"""
Test to verify Jina rerank configuration changes.
This shows what would happen when the server is restarted with Jina rerank enabled.
"""

import os
import sys

# Add LightRAG to path
sys.path.insert(0, 'LightRAG-main')

# Test the rerank module directly
try:
    from lightrag.rerank import jina_rerank
    print("✓ Jina rerank module imported successfully")
    
    # Check what environment variables are needed
    print("\nEnvironment variables needed for Jina rerank:")
    print("1. JINA_API_KEY or RERANK_BINDING_API_KEY")
    print("2. Optional: RERANK_MODEL (default: 'jina-reranker-v2-base-multilingual')")
    print("3. Optional: RERANK_BINDING_HOST (default: 'https://api.jina.ai/v1/rerank')")
    
    # Show current environment
    print("\nCurrent environment variables:")
    jina_key = os.getenv('JINA_API_KEY') or os.getenv('RERANK_BINDING_API_KEY')
    if jina_key:
        if jina_key == 'your-jina-api-key-here':
            print("✗ JINA_API_KEY: Set to placeholder value (needs real API key)")
        else:
            print(f"✓ JINA_API_KEY: Set (length: {len(jina_key)} chars)")
    else:
        print("✗ JINA_API_KEY: Not set")
        
    print(f"RERANK_MODEL: {os.getenv('RERANK_MODEL', 'Not set (will use default)')}")
    print(f"RERANK_BINDING_HOST: {os.getenv('RERANK_BINDING_HOST', 'Not set (will use default)')}")
    
    # Show server configuration changes
    print("\n" + "="*50)
    print("SERVER CONFIGURATION CHANGES MADE:")
    print("1. Changed --rerank-binding from 'null' to 'jina'")
    print("2. Added JINA_API_KEY and RERANK_BINDING_API_KEY environment variables")
    print("3. Note: Need to restart server for changes to take effect")
    
    # What happens when querying with enable_rerank=True
    print("\n" + "="*50)
    print("EXPECTED BEHAVIOR AFTER SERVER RESTART:")
    print("1. Server config will show: rerank_binding='jina'")
    print("2. Query with enable_rerank=True will call Jina AI API")
    print("3. Without valid API key: Will get 401/403 error from Jina API")
    print("4. With valid API key: Documents will be reranked by relevance")
    
except ImportError as e:
    print(f"✗ Error importing: {e}")
except Exception as e:
    print(f"✗ Error: {e}")

# Check start_server.py changes
print("\n" + "="*50)
print("MODIFIED start_server.py HIGHLIGHTS:")
with open('LightRAG-main/start_server.py', 'r') as f:
    lines = f.readlines()
    for i, line in enumerate(lines):
        if 'rerank-binding' in line:
            print(f"Line {i+1}: {line.strip()}")
        if 'JINA_API_KEY' in line:
            print(f"Line {i+1}: {line.strip()}")