#!/usr/bin/env python3
"""
Redis Connection Test
Verifies that Redis is available and working for the cached API key service
"""

import asyncio
import aioredis
import time


async def test_redis_connection():
    """Test Redis connection and basic operations"""
    try:
        print("🔌 Testing Redis connection...")
        
        # Connect to Redis
        redis = aioredis.from_url(
            "redis://localhost:6379",
            encoding="utf-8",
            decode_responses=True,
            socket_connect_timeout=5,
            socket_timeout=5
        )
        
        # Test basic operations
        test_key = "test:connection"
        test_value = f"test_value_{int(time.time())}"
        
        # Set a value
        await redis.set(test_key, test_value, ex=60)
        print("✅ Successfully wrote to Redis")
        
        # Get the value
        retrieved_value = await redis.get(test_key)
        if retrieved_value == test_value:
            print("✅ Successfully read from Redis")
        else:
            print("❌ Redis read/write mismatch")
            return False
        
        # Test expiration
        ttl = await redis.ttl(test_key)
        if 0 < ttl <= 60:
            print(f"✅ TTL working correctly: {ttl} seconds")
        else:
            print(f"⚠️  TTL may not be working: {ttl}")
        
        # Clean up
        await redis.delete(test_key)
        print("✅ Cleanup successful")
        
        # Test Redis info
        info = await redis.info()
        print(f"✅ Redis version: {info.get('redis_version', 'unknown')}")
        print(f"✅ Redis memory usage: {info.get('used_memory_human', 'unknown')}")
        
        await redis.close()
        print("✅ Redis connection test passed!")
        return True
        
    except ConnectionError as e:
        print(f"❌ Redis connection failed: {e}")
        print("💡 Make sure Redis is running: docker compose up -d")
        return False
    except Exception as e:
        print(f"❌ Redis test failed: {e}")
        return False


async def test_api_key_cache_operations():
    """Test the specific cache operations used by the API key service"""
    try:
        print("\n🔑 Testing API key cache operations...")
        
        redis = aioredis.from_url("redis://localhost:6379", encoding="utf-8", decode_responses=True)
        
        # Test API key data caching
        test_prefix = "ce_test123"
        cache_key = f"api_key:data:{test_prefix}"
        test_data = {
            "user_id": 1,
            "api_key_id": 123,
            "permissions": ["read", "write"],
            "cached_at": time.time()
        }
        
        # Cache data
        import json
        await redis.setex(cache_key, 300, json.dumps(test_data))
        print("✅ API key data cached successfully")
        
        # Retrieve data
        cached_data = await redis.get(cache_key)
        if cached_data:
            parsed_data = json.loads(cached_data)
            if parsed_data["user_id"] == 1:
                print("✅ API key data retrieved successfully")
            else:
                print("❌ API key data corrupted")
        
        # Test verification cache
        verification_key = f"api_key:verified:{test_prefix}:abcd1234"
        await redis.setex(verification_key, 3600, "valid")
        
        verification_result = await redis.get(verification_key)
        if verification_result == "valid":
            print("✅ Verification cache working")
        else:
            print("❌ Verification cache failed")
        
        # Test pattern-based deletion
        pattern = f"api_key:verified:{test_prefix}:*"
        keys = await redis.keys(pattern)
        if keys:
            await redis.delete(*keys)
            print("✅ Pattern-based cache invalidation working")
        
        # Cleanup
        await redis.delete(cache_key)
        await redis.close()
        
        print("✅ API key cache operations test passed!")
        return True
        
    except Exception as e:
        print(f"❌ API key cache test failed: {e}")
        return False


async def main():
    """Main test function"""
    print("=" * 60)
    print("Redis Connection and Cache Test")
    print("=" * 60)
    
    # Test basic Redis connection
    basic_test = await test_redis_connection()
    
    if not basic_test:
        print("\n❌ Basic Redis test failed. Cannot proceed with cache tests.")
        return False
    
    # Test API key specific operations
    cache_test = await test_api_key_cache_operations()
    
    if basic_test and cache_test:
        print("\n🎉 All Redis tests passed! The cached API key service should work correctly.")
        return True
    else:
        print("\n❌ Some tests failed. Check your Redis configuration.")
        return False


if __name__ == "__main__":
    success = asyncio.run(main())
    exit(0 if success else 1)