import dotenv from "dotenv";

dotenv.config();

/**
 * 统一读取并导出运行时环境变量，供配置层与服务层复用。
 */
export const env = {
  NODE_ENV: process.env.NODE_ENV ?? "production",                       // 运行环境，默认生产
  PORT: Number(process.env.PORT ?? 3000),                                 // 监听端口，默认 3000
  APPLICATION_URL: process.env.APPLICATION_URL ?? `http://localhost:${Number(process.env.PORT ?? 3000)}`,
  WEBUI_URL: process.env.WEBUI_URL ?? "http://localhost:8080",
  NEO4J_URI: process.env.NEO4J_URI,                                     // Neo4j 连接 URI
  NEO4J_USER: process.env.NEO4J_USER,                                   // Neo4j 用户名
  NEO4J_PASSWORD: process.env.NEO4J_PASSWORD,                           // Neo4j 密码
  QDRANT_URL: process.env.QDRANT_URL,                                   // Qdrant 连接 URL
  QDRANT_API_KEY: process.env.QDRANT_API_KEY,                           // Qdrant API 密钥
  QDRANT_COLLECTION: process.env.QDRANT_COLLECTION ?? "oncelove_chunks", // Qdrant 集合名称，默认 oncelove_chunks
  EMBEDDING_DIM: Number(process.env.EMBEDDING_DIM ?? 1024),             // 嵌入向量维度，默认 1024
  EMBEDDING_BASE_URL: process.env.EMBEDDING_BASE_URL ?? "",
  EMBEDDING_API_KEY: process.env.EMBEDDING_API_KEY ?? "",
  EMBEDDING_MODEL: process.env.EMBEDDING_MODEL ?? "",
  RERANK_BASE_URL: process.env.RERANK_BASE_URL ?? "",
  RERANK_API_KEY: process.env.RERANK_API_KEY ?? "",
  RERANK_MODEL: process.env.RERANK_MODEL ?? "",
  LLM_BASE_URL: process.env.LLM_BASE_URL ?? "",
  LLM_API_KEY: process.env.LLM_API_KEY ?? "",
  LLM_MODEL_NAME: process.env.LLM_MODEL_NAME ?? "",
  LLM_INTENT_MODEL_NAME: process.env.LLM_INTENT_MODEL_NAME ?? "",
  LLM_IMAGE_MODEL_NAME: process.env.LLM_IMAGE_MODEL_NAME ?? "",
  LLM_THINKING_MODE: process.env.LLM_THINKING_MODE ?? "auto",
  ADMIN_PASSWORD: process.env.ADMIN_PASSWORD ?? "oncelove123"
};