package search

import (
	"context"
	"fmt"
	"tercul/internal/app/localization"
	"tercul/internal/domain"
	"tercul/internal/platform/log"
	"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
	weaviate     search.WeaviateWrapper
}

func NewIndexService(localization localization.Service, weaviate search.WeaviateWrapper) IndexService {
	return &indexService{localization: localization, weaviate: weaviate}
}

func (s *indexService) IndexWork(ctx context.Context, work domain.Work) error {
	log.LogDebug("Indexing work", log.F("work_id", work.ID))
	// Choose best content snapshot for indexing
	content, err := s.localization.GetWorkContent(ctx, work.ID, work.Language)
	if err != nil {
		log.LogError("Failed to get work content for indexing", log.F("work_id", work.ID), log.F("error", err))
		return err
	}

	err = s.weaviate.IndexWork(ctx, &work, content)
	if err != nil {
		log.LogError("Failed to index work in Weaviate", log.F("work_id", work.ID), log.F("error", err))
		return err
	}
	log.LogInfo("Successfully indexed work", log.F("work_id", work.ID))
	return nil
}

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