// Copyright (C) 2018 Storj Labs, Inc.
// See LICENSE for copying information.

package node

import (
	"context"

	"storj.io/storj/pkg/provider"
)

// ID is the unique identifier of a Node in the overlay network
type ID string

// NewFullIdentity creates a new ID for nodes with difficulty and concurrency params
func NewFullIdentity(ctx context.Context, difficulty uint16, concurrency uint) (*provider.FullIdentity, error) {
	ca, err := provider.NewCA(ctx, provider.NewCAOptions{
		Difficulty:  difficulty,
		Concurrency: concurrency,
	})
	if err != nil {
		return nil, err
	}
	identity, err := ca.NewIdentity()
	if err != nil {
		return nil, err
	}
	return identity, err
}

// String transforms the ID to a string type
func (n *ID) String() string {
	return string(*n)
}

// Bytes transforms the ID to type []byte
func (n *ID) Bytes() []byte {
	return []byte(*n)
}

// IDFromString trsansforms a string to a ID
func IDFromString(s string) *ID {
	n := ID(s)
	return &n
}