package useCases

import (
	"RenewCMS/internal/domain/audit"
	"RenewCMS/internal/domain/image"
	"context"
	"time"
)

type SetVariantEnabledUseCase struct {
	variants image.VariantRepository
	files    image.VariantFileRepository
	now      func() time.Time
	recorder audit.Recorder
}

func NewSetVariantEnabledUseCase(variants image.VariantRepository, files image.VariantFileRepository, now func() time.Time, recorder audit.Recorder) *SetVariantEnabledUseCase {
	return &SetVariantEnabledUseCase{variants, files, now, recorder}
}

func (u *SetVariantEnabledUseCase) SetEnabled(ctx context.Context, name string, enabled bool) (VariantSummary, error) {
	current, err := u.variants.Get(name)
	if err != nil {
		return VariantSummary{}, err
	}
	if current.Enabled == enabled {
		return summaryOf(current, u.files)
	}

	next := current
	next.Enabled = enabled
	next.UpdatedAt = u.now()
	updated, err := u.variants.Update(next)
	if err != nil {
		recordFailure(ctx, u.recorder, enabledEvent(next), err)
		return VariantSummary{}, err
	}
	u.recorder.Record(ctx, enabledEvent(updated))
	return summaryOf(updated, u.files)
}