// Package id provides internal identifier generators used by Mail Service.
package id

import (
	"fmt"

	"galaxy/mail/internal/domain/common"

	"github.com/google/uuid"
)

// Generator builds UUID-backed internal delivery identifiers.
type Generator struct{}

// NewDeliveryID returns one new UUID v4 delivery identifier.
func (Generator) NewDeliveryID() (common.DeliveryID, error) {
	value, err := uuid.NewRandom()
	if err != nil {
		return "", fmt.Errorf("new delivery id: %w", err)
	}

	return common.DeliveryID(value.String()), nil
}