// ingest_json.go – Importiert KI-Bildbeschreibungen aus einer JSON-Datei in Qdrant
package brain

import (
	"context"
	"encoding/json"
	"fmt"
	"log"
	"os"

	pb "github.com/qdrant/go-client/qdrant"
	openai "github.com/sashabaranov/go-openai"
	"google.golang.org/grpc/metadata"

	"my-brain-importer/internal/config"
)

// ImageEntry entspricht der JSON-Ausgabe von analyze-images.go
type ImageEntry struct {
	FilePath    string `json:"file_path"`
	FileName    string `json:"file_name"`
	Description string `json:"description"`
}

// RunIngestJSON importiert Bildbeschreibungen aus einer JSON-Datei in Qdrant.
func RunIngestJSON(inputFile string) {
	fmt.Printf("📂 Lade \"%s\"...\n", inputFile)
	raw, err := os.ReadFile(inputFile)
	if err != nil {
		log.Fatalf("❌ Datei nicht gefunden: %v", err)
	}

	var entries []ImageEntry
	if err := json.Unmarshal(raw, &entries); err != nil {
		log.Fatalf("❌ JSON Fehler: %v", err)
	}
	if len(entries) == 0 {
		log.Fatal("❌ Keine Einträge in JSON")
	}
	fmt.Printf("✅ %d Einträge geladen\n\n", len(entries))

	ctx := context.Background()
	ctx = metadata.AppendToOutgoingContext(ctx, "api-key", config.Cfg.Qdrant.APIKey)

	conn := config.NewQdrantConn()
	defer conn.Close()

	ensureCollection(ctx, pb.NewCollectionsClient(conn))
	pointsClient := pb.NewPointsClient(conn)
	embClient := config.NewEmbeddingClient()

	fmt.Printf("🤖 Embedding: %s (%s)\n\n", config.Cfg.Embedding.Model, config.Cfg.Embedding.URL)

	success := 0
	for i, entry := range entries {
		fmt.Printf("[%d/%d] 🔄 %s\n", i+1, len(entries), entry.FileName)

		embResp, err := embClient.CreateEmbeddings(ctx, openai.EmbeddingRequest{
			Input: []string{entry.Description},
			Model: openai.EmbeddingModel(config.Cfg.Embedding.Model),
		})
		if err != nil {
			log.Printf("   ❌ Embedding Fehler: %v\n", err)
			continue
		}

		_, err = pointsClient.Upsert(ctx, &pb.UpsertPoints{
			CollectionName: config.Cfg.Qdrant.Collection,
			Points: []*pb.PointStruct{
				{
					Id: &pb.PointId{
						PointIdOptions: &pb.PointId_Uuid{
							Uuid: generateID(entry.Description, entry.FileName),
						},
					},
					Vectors: &pb.Vectors{
						VectorsOptions: &pb.Vectors_Vector{
							Vector: &pb.Vector{Data: embResp.Data[0].Embedding},
						},
					},
					Payload: map[string]*pb.Value{
						"text":   {Kind: &pb.Value_StringValue{StringValue: entry.Description}},
						"source": {Kind: &pb.Value_StringValue{StringValue: entry.FileName}},
						"path":   {Kind: &pb.Value_StringValue{StringValue: entry.FilePath}},
						"type":   {Kind: &pb.Value_StringValue{StringValue: "image"}},
					},
				},
			},
		})
		if err != nil {
			log.Printf("   ❌ Speichern Fehler: %v\n", err)
		} else {
			success++
		}
	}

	fmt.Printf("\n✅ Fertig: %d von %d Bildern importiert\n", success, len(entries))
	fmt.Printf("🌐 Dashboard: http://%s:6333/dashboard\n", config.Cfg.Qdrant.Host)
}