package Filesystem

import (
	"PackageManager/Client/Database"
	"PackageManager/Client/ProgressBar"
	"PackageManager/Variables"

	"github.com/vbauerster/mpb"
	bolt "go.etcd.io/bbolt"
)

func CommitFiles() error {
	var (
		indexBucket *bolt.Bucket
		picksBucket *bolt.Bucket
		bar         *mpb.Bar
		pickedFiles []string
		f           string
		e           error
	)

	e = Database.FsDB.Batch(func(tx *bolt.Tx) error {
		indexBucket = tx.Bucket(Variables.FsHashIndexBucket)
		picksBucket = tx.Bucket(Variables.FsHashPicksBucket)

		picksBucket.ForEach(func(k, v []byte) error {
			pickedFiles = append(pickedFiles, string(k))
			return nil
		})

		if len(pickedFiles) > 0 {
			bar = ProgressBar.InitBar("Commiting...", len(pickedFiles))
			for _, f = range pickedFiles {
				bar.Increment()
				e = AddFileToBucket(indexBucket, f)
				if e != nil {
					return nil
				}
			}

			e = tx.DeleteBucket(Variables.FsHashPicksBucket)
			if e != nil {
				return e
			}
			ProgressBar.CloseBar(bar)
		}

		return nil
	})

	return e
}