package com.ruoyi.ai.config;

import dev.langchain4j.data.segment.TextSegment;
import dev.langchain4j.model.embedding.EmbeddingModel;
import dev.langchain4j.store.embedding.EmbeddingStore;
import dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore;
import dev.langchain4j.store.embedding.pinecone.PineconeEmbeddingStore;
import dev.langchain4j.store.embedding.pinecone.PineconeServerlessIndexConfig;
import io.pinecone.clients.Index;
import io.pinecone.clients.Pinecone;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * 向量存储配置
 */
@Configuration
public class EmbeddingStoreConfig {

    @Value("${pinecone.api-key:pcsk_4SJLnh_tNB3wSLJU8tc4E5P28PcXX8eCLdURqZpVhg1FMV8CRYxjneWdzqRdB5Ftqooi9}")
    private String pineconeApiKey;

    @Value("${pinecone.index:xiaozhi-index}")
    private String indexName;

    @Value("${pinecone.namespace:knowledge-base}")
    private String namespace;

    @Value("${pinecone.enabled:false}")
    private boolean pineconeEnabled;

    @Bean
    public Pinecone pinecone() {
        return new Pinecone.Builder(pineconeApiKey).build();
    }

    @Bean
    public Index pineconeIndex(Pinecone pinecone) {
        return pinecone.getIndexConnection(indexName);
    }

    @Bean
    public EmbeddingStore<TextSegment> embeddingStore(EmbeddingModel embeddingModel) {
        // 项目管理等核心业务不应因外部向量库不可用而无法启动。
        // 生产环境明确配置 pinecone.enabled=true 时仍使用原 Pinecone 存储。
        if (!pineconeEnabled) {
            return new InMemoryEmbeddingStore<>();
        }
        return PineconeEmbeddingStore.builder()
                .apiKey(pineconeApiKey)
                .index(indexName)
                .nameSpace(namespace)
                .createIndex(PineconeServerlessIndexConfig.builder()
                        .cloud("AWS")
                        .region("us-east-1")
                        .dimension(embeddingModel.dimension())
                        .build())
                .build();
    }
}