s.Games, f.Name())
			}
		}
	}
	return nil
}

func (s *Library) String() (str string) {
	str = fmt.Sprintln("----")
	str = str + fmt.Sprintln(s.Folder)
	str = str + "----\n"
	for _, v := range s.Games {
		str = str + fmt.Sprintln(v)
	}
	return
}

func hasCommon(d string) bool {
	dirs, err := ioutil.ReadDir(d)
	if err != nil {
		return false
	}
	for _, f := range dirs {
		if f.Name() == "common" && f.IsDir() {
			return true
		}
	}
	return false
}