package useCases

import (
	"RenewCMS/internal/domain/image"
	"slices"
)

type VariantDefinitionCommand struct {
	Width   *int
	Height  *int
	Fit     string
	Format  string
	Quality *int
}

func (c VariantDefinitionCommand) settings(encodable []image.VariantFormat) (image.VariantSettings, error) {
	settings, err := image.VariantSettings{
		Width:   c.Width,
		Height:  c.Height,
		Fit:     image.VariantFit(c.Fit),
		Format:  image.VariantFormat(c.Format),
		Quality: c.Quality,
	}.Normalized()
	if err != nil {
		return image.VariantSettings{}, err
	}
	if !slices.Contains(encodable, settings.Format) {
		return image.VariantSettings{}, image.ErrVariantFormatUnavailable
	}
	return settings, nil
}