package boltbackend

import (
	"errors"

	"github.com/boltdb/bolt"
	"github.com/gorilla/feeds"
)

// BoltBackend is a Bolt-powered storage backend for bacheca
type BoltBackend struct {
	db *bolt.DB
}

// MakeBoltBackend returns a BoltBackend instance
func MakeBoltBackend(path string) (*BoltBackend, error) {
	db, err := bolt.Open(path, 0600, nil)
	return &BoltBackend{
		db: db,
	}, err
}

// Close closes the underlying bolt handler
func (b *BoltBackend) Close() error {
	return b.db.Close()
}

// GetFeed returns the whole feed
func (b *BoltBackend) GetFeed() (*feeds.Feed, error) {
	return nil, errors.New("not implemented")
}

// AddItem adds an item to the feed
func (b *BoltBackend) AddItem(item feeds.Item) (string, error) {
	return "", errors.New("not implemented")
}

// RemoveItem removes an item by ID
func (b *BoltBackend) RemoveItem(id string) error {
	return errors.New("not implemented")
}

// ReplaceItem replaces the item at a specified ID with the data provided
func (b *BoltBackend) ReplaceItem(id string, item feeds.Item) error {
	return errors.New("not implemented")
}

// SetInfo sets the feed metadata (like title and description)
func (b *BoltBackend) SetInfo(info feeds.Feed) error {
	return errors.New("not implemented")
}