package question

import (
	"strings"

	domain "knowfoolery/backend/services/question-bank-service/internal/domain/question"
	sharedsecurity "knowfoolery/backend/shared/infra/security"
)

func sanitizeAndValidateItem(item BulkImportItem) (BulkImportItem, error) {
	sanitized := BulkImportItem{
		Theme:      sharedsecurity.SanitizeTheme(item.Theme),
		Text:       sharedsecurity.SanitizeQuestionText(item.Text),
		Answer:     sharedsecurity.SanitizeAnswer(item.Answer),
		Hint:       sharedsecurity.SanitizeQuestionText(item.Hint),
		Difficulty: item.Difficulty,
	}

	if sanitized.Theme == "" || sanitized.Text == "" || sanitized.Answer == "" {
		return BulkImportItem{}, domain.ErrValidationFailed
	}
	if !domain.IsValidDifficulty(sanitized.Difficulty) {
		return BulkImportItem{}, domain.ErrValidationFailed
	}
	if strings.TrimSpace(sanitized.Hint) == "" {
		sanitized.Hint = ""
	}

	return sanitized, nil
}