package hybridBackup

import (
	"log"
	"path/filepath"
	"strings"
)

/*
	Compare roots

	This script compare the files between two folder recursively

*/

//This function check which file exists in backup but not source drive
func (t *BackupTask) compareRootPaths() ([]*RestorableFile, error) {
	results := []*RestorableFile{}

	//Check if the source and the backup disk exists
	fastWalk(t.DiskPath, func(filename string) error {
		rootAbs, _ := filepath.Abs(t.DiskPath)
		fileAbs, _ := filepath.Abs(filename)

		rootAbs = filepath.ToSlash(filepath.Clean(rootAbs))
		fileAbs = filepath.ToSlash(filepath.Clean(fileAbs))

		relPath := strings.ReplaceAll(fileAbs, rootAbs, "")
		assumedTargetPosition := filepath.Join(t.ParentPath, relPath)
		log.Println(assumedTargetPosition)
		return nil
	})

	return results, nil
}