#include <memory>
#include <string>
#include <map>
#include <mutex>

namespace dbal {
namespace adapters {
namespace sqlite {

// Simple connection pool for SQLite
class SQLitePool {
public:
    SQLitePool(const std::string& db_path, int pool_size = 5)
        : db_path_(db_path), pool_size_(pool_size) {}
    
    ~SQLitePool() {
        // Close all connections
    }
    
    void* acquire() {
        std::lock_guard<std::mutex> lock(mutex_);
        // In a real implementation, this would return a SQLite connection
        return nullptr;
    }
    
    void release(void* conn) {
        std::lock_guard<std::mutex> lock(mutex_);
        // In a real implementation, this would return the connection to the pool
    }
    
    size_t size() const {
        return pool_size_;
    }
    
    size_t available() const {
        // In a real implementation, return the number of available connections
        return pool_size_;
    }
    
private:
    std::string db_path_;
    int pool_size_;
    std::mutex mutex_;
};

}
}
}