package useCases

import "RenewCMS/internal/domain/image"

type RenameMediaUseCase struct {
	imageRepository image.Repository
}

func NewRenameMediaUseCase(imageRepository image.Repository) *RenameMediaUseCase {
	return &RenameMediaUseCase{imageRepository}
}

func (u *RenameMediaUseCase) Rename(id uint32, stem string) (image.Image, error) {
	validStem, err := image.ValidateFilenameStem(stem)
	if err != nil {
		return image.Image{}, err
	}

	current, err := u.imageRepository.Get(id)
	if err != nil {
		return image.Image{}, err
	}

	return u.imageRepository.Rename(id, validStem+image.ExtensionOf(current.Filename))
}