package hash

import (
	"encoding/json"
	"io/ioutil"
	"path/filepath"
	"time"
)

// Fdhashes struct for holding all informations about one folder.
type Fdhashes struct {
	Path   string
	Hashes map[string]string
	Times  map[string]time.Time
	Dirty  bool
}

func LoadHashfile(fileStr string) (*Fdhashes, error) {
	dir, _ := filepath.Split(fileStr)
	dir = filepath.ToSlash(filepath.Clean(dir))
	var data Fdhashes
	file, err := ioutil.ReadFile(fileStr)
	if err != nil {
		return nil, err
	}
	err = json.Unmarshal([]byte(file), &data)
	if err != nil {
		return nil, err
	}
	if data.Path != dir {
		data.Path = dir
		data.Dirty = true
	}
	return &data, nil
}

/*
func LoadHashfile(fileStr string) Fdhashes {
	dir, _ := filepath.Split(fileStr)
	dir = filepath.ToSlash(filepath.Clean(dir))
	data := Fdhashes{Path: dir, Hashes: make(map[string]string), Times: make(map[string]time.Time), Dirty: false}
	if !rewrite {
		file, err := ioutil.ReadFile(fileStr)
		if err != nil {
			panic(err)
		}
		err = json.Unmarshal([]byte(file), &data)
		if err != nil {
			log.Printf("can't read file %s", fileStr)
		}
	}
	if data.Path != dir {
		data.Path = dir
		data.Dirty = true
	}
	return data
}
*/