package search

import (
	"context"
	"fmt"
	"log"
	"tercul/internal/app/localization"
	"tercul/internal/domain"
	"tercul/internal/platform/search"
)

// IndexService pushes localized snapshots into Weaviate for search
type IndexService interface {
	IndexWork(ctx context.Context, work domain.Work) error
}

type indexService struct {
	localization localization.Service
	translations domain.TranslationRepository
}

func NewIndexService(localization localization.Service, translations domain.TranslationRepository) IndexService {
	return &indexService{localization: localization, translations: translations}
}

func (s *indexService) IndexWork(ctx context.Context, work domain.Work) error {
	// Choose best content snapshot for indexing
	content, err := s.localization.GetWorkContent(ctx, work.ID, work.Language)
	if err != nil {
		return err
	}

	props := map[string]interface{}{
		"language":    work.Language,
		"title":       work.Title,
		"description": work.Description,
		"status":      work.Status,
	}
	if content != "" {
		props["content"] = content
	}

	_, wErr := search.Client.Data().Creator().
		WithClassName("Work").
		WithID(formatID(work.ID)).
		WithProperties(props).
		Do(ctx)
	if wErr != nil {
		log.Printf("weaviate index error: %v", wErr)
		return wErr
	}
	return nil
}

func formatID(id uint) string { return fmt.Sprintf("%d", id) }