package domain

import "strings"

// ContentPublishStatus controls learner visibility for LMS hierarchy entities (programs,
// courses, modules) and exam-prep hierarchy entities (catalog courses, units, unit modules,
// unit module lessons). Mirrors LessonPublishStatus / PracticePublishStatus.
type ContentPublishStatus string

const (
	ContentPublishDraft     ContentPublishStatus = "DRAFT"
	ContentPublishPublished ContentPublishStatus = "PUBLISHED"
)

// ContentPublishStatusFromDB normalizes persisted values.
func ContentPublishStatusFromDB(raw string) ContentPublishStatus {
	switch strings.TrimSpace(strings.ToUpper(raw)) {
	case string(ContentPublishPublished):
		return ContentPublishPublished
	default:
		return ContentPublishDraft
	}
}

// ContentPublishStatusFromCreateInput resolves create body: omit → draft; explicit value validated separately.
func ContentPublishStatusFromCreateInput(raw *string) ContentPublishStatus {
	if raw == nil || strings.TrimSpace(*raw) == "" {
		return ContentPublishDraft
	}
	return ContentPublishStatusFromDB(*raw)
}