#!/usr/bin/env python3
"""
测试 app/rag/retriever.py 里的混合检索函数
"""

import asyncio
import os
import sys

project_root = os.path.join(os.path.dirname(__file__), "..", "..")
sys.path.insert(0, os.path.join(project_root, "backend"))

from app.rag.retriever import create_hybrid_retriever, create_parent_hybrid_retriever


def test_hybrid_retriever():
    """测试混合检索器"""
    print("="*70)
    print("测试 HybridRetriever...")
    print("="*70)
    
    retriever = create_hybrid_retriever(collection_name="rag_documents", search_k=3)
    results = retriever.invoke("黄双银")
    
    print(f"\n找到 {len(results)} 个结果\n")
    for i, doc in enumerate(results):
        print(f"--- 结果 {i+1} ---")
        print(doc.page_content[:200])
        print()


def test_parent_hybrid_retriever():
    """测试父子混合检索器"""
    print("\n" + "="*70)
    print("测试 ParentHybridRetriever...")
    print("="*70)
    
    retriever = create_parent_hybrid_retriever(
        collection_name="rag_documents", 
        search_k=3,
        use_docstore=False
    )
    results = retriever.invoke("黄双银")
    
    print(f"\n找到 {len(results)} 个结果\n")
    for i, doc in enumerate(results):
        print(f"--- 结果 {i+1} ---")
        print(doc.page_content[:300])
        print()


if __name__ == "__main__":
    test_hybrid_retriever()
    test_parent_hybrid_retriever()