from pathlib import Path
from typing import List

from agno.document import Document
from agno.utils.log import logger
from dotenv import load_dotenv

from agentic_rag import initialize_knowledge_base, get_reader

# 加载.env文件
load_dotenv()
import os

def main():
    print("Hello from agno-agentic-rag!")
    # 从.env加载知识库来源目录并初始化知识库
    load_knowledge = os.getenv("LOAD_KNOWLEDGE", "false").lower() == "true"
    knowledge_source_dir = os.getenv("KNOWLEDGE_SOURCE_DIR")
    if load_knowledge and knowledge_source_dir and os.path.exists(knowledge_source_dir):
        # 初始化知识库
        knowledge_base = initialize_knowledge_base()

        logger.info(f"加载知识库: {knowledge_source_dir}")
        for root, _, files in os.walk(knowledge_source_dir):
            for file in files:
                file_path = os.path.join(root, file)
                file_ext = os.path.splitext(file)[1][1:]  # 获取文件扩展名
                reader = get_reader(file_ext)
                if reader:
                    try:
                        filePath = Path(file_path)
                        docs: List[Document] = reader.read(filePath)
                        knowledge_base.load_documents(docs, upsert=True)
                    except Exception as e:
                        logger.warning(f"无法加载文档 {file_path}: {str(e)}")


if __name__ == "__main__":
    main()