#!/usr/bin/env python3
"""
Test script to demonstrate the cache system functionality
"""

import time
import logging
from app.services.linkedin_search import LinkedInSearchService
from app.services.cache_service import CacheService

# Configure logging
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
logger = logging.getLogger(__name__)

def test_cache_functionality():
    """Test the cache system functionality"""
    logger.info("🧪 Starting cache system test...")
    
    # Initialize services
    linkedin_service = LinkedInSearchService()
    cache_service = linkedin_service.cache_service
    
    # Test 1: Check initial cache stats
    logger.info("\n📊 Test 1: Initial cache statistics")
    stats = cache_service.get_cache_stats()
    logger.info(f"Cache enabled: {stats['cache_enabled']}")
    logger.info(f"Cache TTL: {stats['cache_ttl']} seconds")
    logger.info(f"Cache max size: {stats['cache_max_size']}")
    logger.info(f"Search cache size: {stats['search_cache_size']}")
    logger.info(f"Profile cache size: {stats['profile_cache_size']}")
    logger.info(f"Query cache size: {stats['query_cache_size']}")
    
    # Test 2: Test search caching
    logger.info("\n🔍 Test 2: Search result caching")
    job_description = "Senior Python Developer with React experience"
    location = "San Francisco, CA"
    
    # First search (should miss cache)
    logger.info("Performing first search (should miss cache)...")
    start_time = time.time()
    results1 = linkedin_service.search_linkedin_profiles(
        job_description=job_description,
        location=location,
        max_results=5
    )
    first_search_time = time.time() - start_time
    logger.info(f"First search completed in {first_search_time:.2f} seconds")
    logger.info(f"Found {len(results1)} candidates")
    
    # Second search (should hit cache)
    logger.info("Performing second search (should hit cache)...")
    start_time = time.time()
    results2 = linkedin_service.search_linkedin_profiles(
        job_description=job_description,
        location=location,
        max_results=5
    )
    second_search_time = time.time() - start_time
    logger.info(f"Second search completed in {second_search_time:.2f} seconds")
    logger.info(f"Found {len(results2)} candidates")
    
    # Compare results
    if len(results1) == len(results2):
        logger.info("✅ Cache test successful - same number of results returned")
    else:
        logger.warning("⚠️ Cache test failed - different number of results")
    
    # Check performance improvement
    if first_search_time > 0:
        improvement = ((first_search_time - second_search_time) / first_search_time) * 100
        logger.info(f"Performance improvement: {improvement:.1f}%")
    
    # Test 3: Test query caching
    logger.info("\n🌐 Test 3: Query result caching")
    test_query = "site:linkedin.com/in/ Python Developer San Francisco"
    
    # First query (should miss cache)
    logger.info("Performing first query (should miss cache)...")
    start_time = time.time()
    query_results1 = linkedin_service._perform_google_search(test_query, 5)
    first_query_time = time.time() - start_time
    logger.info(f"First query completed in {first_query_time:.2f} seconds")
    logger.info(f"Found {len(query_results1)} query results")
    
    # Second query (should hit cache)
    logger.info("Performing second query (should hit cache)...")
    start_time = time.time()
    query_results2 = linkedin_service._perform_google_search(test_query, 5)
    second_query_time = time.time() - start_time
    logger.info(f"Second query completed in {second_query_time:.2f} seconds")
    logger.info(f"Found {len(query_results2)} query results")
    
    # Test 4: Test profile caching
    logger.info("\n👤 Test 4: Profile data caching")
    if results1:
        test_profile_url = results1[0].get('profile_url', '')
        if test_profile_url:
            logger.info(f"Testing profile caching for: {test_profile_url}")
            
            # First profile scrape (should miss cache)
            logger.info("Performing first profile scrape (should miss cache)...")
            start_time = time.time()
            profile_data1 = linkedin_service._scrape_linkedin_profile(test_profile_url)
            first_profile_time = time.time() - start_time
            logger.info(f"First profile scrape completed in {first_profile_time:.2f} seconds")
            
            # Second profile scrape (should hit cache)
            logger.info("Performing second profile scrape (should hit cache)...")
            start_time = time.time()
            profile_data2 = linkedin_service._scrape_linkedin_profile(test_profile_url)
            second_profile_time = time.time() - start_time
            logger.info(f"Second profile scrape completed in {second_profile_time:.2f} seconds")
            
            if profile_data1.get('success') == profile_data2.get('success'):
                logger.info("✅ Profile cache test successful")
            else:
                logger.warning("⚠️ Profile cache test failed")
    
    # Test 5: Updated cache stats
    logger.info("\n📊 Test 5: Updated cache statistics")
    updated_stats = cache_service.get_cache_stats()
    logger.info(f"Search cache size: {updated_stats['search_cache_size']}")
    logger.info(f"Profile cache size: {updated_stats['profile_cache_size']}")
    logger.info(f"Query cache size: {updated_stats['query_cache_size']}")
    
    # Test 6: Cache cleanup
    logger.info("\n🧹 Test 6: Cache cleanup")
    cache_service.cleanup_expired_entries()
    logger.info("Cache cleanup completed")
    
    # Test 7: Cache clearing
    logger.info("\n🗑️ Test 7: Cache clearing")
    cache_service.clear_cache("query")  # Clear only query cache
    logger.info("Query cache cleared")
    
    final_stats = cache_service.get_cache_stats()
    logger.info(f"Query cache size after clearing: {final_stats['query_cache_size']}")
    
    logger.info("\n🎉 Cache system test completed successfully!")

def test_cache_persistence():
    """Test cache persistence to file"""
    logger.info("\n💾 Testing cache persistence...")
    
    # Initialize cache service
    cache_service = CacheService()
    
    # Add some test data
    test_data = {
        "test_search": [{"name": "Test Candidate", "profile_url": "https://linkedin.com/in/test"}],
        "test_profile": {"name": "Test Profile", "success": True}
    }
    
    # Set test data
    cache_service.set_search_results("test job", "test location", 5, test_data["test_search"])
    cache_service.set_profile_data("https://linkedin.com/in/test", test_data["test_profile"])
    
    logger.info("Test data added to cache")
    
    # Force save to persistent storage
    cache_service._save_persistent_cache()
    logger.info("Cache saved to persistent storage")
    
    # Create new cache service instance (simulates restart)
    new_cache_service = CacheService()
    
    # Try to retrieve the data
    retrieved_search = new_cache_service.get_search_results("test job", "test location", 5)
    retrieved_profile = new_cache_service.get_profile_data("https://linkedin.com/in/test")
    
    if retrieved_search and retrieved_profile:
        logger.info("✅ Cache persistence test successful")
    else:
        logger.warning("⚠️ Cache persistence test failed")
    
    # Clean up test data
    new_cache_service.clear_cache("all")

if __name__ == "__main__":
    try:
        test_cache_functionality()
        test_cache_persistence()
    except Exception as e:
        logger.error(f"❌ Test failed: {str(e)}")
        raise